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