xref: /llvm-project/llvm/test/CodeGen/X86/memset-zero.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280) 
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i686-unknown-linux | FileCheck %s --check-prefix=X86
3; RUN: llc < %s -mtriple=x86_64-unknown-linux -mcpu=core2 | FileCheck %s --check-prefix=CORE2
4; RUN: llc < %s -mtriple=x86_64-unknown-linux -mcpu=nehalem | FileCheck %s --check-prefix=NEHALEM
5; RUN: llc < %s -mtriple=x86_64-unknown-linux -mcpu=sandybridge | FileCheck %s --check-prefix=SANDYBRIDGE
6; RUN: llc < %s -mtriple=x86_64-unknown-linux -mcpu=skylake | FileCheck %s --check-prefix=SKYLAKE
7; RUN: llc < %s -mtriple=x86_64-unknown-linux -mcpu=knl | FileCheck %s --check-prefix=KNL
8
9
10declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1) nounwind
11
12define void @memset_0(ptr %a) nounwind  {
13; X86-LABEL: memset_0:
14; X86:       # %bb.0: # %entry
15; X86-NEXT:    retl
16;
17; CORE2-LABEL: memset_0:
18; CORE2:       # %bb.0: # %entry
19; CORE2-NEXT:    retq
20;
21; NEHALEM-LABEL: memset_0:
22; NEHALEM:       # %bb.0: # %entry
23; NEHALEM-NEXT:    retq
24;
25; SANDYBRIDGE-LABEL: memset_0:
26; SANDYBRIDGE:       # %bb.0: # %entry
27; SANDYBRIDGE-NEXT:    retq
28;
29; SKYLAKE-LABEL: memset_0:
30; SKYLAKE:       # %bb.0: # %entry
31; SKYLAKE-NEXT:    retq
32;
33; KNL-LABEL: memset_0:
34; KNL:       # %bb.0: # %entry
35; KNL-NEXT:    retq
36entry:
37	call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 0, i1 false)
38	ret void
39}
40
41define void @memset_4(ptr %a) nounwind  {
42; X86-LABEL: memset_4:
43; X86:       # %bb.0: # %entry
44; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
45; X86-NEXT:    movl $0, (%eax)
46; X86-NEXT:    retl
47;
48; CORE2-LABEL: memset_4:
49; CORE2:       # %bb.0: # %entry
50; CORE2-NEXT:    movl $0, (%rdi)
51; CORE2-NEXT:    retq
52;
53; NEHALEM-LABEL: memset_4:
54; NEHALEM:       # %bb.0: # %entry
55; NEHALEM-NEXT:    movl $0, (%rdi)
56; NEHALEM-NEXT:    retq
57;
58; SANDYBRIDGE-LABEL: memset_4:
59; SANDYBRIDGE:       # %bb.0: # %entry
60; SANDYBRIDGE-NEXT:    movl $0, (%rdi)
61; SANDYBRIDGE-NEXT:    retq
62;
63; SKYLAKE-LABEL: memset_4:
64; SKYLAKE:       # %bb.0: # %entry
65; SKYLAKE-NEXT:    movl $0, (%rdi)
66; SKYLAKE-NEXT:    retq
67;
68; KNL-LABEL: memset_4:
69; KNL:       # %bb.0: # %entry
70; KNL-NEXT:    movl $0, (%rdi)
71; KNL-NEXT:    retq
72entry:
73	call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 4, i1 false)
74	ret void
75}
76
77define void @memset_5(ptr %a) nounwind  {
78; X86-LABEL: memset_5:
79; X86:       # %bb.0: # %entry
80; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
81; X86-NEXT:    movb $0, 4(%eax)
82; X86-NEXT:    movl $0, (%eax)
83; X86-NEXT:    retl
84;
85; CORE2-LABEL: memset_5:
86; CORE2:       # %bb.0: # %entry
87; CORE2-NEXT:    movb $0, 4(%rdi)
88; CORE2-NEXT:    movl $0, (%rdi)
89; CORE2-NEXT:    retq
90;
91; NEHALEM-LABEL: memset_5:
92; NEHALEM:       # %bb.0: # %entry
93; NEHALEM-NEXT:    movb $0, 4(%rdi)
