acd9c46ca7
This adds a new ControlFlowOptimizer that - for now - recognizes chains of Branches generated by the SwitchBuilder for a subset of javascript switches into Switch nodes. Those Switch nodes are then lowered to either table or lookup switches. Also rename Case to IfValue (and introduce IfDefault) for consistency. BUG=v8:3872 LOG=n Review URL: https://codereview.chromium.org/931623002 Cr-Commit-Position: refs/heads/master@{#26691}
86 lines
2.1 KiB
C++
86 lines
2.1 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_UNITTESTS_COMPILER_GRAPH_UNITTEST_H_
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#define V8_UNITTESTS_COMPILER_GRAPH_UNITTEST_H_
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#include "src/compiler/common-operator.h"
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#include "src/compiler/graph.h"
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#include "src/compiler/typer.h"
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#include "test/unittests/test-utils.h"
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#include "testing/gmock/include/gmock/gmock.h"
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namespace v8 {
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namespace internal {
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// Forward declarations.
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template <class T>
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class Handle;
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class HeapObject;
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template <class T>
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class Unique;
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namespace compiler {
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using ::testing::Matcher;
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class GraphTest : public TestWithContext, public TestWithIsolateAndZone {
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public:
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explicit GraphTest(int num_parameters = 1);
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~GraphTest() OVERRIDE;
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protected:
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Node* start() { return graph()->start(); }
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Node* end() { return graph()->end(); }
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Node* Parameter(int32_t index = 0);
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Node* Float32Constant(volatile float value);
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Node* Float64Constant(volatile double value);
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Node* Int32Constant(int32_t value);
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Node* Uint32Constant(uint32_t value) {
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return Int32Constant(bit_cast<int32_t>(value));
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}
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Node* Int64Constant(int64_t value);
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Node* NumberConstant(volatile double value);
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Node* HeapConstant(const Handle<HeapObject>& value);
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Node* HeapConstant(const Unique<HeapObject>& value);
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Node* FalseConstant();
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Node* TrueConstant();
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Node* UndefinedConstant();
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Matcher<Node*> IsFalseConstant();
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Matcher<Node*> IsTrueConstant();
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Matcher<Node*> IsUndefinedConstant();
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CommonOperatorBuilder* common() { return &common_; }
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Graph* graph() { return &graph_; }
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private:
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CommonOperatorBuilder common_;
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Graph graph_;
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};
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class TypedGraphTest : public GraphTest {
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public:
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explicit TypedGraphTest(int num_parameters = 1);
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~TypedGraphTest() OVERRIDE;
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protected:
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Node* Parameter(int32_t index = 0) { return GraphTest::Parameter(index); }
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Node* Parameter(Type* type, int32_t index = 0);
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Typer* typer() { return &typer_; }
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private:
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Typer typer_;
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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_UNITTESTS_COMPILER_GRAPH_UNITTEST_H_
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