Juergen Ributzka | 2bce27e | 2014-06-24 23:51:21 +0000 | [diff] [blame^] | 1 | ; RUN: llc -mtriple=x86_64-darwin-unknown < %s | FileCheck %s --check-prefix=DAG |
| 2 | ; RUN: llc -mtriple=x86_64-darwin-unknown -fast-isel -fast-isel-abort < %s | FileCheck %s --check-prefix=FAST |
| 3 | ; RUN: llc -mtriple=x86_64-darwin-unknown < %s | FileCheck %s |
| 4 | ; RUN: llc -mtriple=x86_64-darwin-unknown -fast-isel -fast-isel-abort < %s | FileCheck %s |
Juergen Ributzka | 2dace6e | 2014-06-10 23:52:44 +0000 | [diff] [blame] | 5 | |
| 6 | ; |
| 7 | ; Get the actual value of the overflow bit. |
| 8 | ; |
| 9 | ; SADDO reg, reg |
| 10 | define zeroext i1 @saddo.i8(i8 signext %v1, i8 signext %v2, i8* %res) { |
| 11 | entry: |
| 12 | ; DAG-LABEL: saddo.i8 |
| 13 | ; DAG: addb %sil, %dil |
| 14 | ; DAG-NEXT: seto %al |
| 15 | ; FAST-LABEL: saddo.i8 |
| 16 | ; FAST: addb %sil, %dil |
| 17 | ; FAST-NEXT: seto %al |
| 18 | %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 %v1, i8 %v2) |
| 19 | %val = extractvalue {i8, i1} %t, 0 |
| 20 | %obit = extractvalue {i8, i1} %t, 1 |
| 21 | store i8 %val, i8* %res |
| 22 | ret i1 %obit |
| 23 | } |
| 24 | |
| 25 | define zeroext i1 @saddo.i16(i16 %v1, i16 %v2, i16* %res) { |
| 26 | entry: |
| 27 | ; DAG-LABEL: saddo.i16 |
| 28 | ; DAG: addw %si, %di |
| 29 | ; DAG-NEXT: seto %al |
| 30 | ; FAST-LABEL: saddo.i16 |
| 31 | ; FAST: addw %si, %di |
| 32 | ; FAST-NEXT: seto %al |
| 33 | %t = call {i16, i1} @llvm.sadd.with.overflow.i16(i16 %v1, i16 %v2) |
| 34 | %val = extractvalue {i16, i1} %t, 0 |
| 35 | %obit = extractvalue {i16, i1} %t, 1 |
| 36 | store i16 %val, i16* %res |
| 37 | ret i1 %obit |
| 38 | } |
| 39 | |
| 40 | define zeroext i1 @saddo.i32(i32 %v1, i32 %v2, i32* %res) { |
| 41 | entry: |
| 42 | ; DAG-LABEL: saddo.i32 |
| 43 | ; DAG: addl %esi, %edi |
| 44 | ; DAG-NEXT: seto %al |
| 45 | ; FAST-LABEL: saddo.i32 |
| 46 | ; FAST: addl %esi, %edi |
| 47 | ; FAST-NEXT: seto %al |
| 48 | %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2) |
| 49 | %val = extractvalue {i32, i1} %t, 0 |
| 50 | %obit = extractvalue {i32, i1} %t, 1 |
| 51 | store i32 %val, i32* %res |
| 52 | ret i1 %obit |
| 53 | } |
| 54 | |
| 55 | define zeroext i1 @saddo.i64(i64 %v1, i64 %v2, i64* %res) { |
| 56 | entry: |
| 57 | ; DAG-LABEL: saddo.i64 |
| 58 | ; DAG: addq %rsi, %rdi |
| 59 | ; DAG-NEXT: seto %al |
| 60 | ; FAST-LABEL: saddo.i64 |
| 61 | ; FAST: addq %rsi, %rdi |
| 62 | ; FAST-NEXT: seto %al |
| 63 | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2) |
| 64 | %val = extractvalue {i64, i1} %t, 0 |
| 65 | %obit = extractvalue {i64, i1} %t, 1 |
| 66 | store i64 %val, i64* %res |
| 67 | ret i1 %obit |
| 68 | } |
| 69 | |
| 70 | ; SADDO reg, imm | imm, reg |
| 71 | ; FIXME: INC isn't supported in FastISel yet |
| 72 | define zeroext i1 @saddo.i64imm1(i64 %v1, i64* %res) { |
| 73 | entry: |
| 74 | ; DAG-LABEL: saddo.i64imm1 |
| 75 | ; DAG: incq %rdi |
| 76 | ; DAG-NEXT: seto %al |
| 77 | ; FAST-LABEL: saddo.i64imm1 |
| 78 | ; FAST: addq $1, %rdi |
| 79 | ; FAST-NEXT: seto %al |
| 80 | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 1) |