94; NEHALEM-NEXT:    movl $0, (%rdi)
95; NEHALEM-NEXT:    retq
96;
97; SANDYBRIDGE-LABEL: memset_5:
98; SANDYBRIDGE:       # %bb.0: # %entry
99; SANDYBRIDGE-NEXT:    movb $0, 4(%rdi)
100; SANDYBRIDGE-NEXT:    movl $0, (%rdi)
101; SANDYBRIDGE-NEXT:    retq
102;
103; SKYLAKE-LABEL: memset_5:
104; SKYLAKE:       # %bb.0: # %entry
105; SKYLAKE-NEXT:    movb $0, 4(%rdi)
106; SKYLAKE-NEXT:    movl $0, (%rdi)
107; SKYLAKE-NEXT:    retq
108;
109; KNL-LABEL: memset_5:
110; KNL:       # %bb.0: # %entry
111; KNL-NEXT:    movb $0, 4(%rdi)
112; KNL-NEXT:    movl $0, (%rdi)
113; KNL-NEXT:    retq
114entry:
115	call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 5, i1 false)
116	ret void
117}
118
119define void @memset_7(ptr %a) nounwind  {
120; X86-LABEL: memset_7:
121; X86:       # %bb.0: # %entry
122; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
123; X86-NEXT:    movl $0, 3(%eax)
124; X86-NEXT:    movl $0, (%eax)
125; X86-NEXT:    retl
126;
127; CORE2-LABEL: memset_7:
128; CORE2:       # %bb.0: # %entry
129; CORE2-NEXT:    movl $0, 3(%rdi)
130; CORE2-NEXT:    movl $0, (%rdi)
131; CORE2-NEXT:    retq
132;
133; NEHALEM-LABEL: memset_7:
134; NEHALEM:       # %bb.0: # %entry
135; NEHALEM-NEXT:    movl $0, 3(%rdi)
136; NEHALEM-NEXT:    movl $0, (%rdi)
137; NEHALEM-NEXT:    retq
138;
139; SANDYBRIDGE-LABEL: memset_7:
140; SANDYBRIDGE:       # %bb.0: # %entry
141; SANDYBRIDGE-NEXT:    movl $0, 3(%rdi)
142; SANDYBRIDGE-NEXT:    movl $0, (%rdi)
143; SANDYBRIDGE-NEXT:    retq
144;
145; SKYLAKE-LABEL: memset_7:
146; SKYLAKE:       # %bb.0: # %entry
147; SKYLAKE-NEXT:    movl $0, 3(%rdi)
148; SKYLAKE-NEXT:    movl $0, (%rdi)
149; SKYLAKE-NEXT:    retq
150;
151; KNL-LABEL: memset_7:
152; KNL:       # %bb.0: # %entry
153; KNL-NEXT:    movl $0, 3(%rdi)
154; KNL-NEXT:    movl $0, (%rdi)
155; KNL-NEXT:    retq
156entry:
157	call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 7, i1 false)
158	ret void
159}
160
161define void @memset_8(ptr %a) nounwind  {
162; X86-LABEL: memset_8:
163; X86:       # %bb.0: # %entry
164; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
165; X86-NEXT:    movl $0, 4(%eax)
166; X86-NEXT:    movl $0, (%eax)
167; X86-NEXT:    retl
168;
169; CORE2-LABEL: memset_8:
170; CORE2:       # %bb.0: # %entry
171; CORE2-NEXT:    movq $0, (%rdi)
172; CORE2-NEXT:    retq
173;
174; NEHALEM-LABEL: memset_8:
175; NEHALEM:       # %bb.0: # %entry
176; NEHALEM-NEXT:    movq $0, (%rdi)
177; NEHALEM-NEXT:    retq
178;
179; SANDYBRIDGE-LABEL: memset_8:
180; SANDYBRIDGE:       # %bb.0: # %entry
181; SANDYBRIDGE-NEXT:    movq $0, (%rdi)
182; SANDYBRIDGE-NEXT:    retq
183;
184; SKYLAKE-LABEL: memset_8:
185; SKYLAKE:       # %bb.0: # %entry
186; SKYLAKE-NEXT:    movq $0, (%rdi)
187; SKYLAKE-NEXT:    retq
188;
189; KNL-LABEL: memset_8:
190; KNL:       # %bb.0: # %entry
191; KNL-NEXT:    movq $0, (%rdi)
192; KNL-NEXT:    retq
193entry:
194	call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 8, i1 false)
