205860b147
This CL is an experiment to get more performance data from the perf-bots and will likely lead to regressions. The try-bots (see patcheset 9) indicate some regressions, but it doesn't seem too bad. Change-Id: Ia173ab20ee2a4904663db0f4ca2ffb196b203c77 Reviewed-on: https://chromium-review.googlesource.com/c/1319763 Commit-Queue: Tobias Tebbi <tebbi@chromium.org> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#57483}
85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
// Copyright 2016 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_TEST_CCTEST_COMPILER_CODE_ASSEMBLER_TESTER_H_
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#define V8_TEST_CCTEST_COMPILER_CODE_ASSEMBLER_TESTER_H_
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#include "src/compiler/code-assembler.h"
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#include "src/compiler/raw-machine-assembler.h"
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#include "src/handles.h"
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#include "src/interface-descriptors.h"
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#include "src/isolate.h"
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#include "test/cctest/compiler/function-tester.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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class CodeAssemblerTester {
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public:
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// Test generating code for a stub. Assumes VoidDescriptor call interface.
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explicit CodeAssemblerTester(Isolate* isolate, const char* name = "test")
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: zone_(isolate->allocator(), ZONE_NAME),
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scope_(isolate),
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state_(isolate, &zone_, VoidDescriptor{}, Code::STUB, name,
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PoisoningMitigationLevel::kDontPoison) {}
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// Test generating code for a JS function (e.g. builtins).
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CodeAssemblerTester(Isolate* isolate, int parameter_count,
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Code::Kind kind = Code::BUILTIN,
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const char* name = "test")
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: zone_(isolate->allocator(), ZONE_NAME),
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scope_(isolate),
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state_(isolate, &zone_, parameter_count, kind, name,
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PoisoningMitigationLevel::kDontPoison) {}
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CodeAssemblerTester(Isolate* isolate, Code::Kind kind,
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const char* name = "test")
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: zone_(isolate->allocator(), ZONE_NAME),
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scope_(isolate),
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state_(isolate, &zone_, 0, kind, name,
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PoisoningMitigationLevel::kDontPoison) {}
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CodeAssemblerTester(Isolate* isolate, CallDescriptor* call_descriptor,
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const char* name = "test")
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: zone_(isolate->allocator(), ZONE_NAME),
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scope_(isolate),
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state_(isolate, &zone_, call_descriptor, Code::STUB, name,
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PoisoningMitigationLevel::kDontPoison, 0, -1) {}
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CodeAssemblerState* state() { return &state_; }
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// Direct low-level access to the machine assembler, for testing only.
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RawMachineAssembler* raw_assembler_for_testing() {
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return state_.raw_assembler_.get();
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}
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Handle<Code> GenerateCode() {
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return GenerateCode(AssemblerOptions::Default(scope_.isolate()));
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}
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Handle<Code> GenerateCode(const AssemblerOptions& options) {
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if (state_.InsideBlock()) {
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CodeAssembler(&state_).Unreachable();
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}
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return CodeAssembler::GenerateCode(&state_, options);
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}
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Handle<Code> GenerateCodeCloseAndEscape() {
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return scope_.CloseAndEscape(GenerateCode());
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}
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private:
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Zone zone_;
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HandleScope scope_;
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LocalContext context_;
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CodeAssemblerState state_;
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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_TEST_CCTEST_COMPILER_CODE_ASSEMBLER_TESTER_H_
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