| 81 | %val = extractvalue {i64, i1} %t, 0 |
| 82 | %obit = extractvalue {i64, i1} %t, 1 |
| 83 | store i64 %val, i64* %res |
| 84 | ret i1 %obit |
| 85 | } |
| 86 | |
| 87 | ; FIXME: DAG doesn't optimize immediates on the LHS. |
| 88 | define zeroext i1 @saddo.i64imm2(i64 %v1, i64* %res) { |
| 89 | entry: |
| 90 | ; DAG-LABEL: saddo.i64imm2 |
| 91 | ; DAG: mov |
| 92 | ; DAG-NEXT: addq |
| 93 | ; DAG-NEXT: seto |
| 94 | ; FAST-LABEL: saddo.i64imm2 |
| 95 | ; FAST: addq $1, %rdi |
| 96 | ; FAST-NEXT: seto %al |
| 97 | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 1, i64 %v1) |
| 98 | %val = extractvalue {i64, i1} %t, 0 |
| 99 | %obit = extractvalue {i64, i1} %t, 1 |
| 100 | store i64 %val, i64* %res |
| 101 | ret i1 %obit |
| 102 | } |
| 103 | |
| 104 | ; Check boundary conditions for large immediates. |
| 105 | define zeroext i1 @saddo.i64imm3(i64 %v1, i64* %res) { |
| 106 | entry: |
| 107 | ; DAG-LABEL: saddo.i64imm3 |
| 108 | ; DAG: addq $-2147483648, %rdi |
| 109 | ; DAG-NEXT: seto %al |
| 110 | ; FAST-LABEL: saddo.i64imm3 |
| 111 | ; FAST: addq $-2147483648, %rdi |
| 112 | ; FAST-NEXT: seto %al |
| 113 | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 -2147483648) |
| 114 | %val = extractvalue {i64, i1} %t, 0 |
| 115 | %obit = extractvalue {i64, i1} %t, 1 |
| 116 | store i64 %val, i64* %res |
| 117 | ret i1 %obit |
| 118 | } |
| 119 | |
| 120 | define zeroext i1 @saddo.i64imm4(i64 %v1, i64* %res) { |
| 121 | entry: |
| 122 | ; DAG-LABEL: saddo.i64imm4 |
| 123 | ; DAG: movabsq $-21474836489, %[[REG:[a-z]+]] |
| 124 | ; DAG-NEXT: addq %rdi, %[[REG]] |
| 125 | ; DAG-NEXT: seto |
| 126 | ; FAST-LABEL: saddo.i64imm4 |
| 127 | ; FAST: movabsq $-21474836489, %[[REG:[a-z]+]] |
| 128 | ; FAST-NEXT: addq %rdi, %[[REG]] |
| 129 | ; FAST-NEXT: seto |
| 130 | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 -21474836489) |
| 131 | %val = extractvalue {i64, i1} %t, 0 |
| 132 | %obit = extractvalue {i64, i1} %t, 1 |
| 133 | store i64 %val, i64* %res |
| 134 | ret i1 %obit |
| 135 | } |
| 136 | |
| 137 | define zeroext i1 @saddo.i64imm5(i64 %v1, i64* %res) { |
| 138 | entry: |
| 139 | ; DAG-LABEL: saddo.i64imm5 |
| 140 | ; DAG: addq $2147483647, %rdi |
| 141 | ; DAG-NEXT: seto |
| 142 | ; FAST-LABEL: saddo.i64imm5 |
| 143 | ; FAST: addq $2147483647, %rdi |
| 144 | ; FAST-NEXT: seto |
| 145 | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 2147483647) |
| 146 | %val = extractvalue {i64, i1} %t, 0 |
| 147 | %obit = extractvalue {i64, i1} %t, 1 |
| 148 | store i64 %val, i64* %res |
| 149 | ret i1 %obit |
| 150 | } |
| 151 | |
| 152 | ; TODO: FastISel shouldn't use movabsq. |
| 153 | define zeroext i1 @saddo.i64imm6(i64 %v1, i64* %res) { |
| 154 | entry: |
| 155 | ; DAG-LABEL: saddo.i64imm6 |
| 156 | ; DAG: movl $2147483648, %ecx |
| 157 | ; DAG: addq %rdi, %rcx |
| 158 | ; DAG-NEXT: seto |
| 159 | ; FAST-LABEL: saddo.i64imm6 |
| 160 | ; FAST: movabsq $2147483648, %[[REG:[a-z]+]] |
| 161 | ; FAST: addq %rdi, %[[REG]] |
| 162 | ; FAST-NEXT: seto |
| 163 | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 2147483648) |
