Sanjay Patel | 303abb8 | 2017-03-31 17:55:07 +0000 | [diff] [blame^] | 1 | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| 2 | ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s |
| 3 | |
| 4 | define zeroext i1 @all_bits_clear(i32 %P, i32 %Q) nounwind { |
| 5 | ; CHECK-LABEL: all_bits_clear: |
| 6 | ; CHECK: # BB#0: |
| 7 | ; CHECK-NEXT: orl %esi, %edi |
| 8 | ; CHECK-NEXT: sete %al |
| 9 | ; CHECK-NEXT: retq |
| 10 | %a = icmp eq i32 %P, 0 |
| 11 | %b = icmp eq i32 %Q, 0 |
| 12 | %c = and i1 %a, %b |
| 13 | ret i1 %c |
| 14 | } |
| 15 | |
| 16 | define zeroext i1 @all_sign_bits_clear(i32 %P, i32 %Q) nounwind { |
| 17 | ; CHECK-LABEL: all_sign_bits_clear: |
| 18 | ; CHECK: # BB#0: |
| 19 | ; CHECK-NEXT: orl %esi, %edi |
| 20 | ; CHECK-NEXT: setns %al |
| 21 | ; CHECK-NEXT: retq |
| 22 | %a = icmp sgt i32 %P, -1 |
| 23 | %b = icmp sgt i32 %Q, -1 |
| 24 | %c = and i1 %a, %b |
| 25 | ret i1 %c |
| 26 | } |
| 27 | |
| 28 | define zeroext i1 @all_bits_set(i32 %P, i32 %Q) nounwind { |
| 29 | ; CHECK-LABEL: all_bits_set: |
| 30 | ; CHECK: # BB#0: |
| 31 | ; CHECK-NEXT: andl %esi, %edi |
| 32 | ; CHECK-NEXT: cmpl $-1, %edi |
| 33 | ; CHECK-NEXT: sete %al |
| 34 | ; CHECK-NEXT: retq |
| 35 | %a = icmp eq i32 %P, -1 |
| 36 | %b = icmp eq i32 %Q, -1 |
| 37 | %c = and i1 %a, %b |
| 38 | ret i1 %c |
| 39 | } |
| 40 | |
| 41 | define zeroext i1 @all_sign_bits_set(i32 %P, i32 %Q) nounwind { |
| 42 | ; CHECK-LABEL: all_sign_bits_set: |
| 43 | ; CHECK: # BB#0: |
| 44 | ; CHECK-NEXT: testl %edi, %edi |
| 45 | ; CHECK-NEXT: sets %cl |
| 46 | ; CHECK-NEXT: testl %esi, %esi |
| 47 | ; CHECK-NEXT: sets %al |
| 48 | ; CHECK-NEXT: andb %cl, %al |
| 49 | ; CHECK-NEXT: retq |
| 50 | %a = icmp slt i32 %P, 0 |
| 51 | %b = icmp slt i32 %Q, 0 |
| 52 | %c = and i1 %a, %b |
| 53 | ret i1 %c |
| 54 | } |
| 55 | |
| 56 | define zeroext i1 @any_bits_set(i32 %P, i32 %Q) nounwind { |
| 57 | ; CHECK-LABEL: any_bits_set: |
| 58 | ; CHECK: # BB#0: |
| 59 | ; CHECK-NEXT: orl %esi, %edi |
| 60 | ; CHECK-NEXT: setne %al |
| 61 | ; CHECK-NEXT: retq |
| 62 | %a = icmp ne i32 %P, 0 |
| 63 | %b = icmp ne i32 %Q, 0 |
| 64 | %c = or i1 %a, %b |
| 65 | ret i1 %c |
| 66 | } |
| 67 | |
| 68 | define zeroext i1 @any_sign_bits_set(i32 %P, i32 %Q) nounwind { |
| 69 | ; CHECK-LABEL: any_sign_bits_set: |
| 70 | ; CHECK: # BB#0: |
| 71 | ; CHECK-NEXT: orl %esi, %edi |
| 72 | ; CHECK-NEXT: shrl $31, %edi |
| 73 | ; CHECK-NEXT: movl %edi, %eax |
| 74 | ; CHECK-NEXT: retq |
| 75 | %a = icmp slt i32 %P, 0 |
| 76 | %b = icmp slt i32 %Q, 0 |
| 77 | %c = or i1 %a, %b |
| 78 | ret i1 %c |
| 79 | } |
| 80 | |
| 81 | define zeroext i1 @any_bits_clear(i32 %P, i32 %Q) nounwind { |
| 82 | ; CHECK-LABEL: any_bits_clear: |
| 83 | ; CHECK: # BB#0: |
| 84 | ; CHECK-NEXT: andl %esi, %edi |
