1 //===- llvm/unittests/MDBuilderTest.cpp - MDBuilder unit tests ------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "llvm/IR/MDBuilder.h" 10 #include "llvm/IR/IRBuilder.h" 11 #include "llvm/IR/Metadata.h" 12 #include "llvm/IR/Operator.h" 13 #include "gtest/gtest.h" 14 15 using namespace llvm; 16 17 namespace { 18 19 class MDBuilderTest : public testing::Test { 20 protected: 21 LLVMContext Context; 22 }; 23 24 TEST_F(MDBuilderTest, createString) { 25 MDBuilder MDHelper(Context); 26 MDString *Str0 = MDHelper.createString(""); 27 MDString *Str1 = MDHelper.createString("string"); 28 EXPECT_EQ(Str0->getString(), StringRef("")); 29 EXPECT_EQ(Str1->getString(), StringRef("string")); 30 } 31 TEST_F(MDBuilderTest, createFPMath) { 32 MDBuilder MDHelper(Context); 33 MDNode *MD0 = MDHelper.createFPMath(0.0); 34 MDNode *MD1 = MDHelper.createFPMath(1.0); 35 EXPECT_EQ(MD0, (MDNode *)nullptr); 36 EXPECT_NE(MD1, (MDNode *)nullptr); 37 EXPECT_EQ(MD1->getNumOperands(), 1U); 38 Metadata *Op = MD1->getOperand(0); 39 EXPECT_TRUE(mdconst::hasa<ConstantFP>(Op)); 40 ConstantFP *Val = mdconst::extract<ConstantFP>(Op); 41 EXPECT_TRUE(Val->getType()->isFloatingPointTy()); 42 EXPECT_TRUE(Val->isExactlyValue(1.0)); 43 } 44 TEST_F(MDBuilderTest, createRangeMetadata) { 45 MDBuilder MDHelper(Context); 46 APInt A(8, 1), B(8, 2); 47 MDNode *R0 = MDHelper.createRange(A, A); 48 MDNode *R1 = MDHelper.createRange(A, B); 49 EXPECT_EQ(R0, (MDNode *)nullptr); 50 EXPECT_NE(R1, (MDNode *)nullptr); 51 EXPECT_EQ(R1->getNumOperands(), 2U); 52 EXPECT_TRUE(mdconst::hasa<ConstantInt>(R1->getOperand(0))); 53 EXPECT_TRUE(mdconst::hasa<ConstantInt>(R1->getOperand(1))); 54 ConstantInt *C0 = mdconst::extract<ConstantInt>(R1->getOperand(0)); 55 ConstantInt *C1 = mdconst::extract<ConstantInt>(R1->getOperand(1)); 56 EXPECT_EQ(C0->getValue(), A); 57 EXPECT_EQ(C1->getValue(), B); 58 } 59 TEST_F(MDBuilderTest, createAnonymousTBAARoot) { 60 MDBuilder MDHelper(Context); 61 MDNode *R0 = MDHelper.createAnonymousTBAARoot(); 62 MDNode *R1 = MDHelper.createAnonymousTBAARoot(); 63 EXPECT_NE(R0, R1); 64 EXPECT_GE(R0->getNumOperands(), 1U); 65 EXPECT_GE(R1->getNumOperands(), 1U); 66 EXPECT_EQ(R0->getOperand(0), R0); 67 EXPECT_EQ(R1->getOperand(0), R1); 68 EXPECT_TRUE(R0->getNumOperands() == 1 || R0->getOperand(1) == nullptr); 69 EXPECT_TRUE(R1->getNumOperands() == 1 || R1->getOperand(1) == nullptr); 70 } 71 TEST_F(MDBuilderTest, createTBAARoot) { 72 MDBuilder MDHelper(Context); 73 MDNode *R0 = MDHelper.createTBAARoot("Root"); 74 MDNode *R1 = MDHelper.createTBAARoot("Root"); 75 EXPECT_EQ(R0, R1); 76 EXPECT_GE(R0->getNumOperands(), 1U); 77 EXPECT_TRUE(isa<MDString>(R0->getOperand(0))); 78 EXPECT_EQ(cast<MDString>(R0->getOperand(0))->getString(), "Root"); 79 EXPECT_TRUE(R0->getNumOperands() == 1 || R0->getOperand(1) == nullptr); 80 } 81 TEST_F(MDBuilderTest, createTBAANode) { 82 MDBuilder MDHelper(Context); 83 MDNode *R = MDHelper.createTBAARoot("Root"); 84 MDNode *N0 = MDHelper.createTBAANode("Node", R); 85 MDNode *N1 = MDHelper.createTBAANode("edoN", R); 86 MDNode *N2 = MDHelper.createTBAANode("Node", R, true); 87 MDNode *N3 = MDHelper.createTBAANode("Node", R); 88 EXPECT_EQ(N0, N3); 89 EXPECT_NE(N0, N1); 90 EXPECT_NE(N0, N2); 91 EXPECT_GE(N0->getNumOperands(), 2U); 92 EXPECT_GE(N1->getNumOperands(), 2U); 93 EXPECT_GE(N2->getNumOperands(), 3U); 94 EXPECT_TRUE(isa<MDString>(N0->getOperand(0))); 95 EXPECT_TRUE(isa<MDString>(N1->getOperand(0))); 96 EXPECT_TRUE(isa<MDString>(N2->getOperand(0))); 97 EXPECT_EQ(cast<MDString>(N0->getOperand(0))->getString(), "Node"); 98 EXPECT_EQ(cast<MDString>(N1->getOperand(0))->getString(), "edoN"); 99 EXPECT_EQ(cast<MDString>(N2->getOperand(0))->getString(), "Node"); 100 EXPECT_EQ(N0->getOperand(1), R); 101 EXPECT_EQ(N1->getOperand(1), R); 102 EXPECT_EQ(N2->getOperand(1), R); 103 EXPECT_TRUE(mdconst::hasa<ConstantInt>(N2->getOperand(2))); 104 EXPECT_EQ(mdconst::extract<ConstantInt>(N2->getOperand(2))->getZExtValue(), 105 1U); 106 } 107 } 108