John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o - | FileCheck %s |
| 2 | |
| 3 | // rdar://problem/9246208 |
| 4 | |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 5 | // Basic test. |
| 6 | namespace test0 { |
| 7 | struct A { |
| 8 | A(); |
| 9 | int x; |
| 10 | }; |
| 11 | |
| 12 | typedef A elt; |
| 13 | |
| 14 | // CHECK: define [[A:%.*]]* @_ZN5test04testEs(i16 signext |
| 15 | // CHECK: [[N:%.*]] = sext i16 {{%.*}} to i32 |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 16 | // CHECK-NEXT: [[T0:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[N]], i32 4) |
| 17 | // CHECK-NEXT: [[T1:%.*]] = extractvalue { i32, i1 } [[T0]], 1 |
| 18 | // CHECK-NEXT: [[T2:%.*]] = extractvalue { i32, i1 } [[T0]], 0 |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 19 | // CHECK-NEXT: [[T3:%.*]] = select i1 [[T1]], i32 -1, i32 [[T2]] |
| 20 | // CHECK-NEXT: call noalias i8* @_Znaj(i32 [[T3]]) |
John McCall | c3c0766 | 2011-07-13 06:10:41 +0000 | [diff] [blame] | 21 | // CHECK: getelementptr inbounds {{.*}}, i32 [[N]] |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 22 | elt *test(short s) { |
| 23 | return new elt[s]; |
| 24 | } |
| 25 | } |
| 26 | |
| 27 | // test0 with a nested array. |
| 28 | namespace test1 { |
| 29 | struct A { |
| 30 | A(); |
| 31 | int x; |
| 32 | }; |
| 33 | |
| 34 | typedef A elt[100]; |
| 35 | |
| 36 | // CHECK: define [100 x [[A:%.*]]]* @_ZN5test14testEs(i16 signext |
| 37 | // CHECK: [[N:%.*]] = sext i16 {{%.*}} to i32 |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 38 | // CHECK-NEXT: [[T0:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[N]], i32 400) |
| 39 | // CHECK-NEXT: [[T1:%.*]] = extractvalue { i32, i1 } [[T0]], 1 |
| 40 | // CHECK-NEXT: [[T2:%.*]] = extractvalue { i32, i1 } [[T0]], 0 |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 41 | // CHECK-NEXT: [[T3:%.*]] = mul i32 [[N]], 100 |
| 42 | // CHECK-NEXT: [[T4:%.*]] = select i1 [[T1]], i32 -1, i32 [[T2]] |
| 43 | // CHECK-NEXT: call noalias i8* @_Znaj(i32 [[T4]]) |
John McCall | c3c0766 | 2011-07-13 06:10:41 +0000 | [diff] [blame] | 44 | // CHECK: getelementptr inbounds {{.*}}, i32 [[T3]] |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 45 | elt *test(short s) { |
| 46 | return new elt[s]; |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | // test1 with an array cookie. |
| 51 | namespace test2 { |
| 52 | struct A { |
| 53 | A(); |
| 54 | ~A(); |
| 55 | int x; |
| 56 | }; |
| 57 | |
| 58 | typedef A elt[100]; |
| 59 | |
| 60 | // CHECK: define [100 x [[A:%.*]]]* @_ZN5test24testEs(i16 signext |
| 61 | // CHECK: [[N:%.*]] = sext i16 {{%.*}} to i32 |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 62 | // CHECK-NEXT: [[T0:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[N]], i32 400) |
| 63 | // CHECK-NEXT: [[T1:%.*]] = extractvalue { i32, i1 } [[T0]], 1 |
| 64 | // CHECK-NEXT: [[T2:%.*]] = extractvalue { i32, i1 } [[T0]], 0 |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 65 | // CHECK-NEXT: [[T3:%.*]] = mul i32 [[N]], 100 |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 66 | // CHECK-NEXT: [[T4:%.*]] = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 [[T2]], i32 4) |
| 67 | // CHECK-NEXT: [[T5:%.*]] = extractvalue { i32, i1 } [[T4]], 1 |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 68 | // CHECK-NEXT: [[T6:%.*]] = or i1 [[T1]], [[T5]] |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 69 | // CHECK-NEXT: [[T7:%.*]] = extractvalue { i32, i1 } [[T4]], 0 |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 70 | // CHECK-NEXT: [[T8:%.*]] = select i1 [[T6]], i32 -1, i32 [[T7]] |
