| blob | 9347e54220220844261876d1d9c9b8d344894a99 |
1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefixes=X64,X64-SSE2
3 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx | FileCheck %s --check-prefixes=X64,X64-AVX,X64-AVX1
4 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx2 | FileCheck %s --check-prefixes=X64,X64-AVX,X64-AVX2
6 ; This tests codegen time inlining/optimization of memcmp
7 ; rdar://6480398
9 @.str = private constant [65 x i8] c"0123456789012345678901234567890123456789012345678901234567890123\00", align 1
11 declare dso_local i32 @memcmp(ptr, ptr, i64)
12 declare dso_local i32 @bcmp(ptr, ptr, i64)
14 define i32 @length2(ptr %X, ptr %Y) nounwind !prof !14 {
15 ; X64-LABEL: length2:
16 ; X64: # %bb.0:
17 ; X64-NEXT: movzwl (%rdi), %eax
18 ; X64-NEXT: movzwl (%rsi), %ecx
19 ; X64-NEXT: rolw $8, %ax
20 ; X64-NEXT: rolw $8, %cx
21 ; X64-NEXT: movzwl %ax, %eax
22 ; X64-NEXT: movzwl %cx, %ecx
23 ; X64-NEXT: subl %ecx, %eax
24 ; X64-NEXT: retq
25 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 2) nounwind
26 ret i32 %m
27 }
29 define i1 @length2_eq(ptr %X, ptr %Y) nounwind !prof !14 {
30 ; X64-LABEL: length2_eq:
31 ; X64: # %bb.0:
32 ; X64-NEXT: movzwl (%rdi), %eax
33 ; X64-NEXT: cmpw (%rsi), %ax
34 ; X64-NEXT: sete %al
35 ; X64-NEXT: retq
36 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 2) nounwind
37 %c = icmp eq i32 %m, 0
38 ret i1 %c
39 }
41 define i1 @length2_eq_const(ptr %X) nounwind !prof !14 {
42 ; X64-LABEL: length2_eq_const:
43 ; X64: # %bb.0:
44 ; X64-NEXT: cmpw $12849, (%rdi) # imm = 0x3231
45 ; X64-NEXT: setne %al
46 ; X64-NEXT: retq
47 %m = tail call i32 @memcmp(ptr %X, ptr getelementptr inbounds ([65 x i8], ptr @.str, i32 0, i32 1), i64 2) nounwind
48 %c = icmp ne i32 %m, 0
49 ret i1 %c
50 }
52 define i1 @length2_eq_nobuiltin_attr(ptr %X, ptr %Y) nounwind !prof !14 {
53 ; X64-LABEL: length2_eq_nobuiltin_attr:
54 ; X64: # %bb.0:
55 ; X64-NEXT: pushq %rax
56 ; X64-NEXT: movl $2, %edx
57 ; X64-NEXT: callq memcmp
58 ; X64-NEXT: testl %eax, %eax
59 ; X64-NEXT: sete %al
60 ; X64-NEXT: popq %rcx
61 ; X64-NEXT: retq
62 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 2) nounwind nobuiltin
63 %c = icmp eq i32 %m, 0
64 ret i1 %c
65 }
67 define i32 @length3(ptr %X, ptr %Y) nounwind !prof !14 {
68 ; X64-LABEL: length3:
69 ; X64: # %bb.0:
70 ; X64-NEXT: movzwl (%rdi), %ecx
71 ; X64-NEXT: movzwl (%rsi), %edx
72 ; X64-NEXT: rolw $8, %cx
73 ; X64-NEXT: rolw $8, %dx
74 ; X64-NEXT: cmpw %dx, %cx
75 ; X64-NEXT: jne .LBB4_3
76 ; X64-NEXT: # %bb.1: # %loadbb1
77 ; X64-NEXT: movzbl 2(%rdi), %eax
