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v8/test/unittests/compiler/node-unittest.cc
wingo 9efb230d36 Fix -Wsign-compare errors in TF tests under GCC 4.9.2 
R=jkummerow@chromium.org
LOG=N
BUG=

Review URL: https://codereview.chromium.org/1191433003

Cr-Commit-Position: refs/heads/master@{#29023}
2015-06-15 12:03:45 +00:00

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// Copyright 2015 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/node.h"
#include "src/compiler/operator.h"
#include "test/unittests/test-utils.h"
#include "testing/gmock-support.h"
using testing::ElementsAre;
using testing::UnorderedElementsAre;
namespace v8 {
namespace internal {
namespace compiler {
typedef TestWithZone NodeTest;
namespace {
const IrOpcode::Value kOpcode0 = static_cast<IrOpcode::Value>(0);
const IrOpcode::Value kOpcode1 = static_cast<IrOpcode::Value>(1);
const IrOpcode::Value kOpcode2 = static_cast<IrOpcode::Value>(2);
const Operator kOp0(kOpcode0, Operator::kNoProperties, "Op0", 0, 0, 0, 1, 0, 0);
const Operator kOp1(kOpcode1, Operator::kNoProperties, "Op1", 1, 0, 0, 1, 0, 0);
const Operator kOp2(kOpcode2, Operator::kNoProperties, "Op2", 2, 0, 0, 1, 0, 0);
} // namespace
TEST_F(NodeTest, New) {
Node* const node = Node::New(zone(), 1, &kOp0, 0, nullptr, false);
EXPECT_EQ(1U, node->id());
EXPECT_EQ(0, node->UseCount());
EXPECT_TRUE(node->uses().empty());
EXPECT_EQ(0, node->InputCount());
EXPECT_TRUE(node->inputs().empty());
EXPECT_EQ(&kOp0, node->op());
EXPECT_EQ(kOpcode0, node->opcode());
}
TEST_F(NodeTest, NewWithInputs) {
Node* n0 = Node::New(zone(), 0, &kOp0, 0, nullptr, false);
EXPECT_EQ(0, n0->UseCount());
EXPECT_EQ(0, n0->InputCount());
Node* n1 = Node::New(zone(), 1, &kOp1, 1, &n0, false);
EXPECT_EQ(1, n0->UseCount());
EXPECT_THAT(n0->uses(), UnorderedElementsAre(n1));
EXPECT_EQ(0, n1->UseCount());
EXPECT_EQ(1, n1->InputCount());
EXPECT_EQ(n0, n1->InputAt(0));
Node* n0_n1[] = {n0, n1};
Node* n2 = Node::New(zone(), 2, &kOp2, 2, n0_n1, false);
EXPECT_EQ(2, n0->UseCount());
EXPECT_THAT(n0->uses(), UnorderedElementsAre(n1, n2));
EXPECT_THAT(n1->uses(), UnorderedElementsAre(n2));
EXPECT_EQ(2, n2->InputCount());
EXPECT_EQ(n0, n2->InputAt(0));
EXPECT_EQ(n1, n2->InputAt(1));
}
TEST_F(NodeTest, InputIteratorEmpty) {
Node* node = Node::New(zone(), 0, &kOp0, 0, nullptr, false);
EXPECT_EQ(node->inputs().begin(), node->inputs().end());
}
TEST_F(NodeTest, InputIteratorOne) {
Node* n0 = Node::New(zone(), 0, &kOp0, 0, nullptr, false);
Node* n1 = Node::New(zone(), 1, &kOp1, 1, &n0, false);
EXPECT_THAT(n1->inputs(), ElementsAre(n0));
}
TEST_F(NodeTest, InputIteratorTwo) {
Node* n0 = Node::New(zone(), 0, &kOp0, 0, nullptr, false);
Node* n1 = Node::New(zone(), 1, &kOp1, 1, &n0, false);
Node* n0_n1[] = {n0, n1};