| 164 | %val = extractvalue {i64, i1} %t, 0 |
| 165 | %obit = extractvalue {i64, i1} %t, 1 |
| 166 | store i64 %val, i64* %res |
| 167 | ret i1 %obit |
| 168 | } |
| 169 | |
| 170 | ; UADDO |
| 171 | define zeroext i1 @uaddo.i32(i32 %v1, i32 %v2, i32* %res) { |
| 172 | entry: |
| 173 | ; DAG-LABEL: uaddo.i32 |
| 174 | ; DAG: addl %esi, %edi |
| 175 | ; DAG-NEXT: setb %al |
| 176 | ; FAST-LABEL: uaddo.i32 |
| 177 | ; FAST: addl %esi, %edi |
| 178 | ; FAST-NEXT: setb %al |
| 179 | %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2) |
| 180 | %val = extractvalue {i32, i1} %t, 0 |
| 181 | %obit = extractvalue {i32, i1} %t, 1 |
| 182 | store i32 %val, i32* %res |
| 183 | ret i1 %obit |
| 184 | } |
| 185 | |
| 186 | define zeroext i1 @uaddo.i64(i64 %v1, i64 %v2, i64* %res) { |
| 187 | entry: |
| 188 | ; DAG-LABEL: uaddo.i64 |
| 189 | ; DAG: addq %rsi, %rdi |
| 190 | ; DAG-NEXT: setb %al |
| 191 | ; FAST-LABEL: uaddo.i64 |
| 192 | ; FAST: addq %rsi, %rdi |
| 193 | ; FAST-NEXT: setb %al |
| 194 | %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2) |
| 195 | %val = extractvalue {i64, i1} %t, 0 |
| 196 | %obit = extractvalue {i64, i1} %t, 1 |
| 197 | store i64 %val, i64* %res |
| 198 | ret i1 %obit |
| 199 | } |
| 200 | |
| 201 | ; SSUBO |
| 202 | define zeroext i1 @ssubo.i32(i32 %v1, i32 %v2, i32* %res) { |
| 203 | entry: |
| 204 | ; DAG-LABEL: ssubo.i32 |
| 205 | ; DAG: subl %esi, %edi |
| 206 | ; DAG-NEXT: seto %al |
| 207 | ; FAST-LABEL: ssubo.i32 |
| 208 | ; FAST: subl %esi, %edi |
| 209 | ; FAST-NEXT: seto %al |
| 210 | %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2) |
| 211 | %val = extractvalue {i32, i1} %t, 0 |
| 212 | %obit = extractvalue {i32, i1} %t, 1 |
| 213 | store i32 %val, i32* %res |
| 214 | ret i1 %obit |
| 215 | } |
| 216 | |
| 217 | define zeroext i1 @ssubo.i64(i64 %v1, i64 %v2, i64* %res) { |
| 218 | entry: |
| 219 | ; DAG-LABEL: ssubo.i64 |
| 220 | ; DAG: subq %rsi, %rdi |
| 221 | ; DAG-NEXT: seto %al |
| 222 | ; FAST-LABEL: ssubo.i64 |
| 223 | ; FAST: subq %rsi, %rdi |
| 224 | ; FAST-NEXT: seto %al |
| 225 | %t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2) |
| 226 | %val = extractvalue {i64, i1} %t, 0 |
| 227 | %obit = extractvalue {i64, i1} %t, 1 |
| 228 | store i64 %val, i64* %res |
| 229 | ret i1 %obit |
| 230 | } |
| 231 | |
| 232 | ; USUBO |
| 233 | define zeroext i1 @usubo.i32(i32 %v1, i32 %v2, i32* %res) { |
| 234 | entry: |
| 235 | ; DAG-LABEL: usubo.i32 |
| 236 | ; DAG: subl %esi, %edi |
| 237 | ; DAG-NEXT: setb %al |
| 238 | ; FAST-LABEL: usubo.i32 |
| 239 | ; FAST: subl %esi, %edi |
| 240 | ; FAST-NEXT: setb %al |
| 241 | %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2) |
| 242 | %val = extractvalue {i32, i1} %t, 0 |
| 243 | %obit = extractvalue {i32, i1} %t, 1 |
| 244 | store i32 %val, i32* %res |
| 245 | ret i1 %obit |
| 246 | } |
| 247 | |
| 248 | define zeroext i1 @usubo.i64(i64 %v1, i64 %v2, i64* %res) { |
| 249 | entry: |
| 250 | ; DAG-LABEL: usubo.i64 |
| 251 | ; DAG: subq %rsi, %rdi |
| 252 | ; DAG-NEXT: setb %al |
