45b4522e40
This is in preparation to the removal of the FullCodeGenerator, we no longer need the ability to stress the underlying implementation. R=rmcilroy@chromium.org BUG=v8:6409 Cq-Include-Trybots: master.tryserver.v8:v8_linux_noi18n_rel_ng Change-Id: Iad3177d6de4a68b57c12a770b6e85ed7a9710254 Reviewed-on: https://chromium-review.googlesource.com/584747 Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Commit-Queue: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#47276}
119 lines
2.8 KiB
C++
119 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/frames-inl.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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namespace v8 {
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namespace internal {
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namespace 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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CHECK(context->Global()
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->Set(context, v8_str("IsOptimized"),
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t->GetFunction(context).ToLocalChecked())
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.FromJust());
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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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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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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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T.CheckCall(T.false_value());
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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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} // namespace compiler
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} // namespace internal
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} // namespace v8
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