[wasm] Use correct parameter type in wasm-run-utils.h

Due to a typo wasm-run-utils used the type of the first parameter for
all parameters. This caused problems if not all parameters had the same
type.

R=titzer@chromium.org, clemensh@chromium.org

Review-Url: https://codereview.chromium.org/2463743002
Cr-Commit-Position: refs/heads/master@{#40667}

test/cctest/wasm/test-run-wasm.cc

@@ -827,6 +827,15 @@ WASM_EXEC_TEST(Return_F64) {
   }
 }
 
+WASM_EXEC_TEST(Select_float_parameters) {
+  WasmRunner<float> r(execution_mode, MachineType::Float32(),
+                      MachineType::Float32(), MachineType::Int32());
+  // return select(11, 22, a);
+  BUILD(r,
+        WASM_SELECT(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), WASM_GET_LOCAL(2)));
+  CHECK_FLOAT_EQ(2.0f, r.Call(2.0f, 1.0f, 1));
+}
+
 WASM_EXEC_TEST(Select) {
   WasmRunner<int32_t> r(execution_mode, MachineType::Int32());
   // return select(11, 22, a);

test/cctest/wasm/wasm-run-utils.h

@@ -355,7 +355,7 @@ class WasmFunctionWrapper : public HandleAndZoneScope,
     }
     if (p1 != MachineType::None()) {
       parameters[parameter_count] = graph()->NewNode(
-          machine()->Load(p0),
+          machine()->Load(p1),
           graph()->NewNode(common()->Parameter(1), graph()->start()),
           graph()->NewNode(common()->Int32Constant(0)), effect,
           graph()->start());
@@ -363,7 +363,7 @@ class WasmFunctionWrapper : public HandleAndZoneScope,
     }
     if (p2 != MachineType::None()) {
       parameters[parameter_count] = graph()->NewNode(
-          machine()->Load(p0),
+          machine()->Load(p2),
           graph()->NewNode(common()->Parameter(2), graph()->start()),
           graph()->NewNode(common()->Int32Constant(0)), effect,
           graph()->start());
@@ -371,7 +371,7 @@ class WasmFunctionWrapper : public HandleAndZoneScope,
     }
     if (p3 != MachineType::None()) {
       parameters[parameter_count] = graph()->NewNode(
-          machine()->Load(p0),
+          machine()->Load(p3),
           graph()->NewNode(common()->Parameter(3), graph()->start()),
           graph()->NewNode(common()->Int32Constant(0)), effect,
           graph()->start());