1 //===- llvm/unittests/MDBuilderTest.cpp - MDBuilder unit tests ------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/IR/MDBuilder.h" 11 #include "llvm/IR/IRBuilder.h" 12 #include "llvm/IR/Metadata.h" 13 #include "llvm/IR/Operator.h" 14 #include "gtest/gtest.h" 15 16 using namespace llvm; 17 18 namespace { 19 20 class MDBuilderTest : public testing::Test { 21 protected: 22 LLVMContext Context; 23 }; 24 25 TEST_F(MDBuilderTest, createString) { 26 MDBuilder MDHelper(Context); 27 MDString *Str0 = MDHelper.createString(""); 28 MDString *Str1 = MDHelper.createString("string"); 29 EXPECT_EQ(Str0->getString(), StringRef("")); 30 EXPECT_EQ(Str1->getString(), StringRef("string")); 31 } 32 TEST_F(MDBuilderTest, createFPMath) { 33 MDBuilder MDHelper(Context); 34 MDNode *MD0 = MDHelper.createFPMath(0.0); 35 MDNode *MD1 = MDHelper.createFPMath(1.0); 36 EXPECT_EQ(MD0, (MDNode *)nullptr); 37 EXPECT_NE(MD1, (MDNode *)nullptr); 38 EXPECT_EQ(MD1->getNumOperands(), 1U); 39 Metadata *Op = MD1->getOperand(0); 40 EXPECT_TRUE(mdconst::hasa<ConstantFP>(Op)); 41 ConstantFP *Val = mdconst::extract<ConstantFP>(Op); 42 EXPECT_TRUE(Val->getType()->isFloatingPointTy()); 43 EXPECT_TRUE(Val->isExactlyValue(1.0)); 44 } 45 TEST_F(MDBuilderTest, createRangeMetadata) { 46 MDBuilder MDHelper(Context); 47 APInt A(8, 1), B(8, 2); 48 MDNode *R0 = MDHelper.createRange(A, A); 49 MDNode *R1 = MDHelper.createRange(A, B); 50 EXPECT_EQ(R0, (MDNode *)nullptr); 51 EXPECT_NE(R1, (MDNode *)nullptr); 52 EXPECT_EQ(R1->getNumOperands(), 2U); 53 EXPECT_TRUE(mdconst::hasa<ConstantInt>(R1->getOperand(0))); 54 EXPECT_TRUE(mdconst::hasa<ConstantInt>(R1->getOperand(1))); 55 ConstantInt *C0 = mdconst::extract<ConstantInt>(R1->getOperand(0)); 56 ConstantInt *C1 = mdconst::extract<ConstantInt>(R1->getOperand(1)); 57 EXPECT_EQ(C0->getValue(), A); 58 EXPECT_EQ(C1->getValue(), B); 59 } 60 TEST_F(MDBuilderTest, createAnonymousTBAARoot) { 61 MDBuilder MDHelper(Context); 62 MDNode *R0 = MDHelper.createAnonymousTBAARoot(); 63 MDNode *R1 = MDHelper.createAnonymousTBAARoot(); 64 EXPECT_NE(R0, R1); 65 EXPECT_GE(R0->getNumOperands(), 1U); 66 EXPECT_GE(R1->getNumOperands(), 1U); 67 EXPECT_EQ(R0->getOperand(0), R0); 68 EXPECT_EQ(R1->getOperand(0), R1); 69 EXPECT_TRUE(R0->getNumOperands() == 1 || R0->getOperand(1) == nullptr); 70 EXPECT_TRUE(R1->getNumOperands() == 1 || R1->getOperand(1) == nullptr); 71 } 72 TEST_F(MDBuilderTest, createTBAARoot) { 73 MDBuilder MDHelper(Context); 74 MDNode *R0 = MDHelper.createTBAARoot("Root"); 75 MDNode *R1 = MDHelper.createTBAARoot("Root"); 76 EXPECT_EQ(R0, R1); 77 EXPECT_GE(R0->getNumOperands(), 1U); 78 EXPECT_TRUE(isa<MDString>(R0->getOperand(0))); 79 EXPECT_EQ(cast<MDString>(R0->getOperand(0))->getString(), "Root"); 80 EXPECT_TRUE(R0->getNumOperands() == 1 || R0->getOperand(1) == nullptr); 81 } 82 TEST_F(MDBuilderTest, createTBAANode) { 83 MDBuilder MDHelper(Context); 84 MDNode *R = MDHelper.createTBAARoot("Root"); 85 MDNode *N0 = MDHelper.createTBAANode("Node", R); 86 MDNode *N1 = MDHelper.createTBAANode("edoN", R); 87 MDNode *N2 = MDHelper.createTBAANode("Node", R, true); 88 MDNode *N3 = MDHelper.createTBAANode("Node", R); 89 EXPECT_EQ(N0, N3); 90 EXPECT_NE(N0, N1); 91 EXPECT_NE(N0, N2); 92 EXPECT_GE(N0->getNumOperands(), 2U); 93 EXPECT_GE(N1->getNumOperands(), 2U); 94 EXPECT_GE(N2->getNumOperands(), 3U); 95 EXPECT_TRUE(isa<MDString>(N0->getOperand(0))); 96 EXPECT_TRUE(isa<MDString>(N1->getOperand(0))); 97 EXPECT_TRUE(isa<MDString>(N2->getOperand(0))); 98 EXPECT_EQ(cast<MDString>(N0->getOperand(0))->getString(), "Node"); 99 EXPECT_EQ(cast<MDString>(N1->getOperand(0))->getString(), "edoN"); 100 EXPECT_EQ(cast<MDString>(N2->getOperand(0))->getString(), "Node"); 101 EXPECT_EQ(N0->getOperand(1), R); 102 EXPECT_EQ(N1->getOperand(1), R); 103 EXPECT_EQ(N2->getOperand(1), R); 104 EXPECT_TRUE(mdconst::hasa<ConstantInt>(N2->getOperand(2))); 105 EXPECT_EQ(mdconst::extract<ConstantInt>(N2->getOperand(2))->getZExtValue(), 106 1U); 107 } 108 } 109
