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6cdd310275
PR-URL: https://github.com/nodejs/node/pull/38990 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Robert Nagy <ronagy@icloud.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
// 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/codegen/code-stub-assembler-unittest.h"
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#include "src/codegen/code-factory.h"
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#include "src/codegen/interface-descriptors-inl.h"
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#include "src/compiler/node.h"
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#include "src/execution/isolate.h"
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#include "src/objects/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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namespace c = v8::internal::compiler;
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namespace v8 {
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namespace internal {
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CodeStubAssemblerTestState::CodeStubAssemblerTestState(
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CodeStubAssemblerTest* test)
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: compiler::CodeAssemblerState(
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test->isolate(), test->zone(), VoidDescriptor{},
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CodeKind::FOR_TESTING, "test",
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PoisoningMitigationLevel::kPoisonCriticalOnly) {}
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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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TNode<IntPtrT> value = m.IntPtrConstant(44);
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EXPECT_THAT(m.SmiTag(value),
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IsBitcastWordToTaggedSigned(c::IsIntPtrConstant(
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static_cast<intptr_t>(44) << (kSmiShiftSize + kSmiTagSize))));
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EXPECT_THAT(m.SmiUntag(m.ReinterpretCast<Smi>(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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TNode<IntPtrT> a = m.IntPtrConstant(100);
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TNode<IntPtrT> b = m.IntPtrConstant(1);
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TNode<IntPtrT> 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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TNode<IntPtrT> a = m.IntPtrConstant(100);
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TNode<IntPtrT> b = m.IntPtrConstant(1);
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TNode<IntPtrT> 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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