| 253 | ; FAST-LABEL: usubo.i64 |
| 254 | ; FAST: subq %rsi, %rdi |
| 255 | ; FAST-NEXT: setb %al |
| 256 | %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2) |
| 257 | %val = extractvalue {i64, i1} %t, 0 |
| 258 | %obit = extractvalue {i64, i1} %t, 1 |
| 259 | store i64 %val, i64* %res |
| 260 | ret i1 %obit |
| 261 | } |
| 262 | |
| 263 | ; SMULO |
| 264 | define zeroext i1 @smulo.i32(i32 %v1, i32 %v2, i32* %res) { |
| 265 | entry: |
| 266 | ; DAG-LABEL: smulo.i32 |
| 267 | ; DAG: imull %esi, %edi |
| 268 | ; DAG-NEXT: seto %al |
| 269 | ; FAST-LABEL: smulo.i32 |
| 270 | ; FAST: imull %esi, %edi |
| 271 | ; FAST-NEXT: seto %al |
| 272 | %t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2) |
| 273 | %val = extractvalue {i32, i1} %t, 0 |
| 274 | %obit = extractvalue {i32, i1} %t, 1 |
| 275 | store i32 %val, i32* %res |
| 276 | ret i1 %obit |
| 277 | } |
| 278 | |
| 279 | define zeroext i1 @smulo.i64(i64 %v1, i64 %v2, i64* %res) { |
| 280 | entry: |
| 281 | ; DAG-LABEL: smulo.i64 |
| 282 | ; DAG: imulq %rsi, %rdi |
| 283 | ; DAG-NEXT: seto %al |
| 284 | ; FAST-LABEL: smulo.i64 |
| 285 | ; FAST: imulq %rsi, %rdi |
| 286 | ; FAST-NEXT: seto %al |
| 287 | %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 %v2) |
| 288 | %val = extractvalue {i64, i1} %t, 0 |
| 289 | %obit = extractvalue {i64, i1} %t, 1 |
| 290 | store i64 %val, i64* %res |
| 291 | ret i1 %obit |
| 292 | } |
| 293 | |
| 294 | ; UMULO |
| 295 | define zeroext i1 @umulo.i32(i32 %v1, i32 %v2, i32* %res) { |
| 296 | entry: |
| 297 | ; DAG-LABEL: umulo.i32 |
| 298 | ; DAG: mull %esi |
| 299 | ; DAG-NEXT: seto |
| 300 | ; FAST-LABEL: umulo.i32 |
| 301 | ; FAST: mull %esi |
| 302 | ; FAST-NEXT: seto |
| 303 | %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2) |
| 304 | %val = extractvalue {i32, i1} %t, 0 |
| 305 | %obit = extractvalue {i32, i1} %t, 1 |
| 306 | store i32 %val, i32* %res |
| 307 | ret i1 %obit |
| 308 | } |
| 309 | |
| 310 | define zeroext i1 @umulo.i64(i64 %v1, i64 %v2, i64* %res) { |
| 311 | entry: |
| 312 | ; DAG-LABEL: umulo.i64 |
| 313 | ; DAG: mulq %rsi |
| 314 | ; DAG-NEXT: seto |
| 315 | ; FAST-LABEL: umulo.i64 |
| 316 | ; FAST: mulq %rsi |
| 317 | ; FAST-NEXT: seto |
| 318 | %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 %v2) |
| 319 | %val = extractvalue {i64, i1} %t, 0 |
| 320 | %obit = extractvalue {i64, i1} %t, 1 |
| 321 | store i64 %val, i64* %res |
| 322 | ret i1 %obit |
| 323 | } |
| 324 | |
Juergen Ributzka | 2bce27e | 2014-06-24 23:51:21 +0000 | [diff] [blame^] | 325 | ; |
| 326 | ; Check the use of the overflow bit in combination with a select instruction. |
| 327 | ; |
| 328 | define i32 @saddo.select.i32(i32 %v1, i32 %v2) { |
| 329 | entry: |
| 330 | ; CHECK-LABEL: saddo.select.i32 |
| 331 | ; CHECK: addl %esi, %eax |
| 332 | ; CHECK-NEXT: cmovol %edi, %esi |
| 333 | %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2) |
| 334 | %obit = extractvalue {i32, i1} %t, 1 |
| 335 | %ret = select i1 %obit, i32 %v1, i32 %v2 |
| 336 | ret i32 %ret |
| 337 | } |
| 338 | |
| 339 | define i64 @saddo.select.i64(i64 %v1, i64 %v2) { |
