Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 1 | //===- llvm/unittest/VMCore/Metadata.cpp - Metadata 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 "gtest/gtest.h" |
| 11 | #include "llvm/Constants.h" |
Nick Lewycky | b8f9b7a | 2009-05-10 20:57:05 +0000 | [diff] [blame] | 12 | #include "llvm/Instructions.h" |
Chris Lattner | 26a7ae4 | 2009-10-27 17:08:31 +0000 | [diff] [blame] | 13 | #include "llvm/LLVMContext.h" |
Benjamin Kramer | 28983a4 | 2009-07-28 22:03:24 +0000 | [diff] [blame] | 14 | #include "llvm/Metadata.h" |
Devang Patel | 0924b33 | 2009-07-30 00:03:41 +0000 | [diff] [blame] | 15 | #include "llvm/Module.h" |
Nick Lewycky | b8f9b7a | 2009-05-10 20:57:05 +0000 | [diff] [blame] | 16 | #include "llvm/Type.h" |
Chris Lattner | be354a6 | 2009-08-23 04:47:35 +0000 | [diff] [blame] | 17 | #include "llvm/Support/raw_ostream.h" |
Nick Lewycky | b8f9b7a | 2009-05-10 20:57:05 +0000 | [diff] [blame] | 18 | #include "llvm/Support/ValueHandle.h" |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 19 | using namespace llvm; |
| 20 | |
| 21 | namespace { |
| 22 | |
Owen Anderson | 2358732 | 2009-07-31 21:38:10 +0000 | [diff] [blame] | 23 | LLVMContext &Context = getGlobalContext(); |
| 24 | |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 25 | // Test that construction of MDString with different value produces different |
| 26 | // MDString objects, even with the same string pointer and nulls in the string. |
| 27 | TEST(MDStringTest, CreateDifferent) { |
| 28 | char x[3] = { 'f', 0, 'A' }; |
Owen Anderson | 2358732 | 2009-07-31 21:38:10 +0000 | [diff] [blame] | 29 | MDString *s1 = MDString::get(Context, StringRef(&x[0], 3)); |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 30 | x[2] = 'B'; |
Owen Anderson | 2358732 | 2009-07-31 21:38:10 +0000 | [diff] [blame] | 31 | MDString *s2 = MDString::get(Context, StringRef(&x[0], 3)); |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 32 | EXPECT_NE(s1, s2); |
| 33 | } |
| 34 | |
| 35 | // Test that creation of MDStrings with the same string contents produces the |
| 36 | // same MDString object, even with different pointers. |
| 37 | TEST(MDStringTest, CreateSame) { |
| 38 | char x[4] = { 'a', 'b', 'c', 'X' }; |
| 39 | char y[4] = { 'a', 'b', 'c', 'Y' }; |
| 40 | |
Owen Anderson | 2358732 | 2009-07-31 21:38:10 +0000 | [diff] [blame] | 41 | MDString *s1 = MDString::get(Context, StringRef(&x[0], 3)); |
| 42 | MDString *s2 = MDString::get(Context, StringRef(&y[0], 3)); |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 43 | EXPECT_EQ(s1, s2); |
| 44 | } |
| 45 | |
| 46 | // Test that MDString prints out the string we fed it. |
| 47 | TEST(MDStringTest, PrintingSimple) { |
| 48 | char *str = new char[13]; |
| 49 | strncpy(str, "testing 1 2 3", 13); |
Owen Anderson | 2358732 | 2009-07-31 21:38:10 +0000 | [diff] [blame] | 50 | MDString *s = MDString::get(Context, StringRef(str, 13)); |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 51 | strncpy(str, "aaaaaaaaaaaaa", 13); |
| 52 | delete[] str; |
| 53 | |
Chris Lattner | be354a6 | 2009-08-23 04:47:35 +0000 | [diff] [blame] | 54 | std::string Str; |
| 55 | raw_string_ostream oss(Str); |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 56 | s->print(oss); |
Nick Lewycky | adbc284 | 2009-05-30 05:06:04 +0000 | [diff] [blame] | 57 | EXPECT_STREQ("metadata !\"testing 1 2 3\"", oss.str().c_str()); |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 58 | } |
