test-asm-validator.cc 78.9 KB
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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "src/v8.h"

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#include "src/ast/ast.h"
#include "src/ast/ast-expression-visitor.h"
#include "src/ast/scopes.h"
#include "src/parsing/parser.h"
#include "src/parsing/rewriter.h"
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#include "src/type-cache.h"
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#include "src/typing-asm.h"
#include "test/cctest/cctest.h"
#include "test/cctest/expression-type-collector.h"
#include "test/cctest/expression-type-collector-macros.h"

// Macros for function types.
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#define FUNC_FOREIGN_TYPE Bounds(Type::Function(Type::Any(), zone))
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#define FUNC_V_TYPE Bounds(Type::Function(Type::Undefined(), zone))
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#define FUNC_I_TYPE Bounds(Type::Function(cache.kAsmSigned, zone))
#define FUNC_F_TYPE Bounds(Type::Function(cache.kAsmFloat, zone))
#define FUNC_D_TYPE Bounds(Type::Function(cache.kAsmDouble, zone))
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#define FUNC_D2D_TYPE \
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  Bounds(Type::Function(cache.kAsmDouble, cache.kAsmDouble, zone))
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#define FUNC_N2F_TYPE \
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  Bounds(Type::Function(cache.kAsmFloat, Type::Number(), zone))
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#define FUNC_I2I_TYPE \
  Bounds(Type::Function(cache.kAsmSigned, cache.kAsmInt, zone))
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#define FUNC_II2D_TYPE \
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  Bounds(Type::Function(cache.kAsmDouble, cache.kAsmInt, cache.kAsmInt, zone))
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#define FUNC_II2I_TYPE \
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  Bounds(Type::Function(cache.kAsmSigned, cache.kAsmInt, cache.kAsmInt, zone))
#define FUNC_DD2D_TYPE                                                        \
  Bounds(Type::Function(cache.kAsmDouble, cache.kAsmDouble, cache.kAsmDouble, \
                        zone))
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#define FUNC_NN2N_TYPE \
  Bounds(Type::Function(Type::Number(), Type::Number(), Type::Number(), zone))
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#define FUNC_N2N_TYPE \
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  Bounds(Type::Function(Type::Number(), Type::Number(), zone))
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// Macros for array types.
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#define FLOAT64_ARRAY_TYPE Bounds(Type::Array(cache.kAsmDouble, zone))
#define FUNC_I2I_ARRAY_TYPE                                                 \
  Bounds(Type::Array(Type::Function(cache.kAsmSigned, cache.kAsmInt, zone), \
                     zone))
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using namespace v8::internal;

namespace {

std::string Validate(Zone* zone, const char* source,
                     ZoneVector<ExpressionTypeEntry>* types) {
  i::Isolate* isolate = CcTest::i_isolate();
  i::Factory* factory = isolate->factory();

  i::Handle<i::String> source_code =
      factory->NewStringFromUtf8(i::CStrVector(source)).ToHandleChecked();

  i::Handle<i::Script> script = factory->NewScript(source_code);

  i::ParseInfo info(zone, script);
  i::Parser parser(&info);
  parser.set_allow_harmony_sloppy(true);
  info.set_global();
  info.set_lazy(false);
  info.set_allow_lazy_parsing(false);
  info.set_toplevel(true);

  CHECK(i::Compiler::ParseAndAnalyze(&info));

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  FunctionLiteral* root =
      info.scope()->declarations()->at(0)->AsFunctionDeclaration()->fun();
  AsmTyper typer(isolate, zone, *script, root);
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  if (typer.Validate()) {
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    ExpressionTypeCollector(isolate, root, types).Run();
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    return "";
  } else {
    return typer.error_message();
  }
}
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}  // namespace
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TEST(ValidateMinimum) {
  const char test_function[] =
      "function GeometricMean(stdlib, foreign, buffer) {\n"
      "  \"use asm\";\n"
      "\n"
      "  var exp = stdlib.Math.exp;\n"
      "  var log = stdlib.Math.log;\n"
      "  var values = new stdlib.Float64Array(buffer);\n"
      "\n"
      "  function logSum(start, end) {\n"
      "    start = start|0;\n"
      "    end = end|0;\n"
      "\n"
      "    var sum = 0.0, p = 0, q = 0;\n"
      "\n"
      "    // asm.js forces byte addressing of the heap by requiring shifting "
      "by 3\n"
      "    for (p = start << 3, q = end << 3; (p|0) < (q|0); p = (p + 8)|0) {\n"
      "      sum = sum + +log(values[p>>3]);\n"
      "    }\n"
      "\n"
      "    return +sum;\n"
      "  }\n"
      "\n"
      " function geometricMean(start, end) {\n"
      "    start = start|0;\n"
      "    end = end|0;\n"
      "\n"
      "    return +exp(+logSum(start, end) / +((end - start)|0));\n"
      "  }\n"
      "\n"
      "  return { geometricMean: geometricMean };\n"
      "}\n";

  v8::V8::Initialize();
  HandleAndZoneScope handles;
  Zone* zone = handles.main_zone();
  ZoneVector<ExpressionTypeEntry> types(zone);
  CHECK_EQ("", Validate(zone, test_function, &types));
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  TypeCache cache;
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  CHECK_TYPES_BEGIN {
    // Module.
    CHECK_EXPR(FunctionLiteral, Bounds::Unbounded()) {
      // function logSum
      CHECK_EXPR(FunctionLiteral, FUNC_II2D_TYPE) {
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        CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
          CHECK_VAR(start, Bounds(cache.kAsmInt));
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
            CHECK_VAR(start, Bounds(cache.kAsmInt));
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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          }
        }
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        CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
          CHECK_VAR(end, Bounds(cache.kAsmInt));
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
            CHECK_VAR(end, Bounds(cache.kAsmInt));
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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          }
        }
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        CHECK_EXPR(Assignment, Bounds(cache.kAsmDouble)) {
          CHECK_VAR(sum, Bounds(cache.kAsmDouble));
          CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
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        }
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        CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
          CHECK_VAR(p, Bounds(cache.kAsmInt));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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        }
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        CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
          CHECK_VAR(q, Bounds(cache.kAsmInt));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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        }
        // for (p = start << 3, q = end << 3;
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        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmInt)) {
          CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
            CHECK_VAR(p, Bounds(cache.kAsmInt));
            CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
              CHECK_VAR(start, Bounds(cache.kAsmInt));
              CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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            }
          }
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          CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
            CHECK_VAR(q, Bounds(cache.kAsmInt));
            CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
              CHECK_VAR(end, Bounds(cache.kAsmInt));
              CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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            }
          }
        }
        // (p|0) < (q|0);
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        CHECK_EXPR(CompareOperation, Bounds(cache.kAsmSigned)) {
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
            CHECK_VAR(p, Bounds(cache.kAsmInt));
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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          }
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          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
            CHECK_VAR(q, Bounds(cache.kAsmInt));
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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          }
        }
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        // p = (p + 8)|0) {
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        CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
          CHECK_VAR(p, Bounds(cache.kAsmInt));
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
            CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmInt)) {
              CHECK_VAR(p, Bounds(cache.kAsmInt));
              CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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            }
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            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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          }
        }
        // sum = sum + +log(values[p>>3]);
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        CHECK_EXPR(Assignment, Bounds(cache.kAsmDouble)) {
          CHECK_VAR(sum, Bounds(cache.kAsmDouble));
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmDouble)) {
            CHECK_VAR(sum, Bounds(cache.kAsmDouble));
            CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmDouble)) {
              CHECK_EXPR(Call, Bounds(cache.kAsmDouble)) {
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                CHECK_VAR(log, FUNC_D2D_TYPE);
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                CHECK_EXPR(Property, Bounds(cache.kAsmDouble)) {
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                  CHECK_VAR(values, FLOAT64_ARRAY_TYPE);
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                  CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
                    CHECK_VAR(p, Bounds(cache.kAsmSigned));
                    CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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                  }
                }
              }
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              CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
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            }
          }
        }
        // return +sum;
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        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmDouble)) {
          CHECK_VAR(sum, Bounds(cache.kAsmDouble));
          CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
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        }
      }
      // function geometricMean
      CHECK_EXPR(FunctionLiteral, FUNC_II2D_TYPE) {
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        CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
          CHECK_VAR(start, Bounds(cache.kAsmInt));
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
            CHECK_VAR(start, Bounds(cache.kAsmInt));
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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          }
        }
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        CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
          CHECK_VAR(end, Bounds(cache.kAsmInt));
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
            CHECK_VAR(end, Bounds(cache.kAsmInt));
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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          }
        }
        // return +exp(+logSum(start, end) / +((end - start)|0));
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        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmDouble)) {
          CHECK_EXPR(Call, Bounds(cache.kAsmDouble)) {
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            CHECK_VAR(exp, FUNC_D2D_TYPE);
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            CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmDouble)) {
              CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmDouble)) {
                CHECK_EXPR(Call, Bounds(cache.kAsmDouble)) {
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                  CHECK_VAR(logSum, FUNC_II2D_TYPE);
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                  CHECK_VAR(start, Bounds(cache.kAsmInt));
                  CHECK_VAR(end, Bounds(cache.kAsmInt));
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                }
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                CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
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              }
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              CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmDouble)) {
                CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
                  CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmInt)) {
                    CHECK_VAR(end, Bounds(cache.kAsmInt));
                    CHECK_VAR(start, Bounds(cache.kAsmInt));
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                  }
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                  CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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                }
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                CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
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              }
            }
          }
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          CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
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        }
      }
      // "use asm";
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      CHECK_EXPR(Literal, Bounds(Type::String()));
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      // var exp = stdlib.Math.exp;
      CHECK_EXPR(Assignment, FUNC_D2D_TYPE) {
        CHECK_VAR(exp, FUNC_D2D_TYPE);
        CHECK_EXPR(Property, FUNC_D2D_TYPE) {
          CHECK_EXPR(Property, Bounds::Unbounded()) {
            CHECK_VAR(stdlib, Bounds::Unbounded());
            CHECK_EXPR(Literal, Bounds::Unbounded());
          }
          CHECK_EXPR(Literal, Bounds::Unbounded());
        }
      }
      // var log = stdlib.Math.log;
      CHECK_EXPR(Assignment, FUNC_D2D_TYPE) {
        CHECK_VAR(log, FUNC_D2D_TYPE);
        CHECK_EXPR(Property, FUNC_D2D_TYPE) {
          CHECK_EXPR(Property, Bounds::Unbounded()) {
            CHECK_VAR(stdlib, Bounds::Unbounded());
            CHECK_EXPR(Literal, Bounds::Unbounded());
          }
          CHECK_EXPR(Literal, Bounds::Unbounded());
        }
      }
      // var values = new stdlib.Float64Array(buffer);
      CHECK_EXPR(Assignment, FLOAT64_ARRAY_TYPE) {
        CHECK_VAR(values, FLOAT64_ARRAY_TYPE);
        CHECK_EXPR(CallNew, FLOAT64_ARRAY_TYPE) {
          CHECK_EXPR(Property, Bounds::Unbounded()) {
            CHECK_VAR(stdlib, Bounds::Unbounded());
            CHECK_EXPR(Literal, Bounds::Unbounded());
          }
          CHECK_VAR(buffer, Bounds::Unbounded());
        }
      }
      // return { geometricMean: geometricMean };
      CHECK_EXPR(ObjectLiteral, Bounds::Unbounded()) {
        CHECK_VAR(geometricMean, FUNC_II2D_TYPE);
      }
    }
  }
  CHECK_TYPES_END
}