Node* n2 = Node::New(zone(), 2, &kOp2, 2, n0_n1, false);
EXPECT_THAT(n2->inputs(), ElementsAre(n0, n1));
}
TEST_F(NodeTest, UseIteratorEmpty) {
Node* node = Node::New(zone(), 0, &kOp0, 0, nullptr, false);
EXPECT_EQ(node->uses().begin(), node->uses().end());
}
TEST_F(NodeTest, UseIteratorOne) {
Node* n0 = Node::New(zone(), 0, &kOp0, 0, nullptr, false);
Node* n1 = Node::New(zone(), 1, &kOp1, 1, &n0, false);
EXPECT_THAT(n0->uses(), ElementsAre(n1));
}
TEST_F(NodeTest, UseIteratorTwo) {
Node* n0 = Node::New(zone(), 0, &kOp0, 0, nullptr, false);
Node* n1 = Node::New(zone(), 1, &kOp1, 1, &n0, false);
Node* n0_n1[] = {n0, n1};
Node* n2 = Node::New(zone(), 2, &kOp2, 2, n0_n1, false);
EXPECT_THAT(n0->uses(), UnorderedElementsAre(n1, n2));
}
TEST_F(NodeTest, OwnedBy) {
Node* n0 = Node::New(zone(), 0, &kOp0, 0, nullptr, false);
EXPECT_FALSE(n0->OwnedBy(n0));
Node* n1 = Node::New(zone(), 1, &kOp1, 1, &n0, false);
EXPECT_FALSE(n0->OwnedBy(n0));
EXPECT_FALSE(n1->OwnedBy(n1));
EXPECT_TRUE(n0->OwnedBy(n1));
Node* n0_n1[] = {n0, n1};
Node* n2 = Node::New(zone(), 2, &kOp2, 2, n0_n1, false);
EXPECT_FALSE(n0->OwnedBy(n0));
EXPECT_FALSE(n1->OwnedBy(n1));
EXPECT_FALSE(n2->OwnedBy(n2));
EXPECT_FALSE(n0->OwnedBy(n1));
EXPECT_FALSE(n0->OwnedBy(n2));
EXPECT_TRUE(n1->OwnedBy(n2));
EXPECT_TRUE(n0->OwnedBy(n1, n2));
n2->ReplaceInput(0, n2);
EXPECT_TRUE(n0->OwnedBy(n1));
EXPECT_TRUE(n1->OwnedBy(n2));
n2->ReplaceInput(1, n0);
EXPECT_FALSE(n0->OwnedBy(n1));
EXPECT_FALSE(n1->OwnedBy(n2));
}
TEST_F(NodeTest, ReplaceUsesNone) {
Node* n0 = Node::New(zone(), 0, &kOp0, 0, nullptr, false);
Node* n1 = Node::New(zone(), 1, &kOp1, 1, &n0, false);
Node* n0_n1[] = {n0, n1};
Node* n2 = Node::New(zone(), 2, &kOp2, 2, n0_n1, false);
Node* node = Node::New(zone(), 42, &kOp0, 0, nullptr, false);
EXPECT_TRUE(node->uses().empty());
node->ReplaceUses(n0);
EXPECT_TRUE(node->uses().empty());
node->ReplaceUses(n1);
EXPECT_TRUE(node->uses().empty());
node->ReplaceUses(n2);
EXPECT_TRUE(node->uses().empty());
}
TEST_F(NodeTest, AppendInput) {
Node* n0 = Node::New(zone(), 0, &kOp0, 0, nullptr, false);
Node* n1 = Node::New(zone(), 1, &kOp1, 1, &n0, false);
Node* node = Node::New(zone(), 12345, &kOp0, 0, nullptr, true);
EXPECT_TRUE(node->inputs().empty());
node->AppendInput(zone(), n0);
EXPECT_FALSE(node->inputs().empty());
EXPECT_THAT(node->inputs(), ElementsAre(n0));
node->AppendInput(zone(), n1);
EXPECT_THAT(node->inputs(), ElementsAre(n0, n1));
node->AppendInput(zone(), n0);
EXPECT_THAT(node->inputs(), ElementsAre(n0, n1, n0));
node->AppendInput(zone(), n0);
EXPECT_THAT(node->inputs(), ElementsAre(n0, n1, n0, n0));
node->AppendInput(zone(), n1);
EXPECT_THAT(node->inputs(), ElementsAre(n0, n1, n0, n0, n1));
}
TEST_F(NodeTest, TrimThenAppend) {
Node* n0 = Node::New(zone(), 0, &kOp0, 0, nullptr, false);