195	ret void
196}
197
198define void @memset_11(ptr %a) nounwind  {
199; X86-LABEL: memset_11:
200; X86:       # %bb.0: # %entry
201; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
202; X86-NEXT:    movl $0, 7(%eax)
203; X86-NEXT:    movl $0, 4(%eax)
204; X86-NEXT:    movl $0, (%eax)
205; X86-NEXT:    retl
206;
207; CORE2-LABEL: memset_11:
208; CORE2:       # %bb.0: # %entry
209; CORE2-NEXT:    movl $0, 7(%rdi)
210; CORE2-NEXT:    movq $0, (%rdi)
211; CORE2-NEXT:    retq
212;
213; NEHALEM-LABEL: memset_11:
214; NEHALEM:       # %bb.0: # %entry
215; NEHALEM-NEXT:    movl $0, 7(%rdi)
216; NEHALEM-NEXT:    movq $0, (%rdi)
217; NEHALEM-NEXT:    retq
218;
219; SANDYBRIDGE-LABEL: memset_11:
220; SANDYBRIDGE:       # %bb.0: # %entry
221; SANDYBRIDGE-NEXT:    movl $0, 7(%rdi)
222; SANDYBRIDGE-NEXT:    movq $0, (%rdi)
223; SANDYBRIDGE-NEXT:    retq
224;
225; SKYLAKE-LABEL: memset_11:
226; SKYLAKE:       # %bb.0: # %entry
227; SKYLAKE-NEXT:    movl $0, 7(%rdi)
228; SKYLAKE-NEXT:    movq $0, (%rdi)
229; SKYLAKE-NEXT:    retq
230;
231; KNL-LABEL: memset_11:
232; KNL:       # %bb.0: # %entry
233; KNL-NEXT:    movl $0, 7(%rdi)
234; KNL-NEXT:    movq $0, (%rdi)
235; KNL-NEXT:    retq
236entry:
237	call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 11, i1 false)
238	ret void
239}
240
241define void @memset_13(ptr %a) nounwind  {
242; X86-LABEL: memset_13:
243; X86:       # %bb.0: # %entry
244; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
245; X86-NEXT:    movb $0, 12(%eax)
246; X86-NEXT:    movl $0, 8(%eax)
247; X86-NEXT:    movl $0, 4(%eax)
248; X86-NEXT:    movl $0, (%eax)
249; X86-NEXT:    retl
250;
251; CORE2-LABEL: memset_13:
252; CORE2:       # %bb.0: # %entry
253; CORE2-NEXT:    movq $0, 5(%rdi)
254; CORE2-NEXT:    movq $0, (%rdi)
255; CORE2-NEXT:    retq
256;
257; NEHALEM-LABEL: memset_13:
258; NEHALEM:       # %bb.0: # %entry
259; NEHALEM-NEXT:    movq $0, 5(%rdi)
260; NEHALEM-NEXT:    movq $0, (%rdi)
261; NEHALEM-NEXT:    retq
262;
263; SANDYBRIDGE-LABEL: memset_13:
264; SANDYBRIDGE:       # %bb.0: # %entry
265; SANDYBRIDGE-NEXT:    movq $0, 5(%rdi)
266; SANDYBRIDGE-NEXT:    movq $0, (%rdi)
267; SANDYBRIDGE-NEXT:    retq
268;
269; SKYLAKE-LABEL: memset_13:
270; SKYLAKE:       # %bb.0: # %entry
271; SKYLAKE-NEXT:    movq $0, 5(%rdi)
272; SKYLAKE-NEXT:    movq $0, (%rdi)
273; SKYLAKE-NEXT:    retq
274;
275; KNL-LABEL: memset_13:
276; KNL:       # %bb.0: # %entry
277; KNL-NEXT:    movq $0, 5(%rdi)
278; KNL-NEXT:    movq $0, (%rdi)
279; KNL-NEXT:    retq
280entry:
281	call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 13, i1 false)
282	ret void
283}
284
285define void @memset_15(ptr %a) nounwind  {
286; X86-LABEL: memset_15:
287; X86:       # %bb.0: # %entry
288; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
289; X86-NEXT:    movl $0, 11(%eax)
290; X86-NEXT:    movl $0, 8(%eax)
291; X86-NEXT:    movl $0, 4(%eax)
292; X86-NEXT:    movl $0, (%eax)
293; X86-NEXT:    retl
294;
295; CORE2-LABEL: memset_15:
