[asm.js] Remove deprecated --fast-validate-asm flag.

R=clemensh@chromium.org
BUG=v8:6127

Change-Id: I104bf807d3da6a9f269e4f729b254bc6a0d2f0df
Reviewed-on: https://chromium-review.googlesource.com/496206Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45098}

src/asmjs/asm-js.cc

@@ -165,7 +165,7 @@ MaybeHandle<FixedArray> AsmJs::CompileAsmViaWasm(CompilationInfo* info) {
   asm_wasm_timer.Start();
   wasm::AsmWasmBuilder builder(info);
   size_t asm_wasm_zone_start = info->zone()->allocation_size();
-  if (FLAG_fast_validate_asm) {
+  {
     wasm::AsmJsParser parser(info->isolate(), info->zone(), info->script(),
                              info->literal()->start_position(),
                              info->literal()->end_position());
@@ -203,26 +203,6 @@ MaybeHandle<FixedArray> AsmJs::CompileAsmViaWasm(CompilationInfo* info) {
     for (auto i : *parser.stdlib_uses()) {
       uses_array->set(count++, Smi::FromInt(i));
     }
-  } else {
-    auto asm_wasm_result = builder.Run(&foreign_globals);
-    if (!asm_wasm_result.success) {
-      DCHECK(!info->isolate()->has_pending_exception());
-      if (!FLAG_suppress_asm_messages) {
-        MessageHandler::ReportMessage(info->isolate(),
-                                      builder.typer()->message_location(),
-                                      builder.typer()->error_message());
-      }
-      return MaybeHandle<FixedArray>();
-    }
-    module = asm_wasm_result.module_bytes;
-    asm_offsets = asm_wasm_result.asm_offset_table;
-    wasm::AsmTyper::StdlibSet uses = builder.typer()->StdlibUses();
-    uses_array = info->isolate()->factory()->NewFixedArray(
-        static_cast<int>(uses.size()));
-    int count = 0;
-    for (auto i : uses) {
-      uses_array->set(count++, Smi::FromInt(i));
-    }
   }
 
   double asm_wasm_time = asm_wasm_timer.Elapsed().InMillisecondsF();
@@ -341,37 +321,6 @@ MaybeHandle<Object> AsmJs::InstantiateAsmWasm(Isolate* isolate,
   DCHECK(!thrower.error());
   Handle<Object> module_object = maybe_module_object.ToHandleChecked();
 
-  if (!FLAG_fast_validate_asm) {
-    Handle<Name> init_name(isolate->factory()->InternalizeUtf8String(
-        wasm::AsmWasmBuilder::foreign_init_name));
-    Handle<Object> init =
-        Object::GetProperty(module_object, init_name).ToHandleChecked();
-
-    Handle<Object> undefined(isolate->heap()->undefined_value(), isolate);
-    Handle<Object>* foreign_args_array =
-        new Handle<Object>[foreign_globals->length()];
-    for (int j = 0; j < foreign_globals->length(); j++) {
-      if (!foreign.is_null()) {
-        MaybeHandle<Name> name = Object::ToName(
-            isolate, Handle<Object>(foreign_globals->get(j), isolate));
-        if (!name.is_null()) {
-          MaybeHandle<Object> val =
-              Object::GetProperty(foreign, name.ToHandleChecked());
-          if (!val.is_null()) {
-            foreign_args_array[j] = val.ToHandleChecked();
-            continue;
-          }
-        }
-      }
-      foreign_args_array[j] = undefined;
-    }
-    MaybeHandle<Object> retval =
-        Execution::Call(isolate, init, undefined, foreign_globals->length(),
-                        foreign_args_array);
-    delete[] foreign_args_array;
-    DCHECK(!retval.is_null());
-  }
-
   Handle<Name> single_function_name(isolate->factory()->InternalizeUtf8String(
       wasm::AsmWasmBuilder::single_function_name));
   MaybeHandle<Object> single_function =

src/flag-definitions.h

@@ -555,7 +555,6 @@ DEFINE_BOOL(wasm_break_on_decoder_error, false,
             "debug break when wasm decoder encounters an error")
 
