v8/test/compiler-unittests/common-node-cache-unittest.cc
2014-08-12 12:37:50 +00:00

126 lines
4.8 KiB
C++

// Copyright 2014 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 "src/compiler/common-node-cache.h"
#include "src/compiler/common-operator.h"
#include "src/compiler/graph.h"
#include "test/compiler-unittests/compiler-unittests.h"
#include "testing/gmock/include/gmock/gmock.h"
using testing::AllOf;
using testing::IsNull;
using testing::NotNull;
using testing::Pointee;
namespace v8 {
namespace internal {
namespace compiler {
class CommonNodeCacheTest : public CompilerTest {
public:
CommonNodeCacheTest() : cache_(zone()), common_(zone()), graph_(zone()) {}
virtual ~CommonNodeCacheTest() {}
protected:
Factory* factory() const { return isolate()->factory(); }
CommonNodeCache* cache() { return &cache_; }
CommonOperatorBuilder* common() { return &common_; }
Graph* graph() { return &graph_; }
private:
CommonNodeCache cache_;
CommonOperatorBuilder common_;
Graph graph_;
};
TEST_F(CommonNodeCacheTest, FindInt32Constant) {
Node** l42 = cache()->FindInt32Constant(42);
ASSERT_THAT(l42, AllOf(NotNull(), Pointee(IsNull())));
Node* n42 = *l42 = graph()->NewNode(common()->Int32Constant(42));
Node** l0 = cache()->FindInt32Constant(0);
ASSERT_THAT(l0, AllOf(NotNull(), Pointee(IsNull())));
Node* n0 = *l0 = graph()->NewNode(common()->Int32Constant(0));
EXPECT_THAT(cache()->FindInt32Constant(42), AllOf(l42, Pointee(n42)));
EXPECT_THAT(cache()->FindInt32Constant(0), AllOf(l0, Pointee(n0)));
EXPECT_THAT(cache()->FindInt32Constant(42), AllOf(l42, Pointee(n42)));
EXPECT_THAT(cache()->FindInt32Constant(0), AllOf(l0, Pointee(n0)));
}
TEST_F(CommonNodeCacheTest, FindFloat64Constant) {
Node** l42 = cache()->FindFloat64Constant(42.0);
ASSERT_THAT(l42, AllOf(NotNull(), Pointee(IsNull())));
Node* n42 = *l42 = graph()->NewNode(common()->Float64Constant(42.0));
Node** l0 = cache()->FindFloat64Constant(0.0);
ASSERT_THAT(l0, AllOf(NotNull(), Pointee(IsNull())));
Node* n0 = *l0 = graph()->NewNode(common()->Float64Constant(0.0));
EXPECT_THAT(cache()->FindFloat64Constant(42.0), AllOf(l42, Pointee(n42)));
EXPECT_THAT(cache()->FindFloat64Constant(0.0), AllOf(l0, Pointee(n0)));
EXPECT_THAT(cache()->FindFloat64Constant(42.0), AllOf(l42, Pointee(n42)));
EXPECT_THAT(cache()->FindFloat64Constant(0.0), AllOf(l0, Pointee(n0)));
}
TEST_F(CommonNodeCacheTest, FindExternalConstant) {
ExternalReference i = ExternalReference::isolate_address(isolate());
Node** li = cache()->FindExternalConstant(i);
ASSERT_THAT(li, AllOf(NotNull(), Pointee(IsNull())));
Node* ni = *li = graph()->NewNode(common()->ExternalConstant(i));
ExternalReference m = ExternalReference::address_of_min_int();
Node** lm = cache()->FindExternalConstant(m);
ASSERT_THAT(lm, AllOf(NotNull(), Pointee(IsNull())));
Node* nm = *lm = graph()->NewNode(common()->ExternalConstant(m));
EXPECT_THAT(cache()->FindExternalConstant(i), AllOf(li, Pointee(ni)));
EXPECT_THAT(cache()->FindExternalConstant(m), AllOf(lm, Pointee(nm)));
EXPECT_THAT(cache()->FindExternalConstant(i), AllOf(li, Pointee(ni)));
EXPECT_THAT(cache()->FindExternalConstant(m), AllOf(lm, Pointee(nm)));
}
TEST_F(CommonNodeCacheTest, FindNumberConstant) {
Node** l42 = cache()->FindNumberConstant(42.0);
ASSERT_THAT(l42, AllOf(NotNull(), Pointee(IsNull())));
Node* n42 = *l42 = graph()->NewNode(common()->NumberConstant(42.0));
Node** l0 = cache()->FindNumberConstant(0.0);
ASSERT_THAT(l0, AllOf(NotNull(), Pointee(IsNull())));
Node* n0 = *l0 = graph()->NewNode(common()->NumberConstant(0.0));
EXPECT_THAT(cache()->FindNumberConstant(42.0), AllOf(l42, Pointee(n42)));
EXPECT_THAT(cache()->FindNumberConstant(0.0), AllOf(l0, Pointee(n0)));
EXPECT_THAT(cache()->FindNumberConstant(42.0), AllOf(l42, Pointee(n42)));
EXPECT_THAT(cache()->FindNumberConstant(0.0), AllOf(l0, Pointee(n0)));
}
TEST_F(CommonNodeCacheTest, FindHeapConstant) {
PrintableUnique<HeapObject> n = PrintableUnique<HeapObject>::CreateImmovable(
zone(), factory()->null_value());
Node** ln = cache()->FindHeapConstant(n);
ASSERT_THAT(ln, AllOf(NotNull(), Pointee(IsNull())));
Node* nn = *ln = graph()->NewNode(common()->HeapConstant(n));
PrintableUnique<HeapObject> t = PrintableUnique<HeapObject>::CreateImmovable(
zone(), factory()->true_value());
Node** lt = cache()->FindHeapConstant(t);
ASSERT_THAT(lt, AllOf(NotNull(), Pointee(IsNull())));
Node* nt = *lt = graph()->NewNode(common()->HeapConstant(t));
EXPECT_THAT(cache()->FindHeapConstant(n), AllOf(ln, Pointee(nn)));
EXPECT_THAT(cache()->FindHeapConstant(t), AllOf(lt, Pointee(nt)));
EXPECT_THAT(cache()->FindHeapConstant(n), AllOf(ln, Pointee(nn)));
EXPECT_THAT(cache()->FindHeapConstant(t), AllOf(lt, Pointee(nt)));
}
} // namespace compiler
} // namespace internal
} // namespace v8