78 ; X64-NEXT: movzbl 2(%rsi), %ecx
79 ; X64-NEXT: subl %ecx, %eax
80 ; X64-NEXT: retq
81 ; X64-NEXT: .LBB4_3: # %res_block
82 ; X64-NEXT: xorl %eax, %eax
83 ; X64-NEXT: cmpw %dx, %cx
84 ; X64-NEXT: sbbl %eax, %eax
85 ; X64-NEXT: orl $1, %eax
86 ; X64-NEXT: retq
87 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 3) nounwind
88 ret i32 %m
89 }
91 define i1 @length3_eq(ptr %X, ptr %Y) nounwind !prof !14 {
92 ; X64-LABEL: length3_eq:
93 ; X64: # %bb.0:
94 ; X64-NEXT: movzwl (%rdi), %eax
95 ; X64-NEXT: xorw (%rsi), %ax
96 ; X64-NEXT: movb 2(%rdi), %cl
97 ; X64-NEXT: xorb 2(%rsi), %cl
98 ; X64-NEXT: movzbl %cl, %ecx
99 ; X64-NEXT: orw %ax, %cx
100 ; X64-NEXT: setne %al
101 ; X64-NEXT: retq
102 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 3) nounwind
103 %c = icmp ne i32 %m, 0
104 ret i1 %c
105 }
107 define i32 @length4(ptr %X, ptr %Y) nounwind !prof !14 {
108 ; X64-LABEL: length4:
109 ; X64: # %bb.0:
110 ; X64-NEXT: movl (%rdi), %ecx
111 ; X64-NEXT: movl (%rsi), %edx
112 ; X64-NEXT: bswapl %ecx
113 ; X64-NEXT: bswapl %edx
114 ; X64-NEXT: xorl %eax, %eax
115 ; X64-NEXT: cmpl %edx, %ecx
116 ; X64-NEXT: seta %al
117 ; X64-NEXT: sbbl $0, %eax
118 ; X64-NEXT: retq
119 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 4) nounwind
120 ret i32 %m
121 }
123 define i1 @length4_eq(ptr %X, ptr %Y) nounwind !prof !14 {
124 ; X64-LABEL: length4_eq:
125 ; X64: # %bb.0:
126 ; X64-NEXT: movl (%rdi), %eax
127 ; X64-NEXT: cmpl (%rsi), %eax
128 ; X64-NEXT: setne %al
129 ; X64-NEXT: retq
130 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 4) nounwind
131 %c = icmp ne i32 %m, 0
132 ret i1 %c
133 }
135 define i1 @length4_eq_const(ptr %X) nounwind !prof !14 {
136 ; X64-LABEL: length4_eq_const:
137 ; X64: # %bb.0:
138 ; X64-NEXT: cmpl $875770417, (%rdi) # imm = 0x34333231
139 ; X64-NEXT: sete %al
140 ; X64-NEXT: retq
141 %m = tail call i32 @memcmp(ptr %X, ptr getelementptr inbounds ([65 x i8], ptr @.str, i32 0, i32 1), i64 4) nounwind
142 %c = icmp eq i32 %m, 0
143 ret i1 %c
144 }
146 define i32 @length5(ptr %X, ptr %Y) nounwind !prof !14 {
147 ; X64-LABEL: length5:
148 ; X64: # %bb.0:
149 ; X64-NEXT: movl (%rdi), %ecx
150 ; X64-NEXT: movl (%rsi), %edx
151 ; X64-NEXT: bswapl %ecx
152 ; X64-NEXT: bswapl %edx
153 ; X64-NEXT: cmpl %edx, %ecx
154 ; X64-NEXT: jne .LBB9_3
155 ; X64-NEXT: # %bb.1: # %loadbb1
156 ; X64-NEXT: movzbl 4(%rdi), %eax
157 ; X64-NEXT: movzbl 4(%rsi), %ecx
158 ; X64-NEXT: subl %ecx, %eax
159 ; X64-NEXT: retq
160 ; X64-NEXT: .LBB9_3: # %res_block
161 ; X64-NEXT: xorl %eax, %eax
162 ; X64-NEXT: cmpl %edx, %ecx