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TEST(MissingUseAsm) {
  const char test_function[] =
      "function foo() {\n"
      "  function bar() {}\n"
      "  return { bar: bar };\n"
      "}\n";
  v8::V8::Initialize();
  HandleAndZoneScope handles;
  Zone* zone = handles.main_zone();
  ZoneVector<ExpressionTypeEntry> types(zone);
  CHECK_EQ("asm: line 1: missing \"use asm\"\n",
           Validate(zone, test_function, &types));
}


TEST(WrongUseAsm) {
  const char test_function[] =
      "function foo() {\n"
      "  \"use wasm\"\n"
      "  function bar() {}\n"
      "  return { bar: bar };\n"
      "}\n";
  v8::V8::Initialize();
  HandleAndZoneScope handles;
  Zone* zone = handles.main_zone();
  ZoneVector<ExpressionTypeEntry> types(zone);
  CHECK_EQ("asm: line 1: missing \"use asm\"\n",
           Validate(zone, test_function, &types));
}


TEST(MissingReturnExports) {
  const char test_function[] =
      "function foo() {\n"
      "  \"use asm\"\n"
      "  function bar() {}\n"
      "}\n";
  v8::V8::Initialize();
  HandleAndZoneScope handles;
  Zone* zone = handles.main_zone();
  ZoneVector<ExpressionTypeEntry> types(zone);
  CHECK_EQ("asm: line 2: last statement in module is not a return\n",
           Validate(zone, test_function, &types));
}

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#define HARNESS_STDLIB()                \
  "var Infinity = stdlib.Infinity; "    \
  "var NaN = stdlib.NaN; "              \
  "var acos = stdlib.Math.acos; "       \
  "var asin = stdlib.Math.asin; "       \
  "var atan = stdlib.Math.atan; "       \
  "var cos = stdlib.Math.cos; "         \
  "var sin = stdlib.Math.sin; "         \
  "var tan = stdlib.Math.tan; "         \
  "var exp = stdlib.Math.exp; "         \
  "var log = stdlib.Math.log; "         \
  "var ceil = stdlib.Math.ceil; "       \
  "var floor = stdlib.Math.floor; "     \
  "var sqrt = stdlib.Math.sqrt; "       \
  "var min = stdlib.Math.min; "         \
  "var max = stdlib.Math.max; "         \
  "var atan2 = stdlib.Math.atan2; "     \
  "var pow = stdlib.Math.pow; "         \
  "var abs = stdlib.Math.abs; "         \
  "var imul = stdlib.Math.imul; "       \
  "var fround = stdlib.Math.fround; "   \
  "var E = stdlib.Math.E; "             \
  "var LN10 = stdlib.Math.LN10; "       \
  "var LN2 = stdlib.Math.LN2; "         \
  "var LOG2E = stdlib.Math.LOG2E; "     \
  "var LOG10E = stdlib.Math.LOG10E; "   \
  "var PI = stdlib.Math.PI; "           \
  "var SQRT1_2 = stdlib.Math.SQRT1_2; " \
  "var SQRT2 = stdlib.Math.SQRT2; "

#define HARNESS_HEAP()                          \
  "var u8 = new stdlib.Uint8Array(buffer); "    \
  "var i8 = new stdlib.Int8Array(buffer); "     \
  "var u16 = new stdlib.Uint16Array(buffer); "  \
  "var i16 = new stdlib.Int16Array(buffer); "   \
  "var u32 = new stdlib.Uint32Array(buffer); "  \
  "var i32 = new stdlib.Int32Array(buffer); "   \
  "var f32 = new stdlib.Float32Array(buffer); " \
  "var f64 = new stdlib.Float64Array(buffer); "

#define HARNESS_PREAMBLE()                          \
  const char test_function[] =                      \
      "function Module(stdlib, foreign, buffer) { " \
      "\"use asm\"; " HARNESS_STDLIB() HARNESS_HEAP()
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#define HARNESS_POSTAMBLE() \
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  "return { foo: foo }; "   \
  "} ";
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#define CHECK_VAR_MATH_SHORTCUT(name, type)       \
  CHECK_EXPR(Assignment, type) {                  \
    CHECK_VAR(name, type);                        \
    CHECK_EXPR(Property, type) {                  \
      CHECK_EXPR(Property, Bounds::Unbounded()) { \
        CHECK_VAR(stdlib, Bounds::Unbounded());   \
        CHECK_EXPR(Literal, Bounds::Unbounded()); \
      }                                           \
      CHECK_EXPR(Literal, Bounds::Unbounded());   \
    }                                             \
  }


#define CHECK_VAR_SHORTCUT(name, type)          \
  CHECK_EXPR(Assignment, type) {                \
    CHECK_VAR(name, type);                      \
    CHECK_EXPR(Property, type) {                \
      CHECK_VAR(stdlib, Bounds::Unbounded());   \
      CHECK_EXPR(Literal, Bounds::Unbounded()); \
    }                                           \
  }


#define CHECK_VAR_NEW_SHORTCUT(name, type)        \
  CHECK_EXPR(Assignment, type) {                  \
    CHECK_VAR(name, type);                        \
    CHECK_EXPR(CallNew, type) {                   \
      CHECK_EXPR(Property, Bounds::Unbounded()) { \
        CHECK_VAR(stdlib, Bounds::Unbounded());   \
        CHECK_EXPR(Literal, Bounds::Unbounded()); \
      }                                           \
      CHECK_VAR(buffer, Bounds::Unbounded());     \
    }                                             \
  }


namespace {

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void CheckStdlibShortcuts1(Zone* zone, ZoneVector<ExpressionTypeEntry>& types,
                           size_t& index, int& depth, TypeCache& cache) {
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  // var exp = stdlib.*;
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  CHECK_VAR_SHORTCUT(Infinity, Bounds(cache.kAsmDouble));
  CHECK_VAR_SHORTCUT(NaN, Bounds(cache.kAsmDouble));
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  // var x = stdlib.Math.x;
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  CHECK_VAR_MATH_SHORTCUT(acos, FUNC_D2D_TYPE);
  CHECK_VAR_MATH_SHORTCUT(asin, FUNC_D2D_TYPE);
  CHECK_VAR_MATH_SHORTCUT(atan, FUNC_D2D_TYPE);
  CHECK_VAR_MATH_SHORTCUT(cos, FUNC_D2D_TYPE);
  CHECK_VAR_MATH_SHORTCUT(sin, FUNC_D2D_TYPE);
  CHECK_VAR_MATH_SHORTCUT(tan, FUNC_D2D_TYPE);
  CHECK_VAR_MATH_SHORTCUT(exp, FUNC_D2D_TYPE);
  CHECK_VAR_MATH_SHORTCUT(log, FUNC_D2D_TYPE);
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  CHECK_VAR_MATH_SHORTCUT(ceil, FUNC_N2N_TYPE);
  CHECK_VAR_MATH_SHORTCUT(floor, FUNC_N2N_TYPE);
  CHECK_VAR_MATH_SHORTCUT(sqrt, FUNC_N2N_TYPE);

