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// Copyright 2017 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 "test/unittests/code-stub-assembler-unittest.h"
#include "src/code-factory.h"
#include "src/compiler/node.h"
#include "src/interface-descriptors.h"
#include "src/isolate.h"
#include "src/objects-inl.h"
#include "test/unittests/compiler/compiler-test-utils.h"
#include "test/unittests/compiler/node-test-utils.h"
using ::testing::_;
using v8::internal::compiler::Node;
namespace c = v8::internal::compiler;
namespace v8 {
namespace internal {
#ifdef ENABLE_VERIFY_CSA
#define IS_BITCAST_WORD_TO_TAGGED_SIGNED(x) IsBitcastWordToTaggedSigned(x)
#define IS_BITCAST_TAGGED_TO_WORD(x) IsBitcastTaggedToWord(x)
#else
#define IS_BITCAST_WORD_TO_TAGGED_SIGNED(x) (x)
#define IS_BITCAST_TAGGED_TO_WORD(x) (x)
#endif
CodeStubAssemblerTestState::CodeStubAssemblerTestState(
CodeStubAssemblerTest* test)
: compiler::CodeAssemblerState(
test->isolate(), test->zone(), VoidDescriptor{}, Code::STUB, "test",
PoisoningMitigationLevel::kPoisonCriticalOnly) {}
TARGET_TEST_F(CodeStubAssemblerTest, SmiTag) {
CodeStubAssemblerTestState state(this);
CodeStubAssemblerForTest m(&state);
Node* value = m.Int32Constant(44);
EXPECT_THAT(m.SmiTag(value),
IS_BITCAST_WORD_TO_TAGGED_SIGNED(c::IsIntPtrConstant(
static_cast<intptr_t>(44) << (kSmiShiftSize + kSmiTagSize))));
EXPECT_THAT(m.SmiUntag(value),
c::IsIntPtrConstant(static_cast<intptr_t>(44) >>
(kSmiShiftSize + kSmiTagSize)));
}
TARGET_TEST_F(CodeStubAssemblerTest, IntPtrMax) {
CodeStubAssemblerTestState state(this);
CodeStubAssemblerForTest m(&state);
{
Node* a = m.IntPtrConstant(100);
Node* b = m.IntPtrConstant(1);
Node* z = m.IntPtrMax(a, b);
EXPECT_THAT(z, c::IsIntPtrConstant(100));
}
}
TARGET_TEST_F(CodeStubAssemblerTest, IntPtrMin) {
CodeStubAssemblerTestState state(this);
CodeStubAssemblerForTest m(&state);
{
Node* a = m.IntPtrConstant(100);
Node* b = m.IntPtrConstant(1);
Node* z = m.IntPtrMin(a, b);
EXPECT_THAT(z, c::IsIntPtrConstant(1));
}
}
} // namespace internal
} // namespace v8
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