| 340 | entry: |
| 341 | ; CHECK-LABEL: saddo.select.i64 |
| 342 | ; CHECK: addq %rsi, %rax |
| 343 | ; CHECK-NEXT: cmovoq %rdi, %rsi |
| 344 | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2) |
| 345 | %obit = extractvalue {i64, i1} %t, 1 |
| 346 | %ret = select i1 %obit, i64 %v1, i64 %v2 |
| 347 | ret i64 %ret |
| 348 | } |
| 349 | |
| 350 | define i32 @uaddo.select.i32(i32 %v1, i32 %v2) { |
| 351 | entry: |
| 352 | ; CHECK-LABEL: uaddo.select.i32 |
| 353 | ; CHECK: addl %esi, %eax |
| 354 | ; CHECK-NEXT: cmovbl %edi, %esi |
| 355 | %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2) |
| 356 | %obit = extractvalue {i32, i1} %t, 1 |
| 357 | %ret = select i1 %obit, i32 %v1, i32 %v2 |
| 358 | ret i32 %ret |
| 359 | } |
| 360 | |
| 361 | define i64 @uaddo.select.i64(i64 %v1, i64 %v2) { |
| 362 | entry: |
| 363 | ; CHECK-LABEL: uaddo.select.i64 |
| 364 | ; CHECK: addq %rsi, %rax |
| 365 | ; CHECK-NEXT: cmovbq %rdi, %rsi |
| 366 | %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2) |
| 367 | %obit = extractvalue {i64, i1} %t, 1 |
| 368 | %ret = select i1 %obit, i64 %v1, i64 %v2 |
| 369 | ret i64 %ret |
| 370 | } |
| 371 | |
| 372 | define i32 @ssubo.select.i32(i32 %v1, i32 %v2) { |
| 373 | entry: |
| 374 | ; CHECK-LABEL: ssubo.select.i32 |
| 375 | ; CHECK: cmpl %esi, %edi |
| 376 | ; CHECK-NEXT: cmovol %edi, %esi |
| 377 | %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2) |
| 378 | %obit = extractvalue {i32, i1} %t, 1 |
| 379 | %ret = select i1 %obit, i32 %v1, i32 %v2 |
| 380 | ret i32 %ret |
| 381 | } |
| 382 | |
| 383 | define i64 @ssubo.select.i64(i64 %v1, i64 %v2) { |
| 384 | entry: |
| 385 | ; CHECK-LABEL: ssubo.select.i64 |
| 386 | ; CHECK: cmpq %rsi, %rdi |
| 387 | ; CHECK-NEXT: cmovoq %rdi, %rsi |
| 388 | %t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2) |
| 389 | %obit = extractvalue {i64, i1} %t, 1 |
| 390 | %ret = select i1 %obit, i64 %v1, i64 %v2 |
| 391 | ret i64 %ret |
| 392 | } |
| 393 | |
| 394 | define i32 @usubo.select.i32(i32 %v1, i32 %v2) { |
| 395 | entry: |
| 396 | ; CHECK-LABEL: usubo.select.i32 |
| 397 | ; CHECK: cmpl %esi, %edi |
| 398 | ; CHECK-NEXT: cmovbl %edi, %esi |
| 399 | %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2) |
| 400 | %obit = extractvalue {i32, i1} %t, 1 |
| 401 | %ret = select i1 %obit, i32 %v1, i32 %v2 |
| 402 | ret i32 %ret |
| 403 | } |
| 404 | |
| 405 | define i64 @usubo.select.i64(i64 %v1, i64 %v2) { |
| 406 | entry: |
| 407 | ; CHECK-LABEL: usubo.select.i64 |
| 408 | ; CHECK: cmpq %rsi, %rdi |
| 409 | ; CHECK-NEXT: cmovbq %rdi, %rsi |
| 410 | %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2) |
| 411 | %obit = extractvalue {i64, i1} %t, 1 |
| 412 | %ret = select i1 %obit, i64 %v1, i64 %v2 |
| 413 | ret i64 %ret |
| 414 | } |
| 415 | |
| 416 | define i32 @smulo.select.i32(i32 %v1, i32 %v2) { |
| 417 | entry: |
| 418 | ; CHECK-LABEL: smulo.select.i32 |
| 419 | ; CHECK: imull %esi, %eax |
| 420 | ; CHECK-NEXT: cmovol %edi, %esi |
| 421 | %t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2) |
| 422 | %obit = extractvalue {i32, i1} %t, 1 |
