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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/api-inl.h"
#include "src/code-factory.h"
#include "src/code-stubs.h"
#include "src/compiler.h"
#include "src/compiler/common-operator.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 "src/objects-inl.h"
#include "src/optimized-compilation-info.h"
#include "src/parsing/parse-info.h"
#include "src/zone/zone.h"
#include "test/cctest/cctest.h"
namespace v8 {
namespace internal {
namespace 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 =
Compiler::GetSharedFunctionInfoForScript(
isolate, source_code, Compiler::ScriptDetails(),
v8::ScriptOriginOptions(), nullptr, nullptr,
v8::ScriptCompiler::kNoCompileOptions,
ScriptCompiler::kNoCacheNoReason, NOT_NATIVES_CODE)
.ToHandleChecked();
return isolate->factory()->NewFunctionFromSharedFunctionInfo(
shared, isolate->native_context());
}
TEST(TestLinkageCreate) {
HandleAndZoneScope handles;
Handle<JSFunction> function = Compile("a + b");
Handle<SharedFunctionInfo> shared(function->shared(), handles.main_isolate());
OptimizedCompilationInfo info(handles.main_zone(), function->GetIsolate(),
shared, function);
auto call_descriptor = Linkage::ComputeIncoming(info.zone(), &info);
CHECK(call_descriptor);
}
TEST(TestLinkageJSFunctionIncoming) {
const char* sources[] = {"(function() { })", "(function(a) { })",
"(function(a,b) { })", "(function(a,b,c) { })"};
for (int i = 0; i < 3; i++) {
HandleAndZoneScope handles;
Handle<JSFunction> function =
Handle<JSFunction>::cast(v8::Utils::OpenHandle(
*v8::Local<v8::Function>::Cast(CompileRun(sources[i]))));
Handle<SharedFunctionInfo> shared(function->shared(),
handles.main_isolate());
OptimizedCompilationInfo info(handles.main_zone(), function->GetIsolate(),
shared, function);
auto call_descriptor = Linkage::ComputeIncoming(info.zone(), &info);
CHECK(call_descriptor);
CHECK_EQ(1 + i, static_cast<int>(call_descriptor->JSParameterCount()));
CHECK_EQ(1, static_cast<int>(call_descriptor->ReturnCount()));
CHECK_EQ(Operator::kNoProperties, call_descriptor->properties());
CHECK_EQ(true, call_descriptor->IsJSFunctionCall());
}
}
TEST(TestLinkageJSCall) {
HandleAndZoneScope handles;
Handle<JSFunction> function = Compile("a + c");
Handle<SharedFunctionInfo> shared(function->shared(), handles.main_isolate());
OptimizedCompilationInfo info(handles.main_zone(), function->GetIsolate(),
shared, function);
for (int i = 0; i < 32; i++) {
auto call_descriptor = Linkage::GetJSCallDescriptor(
info.zone(), false, i, CallDescriptor::kNoFlags);
CHECK(call_descriptor);
CHECK_EQ(i, static_cast<int>(call_descriptor->JSParameterCount()));
CHECK_EQ(1, static_cast<int>(call_descriptor->ReturnCount()));
CHECK_EQ(Operator::kNoProperties, call_descriptor->properties());
CHECK_EQ(true, call_descriptor->IsJSFunctionCall());
}
}
TEST(TestLinkageRuntimeCall) {
// TODO(titzer): test linkage creation for outgoing runtime calls.
}
TEST(TestLinkageStubCall) {
Isolate* isolate = CcTest::InitIsolateOnce();
Zone zone(isolate->allocator(), ZONE_NAME);
Callable callable = Builtins::CallableFor(isolate, Builtins::kToNumber);
OptimizedCompilationInfo info(ArrayVector("test"), &zone, Code::STUB);
auto call_descriptor = Linkage::GetStubCallDescriptor(
&zone, callable.descriptor(), 0, CallDescriptor::kNoFlags,
Operator::kNoProperties);
CHECK(call_descriptor);
CHECK_EQ(0, static_cast<int>(call_descriptor->StackParameterCount()));
CHECK_EQ(1, static_cast<int>(call_descriptor->ReturnCount()));
CHECK_EQ(Operator::kNoProperties, call_descriptor->properties());
CHECK_EQ(false, call_descriptor->IsJSFunctionCall());
// TODO(titzer): test linkage creation for outgoing stub calls.
}
} // namespace compiler
} // namespace internal
} // namespace v8
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