163 ; X64-NEXT: sbbl %eax, %eax
164 ; X64-NEXT: orl $1, %eax
165 ; X64-NEXT: retq
166 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 5) nounwind
167 ret i32 %m
168 }
170 define i1 @length5_eq(ptr %X, ptr %Y) nounwind !prof !14 {
171 ; X64-LABEL: length5_eq:
172 ; X64: # %bb.0:
173 ; X64-NEXT: movl (%rdi), %eax
174 ; X64-NEXT: xorl (%rsi), %eax
175 ; X64-NEXT: movb 4(%rdi), %cl
176 ; X64-NEXT: xorb 4(%rsi), %cl
177 ; X64-NEXT: movzbl %cl, %ecx
178 ; X64-NEXT: orl %eax, %ecx
179 ; X64-NEXT: setne %al
180 ; X64-NEXT: retq
181 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 5) nounwind
182 %c = icmp ne i32 %m, 0
183 ret i1 %c
184 }
186 define i32 @length8(ptr %X, ptr %Y) nounwind !prof !14 {
187 ; X64-LABEL: length8:
188 ; X64: # %bb.0:
189 ; X64-NEXT: movq (%rdi), %rcx
190 ; X64-NEXT: movq (%rsi), %rdx
191 ; X64-NEXT: bswapq %rcx
192 ; X64-NEXT: bswapq %rdx
193 ; X64-NEXT: xorl %eax, %eax
194 ; X64-NEXT: cmpq %rdx, %rcx
195 ; X64-NEXT: seta %al
196 ; X64-NEXT: sbbl $0, %eax
197 ; X64-NEXT: retq
198 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 8) nounwind
199 ret i32 %m
200 }
202 define i1 @length8_eq(ptr %X, ptr %Y) nounwind !prof !14 {
203 ; X64-LABEL: length8_eq:
204 ; X64: # %bb.0:
205 ; X64-NEXT: movq (%rdi), %rax
206 ; X64-NEXT: cmpq (%rsi), %rax
207 ; X64-NEXT: sete %al
208 ; X64-NEXT: retq
209 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 8) nounwind
210 %c = icmp eq i32 %m, 0
211 ret i1 %c
212 }
214 define i1 @length8_eq_const(ptr %X) nounwind !prof !14 {
215 ; X64-LABEL: length8_eq_const:
216 ; X64: # %bb.0:
217 ; X64-NEXT: movabsq $3978425819141910832, %rax # imm = 0x3736353433323130
218 ; X64-NEXT: cmpq %rax, (%rdi)
219 ; X64-NEXT: setne %al
220 ; X64-NEXT: retq
221 %m = tail call i32 @memcmp(ptr %X, ptr @.str, i64 8) nounwind
222 %c = icmp ne i32 %m, 0
223 ret i1 %c
224 }
226 define i1 @length12_eq(ptr %X, ptr %Y) nounwind !prof !14 {
227 ; X64-LABEL: length12_eq:
228 ; X64: # %bb.0:
229 ; X64-NEXT: movq (%rdi), %rax
230 ; X64-NEXT: xorq (%rsi), %rax
231 ; X64-NEXT: movl 8(%rdi), %ecx
232 ; X64-NEXT: xorl 8(%rsi), %ecx
233 ; X64-NEXT: orq %rax, %rcx
234 ; X64-NEXT: setne %al
235 ; X64-NEXT: retq
236 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 12) nounwind
237 %c = icmp ne i32 %m, 0
238 ret i1 %c
239 }
241 define i32 @length12(ptr %X, ptr %Y) nounwind !prof !14 {
242 ; X64-LABEL: length12:
243 ; X64: # %bb.0:
244 ; X64-NEXT: movq (%rdi), %rcx
245 ; X64-NEXT: movq (%rsi), %rdx
246 ; X64-NEXT: bswapq %rcx
247 ; X64-NEXT: bswapq %rdx
248 ; X64-NEXT: cmpq %rdx, %rcx
249 ; X64-NEXT: jne .LBB15_2