Node* n1 = Node::New(zone(), 1, &kOp0, 0, nullptr, false);
Node* n2 = Node::New(zone(), 2, &kOp0, 0, nullptr, false);
Node* n3 = Node::New(zone(), 3, &kOp0, 0, nullptr, false);
Node* n4 = Node::New(zone(), 4, &kOp0, 0, nullptr, false);
Node* n5 = Node::New(zone(), 5, &kOp0, 0, nullptr, false);
Node* n6 = Node::New(zone(), 6, &kOp0, 0, nullptr, false);
Node* n7 = Node::New(zone(), 7, &kOp0, 0, nullptr, false);
Node* n8 = Node::New(zone(), 8, &kOp0, 0, nullptr, false);
Node* n9 = Node::New(zone(), 9, &kOp0, 0, nullptr, false);
Node* node = Node::New(zone(), 12345, &kOp0, 0, nullptr, true);
EXPECT_TRUE(node->inputs().empty());
node->AppendInput(zone(), n0);
EXPECT_FALSE(node->inputs().empty());
EXPECT_THAT(node->inputs(), ElementsAre(n0));
node->TrimInputCount(0);
EXPECT_TRUE(node->inputs().empty());
node->AppendInput(zone(), n1);
EXPECT_FALSE(node->inputs().empty());
EXPECT_THAT(node->inputs(), ElementsAre(n1));
node->AppendInput(zone(), n2);
EXPECT_FALSE(node->inputs().empty());
EXPECT_THAT(node->inputs(), ElementsAre(n1, n2));
node->TrimInputCount(1);
EXPECT_FALSE(node->inputs().empty());
EXPECT_THAT(node->inputs(), ElementsAre(n1));
node->AppendInput(zone(), n3);
EXPECT_FALSE(node->inputs().empty());
EXPECT_THAT(node->inputs(), ElementsAre(n1, n3));
node->AppendInput(zone(), n4);
EXPECT_FALSE(node->inputs().empty());
EXPECT_THAT(node->inputs(), ElementsAre(n1, n3, n4));
node->AppendInput(zone(), n5);
EXPECT_FALSE(node->inputs().empty());
EXPECT_THAT(node->inputs(), ElementsAre(n1, n3, n4, n5));
node->AppendInput(zone(), n6);
EXPECT_FALSE(node->inputs().empty());
EXPECT_THAT(node->inputs(), ElementsAre(n1, n3, n4, n5, n6));
node->AppendInput(zone(), n7);
EXPECT_FALSE(node->inputs().empty());
EXPECT_THAT(node->inputs(), ElementsAre(n1, n3, n4, n5, n6, n7));
node->TrimInputCount(4);
EXPECT_THAT(node->inputs(), ElementsAre(n1, n3, n4, n5));
node->AppendInput(zone(), n8);
EXPECT_FALSE(node->inputs().empty());
EXPECT_THAT(node->inputs(), ElementsAre(n1, n3, n4, n5, n8));
node->AppendInput(zone(), n9);
EXPECT_FALSE(node->inputs().empty());
EXPECT_THAT(node->inputs(), ElementsAre(n1, n3, n4, n5, n8, n9));
}
TEST_F(NodeTest, BigNodes) {
static const int kMaxSize = 512;
Node* inputs[kMaxSize];
Node* n0 = Node::New(zone(), 0, &kOp0, 0, nullptr, false);
Node* n1 = Node::New(zone(), 1, &kOp1, 1, &n0, false);
for (int i = 0; i < kMaxSize; i++) {
inputs[i] = i & 1 ? n0 : n1;
}
for (int size = 13; size <= kMaxSize; size += 9) {
Node* node = Node::New(zone(), 12345, &kOp0, size, inputs, false);
EXPECT_EQ(size, node->InputCount());
for (int i = 0; i < size; i++) {
EXPECT_EQ(inputs[i], node->InputAt(i));
}
}
}
} // namespace compiler
} // namespace internal
} // namespace v8
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