| 59 | |
| 60 | // Test printing of MDString with non-printable characters. |
| 61 | TEST(MDStringTest, PrintingComplex) { |
| 62 | char str[5] = {0, '\n', '"', '\\', -1}; |
Owen Anderson | 2358732 | 2009-07-31 21:38:10 +0000 | [diff] [blame] | 63 | MDString *s = MDString::get(Context, StringRef(str+0, 5)); |
Chris Lattner | be354a6 | 2009-08-23 04:47:35 +0000 | [diff] [blame] | 64 | std::string Str; |
| 65 | raw_string_ostream oss(Str); |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 66 | s->print(oss); |
Nick Lewycky | adbc284 | 2009-05-30 05:06:04 +0000 | [diff] [blame] | 67 | EXPECT_STREQ("metadata !\"\\00\\0A\\22\\5C\\FF\"", oss.str().c_str()); |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | // Test the two constructors, and containing other Constants. |
Nick Lewycky | b8f9b7a | 2009-05-10 20:57:05 +0000 | [diff] [blame] | 71 | TEST(MDNodeTest, Simple) { |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 72 | char x[3] = { 'a', 'b', 'c' }; |
| 73 | char y[3] = { '1', '2', '3' }; |
| 74 | |
Owen Anderson | 2358732 | 2009-07-31 21:38:10 +0000 | [diff] [blame] | 75 | MDString *s1 = MDString::get(Context, StringRef(&x[0], 3)); |
| 76 | MDString *s2 = MDString::get(Context, StringRef(&y[0], 3)); |
Owen Anderson | edb4a70 | 2009-07-24 23:12:02 +0000 | [diff] [blame] | 77 | ConstantInt *CI = ConstantInt::get(getGlobalContext(), APInt(8, 0)); |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 78 | |
Nick Lewycky | b8f9b7a | 2009-05-10 20:57:05 +0000 | [diff] [blame] | 79 | std::vector<Value *> V; |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 80 | V.push_back(s1); |
| 81 | V.push_back(CI); |
| 82 | V.push_back(s2); |
| 83 | |
Owen Anderson | 2358732 | 2009-07-31 21:38:10 +0000 | [diff] [blame] | 84 | MDNode *n1 = MDNode::get(Context, &V[0], 3); |
Nick Lewycky | b8f9b7a | 2009-05-10 20:57:05 +0000 | [diff] [blame] | 85 | Value *const c1 = n1; |
Owen Anderson | 2358732 | 2009-07-31 21:38:10 +0000 | [diff] [blame] | 86 | MDNode *n2 = MDNode::get(Context, &c1, 1); |
| 87 | MDNode *n3 = MDNode::get(Context, &V[0], 3); |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 88 | EXPECT_NE(n1, n2); |
Daniel Dunbar | 8feee90 | 2009-09-07 04:19:02 +0000 | [diff] [blame] | 89 | #ifdef ENABLE_MDNODE_UNIQUING |
Devang Patel | f718832 | 2009-09-03 01:39:20 +0000 | [diff] [blame] | 90 | EXPECT_EQ(n1, n3); |
Daniel Dunbar | 8feee90 | 2009-09-07 04:19:02 +0000 | [diff] [blame] | 91 | #else |
| 92 | (void) n3; |
| 93 | #endif |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 94 | |
Chris Lattner | 9b49302 | 2009-12-31 01:22:29 +0000 | [diff] [blame^] | 95 | EXPECT_EQ(3u, n1->getNumOperands()); |
| 96 | EXPECT_EQ(s1, n1->getOperand(0)); |
| 97 | EXPECT_EQ(CI, n1->getOperand(1)); |
| 98 | EXPECT_EQ(s2, n1->getOperand(2)); |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 99 | |
Chris Lattner | 9b49302 | 2009-12-31 01:22:29 +0000 | [diff] [blame^] | 100 | EXPECT_EQ(1u, n2->getNumOperands()); |
| 101 | EXPECT_EQ(n1, n2->getOperand(0)); |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 102 | |
Chris Lattner | be354a6 | 2009-08-23 04:47:35 +0000 | [diff] [blame] | 103 | std::string Str; |
| 104 | raw_string_ostream oss(Str); |
| 105 | n1->print(oss); |
Devang Patel | f04d63a | 2009-07-08 21:57:07 +0000 | [diff] [blame] | 106 | EXPECT_STREQ("!0 = metadata !{metadata !\"abc\", i8 0, metadata !\"123\"}\n", |
