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// 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 "src/compiler.h"
#include "src/zone.h"
#include "src/compiler/common-operator.h"
#include "src/compiler/generic-node-inl.h"
#include "src/compiler/graph.h"
#include "src/compiler/linkage.h"
#include "src/compiler/machine-operator.h"
#include "src/compiler/node.h"
#include "src/compiler/operator.h"
#include "src/compiler/pipeline.h"
#include "src/compiler/schedule.h"
#include "test/cctest/cctest.h"
#if V8_TURBOFAN_TARGET
using namespace v8::internal;
using namespace v8::internal::compiler;
static Operator dummy_operator(IrOpcode::kParameter, Operator::kNoWrite,
"dummy", 0, 0, 0, 0, 0, 0);
// So we can get a real JS function.
static Handle<JSFunction> Compile(const char* source) {
Isolate* isolate = CcTest::i_isolate();
Handle<String> source_code = isolate->factory()
->NewStringFromUtf8(CStrVector(source))
.ToHandleChecked();
Handle<SharedFunctionInfo> shared_function = Compiler::CompileScript(
source_code, Handle<String>(), 0, 0, false,
Handle<Context>(isolate->native_context()), NULL, NULL,
v8::ScriptCompiler::kNoCompileOptions, NOT_NATIVES_CODE);
return isolate->factory()->NewFunctionFromSharedFunctionInfo(
shared_function, isolate->native_context());
}
TEST(TestLinkageCreate) {
InitializedHandleScope handles;
Handle<JSFunction> function = Compile("a + b");
CompilationInfoWithZone info(function);
Linkage linkage(info.zone(), &info);
}
TEST(TestLinkageJSFunctionIncoming) {
InitializedHandleScope handles;
const char* sources[] = {"(function() { })", "(function(a) { })",
"(function(a,b) { })", "(function(a,b,c) { })"};
for (int i = 0; i < 3; i++) {
i::HandleScope handles(CcTest::i_isolate());
Handle<JSFunction> function = v8::Utils::OpenHandle(
*v8::Handle<v8::Function>::Cast(CompileRun(sources[i])));
CompilationInfoWithZone info(function);
Linkage linkage(info.zone(), &info);
CallDescriptor* descriptor = linkage.GetIncomingDescriptor();
CHECK_NE(NULL, descriptor);
CHECK_EQ(1 + i, descriptor->JSParameterCount());
CHECK_EQ(1, descriptor->ReturnCount());
CHECK_EQ(Operator::kNoProperties, descriptor->properties());
CHECK_EQ(true, descriptor->IsJSFunctionCall());
}
}
TEST(TestLinkageCodeStubIncoming) {
Isolate* isolate = CcTest::InitIsolateOnce();
CompilationInfoWithZone info(static_cast<HydrogenCodeStub*>(NULL), isolate);
Linkage linkage(info.zone(), &info);
// TODO(titzer): test linkage creation with a bonafide code stub.
// this just checks current behavior.
CHECK_EQ(NULL, linkage.GetIncomingDescriptor());
}
TEST(TestLinkageJSCall) {
HandleAndZoneScope handles;
Handle<JSFunction> function = Compile("a + c");
CompilationInfoWithZone info(function);
Linkage linkage(info.zone(), &info);
for (int i = 0; i < 32; i++) {
CallDescriptor* descriptor =
linkage.GetJSCallDescriptor(i, CallDescriptor::kNoFlags);
CHECK_NE(NULL, descriptor);
CHECK_EQ(i, descriptor->JSParameterCount());
CHECK_EQ(1, descriptor->ReturnCount());
CHECK_EQ(Operator::kNoProperties, descriptor->properties());
CHECK_EQ(true, descriptor->IsJSFunctionCall());
}
}
TEST(TestLinkageRuntimeCall) {
// TODO(titzer): test linkage creation for outgoing runtime calls.
}
TEST(TestLinkageStubCall) {
// TODO(titzer): test linkage creation for outgoing stub calls.
}
#endif // V8_TURBOFAN_TARGET
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