6db78c8065
TurboFan is now a requirement and supported by all backends, so we don't need those macros (plus all the machinery on top) anymore. R=jarin@chromium.org Review URL: https://codereview.chromium.org/1282763002 Cr-Commit-Position: refs/heads/master@{#30082}
116 lines
2.8 KiB
C++
116 lines
2.8 KiB
C++
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/v8.h"
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#include "test/cctest/cctest.h"
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#include "test/cctest/compiler/function-tester.h"
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using namespace v8::internal;
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using namespace v8::internal::compiler;
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static void IsOptimized(const v8::FunctionCallbackInfo<v8::Value>& args) {
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JavaScriptFrameIterator it(CcTest::i_isolate());
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JavaScriptFrame* frame = it.frame();
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return args.GetReturnValue().Set(frame->is_optimized());
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}
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static void InstallIsOptimizedHelper(v8::Isolate* isolate) {
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v8::Local<v8::Context> context = isolate->GetCurrentContext();
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v8::Local<v8::FunctionTemplate> t =
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v8::FunctionTemplate::New(isolate, IsOptimized);
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context->Global()->Set(v8_str("IsOptimized"), t->GetFunction());
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}
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TEST(DeoptSimple) {
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FLAG_allow_natives_syntax = true;
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FunctionTester T(
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"(function f(a) {"
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" var b = 1;"
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" if (!IsOptimized()) return 0;"
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" %DeoptimizeFunction(f);"
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" if (IsOptimized()) return 0;"
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" return a + b;"
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"})");
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InstallIsOptimizedHelper(CcTest::isolate());
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T.CheckCall(T.Val(2), T.Val(1));
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}
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TEST(DeoptSimpleInExpr) {
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FLAG_allow_natives_syntax = true;
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FunctionTester T(
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"(function f(a) {"
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" var b = 1;"
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" var c = 2;"
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" if (!IsOptimized()) return 0;"
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" var d = b + (%DeoptimizeFunction(f), c);"
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" if (IsOptimized()) return 0;"
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" return d + a;"
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"})");
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InstallIsOptimizedHelper(CcTest::isolate());
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T.CheckCall(T.Val(6), T.Val(3));
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}
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TEST(DeoptExceptionHandlerCatch) {
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FLAG_allow_natives_syntax = true;
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FLAG_turbo_try_catch = true;
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FunctionTester T(
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"(function f() {"
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" var is_opt = IsOptimized;"
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" try {"
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" DeoptAndThrow(f);"
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" } catch (e) {"
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" return is_opt();"
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" }"
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"})");
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CompileRun("function DeoptAndThrow(f) { %DeoptimizeFunction(f); throw 0; }");
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InstallIsOptimizedHelper(CcTest::isolate());
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T.CheckCall(T.false_value());
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}
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TEST(DeoptExceptionHandlerFinally) {
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FLAG_allow_natives_syntax = true;
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FLAG_turbo_try_finally = true;
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FunctionTester T(
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"(function f() {"
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" var is_opt = IsOptimized;"
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" try {"
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" DeoptAndThrow(f);"
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" } finally {"
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" return is_opt();"
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" }"
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"})");
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CompileRun("function DeoptAndThrow(f) { %DeoptimizeFunction(f); throw 0; }");
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InstallIsOptimizedHelper(CcTest::isolate());
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#if 0 // TODO(4195,mstarzinger): Reproduces on MIPS64, re-enable once fixed.
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T.CheckCall(T.false_value());
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#endif
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}
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TEST(DeoptTrivial) {
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FLAG_allow_natives_syntax = true;
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FunctionTester T(
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"(function foo() {"
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" %DeoptimizeFunction(foo);"
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" return 1;"
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"})");
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T.CheckCall(T.Val(1));
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}
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