1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "src/v8.h"
6
7 #include "src/compiler.h"
8 #include "src/zone.h"
9
10 #include "src/compiler/common-operator.h"
11 #include "src/compiler/generic-node-inl.h"
12 #include "src/compiler/graph.h"
13 #include "src/compiler/linkage.h"
14 #include "src/compiler/machine-operator.h"
15 #include "src/compiler/node.h"
16 #include "src/compiler/operator.h"
17 #include "src/compiler/pipeline.h"
18 #include "src/compiler/schedule.h"
19 #include "test/cctest/cctest.h"
20
21 #if V8_TURBOFAN_TARGET
22
23 using namespace v8::internal;
24 using namespace v8::internal::compiler;
25
26 static SimpleOperator dummy_operator(IrOpcode::kParameter, Operator::kNoWrite,
27 0, 0, "dummy");
28
29 // So we can get a real JS function.
Compile(const char * source)30 static Handle<JSFunction> Compile(const char* source) {
31 Isolate* isolate = CcTest::i_isolate();
32 Handle<String> source_code = isolate->factory()
33 ->NewStringFromUtf8(CStrVector(source))
34 .ToHandleChecked();
35 Handle<SharedFunctionInfo> shared_function = Compiler::CompileScript(
36 source_code, Handle<String>(), 0, 0, false,
37 Handle<Context>(isolate->native_context()), NULL, NULL,
38 v8::ScriptCompiler::kNoCompileOptions, NOT_NATIVES_CODE);
39 return isolate->factory()->NewFunctionFromSharedFunctionInfo(
40 shared_function, isolate->native_context());
41 }
42
43
TEST(TestLinkageCreate)44 TEST(TestLinkageCreate) {
45 InitializedHandleScope handles;
46 Handle<JSFunction> function = Compile("a + b");
47 CompilationInfoWithZone info(function);
48 Linkage linkage(&info);
49 }
50
51
TEST(TestLinkageJSFunctionIncoming)52 TEST(TestLinkageJSFunctionIncoming) {
53 InitializedHandleScope handles;
54
55 const char* sources[] = {"(function() { })", "(function(a) { })",
56 "(function(a,b) { })", "(function(a,b,c) { })"};
57
58 for (int i = 0; i < 3; i++) {
59 i::HandleScope handles(CcTest::i_isolate());
60 Handle<JSFunction> function = v8::Utils::OpenHandle(
61 *v8::Handle<v8::Function>::Cast(CompileRun(sources[i])));
62 CompilationInfoWithZone info(function);
63 Linkage linkage(&info);
64
65 CallDescriptor* descriptor = linkage.GetIncomingDescriptor();
66 CHECK_NE(NULL, descriptor);
67
68 CHECK_EQ(1 + i, descriptor->JSParameterCount());
69 CHECK_EQ(1, descriptor->ReturnCount());
70 CHECK_EQ(Operator::kNoProperties, descriptor->properties());
71 CHECK_EQ(true, descriptor->IsJSFunctionCall());
72 }
73 }
74
75
TEST(TestLinkageCodeStubIncoming)76 TEST(TestLinkageCodeStubIncoming) {
77 Isolate* isolate = CcTest::InitIsolateOnce();
78 CompilationInfoWithZone info(static_cast<HydrogenCodeStub*>(NULL), isolate);
79 Linkage linkage(&info);
80 // TODO(titzer): test linkage creation with a bonafide code stub.
81 // this just checks current behavior.
82 CHECK_EQ(NULL, linkage.GetIncomingDescriptor());
83 }
84
85
TEST(TestLinkageJSCall)86 TEST(TestLinkageJSCall) {
87 HandleAndZoneScope handles;
88 Handle<JSFunction> function = Compile("a + c");
89 CompilationInfoWithZone info(function);
90 Linkage linkage(&info);
91
92 for (int i = 0; i < 32; i++) {
93 CallDescriptor* descriptor = linkage.GetJSCallDescriptor(i);
94 CHECK_NE(NULL, descriptor);
95 CHECK_EQ(i, descriptor->JSParameterCount());
96 CHECK_EQ(1, descriptor->ReturnCount());
97 CHECK_EQ(Operator::kNoProperties, descriptor->properties());
98 CHECK_EQ(true, descriptor->IsJSFunctionCall());
99 }
100 }
101
102
TEST(TestLinkageRuntimeCall)103 TEST(TestLinkageRuntimeCall) {
104 // TODO(titzer): test linkage creation for outgoing runtime calls.
105 }
106
107
TEST(TestLinkageStubCall)108 TEST(TestLinkageStubCall) {
109 // TODO(titzer): test linkage creation for outgoing stub calls.
110 }
111
112
113 #endif // V8_TURBOFAN_TARGET
114