250 ; X64-NEXT: # %bb.1: # %loadbb1
251 ; X64-NEXT: movl 8(%rdi), %ecx
252 ; X64-NEXT: movl 8(%rsi), %edx
253 ; X64-NEXT: bswapl %ecx
254 ; X64-NEXT: bswapl %edx
255 ; X64-NEXT: xorl %eax, %eax
256 ; X64-NEXT: cmpq %rdx, %rcx
257 ; X64-NEXT: je .LBB15_3
258 ; X64-NEXT: .LBB15_2: # %res_block
259 ; X64-NEXT: xorl %eax, %eax
260 ; X64-NEXT: cmpq %rdx, %rcx
261 ; X64-NEXT: sbbl %eax, %eax
262 ; X64-NEXT: orl $1, %eax
263 ; X64-NEXT: .LBB15_3: # %endblock
264 ; X64-NEXT: retq
265 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 12) nounwind
266 ret i32 %m
267 }
269 ; PR33329 - https://bugs.llvm.org/show_bug.cgi?id=33329
271 define i32 @length16(ptr %X, ptr %Y) nounwind !prof !14 {
272 ; X64-LABEL: length16:
273 ; X64: # %bb.0:
274 ; X64-NEXT: movq (%rdi), %rcx
275 ; X64-NEXT: movq (%rsi), %rdx
276 ; X64-NEXT: bswapq %rcx
277 ; X64-NEXT: bswapq %rdx
278 ; X64-NEXT: cmpq %rdx, %rcx
279 ; X64-NEXT: jne .LBB16_2
280 ; X64-NEXT: # %bb.1: # %loadbb1
281 ; X64-NEXT: movq 8(%rdi), %rcx
282 ; X64-NEXT: movq 8(%rsi), %rdx
283 ; X64-NEXT: bswapq %rcx
284 ; X64-NEXT: bswapq %rdx
285 ; X64-NEXT: xorl %eax, %eax
286 ; X64-NEXT: cmpq %rdx, %rcx
287 ; X64-NEXT: je .LBB16_3
288 ; X64-NEXT: .LBB16_2: # %res_block
289 ; X64-NEXT: xorl %eax, %eax
290 ; X64-NEXT: cmpq %rdx, %rcx
291 ; X64-NEXT: sbbl %eax, %eax
292 ; X64-NEXT: orl $1, %eax
293 ; X64-NEXT: .LBB16_3: # %endblock
294 ; X64-NEXT: retq
295 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 16) nounwind
296 ret i32 %m
297 }
299 define i1 @length16_eq(ptr %x, ptr %y) nounwind !prof !14 {
300 ; X64-SSE2-LABEL: length16_eq:
301 ; X64-SSE2: # %bb.0:
302 ; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
303 ; X64-SSE2-NEXT: movdqu (%rsi), %xmm1
304 ; X64-SSE2-NEXT: pcmpeqb %xmm0, %xmm1
305 ; X64-SSE2-NEXT: pmovmskb %xmm1, %eax
306 ; X64-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
307 ; X64-SSE2-NEXT: setne %al
308 ; X64-SSE2-NEXT: retq
309 ;
310 ; X64-AVX-LABEL: length16_eq:
311 ; X64-AVX: # %bb.0:
312 ; X64-AVX-NEXT: vmovdqu (%rdi), %xmm0
313 ; X64-AVX-NEXT: vpxor (%rsi), %xmm0, %xmm0
314 ; X64-AVX-NEXT: vptest %xmm0, %xmm0
315 ; X64-AVX-NEXT: setne %al
316 ; X64-AVX-NEXT: retq
317 %call = tail call i32 @memcmp(ptr %x, ptr %y, i64 16) nounwind
318 %cmp = icmp ne i32 %call, 0
319 ret i1 %cmp
320 }
322 define i1 @length16_eq_const(ptr %X) nounwind !prof !14 {
323 ; X64-SSE2-LABEL: length16_eq_const:
324 ; X64-SSE2: # %bb.0:
325 ; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
326 ; X64-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