| 423 | %ret = select i1 %obit, i32 %v1, i32 %v2 |
| 424 | ret i32 %ret |
| 425 | } |
| 426 | |
| 427 | define i64 @smulo.select.i64(i64 %v1, i64 %v2) { |
| 428 | entry: |
| 429 | ; CHECK-LABEL: smulo.select.i64 |
| 430 | ; CHECK: imulq %rsi, %rax |
| 431 | ; CHECK-NEXT: cmovoq %rdi, %rsi |
| 432 | %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 %v2) |
| 433 | %obit = extractvalue {i64, i1} %t, 1 |
| 434 | %ret = select i1 %obit, i64 %v1, i64 %v2 |
| 435 | ret i64 %ret |
| 436 | } |
| 437 | |
| 438 | define i32 @umulo.select.i32(i32 %v1, i32 %v2) { |
| 439 | entry: |
| 440 | ; CHECK-LABEL: umulo.select.i32 |
| 441 | ; CHECK: mull %esi |
| 442 | ; CHECK-NEXT: cmovol %edi, %esi |
| 443 | %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2) |
| 444 | %obit = extractvalue {i32, i1} %t, 1 |
| 445 | %ret = select i1 %obit, i32 %v1, i32 %v2 |
| 446 | ret i32 %ret |
| 447 | } |
| 448 | |
| 449 | define i64 @umulo.select.i64(i64 %v1, i64 %v2) { |
| 450 | entry: |
| 451 | ; CHECK-LABEL: umulo.select.i64 |
| 452 | ; CHECK: mulq %rsi |
| 453 | ; CHECK-NEXT: cmovoq %rdi, %rsi |
| 454 | %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 %v2) |
| 455 | %obit = extractvalue {i64, i1} %t, 1 |
| 456 | %ret = select i1 %obit, i64 %v1, i64 %v2 |
| 457 | ret i64 %ret |
| 458 | } |
| 459 | |
| 460 | |
| 461 | ; |
| 462 | ; Check the use of the overflow bit in combination with a branch instruction. |
| 463 | ; |
| 464 | define zeroext i1 @saddo.br.i32(i32 %v1, i32 %v2) { |
| 465 | entry: |
| 466 | ; CHECK-LABEL: saddo.br.i32 |
| 467 | ; CHECK: addl %esi, %edi |
| 468 | ; CHECK-NEXT: jo |
| 469 | %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2) |
| 470 | %val = extractvalue {i32, i1} %t, 0 |
| 471 | %obit = extractvalue {i32, i1} %t, 1 |
| 472 | br i1 %obit, label %overflow, label %continue, !prof !0 |
| 473 | |
| 474 | overflow: |
| 475 | ret i1 false |
| 476 | |
| 477 | continue: |
| 478 | ret i1 true |
| 479 | } |
| 480 | |
| 481 | define zeroext i1 @saddo.br.i64(i64 %v1, i64 %v2) { |
| 482 | entry: |
| 483 | ; CHECK-LABEL: saddo.br.i64 |
| 484 | ; CHECK: addq %rsi, %rdi |
| 485 | ; CHECK-NEXT: jo |
| 486 | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2) |
| 487 | %val = extractvalue {i64, i1} %t, 0 |
| 488 | %obit = extractvalue {i64, i1} %t, 1 |
| 489 | br i1 %obit, label %overflow, label %continue, !prof !0 |
| 490 | |
| 491 | overflow: |
| 492 | ret i1 false |
| 493 | |
| 494 | continue: |
| 495 | ret i1 true |
| 496 | } |
| 497 | |
| 498 | define zeroext i1 @uaddo.br.i32(i32 %v1, i32 %v2) { |
| 499 | entry: |
| 500 | ; CHECK-LABEL: uaddo.br.i32 |
| 501 | ; CHECK: addl %esi, %edi |
| 502 | ; CHECK-NEXT: jb |
| 503 | %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2) |
| 504 | %val = extractvalue {i32, i1} %t, 0 |
| 505 | %obit = extractvalue {i32, i1} %t, 1 |
| 506 | br i1 %obit, label %overflow, label %continue, !prof !0 |
| 507 | |
| 508 | overflow: |
| 509 | ret i1 false |
| 510 | |
| 511 | continue: |
| 512 | ret i1 true |
| 513 | } |
| 514 | |
| 515 | define zeroext i1 @uaddo.br.i64(i64 %v1, i64 %v2) { |