| 85 | ; CHECK-NEXT: cmpl $-1, %edi |
| 86 | ; CHECK-NEXT: setne %al |
| 87 | ; CHECK-NEXT: retq |
| 88 | %a = icmp ne i32 %P, -1 |
| 89 | %b = icmp ne i32 %Q, -1 |
| 90 | %c = or i1 %a, %b |
| 91 | ret i1 %c |
| 92 | } |
| 93 | |
| 94 | define zeroext i1 @any_sign_bits_clear(i32 %P, i32 %Q) nounwind { |
| 95 | ; CHECK-LABEL: any_sign_bits_clear: |
| 96 | ; CHECK: # BB#0: |
| 97 | ; CHECK-NEXT: testl %esi, %edi |
| 98 | ; CHECK-NEXT: setns %al |
| 99 | ; CHECK-NEXT: retq |
| 100 | %a = icmp sgt i32 %P, -1 |
| 101 | %b = icmp sgt i32 %Q, -1 |
| 102 | %c = or i1 %a, %b |
| 103 | ret i1 %c |
| 104 | } |
| 105 | |
| 106 | ; PR3351 - (P == 0) & (Q == 0) -> (P|Q) == 0 |
| 107 | define i32 @all_bits_clear_branch(i32* %P, i32* %Q) nounwind { |
| 108 | ; CHECK-LABEL: all_bits_clear_branch: |
| 109 | ; CHECK: # BB#0: # %entry |
| 110 | ; CHECK-NEXT: orq %rsi, %rdi |
| 111 | ; CHECK-NEXT: jne .LBB8_2 |
| 112 | ; CHECK-NEXT: # BB#1: # %bb1 |
| 113 | ; CHECK-NEXT: movl $4, %eax |
| 114 | ; CHECK-NEXT: retq |
| 115 | ; CHECK-NEXT: .LBB8_2: # %return |
| 116 | ; CHECK-NEXT: movl $192, %eax |
| 117 | ; CHECK-NEXT: retq |
| 118 | entry: |
| 119 | %a = icmp eq i32* %P, null |
| 120 | %b = icmp eq i32* %Q, null |
| 121 | %c = and i1 %a, %b |
| 122 | br i1 %c, label %bb1, label %return |
| 123 | |
| 124 | bb1: |
| 125 | ret i32 4 |
| 126 | |
| 127 | return: |
| 128 | ret i32 192 |
| 129 | } |
| 130 | |
| 131 | define i32 @all_sign_bits_clear_branch(i32 %P, i32 %Q) nounwind { |
| 132 | ; CHECK-LABEL: all_sign_bits_clear_branch: |
| 133 | ; CHECK: # BB#0: # %entry |
| 134 | ; CHECK-NEXT: testl %edi, %edi |
| 135 | ; CHECK-NEXT: js .LBB9_3 |
| 136 | ; CHECK-NEXT: # BB#1: # %entry |
| 137 | ; CHECK-NEXT: testl %esi, %esi |
| 138 | ; CHECK-NEXT: js .LBB9_3 |
| 139 | ; CHECK-NEXT: # BB#2: # %bb1 |
| 140 | ; CHECK-NEXT: movl $4, %eax |
| 141 | ; CHECK-NEXT: retq |
| 142 | ; CHECK-NEXT: .LBB9_3: # %return |
| 143 | ; CHECK-NEXT: movl $192, %eax |
| 144 | ; CHECK-NEXT: retq |
| 145 | entry: |
| 146 | %a = icmp sgt i32 %P, -1 |
| 147 | %b = icmp sgt i32 %Q, -1 |
| 148 | %c = and i1 %a, %b |
| 149 | br i1 %c, label %bb1, label %return |
| 150 | |
| 151 | bb1: |
| 152 | ret i32 4 |
| 153 | |
| 154 | return: |
| 155 | ret i32 192 |
| 156 | } |
| 157 | |
| 158 | define i32 @all_bits_set_branch(i32 %P, i32 %Q) nounwind { |
| 159 | ; CHECK-LABEL: all_bits_set_branch: |
| 160 | ; CHECK: # BB#0: # %entry |
| 161 | ; CHECK-NEXT: cmpl $-1, %edi |
| 162 | ; CHECK-NEXT: jne .LBB10_3 |
| 163 | ; CHECK-NEXT: # BB#1: # %entry |
| 164 | ; CHECK-NEXT: cmpl $-1, %esi |
| 165 | ; CHECK-NEXT: jne .LBB10_3 |
| 166 | ; CHECK-NEXT: # BB#2: # %bb1 |
| 167 | ; CHECK-NEXT: movl $4, %eax |
| 168 | ; CHECK-NEXT: retq |
| 169 | ; CHECK-NEXT: .LBB10_3: # %return |
