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/Operator.h"
13#include "gtest/gtest.h"
14
15using namespace llvm;
16
17namespace {
18
19class MDBuilderTest : public testing::Test {
20protected:
21  LLVMContext Context;
22};
23
24TEST_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}
31TEST_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 *)0);
36  EXPECT_NE(MD1, (MDNode *)0);
37  EXPECT_EQ(MD1->getNumOperands(), 1U);
38  Value *Op = MD1->getOperand(0);
39  EXPECT_TRUE(isa<ConstantFP>(Op));
40  EXPECT_TRUE(Op->getType()->isFloatingPointTy());
41  ConstantFP *Val = cast<ConstantFP>(Op);
42  EXPECT_TRUE(Val->isExactlyValue(1.0));
43}
44TEST_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 *)0);
50  EXPECT_NE(R1, (MDNode *)0);
51  EXPECT_EQ(R1->getNumOperands(), 2U);
52  EXPECT_TRUE(isa<ConstantInt>(R1->getOperand(0)));
53  EXPECT_TRUE(isa<ConstantInt>(R1->getOperand(1)));
54  ConstantInt *C0 = cast<ConstantInt>(R1->getOperand(0));
55  ConstantInt *C1 = cast<ConstantInt>(R1->getOperand(1));
56  EXPECT_EQ(C0->getValue(), A);
57  EXPECT_EQ(C1->getValue(), B);
58}
59TEST_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) == 0);
69  EXPECT_TRUE(R1->getNumOperands() == 1 || R1->getOperand(1) == 0);
70}
71TEST_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) == 0);
80}
81TEST_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(isa<ConstantInt>(N2->getOperand(2)));
104  EXPECT_EQ(cast<ConstantInt>(N2->getOperand(2))->getZExtValue(), 1U);
105}
106}
107