ea560a9be9
The RawMachineAssembler will be used to build the interpreter, so it needs
to move back to src/compiler.
This reverts commit b5b00cc031.
BUG=v8:4280
LOG=N
Review URL: https://codereview.chromium.org/1221303014
Cr-Commit-Position: refs/heads/master@{#29519}
128 lines
4.0 KiB
C++
128 lines
4.0 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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#ifndef V8_CCTEST_COMPILER_INSTRUCTION_SELECTOR_TEST_H_
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#define V8_CCTEST_COMPILER_INSTRUCTION_SELECTOR_TEST_H_
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#include <deque>
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#include <set>
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#include "src/compiler/instruction-selector.h"
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#include "src/compiler/raw-machine-assembler.h"
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#include "src/ostreams.h"
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#include "test/cctest/cctest.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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typedef std::set<int> VirtualRegisterSet;
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enum InstructionSelectorTesterMode { kTargetMode, kInternalMode };
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class InstructionSelectorTester : public HandleAndZoneScope,
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public RawMachineAssembler {
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public:
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enum Mode { kTargetMode, kInternalMode };
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static const int kParameterCount = 3;
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static MachineType* BuildParameterArray(Zone* zone) {
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MachineType* array = zone->NewArray<MachineType>(kParameterCount);
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for (int i = 0; i < kParameterCount; ++i) {
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array[i] = kMachInt32;
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}
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return array;
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}
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InstructionSelectorTester()
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: RawMachineAssembler(
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new (main_zone()) Graph(main_zone()),
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new (main_zone()) MachineCallDescriptorBuilder(
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kMachInt32, kParameterCount, BuildParameterArray(main_zone())),
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kMachPtr) {}
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void SelectInstructions(CpuFeature feature) {
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SelectInstructions(InstructionSelector::Features(feature));
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}
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void SelectInstructions(CpuFeature feature1, CpuFeature feature2) {
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SelectInstructions(InstructionSelector::Features(feature1, feature2));
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}
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void SelectInstructions(Mode mode = kTargetMode) {
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SelectInstructions(InstructionSelector::Features(), mode);
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}
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void SelectInstructions(InstructionSelector::Features features,
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Mode mode = kTargetMode) {
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OFStream out(stdout);
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Schedule* schedule = Export();
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CHECK_NE(0, graph()->NodeCount());
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CompilationInfo info(main_isolate(), main_zone());
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Linkage linkage(&info, call_descriptor());
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InstructionSequence sequence(&linkage, graph(), schedule);
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SourcePositionTable source_positions(graph());
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InstructionSelector selector(&sequence, &source_positions, features);
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selector.SelectInstructions();
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out << "--- Code sequence after instruction selection --- " << endl
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<< sequence;
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for (InstructionSequence::const_iterator i = sequence.begin();
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i != sequence.end(); ++i) {
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Instruction* instr = *i;
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if (instr->opcode() < 0) continue;
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if (mode == kTargetMode) {
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switch (ArchOpcodeField::decode(instr->opcode())) {
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#define CASE(Name) \
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case k##Name: \
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break;
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TARGET_ARCH_OPCODE_LIST(CASE)
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#undef CASE
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default:
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continue;
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}
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}
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code.push_back(instr);
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}
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for (int vreg = 0; vreg < sequence.VirtualRegisterCount(); ++vreg) {
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if (sequence.IsDouble(vreg)) {
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CHECK(!sequence.IsReference(vreg));
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doubles.insert(vreg);
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}
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if (sequence.IsReference(vreg)) {
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CHECK(!sequence.IsDouble(vreg));
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references.insert(vreg);
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}
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}
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immediates.assign(sequence.immediates().begin(),
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sequence.immediates().end());
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}
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int32_t ToInt32(const InstructionOperand* operand) const {
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size_t i = operand->index();
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CHECK(i < immediates.size());
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CHECK_EQ(InstructionOperand::IMMEDIATE, operand->kind());
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return immediates[i].ToInt32();
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}
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std::deque<Instruction*> code;
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VirtualRegisterSet doubles;
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VirtualRegisterSet references;
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std::deque<Constant> immediates;
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};
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static inline void CheckSameVreg(InstructionOperand* exp,
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InstructionOperand* val) {
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CHECK_EQ(InstructionOperand::UNALLOCATED, exp->kind());
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CHECK_EQ(InstructionOperand::UNALLOCATED, val->kind());
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CHECK_EQ(UnallocatedOperand::cast(exp)->virtual_register(),
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UnallocatedOperand::cast(val)->virtual_register());
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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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#endif // V8_CCTEST_COMPILER_INSTRUCTION_SELECTOR_TEST_H_
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