  CHECK_VAR_MATH_SHORTCUT(min, FUNC_NN2N_TYPE);
  CHECK_VAR_MATH_SHORTCUT(max, FUNC_NN2N_TYPE);

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  CHECK_VAR_MATH_SHORTCUT(atan2, FUNC_DD2D_TYPE);
  CHECK_VAR_MATH_SHORTCUT(pow, FUNC_DD2D_TYPE);
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  CHECK_VAR_MATH_SHORTCUT(abs, FUNC_N2N_TYPE);
  CHECK_VAR_MATH_SHORTCUT(imul, FUNC_II2I_TYPE);
  CHECK_VAR_MATH_SHORTCUT(fround, FUNC_N2F_TYPE);
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}


void CheckStdlibShortcuts2(Zone* zone, ZoneVector<ExpressionTypeEntry>& types,
                           size_t& index, int& depth, TypeCache& cache) {
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  // var exp = stdlib.Math.*; (D * 12)
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  CHECK_VAR_MATH_SHORTCUT(E, Bounds(cache.kAsmDouble));
  CHECK_VAR_MATH_SHORTCUT(LN10, Bounds(cache.kAsmDouble));
  CHECK_VAR_MATH_SHORTCUT(LN2, Bounds(cache.kAsmDouble));
  CHECK_VAR_MATH_SHORTCUT(LOG2E, Bounds(cache.kAsmDouble));
  CHECK_VAR_MATH_SHORTCUT(LOG10E, Bounds(cache.kAsmDouble));
  CHECK_VAR_MATH_SHORTCUT(PI, Bounds(cache.kAsmDouble));
  CHECK_VAR_MATH_SHORTCUT(SQRT1_2, Bounds(cache.kAsmDouble));
  CHECK_VAR_MATH_SHORTCUT(SQRT2, Bounds(cache.kAsmDouble));
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  // var values = new stdlib.*Array(buffer);
  CHECK_VAR_NEW_SHORTCUT(u8, Bounds(cache.kUint8Array));
  CHECK_VAR_NEW_SHORTCUT(i8, Bounds(cache.kInt8Array));
  CHECK_VAR_NEW_SHORTCUT(u16, Bounds(cache.kUint16Array));
  CHECK_VAR_NEW_SHORTCUT(i16, Bounds(cache.kInt16Array));
  CHECK_VAR_NEW_SHORTCUT(u32, Bounds(cache.kUint32Array));
  CHECK_VAR_NEW_SHORTCUT(i32, Bounds(cache.kInt32Array));
  CHECK_VAR_NEW_SHORTCUT(f32, Bounds(cache.kFloat32Array));
  CHECK_VAR_NEW_SHORTCUT(f64, Bounds(cache.kFloat64Array));
}
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}  // namespace
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#define CHECK_FUNC_TYPES_BEGIN(func)                   \
  HARNESS_PREAMBLE()                                   \
  func "\n" HARNESS_POSTAMBLE();                       \
                                                       \
  v8::V8::Initialize();                                \
  HandleAndZoneScope handles;                          \
  Zone* zone = handles.main_zone();                    \
  ZoneVector<ExpressionTypeEntry> types(zone);         \
  CHECK_EQ("", Validate(zone, test_function, &types)); \
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  TypeCache cache;                                     \
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                                                       \
  CHECK_TYPES_BEGIN {                                  \
    /* Module. */                                      \
    CHECK_EXPR(FunctionLiteral, Bounds::Unbounded()) {
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#define CHECK_FUNC_TYPES_END_1()                           \
  /* "use asm"; */                                         \
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  CHECK_EXPR(Literal, Bounds(Type::String()));             \
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  /* stdlib shortcuts. */                                  \
  CheckStdlibShortcuts1(zone, types, index, depth, cache); \
  CheckStdlibShortcuts2(zone, types, index, depth, cache);
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#define CHECK_FUNC_TYPES_END_2()                   \
  /* return { foo: foo }; */                       \
  CHECK_EXPR(ObjectLiteral, Bounds::Unbounded()) { \
    CHECK_VAR(foo, FUNC_V_TYPE);                   \
  }                                                \
  }                                                \
  }                                                \
  CHECK_TYPES_END


#define CHECK_FUNC_TYPES_END \
  CHECK_FUNC_TYPES_END_1();  \
  CHECK_FUNC_TYPES_END_2();


#define CHECK_FUNC_ERROR(func, message)        \
  HARNESS_PREAMBLE()                           \
  func "\n" HARNESS_POSTAMBLE();               \
                                               \
  v8::V8::Initialize();                        \
  HandleAndZoneScope handles;                  \
  Zone* zone = handles.main_zone();            \
  ZoneVector<ExpressionTypeEntry> types(zone); \
  CHECK_EQ(message, Validate(zone, test_function, &types));


TEST(BareHarness) {
  CHECK_FUNC_TYPES_BEGIN("function foo() {}") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {}
  }
  CHECK_FUNC_TYPES_END
}


TEST(ReturnVoid) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { return; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
      // return undefined;
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      CHECK_EXPR(Literal, Bounds(Type::Undefined()));
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    }
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
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      CHECK_EXPR(Call, Bounds(Type::Undefined())) {
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        CHECK_VAR(bar, FUNC_V_TYPE);
      }
    }
  }
  CHECK_FUNC_TYPES_END
}


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TEST(EmptyBody) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE);
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
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      CHECK_EXPR(Call, Bounds(Type::Undefined())) {
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        CHECK_VAR(bar, FUNC_V_TYPE);
      }
    }
  }
  CHECK_FUNC_TYPES_END
}


TEST(DoesNothing) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1.0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmDouble)) {
        CHECK_VAR(x, Bounds(cache.kAsmDouble));
        CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
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      }
    }
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
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      CHECK_EXPR(Call, Bounds(Type::Undefined())) {
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        CHECK_VAR(bar, FUNC_V_TYPE);
      }
    }
  }
  CHECK_FUNC_TYPES_END
}


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TEST(ReturnInt32Literal) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { return 1; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {
      // return 1;
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      CHECK_EXPR(Literal, Bounds(cache.kAsmSigned));
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    }
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
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      CHECK_EXPR(Call, Bounds(cache.kAsmSigned)) {
        CHECK_VAR(bar, FUNC_I_TYPE);
      }
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    }
  }
  CHECK_FUNC_TYPES_END
}


TEST(ReturnFloat64Literal) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { return 1.0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_D_TYPE) {
      // return 1.0;
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      CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
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    }
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
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      CHECK_EXPR(Call, Bounds(cache.kAsmDouble)) {
        CHECK_VAR(bar, FUNC_D_TYPE);
      }
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    }
  }
  CHECK_FUNC_TYPES_END
}


TEST(ReturnFloat32Literal) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { return fround(1.0); }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_F_TYPE) {
      // return fround(1.0);
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      CHECK_EXPR(Call, Bounds(cache.kAsmFloat)) {
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        CHECK_VAR(fround, FUNC_N2F_TYPE);
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        CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
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      }
    }
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
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      CHECK_EXPR(Call, Bounds(cache.kAsmFloat)) { CHECK_VAR(bar, FUNC_F_TYPE); }
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    }
  }
  CHECK_FUNC_TYPES_END
}


TEST(ReturnFloat64Var) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1.0; return +x; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_D_TYPE) {
      // return 1.0;
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmDouble)) {
        CHECK_VAR(x, Bounds(cache.kAsmDouble));
        CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
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      }
      // return 1.0;
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      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmDouble)) {
        CHECK_VAR(x, Bounds(cache.kAsmDouble));
        CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
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      }
    }
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
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      CHECK_EXPR(Call, Bounds(cache.kAsmDouble)) {
        CHECK_VAR(bar, FUNC_D_TYPE);
      }
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    }
  }
  CHECK_FUNC_TYPES_END
}