| 71 | // CHECK-NEXT: call noalias i8* @_Znaj(i32 [[T8]]) |
John McCall | c3c0766 | 2011-07-13 06:10:41 +0000 | [diff] [blame] | 72 | // CHECK: getelementptr inbounds {{.*}}, i32 [[T3]] |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 73 | elt *test(short s) { |
| 74 | return new elt[s]; |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | // test0 with a 1-byte element. |
| 79 | namespace test4 { |
| 80 | struct A { |
| 81 | A(); |
| 82 | }; |
| 83 | |
| 84 | typedef A elt; |
| 85 | |
| 86 | // CHECK: define [[A:%.*]]* @_ZN5test44testEs(i16 signext |
| 87 | // CHECK: [[N:%.*]] = sext i16 {{%.*}} to i32 |
| 88 | // CHECK-NEXT: [[T0:%.*]] = icmp slt i32 [[N]], 0 |
| 89 | // CHECK-NEXT: [[T1:%.*]] = select i1 [[T0]], i32 -1, i32 [[N]] |
| 90 | // CHECK-NEXT: call noalias i8* @_Znaj(i32 [[T1]]) |
John McCall | c3c0766 | 2011-07-13 06:10:41 +0000 | [diff] [blame] | 91 | // CHECK: getelementptr inbounds {{.*}}, i32 [[N]] |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 92 | elt *test(short s) { |
| 93 | return new elt[s]; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | // test4 with no sext required. |
| 98 | namespace test5 { |
| 99 | struct A { |
| 100 | A(); |
| 101 | }; |
| 102 | |
| 103 | typedef A elt; |
| 104 | |
| 105 | // CHECK: define [[A:%.*]]* @_ZN5test54testEi(i32 |
| 106 | // CHECK: [[N:%.*]] = load i32* |
| 107 | // CHECK-NEXT: [[T0:%.*]] = icmp slt i32 [[N]], 0 |
| 108 | // CHECK-NEXT: [[T1:%.*]] = select i1 [[T0]], i32 -1, i32 [[N]] |
| 109 | // CHECK-NEXT: call noalias i8* @_Znaj(i32 [[T1]]) |
John McCall | c3c0766 | 2011-07-13 06:10:41 +0000 | [diff] [blame] | 110 | // CHECK: getelementptr inbounds {{.*}}, i32 [[N]] |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 111 | elt *test(int s) { |
| 112 | return new elt[s]; |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | // test0 with an unsigned size. |
| 117 | namespace test6 { |
| 118 | struct A { |
| 119 | A(); |
| 120 | int x; |
| 121 | }; |
| 122 | |
| 123 | typedef A elt; |
| 124 | |
| 125 | // CHECK: define [[A:%.*]]* @_ZN5test64testEt(i16 zeroext |
| 126 | // CHECK: [[N:%.*]] = zext i16 {{%.*}} to i32 |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 127 | // CHECK-NEXT: [[T0:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[N]], i32 4) |
| 128 | // CHECK-NEXT: [[T1:%.*]] = extractvalue { i32, i1 } [[T0]], 1 |
| 129 | // CHECK-NEXT: [[T2:%.*]] = extractvalue { i32, i1 } [[T0]], 0 |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 130 | // CHECK-NEXT: [[T3:%.*]] = select i1 [[T1]], i32 -1, i32 [[T2]] |
| 131 | // CHECK-NEXT: call noalias i8* @_Znaj(i32 [[T3]]) |
John McCall | c3c0766 | 2011-07-13 06:10:41 +0000 | [diff] [blame] | 132 | // CHECK: getelementptr inbounds {{.*}}, i32 [[N]] |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 133 | elt *test(unsigned short s) { |
| 134 | return new elt[s]; |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | // test1 with an unsigned size. |
| 139 | namespace test7 { |
| 140 | struct A { |
| 141 | A(); |
| 142 | int x; |
| 143 | }; |
| 144 | |
| 145 | typedef A elt[100]; |
| 146 | |
| 147 | // CHECK: define [100 x [[A:%.*]]]* @_ZN5test74testEt(i16 zeroext |
| 148 | // CHECK: [[N:%.*]] = zext i16 {{%.*}} to i32 |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 149 | // CHECK-NEXT: [[T0:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[N]], i32 400) |
