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//===- llvm/unittests/MDBuilderTest.cpp - MDBuilder unit tests ------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/IR/MDBuilder.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Operator.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
class MDBuilderTest : public testing::Test {
protected:
LLVMContext Context;
};
TEST_F(MDBuilderTest, createString) {
MDBuilder MDHelper(Context);
MDString *Str0 = MDHelper.createString("");
MDString *Str1 = MDHelper.createString("string");
EXPECT_EQ(Str0->getString(), StringRef(""));
EXPECT_EQ(Str1->getString(), StringRef("string"));
}
TEST_F(MDBuilderTest, createFPMath) {
MDBuilder MDHelper(Context);
MDNode *MD0 = MDHelper.createFPMath(0.0);
MDNode *MD1 = MDHelper.createFPMath(1.0);
EXPECT_EQ(MD0, (MDNode *)nullptr);
EXPECT_NE(MD1, (MDNode *)nullptr);
EXPECT_EQ(MD1->getNumOperands(), 1U);
Metadata *Op = MD1->getOperand(0);
EXPECT_TRUE(mdconst::hasa<ConstantFP>(Op));
ConstantFP *Val = mdconst::extract<ConstantFP>(Op);
EXPECT_TRUE(Val->getType()->isFloatingPointTy());
EXPECT_TRUE(Val->isExactlyValue(1.0));
}
TEST_F(MDBuilderTest, createRangeMetadata) {
MDBuilder MDHelper(Context);
APInt A(8, 1), B(8, 2);
MDNode *R0 = MDHelper.createRange(A, A);
MDNode *R1 = MDHelper.createRange(A, B);
EXPECT_EQ(R0, (MDNode *)nullptr);
EXPECT_NE(R1, (MDNode *)nullptr);
EXPECT_EQ(R1->getNumOperands(), 2U);
EXPECT_TRUE(mdconst::hasa<ConstantInt>(R1->getOperand(0)));
EXPECT_TRUE(mdconst::hasa<ConstantInt>(R1->getOperand(1)));
ConstantInt *C0 = mdconst::extract<ConstantInt>(R1->getOperand(0));
ConstantInt *C1 = mdconst::extract<ConstantInt>(R1->getOperand(1));
EXPECT_EQ(C0->getValue(), A);
EXPECT_EQ(C1->getValue(), B);
}
TEST_F(MDBuilderTest, createAnonymousTBAARoot) {
MDBuilder MDHelper(Context);
MDNode *R0 = MDHelper.createAnonymousTBAARoot();
MDNode *R1 = MDHelper.createAnonymousTBAARoot();
EXPECT_NE(R0, R1);
EXPECT_GE(R0->getNumOperands(), 1U);
EXPECT_GE(R1->getNumOperands(), 1U);
EXPECT_EQ(R0->getOperand(0), R0);
EXPECT_EQ(R1->getOperand(0), R1);
EXPECT_TRUE(R0->getNumOperands() == 1 || R0->getOperand(1) == nullptr);
EXPECT_TRUE(R1->getNumOperands() == 1 || R1->getOperand(1) == nullptr);
}
TEST_F(MDBuilderTest, createTBAARoot) {
MDBuilder MDHelper(Context);
MDNode *R0 = MDHelper.createTBAARoot("Root");
MDNode *R1 = MDHelper.createTBAARoot("Root");
EXPECT_EQ(R0, R1);
EXPECT_GE(R0->getNumOperands(), 1U);
EXPECT_TRUE(isa<MDString>(R0->getOperand(0)));
EXPECT_EQ(cast<MDString>(R0->getOperand(0))->getString(), "Root");
EXPECT_TRUE(R0->getNumOperands() == 1 || R0->getOperand(1) == nullptr);
}
TEST_F(MDBuilderTest, createTBAANode) {
MDBuilder MDHelper(Context);
MDNode *R = MDHelper.createTBAARoot("Root");
MDNode *N0 = MDHelper.createTBAANode("Node", R);
MDNode *N1 = MDHelper.createTBAANode("edoN", R);
MDNode *N2 = MDHelper.createTBAANode("Node", R, true);
MDNode *N3 = MDHelper.createTBAANode("Node", R);
EXPECT_EQ(N0, N3);
EXPECT_NE(N0, N1);
EXPECT_NE(N0, N2);
EXPECT_GE(N0->getNumOperands(), 2U);
EXPECT_GE(N1->getNumOperands(), 2U);
EXPECT_GE(N2->getNumOperands(), 3U);
EXPECT_TRUE(isa<MDString>(N0->getOperand(0)));
EXPECT_TRUE(isa<MDString>(N1->getOperand(0)));
EXPECT_TRUE(isa<MDString>(N2->getOperand(0)));
EXPECT_EQ(cast<MDString>(N0->getOperand(0))->getString(), "Node");
EXPECT_EQ(cast<MDString>(N1->getOperand(0))->getString(), "edoN");
EXPECT_EQ(cast<MDString>(N2->getOperand(0))->getString(), "Node");
EXPECT_EQ(N0->getOperand(1), R);
EXPECT_EQ(N1->getOperand(1), R);
EXPECT_EQ(N2->getOperand(1), R);
EXPECT_TRUE(mdconst::hasa<ConstantInt>(N2->getOperand(2)));
EXPECT_EQ(mdconst::extract<ConstantInt>(N2->getOperand(2))->getZExtValue(),
1U);
}
}
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