TEST(Addition2) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1; var y = 2; return (x+y)|0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(y, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
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      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmInt)) {
          CHECK_VAR(x, Bounds(cache.kAsmInt));
          CHECK_VAR(y, Bounds(cache.kAsmInt));
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        }
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        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


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#define TEST_COMPARE_OP(name, op)                                  \
  TEST(name) {                                                     \
    CHECK_FUNC_TYPES_BEGIN("function bar() { return (0 " op        \
                           " 0)|0; }\n"                            \
                           "function foo() { bar(); }") {          \
      CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {                   \
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {    \
          CHECK_EXPR(CompareOperation, Bounds(cache.kAsmSigned)) { \
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));         \
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));         \
          }                                                        \
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));           \
        }                                                          \
      }                                                            \
      CHECK_SKIP();                                                \
    }                                                              \
    CHECK_FUNC_TYPES_END                                           \
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  }


TEST_COMPARE_OP(EqOperator, "==")
TEST_COMPARE_OP(LtOperator, "<")
TEST_COMPARE_OP(LteOperator, "<=")
TEST_COMPARE_OP(GtOperator, ">")
TEST_COMPARE_OP(GteOperator, ">=")


TEST(NeqOperator) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { return (0 != 0)|0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {
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      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
        CHECK_EXPR(UnaryOperation, Bounds(cache.kAsmSigned)) {
          CHECK_EXPR(CompareOperation, Bounds(cache.kAsmSigned)) {
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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          }
        }
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        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


TEST(NotOperator) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 0; return (!x)|0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
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      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
        CHECK_EXPR(UnaryOperation, Bounds(cache.kAsmSigned)) {
          CHECK_VAR(x, Bounds(cache.kAsmInt));
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        }
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        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


TEST(InvertOperator) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 0; return (~x)|0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
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      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
          CHECK_VAR(x, Bounds(cache.kAsmInt));
          CHECK_EXPR(Literal, Bounds(cache.kAsmSigned));
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        }
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        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


TEST(InvertConversion) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 0.0; return (~~x)|0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmDouble)) {
        CHECK_VAR(x, Bounds(cache.kAsmDouble));
        CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
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      }
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      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
            CHECK_VAR(x, Bounds(cache.kAsmDouble));
            CHECK_EXPR(Literal, Bounds(cache.kAsmSigned));
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          }
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          CHECK_EXPR(Literal, Bounds(cache.kAsmSigned));
        }
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


TEST(Ternary) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1; var y = 1; return (x?y:5)|0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(y, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
        CHECK_EXPR(Conditional, Bounds(cache.kAsmInt)) {
          CHECK_VAR(x, Bounds(cache.kAsmInt));
          CHECK_VAR(y, Bounds(cache.kAsmInt));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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        }
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        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


#define TEST_INT_BIN_OP(name, op)                                      \
  TEST(name) {                                                         \
    CHECK_FUNC_TYPES_BEGIN("function bar() { var x = 0; return (x " op \
                           " 123)|0; }\n"                              \
                           "function foo() { bar(); }") {              \
      CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {                       \
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        CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {                \
          CHECK_VAR(x, Bounds(cache.kAsmInt));                         \
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));               \
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        }                                                              \
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        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {        \
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {      \
            CHECK_VAR(x, Bounds(cache.kAsmInt));                       \
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));             \
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          }                                                            \
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          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));               \
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        }                                                              \
      }                                                                \
      CHECK_SKIP();                                                    \
    }                                                                  \
    CHECK_FUNC_TYPES_END                                               \
  }


TEST_INT_BIN_OP(AndOperator, "&")
TEST_INT_BIN_OP(OrOperator, "|")
TEST_INT_BIN_OP(XorOperator, "^")


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TEST(SignedCompare) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1; var y = 1; return ((x|0) < (y|0))|0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(y, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
        CHECK_EXPR(CompareOperation, Bounds(cache.kAsmSigned)) {
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
            CHECK_VAR(x, Bounds(cache.kAsmInt));
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
          }
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
            CHECK_VAR(y, Bounds(cache.kAsmInt));
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
          }
        }
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


TEST(SignedCompareConst) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1; var y = 1; return ((x|0) < (1<<31))|0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(y, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
        CHECK_EXPR(CompareOperation, Bounds(cache.kAsmSigned)) {
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
            CHECK_VAR(x, Bounds(cache.kAsmInt));
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
          }
          CHECK_EXPR(Literal, Bounds(cache.kAsmSigned));
        }
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


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TEST(UnsignedCompare) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1; var y = 1; return ((x>>>0) < (y>>>0))|0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(y, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
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      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
        CHECK_EXPR(CompareOperation, Bounds(cache.kAsmSigned)) {
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmUnsigned)) {
            CHECK_VAR(x, Bounds(cache.kAsmInt));
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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          }
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          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmUnsigned)) {
            CHECK_VAR(y, Bounds(cache.kAsmInt));
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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          }
        }
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        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


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TEST(UnsignedCompareConst0) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1; var y = 1; return ((x>>>0) < (0>>>0))|0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(y, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
        CHECK_EXPR(CompareOperation, Bounds(cache.kAsmSigned)) {
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmUnsigned)) {
            CHECK_VAR(x, Bounds(cache.kAsmInt));
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
          }
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
        }
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


TEST(UnsignedCompareConst1) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1; var y = 1; return ((x>>>0) < "
      "(0xffffffff>>>0))|0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(y, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
        CHECK_EXPR(CompareOperation, Bounds(cache.kAsmSigned)) {
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmUnsigned)) {
            CHECK_VAR(x, Bounds(cache.kAsmInt));
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
          }
          CHECK_EXPR(Literal, Bounds(cache.kAsmUnsigned));
        }
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


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TEST(UnsignedDivide) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1; var y = 1; return ((x>>>0) / (y>>>0))|0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(y, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
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      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
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        CHECK_EXPR(BinaryOperation, Bounds(Type::None(), Type::Any())) {
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          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmUnsigned)) {
            CHECK_VAR(x, Bounds(cache.kAsmInt));
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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          }
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          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmUnsigned)) {
            CHECK_VAR(y, Bounds(cache.kAsmInt));
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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          }
        }
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        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


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TEST(UnsignedFromFloat64) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1.0; return (x>>>0)|0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: left bitwise operand expected to be an integer\n");
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}


TEST(AndFloat64) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1.0; return (x&0)|0; }\n"
      "function foo() { bar(); }",
1094
      "asm: line 1: left bitwise operand expected to be an integer\n");
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}


TEST(TypeMismatchAddInt32Float64) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1.0; var y = 0; return (x + y)|0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: ill-typed arithmetic operation\n");
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}


TEST(TypeMismatchSubInt32Float64) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1.0; var y = 0; return (x - y)|0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: ill-typed arithmetic operation\n");
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}


TEST(TypeMismatchDivInt32Float64) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1.0; var y = 0; return (x / y)|0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: ill-typed arithmetic operation\n");
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}


TEST(TypeMismatchModInt32Float64) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1.0; var y = 0; return (x % y)|0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: ill-typed arithmetic operation\n");
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}


TEST(ModFloat32) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = fround(1.0); return (x % x)|0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: ill-typed arithmetic operation\n");
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}


TEST(TernaryMismatchInt32Float64) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1; var y = 0.0; return (1 ? x : y)|0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: then and else expressions in ? must have the same type\n");
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}


TEST(TernaryMismatchIntish) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1; var y = 0; return (1 ? x + x : y)|0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: invalid type in ? then expression\n");
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}


TEST(TernaryMismatchInt32Float32) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1; var y = 2; return (x?fround(y):x)|0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: then and else expressions in ? must have the same type\n");
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}


TEST(TernaryBadCondition) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1; var y = 2.0; return (y?x:1)|0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: condition must be of type int\n");
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}

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TEST(BadIntishMultiply) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1; return ((x + x) * 4) | 0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: intish not allowed in multiply\n");
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}
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TEST(FroundFloat32) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1; return fround(x); }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_F_TYPE) {
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
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      CHECK_EXPR(Call, Bounds(cache.kAsmFloat)) {
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        CHECK_VAR(fround, FUNC_N2F_TYPE);
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        CHECK_VAR(x, Bounds(cache.kAsmInt));
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      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


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TEST(Addition4) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1; var y = 2; return (x+y+x+y)|0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(y, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
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      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmInt)) {
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmInt)) {
            CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmInt)) {
              CHECK_VAR(x, Bounds(cache.kAsmInt));
              CHECK_VAR(y, Bounds(cache.kAsmInt));
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            }
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            CHECK_VAR(x, Bounds(cache.kAsmInt));
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          }
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          CHECK_VAR(y, Bounds(cache.kAsmInt));
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        }
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        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


TEST(Multiplication2) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1; var y = 2; return (x*y)|0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: multiply must be by an integer literal\n");
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}


TEST(Division4) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1; var y = 2; return (x/y/x/y)|0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: too many consecutive multiplicative ops\n");
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}