 DEFINE_BOOL(validate_asm, false, "validate asm.js modules before compiling")
-DEFINE_BOOL(fast_validate_asm, true, "validate asm.js modules before compiling")
 DEFINE_BOOL(suppress_asm_messages, false,
             "don't emit asm.js related messages (for golden file testing)")
 DEFINE_BOOL(trace_asm_time, false, "log asm.js timing info to the console")

src/wasm/wasm-module.cc

@@ -1735,7 +1735,7 @@ class InstantiationHelper {
                             module_name, import_name);
             return -1;
           }
-          if (module_->is_asm_js() && FLAG_fast_validate_asm) {
+          if (module_->is_asm_js()) {
             if (module_->globals[import.index].type == kWasmI32) {
               value = Object::ToInt32(isolate_, value).ToHandleChecked();
             } else {

test/message/asm-assignment-undeclared.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages --fast-validate-asm
+// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages
 
 function Module() {
   "use asm"

test/message/asm-function-mismatch-def.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages --fast-validate-asm
+// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages
 
 // Violates asm.js because use of {g} in {f} has return type different from {g}.
 

test/message/asm-function-mismatch-use.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages --fast-validate-asm
+// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages
 
 // Violates asm.js because {g} has return type different from use of {g} in {f}.
 

test/message/asm-function-redefined.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages --fast-validate-asm
+// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages
 
 // Violates asm.js because symbol {f} is defined as module function twice.
 

test/message/asm-function-undefined.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages --fast-validate-asm
+// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages
 
 function Module() {
   "use asm"

test/message/asm-function-variable-collision.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages --fast-validate-asm
+// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages
 
 // Violates asm.js because symbol {f} is used as module variable and function.
 

test/message/asm-missing-parameter-annotation.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages --fast-validate-asm
+// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages
 
 function Module() {
   "use asm"

test/message/asm-missing-return-annotation.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages --fast-validate-asm
+// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages
 
 function Module() {
   "use asm"

test/message/asm-table-mismatch-def.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages --fast-validate-asm
+// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages
 
 // Violates asm.js {funTable} definition doesn't match the use in {f}.
 

test/message/asm-table-mismatch-use.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages --fast-validate-asm
+// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages
 
 // Violates asm.js {funTable} use in {f} doesn't match its use in {g}.
 

test/message/asm-table-redefined.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages --fast-validate-asm
+// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages
 
 function Module() {
   "use asm"

test/message/asm-table-undefined.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages --fast-validate-asm
+// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages
 
 function Module() {
   "use asm"

test/message/asm-table-variable-collision.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages --fast-validate-asm
+// Flags: --validate-asm --no-stress-opt --no-stress-validate-asm --no-suppress-asm-messages
 
 function Module() {
   "use asm"

test/mjsunit/asm/call-stdlib.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --validate-asm --fast-validate-asm
+// Flags: --allow-natives-syntax --validate-asm
 
 // This file contains test cases that are particularly interesting because they
 // omit the usual call-site coercion of function calls that target well-known

test/mjsunit/asm/global-imports.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --validate-asm --fast-validate-asm
+// Flags: --allow-natives-syntax --validate-asm
 
 function MODULE_TEMPLATE(stdlib, foreign, buffer) {
   "use asm";

tools/foozzie/v8_foozzie.py

@@ -37,7 +37,6 @@ CONFIGS = dict(
     '--hydrogen-filter=~',
     '--noopt',
     '--validate-asm',
-    '--fast-validate-asm',
     '--stress-validate-asm',
     '--suppress-asm-messages',
   ],

tools/testrunner/local/variants.py

@@ -15,7 +15,7 @@ ALL_VARIANT_FLAGS = {
   # would not force optimization too. It turns into a Nop. Please see
   # https://chromium-review.googlesource.com/c/452620/ for more discussion.
   "nooptimization": [["--noopt"]],
-  "asm_wasm": [["--validate-asm", "--fast-validate-asm", "--stress-validate-asm", "--suppress-asm-messages"]],
+  "asm_wasm": [["--validate-asm", "--stress-validate-asm", "--suppress-asm-messages"]],
   "wasm_traps": [["--wasm_guard_pages", "--wasm_trap_handler", "--invoke-weak-callbacks"]],
 }
 
@@ -31,7 +31,7 @@ FAST_VARIANT_FLAGS = {
   # would not force optimization too. It turns into a Nop. Please see
   # https://chromium-review.googlesource.com/c/452620/ for more discussion.
   "nooptimization": [["--noopt"]],
-  "asm_wasm": [["--validate-asm", "--fast-validate-asm", "--stress-validate-asm", "--suppress-asm-messages"]],
+  "asm_wasm": [["--validate-asm", "--stress-validate-asm", "--suppress-asm-messages"]],
   "wasm_traps": [["--wasm_guard_pages", "--wasm_trap_handler", "--invoke-weak-callbacks"]],
 }