v8/test/cctest/compiler/test-run-deopt.cc

59 lines
1.3 KiB
C++

// Copyright 2014 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"
#include "test/cctest/compiler/function-tester.h"
using namespace v8::internal;
using namespace v8::internal::compiler;
#if V8_TURBOFAN_TARGET
TEST(TurboSimpleDeopt) {
FLAG_allow_natives_syntax = true;
FLAG_turbo_deoptimization = true;
FunctionTester T(
"(function f(a) {"
"var b = 1;"
"if (!%IsOptimized()) return 0;"
"%DeoptimizeFunction(f);"
"if (%IsOptimized()) return 0;"
"return a + b; })");
T.CheckCall(T.Val(2), T.Val(1));
}
TEST(TurboSimpleDeoptInExpr) {
FLAG_allow_natives_syntax = true;
FLAG_turbo_deoptimization = true;
FunctionTester T(
"(function f(a) {"
"var b = 1;"
"var c = 2;"
"if (!%IsOptimized()) return 0;"
"var d = b + (%DeoptimizeFunction(f), c);"
"if (%IsOptimized()) return 0;"
"return d + a; })");
T.CheckCall(T.Val(6), T.Val(3));
}
#endif
TEST(TurboTrivialDeopt) {
FLAG_allow_natives_syntax = true;
FLAG_turbo_deoptimization = true;
FunctionTester T(
"(function foo() {"
"%DeoptimizeFunction(foo);"
"return 1; })");
T.CheckCall(T.Val(1));
}