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TEST(CompareToStringLeft) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1; return ('hi' > x)|0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: bad type on left side of comparison\n");
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}


TEST(CompareToStringRight) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1; return (x < 'hi')|0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: bad type on right side of comparison\n");
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}


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TEST(CompareMismatchInt32Float64) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1; var y = 2.0; return (x < y)|0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: left and right side of comparison must match\n");
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}


TEST(CompareMismatchInt32Uint32) {
  CHECK_FUNC_ERROR(
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      "function bar() { var x = 1; var y = 2; return ((x|0) < (y>>>0))|0; }\n"
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      "function foo() { bar(); }",
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      "asm: line 1: left and right side of comparison must match\n");
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}


TEST(CompareMismatchInt32Float32) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 1; var y = 2; return (x < fround(y))|0; }\n"
      "function foo() { bar(); }",
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      "asm: line 1: left and right side of comparison must match\n");
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}


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TEST(Float64ToInt32) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1; var y = 0.0; x = ~~y; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmDouble)) {
        CHECK_VAR(y, Bounds(cache.kAsmDouble));
        CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
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      }
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
            CHECK_VAR(y, Bounds(cache.kAsmDouble));
            CHECK_EXPR(Literal, Bounds(cache.kAsmSigned));
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          }
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          CHECK_EXPR(Literal, Bounds(cache.kAsmSigned));
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        }
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


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TEST(Load1) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1; var y = i8[x>>0]|0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(y, Bounds(cache.kAsmInt));
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
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          CHECK_EXPR(Property, Bounds(cache.kAsmInt)) {
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            CHECK_VAR(i8, Bounds(cache.kInt8Array));
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            CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
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              CHECK_VAR(x, Bounds(cache.kAsmInt));
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              CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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            }
          }
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          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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        }
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


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TEST(LoadDouble) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1; var y = 0.0; y = +f64[x>>3]; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmDouble)) {
        CHECK_VAR(y, Bounds(cache.kAsmDouble));
        CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmDouble)) {
        CHECK_VAR(y, Bounds(cache.kAsmDouble));
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmDouble)) {
          CHECK_EXPR(Property, Bounds(cache.kAsmDouble)) {
            CHECK_VAR(f64, Bounds(cache.kFloat64Array));
            CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
              CHECK_VAR(x, Bounds(cache.kAsmSigned));
              CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
            }
          }
          CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
        }
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


TEST(Store1) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1; i8[x>>0] = 0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_EXPR(Property, Bounds::Unbounded()) {
          CHECK_VAR(i8, Bounds(cache.kInt8Array));
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
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            CHECK_VAR(x, Bounds(cache.kAsmInt));
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            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
          }
        }
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


TEST(StoreFloat) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = fround(1.0); "
      "f32[0] = fround(x + fround(1.0)); }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmFloat)) {
        CHECK_VAR(x, Bounds(cache.kAsmFloat));
        CHECK_EXPR(Call, Bounds(cache.kAsmFloat)) {
          CHECK_VAR(fround, FUNC_N2F_TYPE);
          CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
        }
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmFloat)) {
        CHECK_EXPR(Property, Bounds::Unbounded()) {
          CHECK_VAR(f32, Bounds(cache.kFloat32Array));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
        }
        CHECK_EXPR(Call, Bounds(cache.kAsmFloat)) {
          CHECK_VAR(fround, FUNC_N2F_TYPE);
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmFloat)) {
            CHECK_VAR(x, Bounds(cache.kAsmFloat));
            CHECK_EXPR(Call, Bounds(cache.kAsmFloat)) {
              CHECK_VAR(fround, FUNC_N2F_TYPE);
              CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
            }
          }
        }
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}

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TEST(StoreIntish) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1; var y = 1; i32[0] = x + y; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(y, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_EXPR(Property, Bounds::Unbounded()) {
          CHECK_VAR(i32, Bounds(cache.kInt32Array));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
        }
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmInt)) {
          CHECK_VAR(x, Bounds(cache.kAsmInt));
          CHECK_VAR(y, Bounds(cache.kAsmInt));
        }
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}

TEST(StoreFloatish) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { "
      "var x = fround(1.0); "
      "var y = fround(1.0); f32[0] = x + y; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmFloat)) {
        CHECK_VAR(x, Bounds(cache.kAsmFloat));
        CHECK_EXPR(Call, Bounds(cache.kAsmFloat)) {
          CHECK_VAR(fround, FUNC_N2F_TYPE);
          CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
        }
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmFloat)) {
        CHECK_VAR(y, Bounds(cache.kAsmFloat));
        CHECK_EXPR(Call, Bounds(cache.kAsmFloat)) {
          CHECK_VAR(fround, FUNC_N2F_TYPE);
          CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
        }
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmFloat)) {
        CHECK_EXPR(Property, Bounds::Unbounded()) {
          CHECK_VAR(f32, Bounds(cache.kFloat32Array));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
        }
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmFloat)) {
          CHECK_VAR(x, Bounds(cache.kAsmFloat));
          CHECK_VAR(y, Bounds(cache.kAsmFloat));
        }
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}
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TEST(Load1Constant) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 1; var y = i8[5]|0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(y, Bounds(cache.kAsmInt));
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
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          CHECK_EXPR(Property, Bounds(cache.kAsmInt)) {
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            CHECK_VAR(i8, Bounds(cache.kInt8Array));
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            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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          }
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          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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        }
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


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TEST(FunctionTables) {
  CHECK_FUNC_TYPES_BEGIN(
      "function func1(x) { x = x | 0; return (x * 5) | 0; }\n"
      "function func2(x) { x = x | 0; return (x * 25) | 0; }\n"
      "var table1 = [func1, func2];\n"
      "function bar(x, y) { x = x | 0; y = y | 0;\n"
      "   return table1[x & 1](y)|0; }\n"
      "function foo() { bar(1, 2); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I2I_TYPE) {
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
          CHECK_VAR(x, Bounds(cache.kAsmInt));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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        }
      }
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      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmInt)) {
          CHECK_VAR(x, Bounds(cache.kAsmInt));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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        }
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        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
    }
    CHECK_EXPR(FunctionLiteral, FUNC_I2I_TYPE) {
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
          CHECK_VAR(x, Bounds(cache.kAsmInt));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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        }
      }
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      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmInt)) {
          CHECK_VAR(x, Bounds(cache.kAsmInt));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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        }
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        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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      }
    }
    CHECK_EXPR(FunctionLiteral, FUNC_II2I_TYPE) {
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      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
          CHECK_VAR(x, Bounds(cache.kAsmInt));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
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        }
      }
1578 1579 1580 1581 1582
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(y, Bounds(cache.kAsmInt));
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
          CHECK_VAR(y, Bounds(cache.kAsmInt));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
1583 1584
        }
      }
1585 1586
      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
        CHECK_EXPR(Call, Bounds(cache.kAsmSigned)) {
1587 1588
          CHECK_EXPR(Property, FUNC_I2I_TYPE) {
            CHECK_VAR(table1, FUNC_I2I_ARRAY_TYPE);
1589
            CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
1590 1591 1592
              // TODO(bradnelson): revert this
              // CHECK_VAR(x, Bounds(cache.kAsmSigned));
              CHECK_VAR(x, Bounds(cache.kAsmInt));
1593
              CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
1594 1595
            }
          }
1596
          CHECK_VAR(y, Bounds(cache.kAsmInt));
1597
        }
1598
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END_1();
  CHECK_EXPR(Assignment, FUNC_I2I_ARRAY_TYPE) {
    CHECK_VAR(table1, FUNC_I2I_ARRAY_TYPE);
    CHECK_EXPR(ArrayLiteral, FUNC_I2I_ARRAY_TYPE) {
      CHECK_VAR(func1, FUNC_I2I_TYPE);
      CHECK_VAR(func2, FUNC_I2I_TYPE);
    }
  }
  CHECK_FUNC_TYPES_END_2();
}


TEST(BadFunctionTable) {
  CHECK_FUNC_ERROR(
      "function func1(x) { x = x | 0; return (x * 5) | 0; }\n"
      "var table1 = [func1, 1];\n"
      "function bar(x, y) { x = x | 0; y = y | 0;\n"
      "   return table1[x & 1](y)|0; }\n"
      "function foo() { bar(1, 2); }",
1622
      "asm: line 2: array component expected to be a function\n");
1623 1624 1625 1626 1627 1628 1629
}


TEST(MissingParameterTypes) {
  CHECK_FUNC_ERROR(
      "function bar(x) { var y = 1; }\n"
      "function foo() { bar(2); }",
1630
      "asm: line 1: missing parameter type annotations\n");
1631 1632 1633 1634 1635 1636 1637
}


