deps/v8/test/cctest/compiler/test-linkage.cc

   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/code-stubs.h"
   8 #include "src/compiler.h"
   9 #include "src/parser.h"
  10 #include "src/zone.h"
  11
  12 #include "src/compiler/common-operator.h"
  13 #include "src/compiler/graph.h"
  14 #include "src/compiler/linkage.h"
  15 #include "src/compiler/machine-operator.h"
  16 #include "src/compiler/node.h"
  17 #include "src/compiler/operator.h"
  18 #include "src/compiler/pipeline.h"
  19 #include "src/compiler/schedule.h"
  20 #include "test/cctest/cctest.h"
  21
  22 #if V8_TURBOFAN_TARGET
  23
  24 using namespace v8::internal;
  25 using namespace v8::internal::compiler;
  26
  27 static Operator dummy_operator(IrOpcode::kParameter, Operator::kNoWrite,
  28                                "dummy", 0, 0, 0, 0, 0, 0);
  29
  30 // So we can get a real JS function.
  31 static Handle<JSFunction> Compile(const char* source) {
  32   Isolate* isolate = CcTest::i_isolate();
  33   Handle<String> source_code = isolate->factory()
  34                                    ->NewStringFromUtf8(CStrVector(source))
  35                                    .ToHandleChecked();
  36   Handle<SharedFunctionInfo> shared_function = Compiler::CompileScript(
  37       source_code, Handle<String>(), 0, 0, false, false, Handle<Object>(),
  38       Handle<Context>(isolate->native_context()), NULL, NULL,
  39       v8::ScriptCompiler::kNoCompileOptions, NOT_NATIVES_CODE, false);
  40   return isolate->factory()->NewFunctionFromSharedFunctionInfo(
  41       shared_function, isolate->native_context());
  42 }
  43
  44
  45 TEST(TestLinkageCreate) {
  46   HandleAndZoneScope handles;
  47   Handle<JSFunction> function = Compile("a + b");
  48   ParseInfo parse_info(handles.main_zone(), function);
  49   CompilationInfo info(&parse_info);
  50   CallDescriptor* descriptor = Linkage::ComputeIncoming(info.zone(), &info);
  51   CHECK(descriptor);
  52 }
  53
  54
  55 TEST(TestLinkageJSFunctionIncoming) {
  56   const char* sources[] = {"(function() { })", "(function(a) { })",
  57                            "(function(a,b) { })", "(function(a,b,c) { })"};
  58
  59   for (int i = 0; i < 3; i++) {
  60     HandleAndZoneScope handles;
  61     Handle<JSFunction> function = v8::Utils::OpenHandle(
  62         *v8::Handle<v8::Function>::Cast(CompileRun(sources[i])));
  63     ParseInfo parse_info(handles.main_zone(), function);
  64     CompilationInfo info(&parse_info);
  65     CallDescriptor* descriptor = Linkage::ComputeIncoming(info.zone(), &info);
  66     CHECK(descriptor);
  67
  68     CHECK_EQ(1 + i, static_cast<int>(descriptor->JSParameterCount()));
  69     CHECK_EQ(1, static_cast<int>(descriptor->ReturnCount()));
  70     CHECK_EQ(Operator::kNoProperties, descriptor->properties());
  71     CHECK_EQ(true, descriptor->IsJSFunctionCall());
  72   }
  73 }
  74
  75
  76 TEST(TestLinkageCodeStubIncoming) {
  77   Isolate* isolate = CcTest::InitIsolateOnce();
  78   Zone zone;
  79   ToNumberStub stub(isolate);
  80   CompilationInfo info(&stub, isolate, &zone);
  81   CallDescriptor* descriptor = Linkage::ComputeIncoming(&zone, &info);
  82   CHECK(descriptor);
  83   CHECK_EQ(1, static_cast<int>(descriptor->JSParameterCount()));
  84   CHECK_EQ(1, static_cast<int>(descriptor->ReturnCount()));
  85   CHECK_EQ(Operator::kNoProperties, descriptor->properties());
  86   CHECK_EQ(false, descriptor->IsJSFunctionCall());
  87 }
  88
  89
  90 TEST(TestLinkageJSCall) {
  91   HandleAndZoneScope handles;
  92   Handle<JSFunction> function = Compile("a + c");
  93   ParseInfo parse_info(handles.main_zone(), function);
  94   CompilationInfo info(&parse_info);
  95
  96   for (int i = 0; i < 32; i++) {
  97     CallDescriptor* descriptor = Linkage::GetJSCallDescriptor(
  98         info.zone(), false, i, CallDescriptor::kNoFlags);
  99     CHECK(descriptor);
 100     CHECK_EQ(i, static_cast<int>(descriptor->JSParameterCount()));
 101     CHECK_EQ(1, static_cast<int>(descriptor->ReturnCount()));
 102     CHECK_EQ(Operator::kNoProperties, descriptor->properties());
 103     CHECK_EQ(true, descriptor->IsJSFunctionCall());
 104   }
 105 }
 106
 107
 108 TEST(TestLinkageRuntimeCall) {
 109   // TODO(titzer): test linkage creation for outgoing runtime calls.
 110 }
 111
 112
 113 TEST(TestLinkageStubCall) {
 114   // TODO(titzer): test linkage creation for outgoing stub calls.
 115 }
 116
 117
 118 #endif  // V8_TURBOFAN_TARGET