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
TEST_F(MDBuilderTest,createString)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 }
TEST_F(MDBuilderTest,createFPMath)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 }
TEST_F(MDBuilderTest,createRangeMetadata)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 }
TEST_F(MDBuilderTest,createAnonymousTBAARoot)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 }
TEST_F(MDBuilderTest,createTBAARoot)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 }
TEST_F(MDBuilderTest,createTBAANode)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