TEST(InvalidTypeAnnotationBinaryOpDiv) {
  CHECK_FUNC_ERROR(
      "function bar(x) { x = x / 4; }\n"
      "function foo() { bar(2); }",
1638
      "asm: line 1: invalid type annotation on binary op\n");
1639 1640 1641 1642 1643 1644 1645
}


TEST(InvalidTypeAnnotationBinaryOpMul) {
  CHECK_FUNC_ERROR(
      "function bar(x) { x = x * 4.0; }\n"
      "function foo() { bar(2); }",
1646
      "asm: line 1: invalid type annotation on binary op\n");
1647 1648 1649 1650 1651 1652 1653
}


TEST(InvalidArgumentCount) {
  CHECK_FUNC_ERROR(
      "function bar(x) { return fround(4, 5); }\n"
      "function foo() { bar(); }",
1654
      "asm: line 1: invalid argument count calling function\n");
1655 1656 1657 1658 1659 1660 1661
}


TEST(InvalidTypeAnnotationArity) {
  CHECK_FUNC_ERROR(
      "function bar(x) { x = max(x); }\n"
      "function foo() { bar(3); }",
1662
      "asm: line 1: only fround allowed on expression annotations\n");
1663 1664 1665 1666 1667 1668 1669
}


TEST(InvalidTypeAnnotationOnlyFround) {
  CHECK_FUNC_ERROR(
      "function bar(x) { x = sin(x); }\n"
      "function foo() { bar(3); }",
1670
      "asm: line 1: only fround allowed on expression annotations\n");
1671 1672 1673 1674 1675 1676 1677
}


TEST(InvalidTypeAnnotation) {
  CHECK_FUNC_ERROR(
      "function bar(x) { x = (x+x)(x); }\n"
      "function foo() { bar(3); }",
1678
      "asm: line 1: invalid type annotation\n");
1679 1680 1681 1682 1683 1684 1685
}


TEST(WithStatement) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 0; with (x) { x = x + 1; } }\n"
      "function foo() { bar(); }",
1686
      "asm: line 1: bad with statement\n");
1687 1688 1689 1690 1691 1692 1693
}


TEST(NestedFunction) {
  CHECK_FUNC_ERROR(
      "function bar() { function x() { return 1; } }\n"
      "function foo() { bar(); }",
1694
      "asm: line 1: function declared inside another\n");
1695 1696 1697 1698 1699 1700 1701
}


TEST(UnboundVariable) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = y; }\n"
      "function foo() { bar(); }",
1702
      "asm: line 1: unbound variable\n");
1703 1704 1705
}


1706 1707 1708 1709
TEST(EqStrict) {
  CHECK_FUNC_ERROR(
      "function bar() { return (0 === 0)|0; }\n"
      "function foo() { bar(); }",
1710
      "asm: line 1: illegal comparison operator\n");
1711 1712 1713 1714 1715 1716 1717
}


TEST(NeStrict) {
  CHECK_FUNC_ERROR(
      "function bar() { return (0 !== 0)|0; }\n"
      "function foo() { bar(); }",
1718
      "asm: line 1: illegal comparison operator\n");
1719 1720 1721 1722
}


TEST(InstanceOf) {
1723 1724
  const char* errorMsg = FLAG_harmony_instanceof
                             ? "asm: line 0: do-expression encountered\n"
1725
                             : "asm: line 1: illegal comparison operator\n";
1726

1727 1728 1729
  CHECK_FUNC_ERROR(
      "function bar() { return (0 instanceof 0)|0; }\n"
      "function foo() { bar(); }",
1730
      errorMsg);
1731 1732 1733 1734 1735 1736 1737
}


TEST(InOperator) {
  CHECK_FUNC_ERROR(
      "function bar() { return (0 in 0)|0; }\n"
      "function foo() { bar(); }",
1738
      "asm: line 1: illegal comparison operator\n");
1739 1740 1741 1742 1743 1744 1745
}


TEST(LogicalAndOperator) {
  CHECK_FUNC_ERROR(
      "function bar() { return (0 && 0)|0; }\n"
      "function foo() { bar(); }",
1746
      "asm: line 1: illegal logical operator\n");
1747 1748 1749 1750 1751 1752 1753
}


TEST(LogicalOrOperator) {
  CHECK_FUNC_ERROR(
      "function bar() { return (0 || 0)|0; }\n"
      "function foo() { bar(); }",
1754
      "asm: line 1: illegal logical operator\n");
1755 1756 1757 1758 1759 1760 1761
}


TEST(BadLiteral) {
  CHECK_FUNC_ERROR(
      "function bar() { return true | 0; }\n"
      "function foo() { bar(); }",
1762
      "asm: line 1: illegal literal\n");
1763 1764 1765
}


1766 1767 1768 1769
TEST(MismatchedReturnTypeLiteral) {
  CHECK_FUNC_ERROR(
      "function bar() { if(1) { return 1; } return 1.0; }\n"
      "function foo() { bar(); }",
1770
      "asm: line 1: return type does not match function signature\n");
1771 1772 1773 1774 1775 1776 1777 1778
}


TEST(MismatchedReturnTypeExpression) {
  CHECK_FUNC_ERROR(
      "function bar() {\n"
      "  var x = 1; var y = 1.0; if(1) { return x; } return +y; }\n"
      "function foo() { bar(); }",
1779
      "asm: line 2: return type does not match function signature\n");
1780 1781 1782
}


1783 1784
TEST(AssignToFloatishToF64) {
  CHECK_FUNC_ERROR(
1785
      "function bar() { var v = fround(1.0); f64[0] = v + fround(1.0); }\n"
1786
      "function foo() { bar(); }",
1787
      "asm: line 1: floatish assignment to double array\n");
1788 1789 1790
}


1791 1792 1793 1794 1795 1796
TEST(ForeignFunction) {
  CHECK_FUNC_TYPES_BEGIN(
      "var baz = foreign.baz;\n"
      "function bar() { return baz(1, 2)|0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {
1797
      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
1798
        CHECK_EXPR(Call, Bounds(cache.kAsmSigned)) {
1799
          CHECK_VAR(baz, FUNC_FOREIGN_TYPE);
1800 1801
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
1802
        }
1803
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
1804 1805 1806
      }
    }
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
1807 1808 1809
      CHECK_EXPR(Call, Bounds(cache.kAsmSigned)) {
        CHECK_VAR(bar, FUNC_I_TYPE);
      }
1810 1811 1812
    }
  }
  CHECK_FUNC_TYPES_END_1()
1813 1814 1815
  CHECK_EXPR(Assignment, Bounds(FUNC_FOREIGN_TYPE)) {
    CHECK_VAR(baz, Bounds(FUNC_FOREIGN_TYPE));
    CHECK_EXPR(Property, Bounds(FUNC_FOREIGN_TYPE)) {
1816 1817 1818 1819 1820 1821 1822
      CHECK_VAR(foreign, Bounds::Unbounded());
      CHECK_EXPR(Literal, Bounds::Unbounded());
    }
  }
  CHECK_FUNC_TYPES_END_2()
}

1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844
TEST(ByteArray) {
  // Forbidden by asm.js spec, present in embenchen.
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 0; i8[x] = 2; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_EXPR(Property, Bounds::Unbounded()) {
          CHECK_VAR(i8, Bounds(cache.kInt8Array));
          CHECK_VAR(x, Bounds(cache.kAsmSigned));
        }
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}
1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855

TEST(BadExports) {
  HARNESS_PREAMBLE()
  "function foo() {};\n"
  "return {foo: foo, bar: 1};"
  "}\n";

  v8::V8::Initialize();
  HandleAndZoneScope handles;
  Zone* zone = handles.main_zone();
  ZoneVector<ExpressionTypeEntry> types(zone);
1856
  CHECK_EQ("asm: line 2: non-function in function table\n",
1857 1858
           Validate(zone, test_function, &types));
}
1859 1860


1861 1862
TEST(NestedHeapAssignment) {
  CHECK_FUNC_ERROR(
1863 1864
      "function bar() { var x = 0; i16[x = 1] = 2; }\n"
      "function foo() { bar(); }",
1865
      "asm: line 1: expected >> in heap access\n");
1866 1867 1868 1869 1870
}

TEST(BadOperatorHeapAssignment) {
  CHECK_FUNC_ERROR(
      "function bar() { var x = 0; i16[x & 1] = 2; }\n"
1871
      "function foo() { bar(); }",
1872
      "asm: line 1: expected >> in heap access\n");
1873 1874 1875 1876 1877 1878 1879
}


TEST(BadArrayAssignment) {
  CHECK_FUNC_ERROR(
      "function bar() { i8[0] = 0.0; }\n"
      "function foo() { bar(); }",
1880
      "asm: line 1: illegal type in assignment\n");
1881 1882 1883
}


1884 1885 1886 1887 1888
TEST(BadStandardFunctionCallOutside) {
  CHECK_FUNC_ERROR(
      "var s0 = sin(0);\n"
      "function bar() { }\n"
      "function foo() { bar(); }",
1889
      "asm: line 1: illegal variable reference in module body\n");
1890 1891 1892 1893 1894 1895 1896 1897
}


