f4b5224ae9
Also fix some issues and improve test coverage. TEST=compiler-unittests BUG=v8:3489 LOG=y R=jarin@chromium.org Review URL: https://codereview.chromium.org/469743002 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23111 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
// Copyright 2014 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/compiler-unittests/instruction-selector-unittest.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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namespace {
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// Immediates (random subset).
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static const int32_t kImmediates[] = {
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kMinInt, -42, -1, 0, 1, 2, 3, 4, 5,
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6, 7, 8, 16, 42, 0xff, 0xffff, 0x0f0f0f0f, kMaxInt};
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} // namespace
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TEST_F(InstructionSelectorTest, Int32AddWithParameter) {
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StreamBuilder m(this, kMachineWord32, kMachineWord32, kMachineWord32);
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m.Return(m.Int32Add(m.Parameter(0), m.Parameter(1)));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kIA32Add, s[0]->arch_opcode());
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}
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TEST_F(InstructionSelectorTest, Int32AddWithImmediate) {
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TRACED_FOREACH(int32_t, imm, kImmediates) {
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{
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StreamBuilder m(this, kMachineWord32, kMachineWord32);
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m.Return(m.Int32Add(m.Parameter(0), m.Int32Constant(imm)));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kIA32Add, s[0]->arch_opcode());
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ASSERT_EQ(2U, s[0]->InputCount());
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EXPECT_EQ(imm, s.ToInt32(s[0]->InputAt(1)));
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}
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{
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StreamBuilder m(this, kMachineWord32, kMachineWord32);
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m.Return(m.Int32Add(m.Int32Constant(imm), m.Parameter(0)));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kIA32Add, s[0]->arch_opcode());
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ASSERT_EQ(2U, s[0]->InputCount());
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EXPECT_EQ(imm, s.ToInt32(s[0]->InputAt(1)));
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}
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}
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}
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TEST_F(InstructionSelectorTest, Int32SubWithParameter) {
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StreamBuilder m(this, kMachineWord32, kMachineWord32, kMachineWord32);
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m.Return(m.Int32Sub(m.Parameter(0), m.Parameter(1)));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kIA32Sub, s[0]->arch_opcode());
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EXPECT_EQ(1U, s[0]->OutputCount());
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}
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TEST_F(InstructionSelectorTest, Int32SubWithImmediate) {
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TRACED_FOREACH(int32_t, imm, kImmediates) {
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StreamBuilder m(this, kMachineWord32, kMachineWord32);
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m.Return(m.Int32Sub(m.Parameter(0), m.Int32Constant(imm)));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kIA32Sub, s[0]->arch_opcode());
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ASSERT_EQ(2U, s[0]->InputCount());
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EXPECT_EQ(imm, s.ToInt32(s[0]->InputAt(1)));
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}
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}
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} // namespace compiler
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} // namespace internal
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} // namespace v8
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