| 516 | entry: |
| 517 | ; CHECK-LABEL: uaddo.br.i64 |
| 518 | ; CHECK: addq %rsi, %rdi |
| 519 | ; CHECK-NEXT: jb |
| 520 | %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2) |
| 521 | %val = extractvalue {i64, i1} %t, 0 |
| 522 | %obit = extractvalue {i64, i1} %t, 1 |
| 523 | br i1 %obit, label %overflow, label %continue, !prof !0 |
| 524 | |
| 525 | overflow: |
| 526 | ret i1 false |
| 527 | |
| 528 | continue: |
| 529 | ret i1 true |
| 530 | } |
| 531 | |
| 532 | define zeroext i1 @ssubo.br.i32(i32 %v1, i32 %v2) { |
| 533 | entry: |
| 534 | ; CHECK-LABEL: ssubo.br.i32 |
| 535 | ; CHECK: cmpl %esi, %edi |
| 536 | ; CHECK-NEXT: jo |
| 537 | %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2) |
| 538 | %val = extractvalue {i32, i1} %t, 0 |
| 539 | %obit = extractvalue {i32, i1} %t, 1 |
| 540 | br i1 %obit, label %overflow, label %continue, !prof !0 |
| 541 | |
| 542 | overflow: |
| 543 | ret i1 false |
| 544 | |
| 545 | continue: |
| 546 | ret i1 true |
| 547 | } |
| 548 | |
| 549 | define zeroext i1 @ssubo.br.i64(i64 %v1, i64 %v2) { |
| 550 | entry: |
| 551 | ; CHECK-LABEL: ssubo.br.i64 |
| 552 | ; CHECK: cmpq %rsi, %rdi |
| 553 | ; CHECK-NEXT: jo |
| 554 | %t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2) |
| 555 | %val = extractvalue {i64, i1} %t, 0 |
| 556 | %obit = extractvalue {i64, i1} %t, 1 |
| 557 | br i1 %obit, label %overflow, label %continue, !prof !0 |
| 558 | |
| 559 | overflow: |
| 560 | ret i1 false |
| 561 | |
| 562 | continue: |
| 563 | ret i1 true |
| 564 | } |
| 565 | |
| 566 | define zeroext i1 @usubo.br.i32(i32 %v1, i32 %v2) { |
| 567 | entry: |
| 568 | ; CHECK-LABEL: usubo.br.i32 |
| 569 | ; CHECK: cmpl %esi, %edi |
| 570 | ; CHECK-NEXT: jb |
| 571 | %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2) |
| 572 | %val = extractvalue {i32, i1} %t, 0 |
| 573 | %obit = extractvalue {i32, i1} %t, 1 |
| 574 | br i1 %obit, label %overflow, label %continue, !prof !0 |
| 575 | |
| 576 | overflow: |
| 577 | ret i1 false |
| 578 | |
| 579 | continue: |
| 580 | ret i1 true |
| 581 | } |
| 582 | |
| 583 | define zeroext i1 @usubo.br.i64(i64 %v1, i64 %v2) { |
| 584 | entry: |
| 585 | ; CHECK-LABEL: usubo.br.i64 |
| 586 | ; CHECK: cmpq %rsi, %rdi |
| 587 | ; CHECK-NEXT: jb |
| 588 | %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2) |
| 589 | %val = extractvalue {i64, i1} %t, 0 |
| 590 | %obit = extractvalue {i64, i1} %t, 1 |
| 591 | br i1 %obit, label %overflow, label %continue, !prof !0 |
| 592 | |
| 593 | overflow: |
| 594 | ret i1 false |
| 595 | |
| 596 | continue: |
| 597 | ret i1 true |
| 598 | } |
| 599 | |
| 600 | define zeroext i1 @smulo.br.i32(i32 %v1, i32 %v2) { |
| 601 | entry: |
| 602 | ; CHECK-LABEL: smulo.br.i32 |
| 603 | ; CHECK: imull %esi, %edi |
| 604 | ; CHECK-NEXT: jo |
| 605 | %t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2) |
| 606 | %val = extractvalue {i32, i1} %t, 0 |
| 607 | %obit = extractvalue {i32, i1} %t, 1 |
| 608 | br i1 %obit, label %overflow, label %continue, !prof !0 |
| 609 | |
| 610 | overflow: |
| 611 | ret i1 false |
| 612 | |