| 170 | ; CHECK-NEXT: movl $192, %eax |
| 171 | ; CHECK-NEXT: retq |
| 172 | entry: |
| 173 | %a = icmp eq i32 %P, -1 |
| 174 | %b = icmp eq i32 %Q, -1 |
| 175 | %c = and i1 %a, %b |
| 176 | br i1 %c, label %bb1, label %return |
| 177 | |
| 178 | bb1: |
| 179 | ret i32 4 |
| 180 | |
| 181 | return: |
| 182 | ret i32 192 |
| 183 | } |
| 184 | |
| 185 | define i32 @all_sign_bits_set_branch(i32 %P, i32 %Q) nounwind { |
| 186 | ; CHECK-LABEL: all_sign_bits_set_branch: |
| 187 | ; CHECK: # BB#0: # %entry |
| 188 | ; CHECK-NEXT: testl %edi, %edi |
| 189 | ; CHECK-NEXT: jns .LBB11_3 |
| 190 | ; CHECK-NEXT: # BB#1: # %entry |
| 191 | ; CHECK-NEXT: testl %esi, %esi |
| 192 | ; CHECK-NEXT: jns .LBB11_3 |
| 193 | ; CHECK-NEXT: # BB#2: # %bb1 |
| 194 | ; CHECK-NEXT: movl $4, %eax |
| 195 | ; CHECK-NEXT: retq |
| 196 | ; CHECK-NEXT: .LBB11_3: # %return |
| 197 | ; CHECK-NEXT: movl $192, %eax |
| 198 | ; CHECK-NEXT: retq |
| 199 | entry: |
| 200 | %a = icmp slt i32 %P, 0 |
| 201 | %b = icmp slt i32 %Q, 0 |
| 202 | %c = and i1 %a, %b |
| 203 | br i1 %c, label %bb1, label %return |
| 204 | |
| 205 | bb1: |
| 206 | ret i32 4 |
| 207 | |
| 208 | return: |
| 209 | ret i32 192 |
| 210 | } |
| 211 | |
| 212 | ; PR3351 - (P != 0) | (Q != 0) -> (P|Q) != 0 |
| 213 | define i32 @any_bits_set_branch(i32* %P, i32* %Q) nounwind { |
| 214 | ; CHECK-LABEL: any_bits_set_branch: |
| 215 | ; CHECK: # BB#0: # %entry |
| 216 | ; CHECK-NEXT: orq %rsi, %rdi |
| 217 | ; CHECK-NEXT: je .LBB12_2 |
| 218 | ; CHECK-NEXT: # BB#1: # %bb1 |
| 219 | ; CHECK-NEXT: movl $4, %eax |
| 220 | ; CHECK-NEXT: retq |
| 221 | ; CHECK-NEXT: .LBB12_2: # %return |
| 222 | ; CHECK-NEXT: movl $192, %eax |
| 223 | ; CHECK-NEXT: retq |
| 224 | entry: |
| 225 | %a = icmp ne i32* %P, null |
| 226 | %b = icmp ne i32* %Q, null |
| 227 | %c = or i1 %a, %b |
| 228 | br i1 %c, label %bb1, label %return |
| 229 | |
| 230 | bb1: |
| 231 | ret i32 4 |
| 232 | |
| 233 | return: |
| 234 | ret i32 192 |
| 235 | } |
| 236 | |
| 237 | define i32 @any_sign_bits_set_branch(i32 %P, i32 %Q) nounwind { |
| 238 | ; CHECK-LABEL: any_sign_bits_set_branch: |
| 239 | ; CHECK: # BB#0: # %entry |
| 240 | ; CHECK-NEXT: testl %edi, %edi |
| 241 | ; CHECK-NEXT: js .LBB13_2 |
| 242 | ; CHECK-NEXT: # BB#1: # %entry |
| 243 | ; CHECK-NEXT: testl %esi, %esi |
| 244 | ; CHECK-NEXT: js .LBB13_2 |
| 245 | ; CHECK-NEXT: # BB#3: # %return |
| 246 | ; CHECK-NEXT: movl $192, %eax |
| 247 | ; CHECK-NEXT: retq |
| 248 | ; CHECK-NEXT: .LBB13_2: # %bb1 |
| 249 | ; CHECK-NEXT: movl $4, %eax |
| 250 | ; CHECK-NEXT: retq |
| 251 | entry: |
| 252 | %a = icmp slt i32 %P, 0 |
| 253 | %b = icmp slt i32 %Q, 0 |
| 254 | %c = or i1 %a, %b |
| 255 | br i1 %c, label %bb1, label %return |
| 256 | |
| 257 | bb1: |
| 258 | ret i32 4 |
| 259 | |
| 260 | return: |