327 ; X64-SSE2-NEXT: pmovmskb %xmm0, %eax
328 ; X64-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
329 ; X64-SSE2-NEXT: sete %al
330 ; X64-SSE2-NEXT: retq
331 ;
332 ; X64-AVX-LABEL: length16_eq_const:
333 ; X64-AVX: # %bb.0:
334 ; X64-AVX-NEXT: vmovdqu (%rdi), %xmm0
335 ; X64-AVX-NEXT: vpxor {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
336 ; X64-AVX-NEXT: vptest %xmm0, %xmm0
337 ; X64-AVX-NEXT: sete %al
338 ; X64-AVX-NEXT: retq
339 %m = tail call i32 @memcmp(ptr %X, ptr @.str, i64 16) nounwind
340 %c = icmp eq i32 %m, 0
341 ret i1 %c
342 }
344 ; PR33914 - https://bugs.llvm.org/show_bug.cgi?id=33914
346 define i32 @length24(ptr %X, ptr %Y) nounwind !prof !14 {
347 ; X64-LABEL: length24:
348 ; X64: # %bb.0:
349 ; X64-NEXT: movl $24, %edx
350 ; X64-NEXT: jmp memcmp # TAILCALL
351 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 24) nounwind
352 ret i32 %m
353 }
355 define i1 @length24_eq(ptr %x, ptr %y) nounwind !prof !14 {
356 ; X64-SSE2-LABEL: length24_eq:
357 ; X64-SSE2: # %bb.0:
358 ; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
359 ; X64-SSE2-NEXT: movdqu (%rsi), %xmm1
360 ; X64-SSE2-NEXT: pcmpeqb %xmm0, %xmm1
361 ; X64-SSE2-NEXT: movq {{.*#+}} xmm0 = mem[0],zero
362 ; X64-SSE2-NEXT: movq {{.*#+}} xmm2 = mem[0],zero
363 ; X64-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
364 ; X64-SSE2-NEXT: pand %xmm1, %xmm2
365 ; X64-SSE2-NEXT: pmovmskb %xmm2, %eax
366 ; X64-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
367 ; X64-SSE2-NEXT: sete %al
368 ; X64-SSE2-NEXT: retq
369 ;
370 ; X64-AVX-LABEL: length24_eq:
371 ; X64-AVX: # %bb.0:
372 ; X64-AVX-NEXT: vmovdqu (%rdi), %xmm0
373 ; X64-AVX-NEXT: vmovq {{.*#+}} xmm1 = mem[0],zero
374 ; X64-AVX-NEXT: vmovq {{.*#+}} xmm2 = mem[0],zero
375 ; X64-AVX-NEXT: vpxor %xmm2, %xmm1, %xmm1
376 ; X64-AVX-NEXT: vpxor (%rsi), %xmm0, %xmm0
377 ; X64-AVX-NEXT: vpor %xmm0, %xmm1, %xmm0
378 ; X64-AVX-NEXT: vptest %xmm0, %xmm0
379 ; X64-AVX-NEXT: sete %al
380 ; X64-AVX-NEXT: retq
381 %call = tail call i32 @memcmp(ptr %x, ptr %y, i64 24) nounwind
382 %cmp = icmp eq i32 %call, 0
383 ret i1 %cmp
384 }
386 define i1 @length24_eq_const(ptr %X) nounwind !prof !14 {
387 ; X64-SSE2-LABEL: length24_eq_const:
388 ; X64-SSE2: # %bb.0:
389 ; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
390 ; X64-SSE2-NEXT: movq {{.*#+}} xmm1 = mem[0],zero
391 ; X64-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1
392 ; X64-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
393 ; X64-SSE2-NEXT: pand %xmm1, %xmm0
394 ; X64-SSE2-NEXT: pmovmskb %xmm0, %eax
395 ; X64-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
