v8/test/cctest/compiler/test-run-deopt.cc
bmeurer 6db78c8065 [turbofan] Drop V8_TURBOFAN_BACKEND and V8_TURBOFAN_TARGET defines.
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}
2015-08-10 07:17:34 +00:00

116 lines
2.8 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/cctest.h"
#include "test/cctest/compiler/function-tester.h"
using namespace v8::internal;
using namespace v8::internal::compiler;
static void IsOptimized(const v8::FunctionCallbackInfo<v8::Value>& args) {
JavaScriptFrameIterator it(CcTest::i_isolate());
JavaScriptFrame* frame = it.frame();
return args.GetReturnValue().Set(frame->is_optimized());
}
static void InstallIsOptimizedHelper(v8::Isolate* isolate) {
v8::Local<v8::Context> context = isolate->GetCurrentContext();
v8::Local<v8::FunctionTemplate> t =
v8::FunctionTemplate::New(isolate, IsOptimized);
context->Global()->Set(v8_str("IsOptimized"), t->GetFunction());
}
TEST(DeoptSimple) {
FLAG_allow_natives_syntax = true;
FunctionTester T(
"(function f(a) {"
" var b = 1;"
" if (!IsOptimized()) return 0;"
" %DeoptimizeFunction(f);"
" if (IsOptimized()) return 0;"
" return a + b;"
"})");
InstallIsOptimizedHelper(CcTest::isolate());
T.CheckCall(T.Val(2), T.Val(1));
}
TEST(DeoptSimpleInExpr) {
FLAG_allow_natives_syntax = 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;"
"})");
InstallIsOptimizedHelper(CcTest::isolate());
T.CheckCall(T.Val(6), T.Val(3));
}
TEST(DeoptExceptionHandlerCatch) {
FLAG_allow_natives_syntax = true;
FLAG_turbo_try_catch = true;
FunctionTester T(
"(function f() {"
" var is_opt = IsOptimized;"
" try {"
" DeoptAndThrow(f);"
" } catch (e) {"
" return is_opt();"
" }"
"})");
CompileRun("function DeoptAndThrow(f) { %DeoptimizeFunction(f); throw 0; }");
InstallIsOptimizedHelper(CcTest::isolate());
T.CheckCall(T.false_value());
}
TEST(DeoptExceptionHandlerFinally) {
FLAG_allow_natives_syntax = true;
FLAG_turbo_try_finally = true;
FunctionTester T(
"(function f() {"
" var is_opt = IsOptimized;"
" try {"
" DeoptAndThrow(f);"
" } finally {"
" return is_opt();"
" }"
"})");
CompileRun("function DeoptAndThrow(f) { %DeoptimizeFunction(f); throw 0; }");
InstallIsOptimizedHelper(CcTest::isolate());
#if 0 // TODO(4195,mstarzinger): Reproduces on MIPS64, re-enable once fixed.
T.CheckCall(T.false_value());
#endif
}
TEST(DeoptTrivial) {
FLAG_allow_natives_syntax = true;
FunctionTester T(
"(function foo() {"
" %DeoptimizeFunction(foo);"
" return 1;"
"})");
T.CheckCall(T.Val(1));
}