| 261 | ret i32 192 |
| 262 | } |
| 263 | |
| 264 | define i32 @any_bits_clear_branch(i32 %P, i32 %Q) nounwind { |
| 265 | ; CHECK-LABEL: any_bits_clear_branch: |
| 266 | ; CHECK: # BB#0: # %entry |
| 267 | ; CHECK-NEXT: cmpl $-1, %edi |
| 268 | ; CHECK-NEXT: jne .LBB14_2 |
| 269 | ; CHECK-NEXT: # BB#1: # %entry |
| 270 | ; CHECK-NEXT: cmpl $-1, %esi |
| 271 | ; CHECK-NEXT: jne .LBB14_2 |
| 272 | ; CHECK-NEXT: # BB#3: # %return |
| 273 | ; CHECK-NEXT: movl $192, %eax |
| 274 | ; CHECK-NEXT: retq |
| 275 | ; CHECK-NEXT: .LBB14_2: # %bb1 |
| 276 | ; CHECK-NEXT: movl $4, %eax |
| 277 | ; CHECK-NEXT: retq |
| 278 | entry: |
| 279 | %a = icmp ne i32 %P, -1 |
| 280 | %b = icmp ne i32 %Q, -1 |
| 281 | %c = or i1 %a, %b |
| 282 | br i1 %c, label %bb1, label %return |
| 283 | |
| 284 | bb1: |
| 285 | ret i32 4 |
| 286 | |
| 287 | return: |
| 288 | ret i32 192 |
| 289 | } |
| 290 | |
| 291 | define i32 @any_sign_bits_clear_branch(i32 %P, i32 %Q) nounwind { |
| 292 | ; CHECK-LABEL: any_sign_bits_clear_branch: |
| 293 | ; CHECK: # BB#0: # %entry |
| 294 | ; CHECK-NEXT: testl %edi, %edi |
| 295 | ; CHECK-NEXT: jns .LBB15_2 |
| 296 | ; CHECK-NEXT: # BB#1: # %entry |
| 297 | ; CHECK-NEXT: testl %esi, %esi |
| 298 | ; CHECK-NEXT: jns .LBB15_2 |
| 299 | ; CHECK-NEXT: # BB#3: # %return |
| 300 | ; CHECK-NEXT: movl $192, %eax |
| 301 | ; CHECK-NEXT: retq |
| 302 | ; CHECK-NEXT: .LBB15_2: # %bb1 |
| 303 | ; CHECK-NEXT: movl $4, %eax |
| 304 | ; CHECK-NEXT: retq |
| 305 | entry: |
| 306 | %a = icmp sgt i32 %P, -1 |
| 307 | %b = icmp sgt i32 %Q, -1 |
| 308 | %c = or i1 %a, %b |
| 309 | br i1 %c, label %bb1, label %return |
| 310 | |
| 311 | bb1: |
| 312 | ret i32 4 |
| 313 | |
| 314 | return: |
| 315 | ret i32 192 |
| 316 | } |
| 317 | |
| 318 | define zeroext i1 @ne_neg1_and_ne_zero(i64 %x) nounwind { |
| 319 | ; CHECK-LABEL: ne_neg1_and_ne_zero: |
| 320 | ; CHECK: # BB#0: |
| 321 | ; CHECK-NEXT: incq %rdi |
| 322 | ; CHECK-NEXT: cmpq $1, %rdi |
| 323 | ; CHECK-NEXT: seta %al |
| 324 | ; CHECK-NEXT: retq |
| 325 | %cmp1 = icmp ne i64 %x, -1 |
| 326 | %cmp2 = icmp ne i64 %x, 0 |
| 327 | %and = and i1 %cmp1, %cmp2 |
| 328 | ret i1 %and |
| 329 | } |
| 330 | |
| 331 | ; PR32401 - https://bugs.llvm.org/show_bug.cgi?id=32401 |
| 332 | |
| 333 | define zeroext i1 @cmpeq_logical(i8 %a, i8 %b, i8 %c, i8 %d) nounwind { |
| 334 | ; CHECK-LABEL: cmpeq_logical: |
| 335 | ; CHECK: # BB#0: |
| 336 | ; CHECK-NEXT: cmpb %sil, %dil |
| 337 | ; CHECK-NEXT: sete %sil |
| 338 | ; CHECK-NEXT: cmpb %cl, %dl |
| 339 | ; CHECK-NEXT: sete %al |
| 340 | ; CHECK-NEXT: andb %sil, %al |
| 341 | ; CHECK-NEXT: retq |
| 342 | %cmp1 = icmp eq i8 %a, %b |
| 343 | %cmp2 = icmp eq i8 %c, %d |
| 344 | %and = and i1 %cmp1, %cmp2 |
| 345 | ret i1 %and |
| 346 | } |
| 347 | |