396 ; X64-SSE2-NEXT: setne %al
397 ; X64-SSE2-NEXT: retq
398 ;
399 ; X64-AVX-LABEL: length24_eq_const:
400 ; X64-AVX: # %bb.0:
401 ; X64-AVX-NEXT: vmovdqu (%rdi), %xmm0
402 ; X64-AVX-NEXT: vmovq {{.*#+}} xmm1 = mem[0],zero
403 ; X64-AVX-NEXT: vpxor {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1, %xmm1
404 ; X64-AVX-NEXT: vpxor {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
405 ; X64-AVX-NEXT: vpor %xmm1, %xmm0, %xmm0
406 ; X64-AVX-NEXT: vptest %xmm0, %xmm0
407 ; X64-AVX-NEXT: setne %al
408 ; X64-AVX-NEXT: retq
409 %m = tail call i32 @memcmp(ptr %X, ptr @.str, i64 24) nounwind
410 %c = icmp ne i32 %m, 0
411 ret i1 %c
412 }
414 define i32 @length32(ptr %X, ptr %Y) nounwind !prof !14 {
415 ; X64-LABEL: length32:
416 ; X64: # %bb.0:
417 ; X64-NEXT: movl $32, %edx
418 ; X64-NEXT: jmp memcmp # TAILCALL
419 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 32) nounwind
420 ret i32 %m
421 }
423 ; PR33325 - https://bugs.llvm.org/show_bug.cgi?id=33325
425 define i1 @length32_eq(ptr %x, ptr %y) nounwind !prof !14 {
426 ; X64-SSE2-LABEL: length32_eq:
427 ; X64-SSE2: # %bb.0:
428 ; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
429 ; X64-SSE2-NEXT: movdqu 16(%rdi), %xmm1
430 ; X64-SSE2-NEXT: movdqu (%rsi), %xmm2
431 ; X64-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
432 ; X64-SSE2-NEXT: movdqu 16(%rsi), %xmm0
433 ; X64-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
434 ; X64-SSE2-NEXT: pand %xmm2, %xmm0
435 ; X64-SSE2-NEXT: pmovmskb %xmm0, %eax
436 ; X64-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
437 ; X64-SSE2-NEXT: sete %al
438 ; X64-SSE2-NEXT: retq
439 ;
440 ; X64-AVX1-LABEL: length32_eq:
441 ; X64-AVX1: # %bb.0:
442 ; X64-AVX1-NEXT: vmovups (%rdi), %ymm0
443 ; X64-AVX1-NEXT: vxorps (%rsi), %ymm0, %ymm0
444 ; X64-AVX1-NEXT: vptest %ymm0, %ymm0
445 ; X64-AVX1-NEXT: sete %al
446 ; X64-AVX1-NEXT: vzeroupper
447 ; X64-AVX1-NEXT: retq
448 ;
449 ; X64-AVX2-LABEL: length32_eq:
450 ; X64-AVX2: # %bb.0:
451 ; X64-AVX2-NEXT: vmovdqu (%rdi), %ymm0
452 ; X64-AVX2-NEXT: vpxor (%rsi), %ymm0, %ymm0
453 ; X64-AVX2-NEXT: vptest %ymm0, %ymm0
454 ; X64-AVX2-NEXT: sete %al
455 ; X64-AVX2-NEXT: vzeroupper
456 ; X64-AVX2-NEXT: retq
457 %call = tail call i32 @memcmp(ptr %x, ptr %y, i64 32) nounwind
458 %cmp = icmp eq i32 %call, 0
459 ret i1 %cmp
460 }
462 define i1 @length32_eq_const(ptr %X) nounwind !prof !14 {
463 ; X64-SSE2-LABEL: length32_eq_const:
464 ; X64-SSE2: # %bb.0:
465 ; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
466 ; X64-SSE2-NEXT: movdqu 16(%rdi), %xmm1