| 613 | continue: |
| 614 | ret i1 true |
| 615 | } |
| 616 | |
| 617 | define zeroext i1 @smulo.br.i64(i64 %v1, i64 %v2) { |
| 618 | entry: |
| 619 | ; CHECK-LABEL: smulo.br.i64 |
| 620 | ; CHECK: imulq %rsi, %rdi |
| 621 | ; CHECK-NEXT: jo |
| 622 | %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 %v2) |
| 623 | %val = extractvalue {i64, i1} %t, 0 |
| 624 | %obit = extractvalue {i64, i1} %t, 1 |
| 625 | br i1 %obit, label %overflow, label %continue, !prof !0 |
| 626 | |
| 627 | overflow: |
| 628 | ret i1 false |
| 629 | |
| 630 | continue: |
| 631 | ret i1 true |
| 632 | } |
| 633 | |
| 634 | define zeroext i1 @umulo.br.i32(i32 %v1, i32 %v2) { |
| 635 | entry: |
| 636 | ; CHECK-LABEL: umulo.br.i32 |
| 637 | ; CHECK: mull %esi |
| 638 | ; CHECK-NEXT: jo |
| 639 | %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2) |
| 640 | %val = extractvalue {i32, i1} %t, 0 |
| 641 | %obit = extractvalue {i32, i1} %t, 1 |
| 642 | br i1 %obit, label %overflow, label %continue, !prof !0 |
| 643 | |
| 644 | overflow: |
| 645 | ret i1 false |
| 646 | |
| 647 | continue: |
| 648 | ret i1 true |
| 649 | } |
| 650 | |
| 651 | define zeroext i1 @umulo.br.i64(i64 %v1, i64 %v2) { |
| 652 | entry: |
| 653 | ; CHECK-LABEL: umulo.br.i64 |
| 654 | ; CHECK: mulq %rsi |
| 655 | ; CHECK-NEXT: jo |
| 656 | %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 %v2) |
| 657 | %val = extractvalue {i64, i1} %t, 0 |
| 658 | %obit = extractvalue {i64, i1} %t, 1 |
| 659 | br i1 %obit, label %overflow, label %continue, !prof !0 |
| 660 | |
| 661 | overflow: |
| 662 | ret i1 false |
| 663 | |
| 664 | continue: |
| 665 | ret i1 true |
| 666 | } |
| 667 | |
Juergen Ributzka | 2dace6e | 2014-06-10 23:52:44 +0000 | [diff] [blame] | 668 | declare {i8, i1} @llvm.sadd.with.overflow.i8(i8, i8) nounwind readnone |
| 669 | declare {i16, i1} @llvm.sadd.with.overflow.i16(i16, i16) nounwind readnone |
| 670 | declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32) nounwind readnone |
| 671 | declare {i64, i1} @llvm.sadd.with.overflow.i64(i64, i64) nounwind readnone |
| 672 | declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32) nounwind readnone |
| 673 | declare {i64, i1} @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone |
| 674 | declare {i32, i1} @llvm.ssub.with.overflow.i32(i32, i32) nounwind readnone |
| 675 | declare {i64, i1} @llvm.ssub.with.overflow.i64(i64, i64) nounwind readnone |
| 676 | declare {i32, i1} @llvm.usub.with.overflow.i32(i32, i32) nounwind readnone |
| 677 | declare {i64, i1} @llvm.usub.with.overflow.i64(i64, i64) nounwind readnone |
| 678 | declare {i32, i1} @llvm.smul.with.overflow.i32(i32, i32) nounwind readnone |
| 679 | declare {i64, i1} @llvm.smul.with.overflow.i64(i64, i64) nounwind readnone |
| 680 | declare {i32, i1} @llvm.umul.with.overflow.i32(i32, i32) nounwind readnone |
| 681 | declare {i64, i1} @llvm.umul.with.overflow.i64(i64, i64) nounwind readnone |
| 682 | |
Juergen Ributzka | 2bce27e | 2014-06-24 23:51:21 +0000 | [diff] [blame^] | 683 | !0 = metadata !{metadata !"branch_weights", i32 0, i32 2147483647} |