TEST(BadFunctionCallOutside) {
  CHECK_FUNC_ERROR(
      "function bar() { return 0.0; }\n"
      "var s0 = bar(0);\n"
      "function foo() { bar(); }",
1898
      "asm: line 2: illegal variable reference in module body\n");
1899 1900 1901
}


1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937
TEST(NestedVariableAssignment) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 0; x = x = 4; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
          CHECK_VAR(x, Bounds(cache.kAsmInt));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
        }
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


TEST(NestedAssignmentInHeap) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 0; i8[(x = 1) >> 0] = 2; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_EXPR(Property, Bounds::Unbounded()) {
          CHECK_VAR(i8, Bounds(cache.kInt8Array));
          CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
1938
            CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953
              CHECK_VAR(x, Bounds(cache.kAsmInt));
              CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
            }
            CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
          }
        }
        CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985
TEST(NegativeDouble) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = -123.2; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmDouble)) {
        CHECK_VAR(x, Bounds(cache.kAsmDouble));
        CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


TEST(NegativeInteger) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = -123; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(Literal, Bounds(cache.kAsmSigned));
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033
TEST(AbsFunction) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = -123.0; x = abs(x); }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmDouble)) {
        CHECK_VAR(x, Bounds(cache.kAsmDouble));
        CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmDouble)) {
        CHECK_VAR(x, Bounds(cache.kAsmDouble));
        CHECK_EXPR(Call, Bounds(cache.kAsmDouble)) {
          CHECK_VAR(abs, FUNC_N2N_TYPE);
          CHECK_VAR(x, Bounds(cache.kAsmDouble));
        }
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}


TEST(CeilFloat) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = fround(3.1); x = ceil(x); }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmFloat)) {
        CHECK_VAR(x, Bounds(cache.kAsmFloat));
        CHECK_EXPR(Call, Bounds(cache.kAsmFloat)) {
          CHECK_VAR(fround, FUNC_N2F_TYPE);
          CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
        }
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmFloat)) {
        CHECK_VAR(x, Bounds(cache.kAsmFloat));
        CHECK_EXPR(Call, Bounds(cache.kAsmFloat)) {
          CHECK_VAR(ceil, FUNC_N2N_TYPE);
          CHECK_VAR(x, Bounds(cache.kAsmFloat));
        }
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}

2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057
TEST(FloatReturnAsDouble) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = fround(3.1); return +fround(x); }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_D_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmFloat)) {
        CHECK_VAR(x, Bounds(cache.kAsmFloat));
        CHECK_EXPR(Call, Bounds(cache.kAsmFloat)) {
          CHECK_VAR(fround, FUNC_N2F_TYPE);
          CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
        }
      }
      CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmDouble)) {
        CHECK_EXPR(Call, Bounds(cache.kAsmFloat)) {
          CHECK_VAR(fround, FUNC_N2F_TYPE);
          CHECK_VAR(x, Bounds(cache.kAsmFloat));
        }
        CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}
2058

2059 2060 2061
TEST(TypeConsistency) {
  v8::V8::Initialize();
  TypeCache cache;
2062 2063 2064 2065 2066 2067 2068 2069 2070
  // Check the consistency of each of the main Asm.js types.
  CHECK(cache.kAsmFixnum->Is(cache.kAsmFixnum));
  CHECK(cache.kAsmFixnum->Is(cache.kAsmSigned));
  CHECK(cache.kAsmFixnum->Is(cache.kAsmUnsigned));
  CHECK(cache.kAsmFixnum->Is(cache.kAsmInt));
  CHECK(!cache.kAsmFixnum->Is(cache.kAsmFloat));
  CHECK(!cache.kAsmFixnum->Is(cache.kAsmDouble));

  CHECK(cache.kAsmSigned->Is(cache.kAsmSigned));
2071
  CHECK(cache.kAsmSigned->Is(cache.kAsmInt));
2072 2073 2074
  CHECK(!cache.kAsmSigned->Is(cache.kAsmFixnum));
  CHECK(!cache.kAsmSigned->Is(cache.kAsmUnsigned));
  CHECK(!cache.kAsmSigned->Is(cache.kAsmFloat));
2075
  CHECK(!cache.kAsmSigned->Is(cache.kAsmDouble));
2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103

  CHECK(cache.kAsmUnsigned->Is(cache.kAsmUnsigned));
  CHECK(cache.kAsmUnsigned->Is(cache.kAsmInt));
  CHECK(!cache.kAsmUnsigned->Is(cache.kAsmSigned));
  CHECK(!cache.kAsmUnsigned->Is(cache.kAsmFixnum));
  CHECK(!cache.kAsmUnsigned->Is(cache.kAsmFloat));
  CHECK(!cache.kAsmUnsigned->Is(cache.kAsmDouble));

  CHECK(cache.kAsmInt->Is(cache.kAsmInt));
  CHECK(!cache.kAsmInt->Is(cache.kAsmUnsigned));
  CHECK(!cache.kAsmInt->Is(cache.kAsmSigned));
  CHECK(!cache.kAsmInt->Is(cache.kAsmFixnum));
  CHECK(!cache.kAsmInt->Is(cache.kAsmFloat));
  CHECK(!cache.kAsmInt->Is(cache.kAsmDouble));

  CHECK(cache.kAsmFloat->Is(cache.kAsmFloat));
  CHECK(!cache.kAsmFloat->Is(cache.kAsmInt));
  CHECK(!cache.kAsmFloat->Is(cache.kAsmUnsigned));
  CHECK(!cache.kAsmFloat->Is(cache.kAsmSigned));
  CHECK(!cache.kAsmFloat->Is(cache.kAsmFixnum));
  CHECK(!cache.kAsmFloat->Is(cache.kAsmDouble));

  CHECK(cache.kAsmDouble->Is(cache.kAsmDouble));
  CHECK(!cache.kAsmDouble->Is(cache.kAsmInt));
  CHECK(!cache.kAsmDouble->Is(cache.kAsmUnsigned));
  CHECK(!cache.kAsmDouble->Is(cache.kAsmSigned));
  CHECK(!cache.kAsmDouble->Is(cache.kAsmFixnum));
  CHECK(!cache.kAsmDouble->Is(cache.kAsmFloat));
2104
}
2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133


TEST(SwitchTest) {
  CHECK_FUNC_TYPES_BEGIN(
      "function switcher(x) {\n"
      "  x = x|0;\n"
      "  switch (x|0) {\n"
      "    case 1: return 23;\n"
      "    case 2: return 43;\n"
      "    default: return 66;\n"
      "  }\n"
      "  return 0;\n"
      "}\n"
      "function foo() { switcher(1); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_I2I_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(x, Bounds(cache.kAsmInt));
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
          CHECK_VAR(x, Bounds(cache.kAsmInt));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
        }
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(.switch_tag, Bounds(cache.kAsmInt));
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
          CHECK_VAR(x, Bounds(cache.kAsmInt));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
        }
      }
2134
      CHECK_EXPR(Literal, Bounds(Type::Undefined()));
2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150
      CHECK_VAR(.switch_tag, Bounds(cache.kAsmSigned));
      // case 1: return 23;
      CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      CHECK_EXPR(Literal, Bounds(cache.kAsmSigned));
      // case 2: return 43;
      CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
      CHECK_EXPR(Literal, Bounds(cache.kAsmSigned));
      // default: return 66;
      CHECK_EXPR(Literal, Bounds(cache.kAsmSigned));
      // return 0;
      CHECK_EXPR(Literal, Bounds(cache.kAsmSigned));
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}
2151 2152 2153 2154 2155 2156


TEST(BadSwitchRange) {
  CHECK_FUNC_ERROR(
      "function bar() { switch (1) { case -1: case 0x7fffffff: } }\n"
      "function foo() { bar(); }",
2157
      "asm: line 1: case range too large\n");
2158 2159 2160 2161 2162 2163 2164
}


TEST(DuplicateSwitchCase) {
  CHECK_FUNC_ERROR(
      "function bar() { switch (1) { case 0: case 0: } }\n"
      "function foo() { bar(); }",
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      "asm: line 1: duplicate case value\n");
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}


TEST(BadSwitchOrder) {
  CHECK_FUNC_ERROR(
      "function bar() { switch (1) { default: case 0: } }\n"
      "function foo() { bar(); }",
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      "asm: line 1: default case out of order\n");
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}
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TEST(BadForeignCall) {
  const char test_function[] =
      "function TestModule(stdlib, foreign, buffer) {\n"
      "  \"use asm\";\n"
      "  var ffunc = foreign.foo;\n"
      "  function test1() { var x = 0; ffunc(x); }\n"
      "  return { testFunc1: test1 };\n"
      "}\n";
  v8::V8::Initialize();
  HandleAndZoneScope handles;
  Zone* zone = handles.main_zone();
  ZoneVector<ExpressionTypeEntry> types(zone);
  CHECK_EQ(
      "asm: line 4: foreign call argument expected to be int, double, or "
      "fixnum\n",
      Validate(zone, test_function, &types));
}