467 ; X64-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1
468 ; X64-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
469 ; X64-SSE2-NEXT: pand %xmm1, %xmm0
470 ; X64-SSE2-NEXT: pmovmskb %xmm0, %eax
471 ; X64-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
472 ; X64-SSE2-NEXT: setne %al
473 ; X64-SSE2-NEXT: retq
474 ;
475 ; X64-AVX1-LABEL: length32_eq_const:
476 ; X64-AVX1: # %bb.0:
477 ; X64-AVX1-NEXT: vmovups (%rdi), %ymm0
478 ; X64-AVX1-NEXT: vxorps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
479 ; X64-AVX1-NEXT: vptest %ymm0, %ymm0
480 ; X64-AVX1-NEXT: setne %al
481 ; X64-AVX1-NEXT: vzeroupper
482 ; X64-AVX1-NEXT: retq
483 ;
484 ; X64-AVX2-LABEL: length32_eq_const:
485 ; X64-AVX2: # %bb.0:
486 ; X64-AVX2-NEXT: vmovdqu (%rdi), %ymm0
487 ; X64-AVX2-NEXT: vpxor {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
488 ; X64-AVX2-NEXT: vptest %ymm0, %ymm0
489 ; X64-AVX2-NEXT: setne %al
490 ; X64-AVX2-NEXT: vzeroupper
491 ; X64-AVX2-NEXT: retq
492 %m = tail call i32 @memcmp(ptr %X, ptr @.str, i64 32) nounwind
493 %c = icmp ne i32 %m, 0
494 ret i1 %c
495 }
497 define i32 @length64(ptr %X, ptr %Y) nounwind !prof !14 {
498 ; X64-LABEL: length64:
499 ; X64: # %bb.0:
500 ; X64-NEXT: movl $64, %edx
501 ; X64-NEXT: jmp memcmp # TAILCALL
502 %m = tail call i32 @memcmp(ptr %X, ptr %Y, i64 64) nounwind
503 ret i32 %m
504 }
506 define i1 @length64_eq(ptr %x, ptr %y) nounwind !prof !14 {
507 ; X64-SSE2-LABEL: length64_eq:
508 ; X64-SSE2: # %bb.0:
509 ; X64-SSE2-NEXT: pushq %rax
510 ; X64-SSE2-NEXT: movl $64, %edx
511 ; X64-SSE2-NEXT: callq memcmp
512 ; X64-SSE2-NEXT: testl %eax, %eax
513 ; X64-SSE2-NEXT: setne %al
514 ; X64-SSE2-NEXT: popq %rcx
515 ; X64-SSE2-NEXT: retq
516 ;
517 ; X64-AVX1-LABEL: length64_eq:
518 ; X64-AVX1: # %bb.0:
519 ; X64-AVX1-NEXT: vmovups (%rdi), %ymm0
520 ; X64-AVX1-NEXT: vmovups 32(%rdi), %ymm1
521 ; X64-AVX1-NEXT: vxorps 32(%rsi), %ymm1, %ymm1
522 ; X64-AVX1-NEXT: vxorps (%rsi), %ymm0, %ymm0
523 ; X64-AVX1-NEXT: vorps %ymm1, %ymm0, %ymm0
524 ; X64-AVX1-NEXT: vptest %ymm0, %ymm0
525 ; X64-AVX1-NEXT: setne %al
526 ; X64-AVX1-NEXT: vzeroupper
527 ; X64-AVX1-NEXT: retq
528 ;
529 ; X64-AVX2-LABEL: length64_eq:
530 ; X64-AVX2: # %bb.0:
531 ; X64-AVX2-NEXT: vmovdqu (%rdi), %ymm0
532 ; X64-AVX2-NEXT: vmovdqu 32(%rdi), %ymm1
533 ; X64-AVX2-NEXT: vpxor 32(%rsi), %ymm1, %ymm1
534 ; X64-AVX2-NEXT: vpxor (%rsi), %ymm0, %ymm0
535 ; X64-AVX2-NEXT: vpor %ymm1, %ymm0, %ymm0
536 ; X64-AVX2-NEXT: vptest %ymm0, %ymm0
537 ; X64-AVX2-NEXT: setne %al
538 ; X64-AVX2-NEXT: vzeroupper
539 ; X64-AVX2-NEXT: retq