Chris Lattner | be354a6 | 2009-08-23 04:47:35 +0000 | [diff] [blame] | 107 | oss.str().c_str()); |
| 108 | Str.clear(); |
| 109 | n2->print(oss); |
Devang Patel | f04d63a | 2009-07-08 21:57:07 +0000 | [diff] [blame] | 110 | EXPECT_STREQ("!0 = metadata !{metadata !1}\n" |
| 111 | "!1 = metadata !{metadata !\"abc\", i8 0, metadata !\"123\"}\n", |
Chris Lattner | be354a6 | 2009-08-23 04:47:35 +0000 | [diff] [blame] | 112 | oss.str().c_str()); |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 113 | } |
Nick Lewycky | b8f9b7a | 2009-05-10 20:57:05 +0000 | [diff] [blame] | 114 | |
Nick Lewycky | b8f9b7a | 2009-05-10 20:57:05 +0000 | [diff] [blame] | 115 | TEST(MDNodeTest, Delete) { |
Owen Anderson | 55f1c09 | 2009-08-13 21:58:54 +0000 | [diff] [blame] | 116 | Constant *C = ConstantInt::get(Type::getInt32Ty(getGlobalContext()), 1); |
| 117 | Instruction *I = new BitCastInst(C, Type::getInt32Ty(getGlobalContext())); |
Nick Lewycky | b8f9b7a | 2009-05-10 20:57:05 +0000 | [diff] [blame] | 118 | |
| 119 | Value *const V = I; |
Owen Anderson | 2358732 | 2009-07-31 21:38:10 +0000 | [diff] [blame] | 120 | MDNode *n = MDNode::get(Context, &V, 1); |
Nick Lewycky | b8f9b7a | 2009-05-10 20:57:05 +0000 | [diff] [blame] | 121 | WeakVH wvh = n; |
| 122 | |
| 123 | EXPECT_EQ(n, wvh); |
| 124 | |
| 125 | delete I; |
| 126 | |
Chris Lattner | be354a6 | 2009-08-23 04:47:35 +0000 | [diff] [blame] | 127 | std::string Str; |
| 128 | raw_string_ostream oss(Str); |
Nick Lewycky | b8f9b7a | 2009-05-10 20:57:05 +0000 | [diff] [blame] | 129 | wvh->print(oss); |
Devang Patel | f04d63a | 2009-07-08 21:57:07 +0000 | [diff] [blame] | 130 | EXPECT_STREQ("!0 = metadata !{null}\n", oss.str().c_str()); |
Nick Lewycky | b8f9b7a | 2009-05-10 20:57:05 +0000 | [diff] [blame] | 131 | } |
Devang Patel | 0924b33 | 2009-07-30 00:03:41 +0000 | [diff] [blame] | 132 | |
| 133 | TEST(NamedMDNodeTest, Search) { |
Owen Anderson | 55f1c09 | 2009-08-13 21:58:54 +0000 | [diff] [blame] | 134 | Constant *C = ConstantInt::get(Type::getInt32Ty(getGlobalContext()), 1); |
| 135 | Constant *C2 = ConstantInt::get(Type::getInt32Ty(getGlobalContext()), 2); |
Devang Patel | 0924b33 | 2009-07-30 00:03:41 +0000 | [diff] [blame] | 136 | |
| 137 | Value *const V = C; |
| 138 | Value *const V2 = C2; |
Owen Anderson | 2358732 | 2009-07-31 21:38:10 +0000 | [diff] [blame] | 139 | MDNode *n = MDNode::get(Context, &V, 1); |
| 140 | MDNode *n2 = MDNode::get(Context, &V2, 1); |
Devang Patel | 0924b33 | 2009-07-30 00:03:41 +0000 | [diff] [blame] | 141 | |
| 142 | MetadataBase *Nodes[2] = { n, n2 }; |
| 143 | |
| 144 | Module *M = new Module("MyModule", getGlobalContext()); |
| 145 | const char *Name = "llvm.NMD1"; |
Owen Anderson | 55f1c09 | 2009-08-13 21:58:54 +0000 | [diff] [blame] | 146 | NamedMDNode *NMD = NamedMDNode::Create(getGlobalContext(), Name, &Nodes[0], 2, M); |
Chris Lattner | be354a6 | 2009-08-23 04:47:35 +0000 | [diff] [blame] | 147 | std::string Str; |
| 148 | raw_string_ostream oss(Str); |
Devang Patel | 0924b33 | 2009-07-30 00:03:41 +0000 | [diff] [blame] | 149 | NMD->print(oss); |
| 150 | EXPECT_STREQ("!llvm.NMD1 = !{!0, !1}\n!0 = metadata !{i32 1}\n" |
| 151 | "!1 = metadata !{i32 2}\n", |
| 152 | oss.str().c_str()); |
| 153 | } |
Nick Lewycky | 49f8919 | 2009-04-04 07:22:01 +0000 | [diff] [blame] | 154 | } |