TEST(BadImports) {
  const char test_function[] =
      "function TestModule(stdlib, foreign, buffer) {\n"
      "  \"use asm\";\n"
      "  var fint = (foreign.bar | 0) | 0;\n"
      "  function test1() {}\n"
      "  return { testFunc1: test1 };\n"
      "}\n";
  v8::V8::Initialize();
  HandleAndZoneScope handles;
  Zone* zone = handles.main_zone();
  ZoneVector<ExpressionTypeEntry> types(zone);
  CHECK_EQ("asm: line 3: illegal computation inside module body\n",
           Validate(zone, test_function, &types));
}

TEST(BadVariableReference) {
  const char test_function[] =
      "function TestModule(stdlib, foreign, buffer) {\n"
      "  \"use asm\";\n"
      "  var x = 0;\n"
      "  var y = x;\n"
      "  function test1() {}\n"
      "  return { testFunc1: test1 };\n"
      "}\n";
  v8::V8::Initialize();
  HandleAndZoneScope handles;
  Zone* zone = handles.main_zone();
  ZoneVector<ExpressionTypeEntry> types(zone);
  CHECK_EQ("asm: line 4: illegal variable reference in module body\n",
           Validate(zone, test_function, &types));
}

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TEST(BadForeignVariableReferenceValueOr) {
  const char test_function[] =
      "function TestModule(stdlib, foreign, buffer) {\n"
      "  \"use asm\";\n"
      "  var fint = foreign.bar | 1;\n"
      "}\n";
  v8::V8::Initialize();
  HandleAndZoneScope handles;
  Zone* zone = handles.main_zone();
  ZoneVector<ExpressionTypeEntry> types(zone);
  CHECK_EQ("asm: line 3: illegal integer annotation value\n",
           Validate(zone, test_function, &types));
}

TEST(BadForeignVariableReferenceValueOrDot) {
  const char test_function[] =
      "function TestModule(stdlib, foreign, buffer) {\n"
      "  \"use asm\";\n"
      "  var fint = foreign.bar | 1.0;\n"
      "}\n";
  v8::V8::Initialize();
  HandleAndZoneScope handles;
  Zone* zone = handles.main_zone();
  ZoneVector<ExpressionTypeEntry> types(zone);
  CHECK_EQ("asm: line 3: illegal integer annotation value\n",
           Validate(zone, test_function, &types));
}

TEST(BadForeignVariableReferenceValueMul) {
  const char test_function[] =
      "function TestModule(stdlib, foreign, buffer) {\n"
      "  \"use asm\";\n"
      "  var fint = foreign.bar * 2.0;\n"
      "}\n";
  v8::V8::Initialize();
  HandleAndZoneScope handles;
  Zone* zone = handles.main_zone();
  ZoneVector<ExpressionTypeEntry> types(zone);
  CHECK_EQ("asm: line 3: illegal double annotation value\n",
           Validate(zone, test_function, &types));
}

TEST(BadForeignVariableReferenceValueMulNoDot) {
  const char test_function[] =
      "function TestModule(stdlib, foreign, buffer) {\n"
      "  \"use asm\";\n"
      "  var fint = foreign.bar * 1;\n"
      "}\n";
  v8::V8::Initialize();
  HandleAndZoneScope handles;
  Zone* zone = handles.main_zone();
  ZoneVector<ExpressionTypeEntry> types(zone);
  CHECK_EQ("asm: line 3: ill-typed arithmetic operation\n",
           Validate(zone, test_function, &types));
}

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TEST(Imports) {
  const char test_function[] =
      "function TestModule(stdlib, foreign, buffer) {\n"
      "  \"use asm\";\n"
      "  var ffunc = foreign.foo;\n"
      "  var fint = foreign.bar | 0;\n"
      "  var fdouble = +foreign.baz;\n"
      "  function test1() { return ffunc(fint|0, fdouble) | 0; }\n"
      "  function test2() { return +ffunc(fdouble, fint|0); }\n"
      "  return { testFunc1: test1, testFunc2: test2 };\n"
      "}\n";

  v8::V8::Initialize();
  HandleAndZoneScope handles;
  Zone* zone = handles.main_zone();
  ZoneVector<ExpressionTypeEntry> types(zone);
  CHECK_EQ("", Validate(zone, test_function, &types));
  TypeCache cache;

  CHECK_TYPES_BEGIN {
    // Module.
    CHECK_EXPR(FunctionLiteral, Bounds::Unbounded()) {
      // function test1
      CHECK_EXPR(FunctionLiteral, FUNC_I_TYPE) {
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
          CHECK_EXPR(Call, Bounds(cache.kAsmSigned)) {
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            CHECK_VAR(ffunc, FUNC_FOREIGN_TYPE);
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            CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
              CHECK_VAR(fint, Bounds(cache.kAsmInt));
              CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
            }
            CHECK_VAR(fdouble, Bounds(cache.kAsmDouble));
          }
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
        }
      }
      // function test2
      CHECK_EXPR(FunctionLiteral, FUNC_D_TYPE) {
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmDouble)) {
          CHECK_EXPR(Call, Bounds(cache.kAsmDouble)) {
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            CHECK_VAR(ffunc, FUNC_FOREIGN_TYPE);
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            CHECK_VAR(fdouble, Bounds(cache.kAsmDouble));
            CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
              CHECK_VAR(fint, Bounds(cache.kAsmInt));
              CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
            }
          }
          CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
        }
      }
      // "use asm";
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      CHECK_EXPR(Literal, Bounds(Type::String()));
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      // var func = foreign.foo;
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      CHECK_EXPR(Assignment, Bounds(FUNC_FOREIGN_TYPE)) {
        CHECK_VAR(ffunc, Bounds(FUNC_FOREIGN_TYPE));
        CHECK_EXPR(Property, Bounds(FUNC_FOREIGN_TYPE)) {
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          CHECK_VAR(foreign, Bounds::Unbounded());
          CHECK_EXPR(Literal, Bounds::Unbounded());
        }
      }
      // var fint = foreign.bar | 0;
      CHECK_EXPR(Assignment, Bounds(cache.kAsmInt)) {
        CHECK_VAR(fint, Bounds(cache.kAsmInt));
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmSigned)) {
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          CHECK_EXPR(Property, Bounds(Type::Number())) {
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            CHECK_VAR(foreign, Bounds::Unbounded());
            CHECK_EXPR(Literal, Bounds::Unbounded());
          }
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
        }
      }
      // var fdouble = +foreign.baz;
      CHECK_EXPR(Assignment, Bounds(cache.kAsmDouble)) {
        CHECK_VAR(fdouble, Bounds(cache.kAsmDouble));
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmDouble)) {
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          CHECK_EXPR(Property, Bounds(Type::Number())) {
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            CHECK_VAR(foreign, Bounds::Unbounded());
            CHECK_EXPR(Literal, Bounds::Unbounded());
          }
          CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
        }
      }
      // return { testFunc1: test1, testFunc2: test2 };
      CHECK_EXPR(ObjectLiteral, Bounds::Unbounded()) {
        CHECK_VAR(test1, FUNC_I_TYPE);
        CHECK_VAR(test2, FUNC_D_TYPE);
      }
    }
  }
  CHECK_TYPES_END
}
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TEST(StoreFloatFromDouble) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { f32[0] = 0.0; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmDouble)) {
        CHECK_EXPR(Property, Bounds::Unbounded()) {
          CHECK_VAR(f32, Bounds(cache.kFloat32Array));
          CHECK_EXPR(Literal, Bounds(cache.kAsmFixnum));
        }
        CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}
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TEST(NegateDouble) {
  CHECK_FUNC_TYPES_BEGIN(
      "function bar() { var x = 0.0; x = -x; }\n"
      "function foo() { bar(); }") {
    CHECK_EXPR(FunctionLiteral, FUNC_V_TYPE) {
      CHECK_EXPR(Assignment, Bounds(cache.kAsmDouble)) {
        CHECK_VAR(x, Bounds(cache.kAsmDouble));
        CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
      }
      CHECK_EXPR(Assignment, Bounds(cache.kAsmDouble)) {
        CHECK_VAR(x, Bounds(cache.kAsmDouble));
        CHECK_EXPR(BinaryOperation, Bounds(cache.kAsmDouble)) {
          CHECK_VAR(x, Bounds(cache.kAsmDouble));
          CHECK_EXPR(Literal, Bounds(cache.kAsmDouble));
        }
      }
    }
    CHECK_SKIP();
  }
  CHECK_FUNC_TYPES_END
}