540 %call = tail call i32 @memcmp(ptr %x, ptr %y, i64 64) nounwind
541 %cmp = icmp ne i32 %call, 0
542 ret i1 %cmp
543 }
545 define i1 @length64_eq_const(ptr %X) nounwind !prof !14 {
546 ; X64-SSE2-LABEL: length64_eq_const:
547 ; X64-SSE2: # %bb.0:
548 ; X64-SSE2-NEXT: pushq %rax
549 ; X64-SSE2-NEXT: movl $.L.str, %esi
550 ; X64-SSE2-NEXT: movl $64, %edx
551 ; X64-SSE2-NEXT: callq memcmp
552 ; X64-SSE2-NEXT: testl %eax, %eax
553 ; X64-SSE2-NEXT: sete %al
554 ; X64-SSE2-NEXT: popq %rcx
555 ; X64-SSE2-NEXT: retq
556 ;
557 ; X64-AVX1-LABEL: length64_eq_const:
558 ; X64-AVX1: # %bb.0:
559 ; X64-AVX1-NEXT: vmovups (%rdi), %ymm0
560 ; X64-AVX1-NEXT: vmovups 32(%rdi), %ymm1
561 ; X64-AVX1-NEXT: vxorps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
562 ; X64-AVX1-NEXT: vxorps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
563 ; X64-AVX1-NEXT: vorps %ymm1, %ymm0, %ymm0
564 ; X64-AVX1-NEXT: vptest %ymm0, %ymm0
565 ; X64-AVX1-NEXT: sete %al
566 ; X64-AVX1-NEXT: vzeroupper
567 ; X64-AVX1-NEXT: retq
568 ;
569 ; X64-AVX2-LABEL: length64_eq_const:
570 ; X64-AVX2: # %bb.0:
571 ; X64-AVX2-NEXT: vmovdqu (%rdi), %ymm0
572 ; X64-AVX2-NEXT: vmovdqu 32(%rdi), %ymm1
573 ; X64-AVX2-NEXT: vpxor {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
574 ; X64-AVX2-NEXT: vpxor {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
575 ; X64-AVX2-NEXT: vpor %ymm1, %ymm0, %ymm0
576 ; X64-AVX2-NEXT: vptest %ymm0, %ymm0
577 ; X64-AVX2-NEXT: sete %al
578 ; X64-AVX2-NEXT: vzeroupper
579 ; X64-AVX2-NEXT: retq
580 %m = tail call i32 @memcmp(ptr %X, ptr @.str, i64 64) nounwind
581 %c = icmp eq i32 %m, 0
582 ret i1 %c
583 }
585 define i32 @bcmp_length2(ptr %X, ptr %Y) nounwind !prof !14 {
586 ; X64-LABEL: bcmp_length2:
587 ; X64: # %bb.0:
588 ; X64-NEXT: movzwl (%rdi), %ecx
589 ; X64-NEXT: xorl %eax, %eax
590 ; X64-NEXT: cmpw (%rsi), %cx
591 ; X64-NEXT: setne %al
592 ; X64-NEXT: retq
593 %m = tail call i32 @bcmp(ptr %X, ptr %Y, i64 2) nounwind
594 ret i32 %m
595 }
597 !llvm.module.flags = !{!0}
598 !0 = !{i32 1, !"ProfileSummary", !1}
599 !1 = !{!2, !3, !4, !5, !6, !7, !8, !9}
600 !2 = !{!"ProfileFormat", !"InstrProf"}
601 !3 = !{!"TotalCount", i64 10000}
602 !4 = !{!"MaxCount", i64 10}
603 !5 = !{!"MaxInternalCount", i64 1}
604 !6 = !{!"MaxFunctionCount", i64 1000}
605 !7 = !{!"NumCounts", i64 3}
606 !8 = !{!"NumFunctions", i64 3}
607 !9 = !{!"DetailedSummary", !10}
608 !10 = !{!11, !12, !13}
609 !11 = !{i32 10000, i64 100, i32 1}
610 !12 = !{i32 999000, i64 100, i32 1}
611 !13 = !{i32 999999, i64 1, i32 2}
612 !14 = !{!"function_entry_count", i64 0}