73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
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// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "test/unittests/code-stub-assembler-unittest.h"
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#include "src/code-factory.h"
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#include "src/compiler/node.h"
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#include "src/interface-descriptors.h"
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#include "src/isolate.h"
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#include "src/objects-inl.h"
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#include "test/unittests/compiler/compiler-test-utils.h"
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#include "test/unittests/compiler/node-test-utils.h"
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using ::testing::_;
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using v8::internal::compiler::Node;
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namespace c = v8::internal::compiler;
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namespace v8 {
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namespace internal {
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#ifdef ENABLE_VERIFY_CSA
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#define IS_BITCAST_WORD_TO_TAGGED_SIGNED(x) IsBitcastWordToTaggedSigned(x)
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#define IS_BITCAST_TAGGED_TO_WORD(x) IsBitcastTaggedToWord(x)
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#else
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#define IS_BITCAST_WORD_TO_TAGGED_SIGNED(x) (x)
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#define IS_BITCAST_TAGGED_TO_WORD(x) (x)
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#endif
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CodeStubAssemblerTestState::CodeStubAssemblerTestState(
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CodeStubAssemblerTest* test)
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: compiler::CodeAssemblerState(test->isolate(), test->zone(),
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VoidDescriptor(test->isolate()),
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Code::ComputeFlags(Code::STUB), "test") {}
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TARGET_TEST_F(CodeStubAssemblerTest, SmiTag) {
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CodeStubAssemblerTestState state(this);
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CodeStubAssemblerForTest m(&state);
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Node* value = m.Int32Constant(44);
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EXPECT_THAT(m.SmiTag(value),
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IS_BITCAST_WORD_TO_TAGGED_SIGNED(c::IsIntPtrConstant(
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static_cast<intptr_t>(44) << (kSmiShiftSize + kSmiTagSize))));
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EXPECT_THAT(m.SmiUntag(value),
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c::IsIntPtrConstant(static_cast<intptr_t>(44) >>
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(kSmiShiftSize + kSmiTagSize)));
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}
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TARGET_TEST_F(CodeStubAssemblerTest, IntPtrMax) {
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CodeStubAssemblerTestState state(this);
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CodeStubAssemblerForTest m(&state);
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{
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Node* a = m.IntPtrConstant(100);
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Node* b = m.IntPtrConstant(1);
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Node* z = m.IntPtrMax(a, b);
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EXPECT_THAT(z, c::IsIntPtrConstant(100));
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}
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}
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TARGET_TEST_F(CodeStubAssemblerTest, IntPtrMin) {
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CodeStubAssemblerTestState state(this);
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CodeStubAssemblerForTest m(&state);
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{
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Node* a = m.IntPtrConstant(100);
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Node* b = m.IntPtrConstant(1);
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Node* z = m.IntPtrMin(a, b);
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EXPECT_THAT(z, c::IsIntPtrConstant(1));
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}
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}
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} // namespace internal
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} // namespace v8
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