| 150 | // CHECK-NEXT: [[T1:%.*]] = extractvalue { i32, i1 } [[T0]], 1 |
| 151 | // CHECK-NEXT: [[T2:%.*]] = extractvalue { i32, i1 } [[T0]], 0 |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 152 | // CHECK-NEXT: [[T3:%.*]] = mul i32 [[N]], 100 |
| 153 | // CHECK-NEXT: [[T4:%.*]] = select i1 [[T1]], i32 -1, i32 [[T2]] |
| 154 | // CHECK-NEXT: call noalias i8* @_Znaj(i32 [[T4]]) |
John McCall | c3c0766 | 2011-07-13 06:10:41 +0000 | [diff] [blame] | 155 | // CHECK: getelementptr inbounds {{.*}}, i32 [[T3]] |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 156 | elt *test(unsigned short s) { |
| 157 | return new elt[s]; |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | // test0 with a signed type larger than size_t. |
| 162 | namespace test8 { |
| 163 | struct A { |
| 164 | A(); |
| 165 | int x; |
| 166 | }; |
| 167 | |
| 168 | typedef A elt; |
| 169 | |
| 170 | // CHECK: define [[A:%.*]]* @_ZN5test84testEx(i64 |
| 171 | // CHECK: [[N:%.*]] = load i64* |
| 172 | // CHECK-NEXT: [[T0:%.*]] = icmp uge i64 [[N]], 4294967296 |
| 173 | // CHECK-NEXT: [[T1:%.*]] = trunc i64 [[N]] to i32 |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 174 | // CHECK-NEXT: [[T2:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[T1]], i32 4) |
| 175 | // CHECK-NEXT: [[T3:%.*]] = extractvalue { i32, i1 } [[T2]], 1 |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 176 | // CHECK-NEXT: [[T4:%.*]] = or i1 [[T0]], [[T3]] |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 177 | // CHECK-NEXT: [[T5:%.*]] = extractvalue { i32, i1 } [[T2]], 0 |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 178 | // CHECK-NEXT: [[T6:%.*]] = select i1 [[T4]], i32 -1, i32 [[T5]] |
| 179 | // CHECK-NEXT: call noalias i8* @_Znaj(i32 [[T6]]) |
John McCall | c3c0766 | 2011-07-13 06:10:41 +0000 | [diff] [blame] | 180 | // CHECK: getelementptr inbounds {{.*}}, i32 [[T1]] |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 181 | elt *test(long long s) { |
| 182 | return new elt[s]; |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | // test8 with an unsigned type. |
| 187 | namespace test9 { |
| 188 | struct A { |
| 189 | A(); |
| 190 | int x; |
| 191 | }; |
| 192 | |
| 193 | typedef A elt; |
| 194 | |
| 195 | // CHECK: define [[A:%.*]]* @_ZN5test94testEy(i64 |
| 196 | // CHECK: [[N:%.*]] = load i64* |
| 197 | // CHECK-NEXT: [[T0:%.*]] = icmp uge i64 [[N]], 4294967296 |
| 198 | // CHECK-NEXT: [[T1:%.*]] = trunc i64 [[N]] to i32 |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 199 | // CHECK-NEXT: [[T2:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[T1]], i32 4) |
| 200 | // CHECK-NEXT: [[T3:%.*]] = extractvalue { i32, i1 } [[T2]], 1 |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 201 | // CHECK-NEXT: [[T4:%.*]] = or i1 [[T0]], [[T3]] |
Chris Lattner | 9cbe4f0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 202 | // CHECK-NEXT: [[T5:%.*]] = extractvalue { i32, i1 } [[T2]], 0 |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 203 | // CHECK-NEXT: [[T6:%.*]] = select i1 [[T4]], i32 -1, i32 [[T5]] |
| 204 | // CHECK-NEXT: call noalias i8* @_Znaj(i32 [[T6]]) |
John McCall | c3c0766 | 2011-07-13 06:10:41 +0000 | [diff] [blame] | 205 | // CHECK: getelementptr inbounds {{.*}}, i32 [[T1]] |
John McCall | 88c1dfc | 2011-06-24 23:30:52 +0000 | [diff] [blame] | 206 | elt *test(unsigned long long s) { |
| 207 | return new elt[s]; |
| 208 | } |
| 209 | } |