296; CORE2:       # %bb.0: # %entry
297; CORE2-NEXT:    movq $0, 7(%rdi)
298; CORE2-NEXT:    movq $0, (%rdi)
299; CORE2-NEXT:    retq
300;
301; NEHALEM-LABEL: memset_15:
302; NEHALEM:       # %bb.0: # %entry
303; NEHALEM-NEXT:    movq $0, 7(%rdi)
304; NEHALEM-NEXT:    movq $0, (%rdi)
305; NEHALEM-NEXT:    retq
306;
307; SANDYBRIDGE-LABEL: memset_15:
308; SANDYBRIDGE:       # %bb.0: # %entry
309; SANDYBRIDGE-NEXT:    movq $0, 7(%rdi)
310; SANDYBRIDGE-NEXT:    movq $0, (%rdi)
311; SANDYBRIDGE-NEXT:    retq
312;
313; SKYLAKE-LABEL: memset_15:
314; SKYLAKE:       # %bb.0: # %entry
315; SKYLAKE-NEXT:    movq $0, 7(%rdi)
316; SKYLAKE-NEXT:    movq $0, (%rdi)
317; SKYLAKE-NEXT:    retq
318;
319; KNL-LABEL: memset_15:
320; KNL:       # %bb.0: # %entry
321; KNL-NEXT:    movq $0, 7(%rdi)
322; KNL-NEXT:    movq $0, (%rdi)
323; KNL-NEXT:    retq
324entry:
325	call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 15, i1 false)
326	ret void
327}
328
329define void @memset_16(ptr %a) nounwind  {
330; X86-LABEL: memset_16:
331; X86:       # %bb.0: # %entry
332; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
333; X86-NEXT:    movl $0, 12(%eax)
334; X86-NEXT:    movl $0, 8(%eax)
335; X86-NEXT:    movl $0, 4(%eax)
336; X86-NEXT:    movl $0, (%eax)
337; X86-NEXT:    retl
338;
339; CORE2-LABEL: memset_16:
340; CORE2:       # %bb.0: # %entry
341; CORE2-NEXT:    movq $0, 8(%rdi)
342; CORE2-NEXT:    movq $0, (%rdi)
343; CORE2-NEXT:    retq
344;
345; NEHALEM-LABEL: memset_16:
346; NEHALEM:       # %bb.0: # %entry
347; NEHALEM-NEXT:    xorps %xmm0, %xmm0
348; NEHALEM-NEXT:    movups %xmm0, (%rdi)
349; NEHALEM-NEXT:    retq
350;
351; SANDYBRIDGE-LABEL: memset_16:
352; SANDYBRIDGE:       # %bb.0: # %entry
353; SANDYBRIDGE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
354; SANDYBRIDGE-NEXT:    vmovups %xmm0, (%rdi)
355; SANDYBRIDGE-NEXT:    retq
356;
357; SKYLAKE-LABEL: memset_16:
358; SKYLAKE:       # %bb.0: # %entry
359; SKYLAKE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
360; SKYLAKE-NEXT:    vmovups %xmm0, (%rdi)
361; SKYLAKE-NEXT:    retq
362;
363; KNL-LABEL: memset_16:
364; KNL:       # %bb.0: # %entry
365; KNL-NEXT:    vxorps %xmm0, %xmm0, %xmm0
366; KNL-NEXT:    vmovups %xmm0, (%rdi)
367; KNL-NEXT:    retq
368entry:
369	call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 16, i1 false)
370	ret void
371}
372
373define void @memset_17(ptr %a) nounwind  {
374; X86-LABEL: memset_17:
375; X86:       # %bb.0: # %entry
376; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
377; X86-NEXT:    movb $0, 16(%eax)
378; X86-NEXT:    movl $0, 12(%eax)
379; X86-NEXT:    movl $0, 8(%eax)
380; X86-NEXT:    movl $0, 4(%eax)
381; X86-NEXT:    movl $0, (%eax)
382; X86-NEXT:    retl
383;
384; CORE2-LABEL: memset_17:
385; CORE2:       # %bb.0: # %entry
386; CORE2-NEXT:    movb $0, 16(%rdi)
387; CORE2-NEXT:    movq $0, 8(%rdi)
388; CORE2-NEXT:    movq $0, (%rdi)
389; CORE2-NEXT:    retq
390;
391; NEHALEM-LABEL: memset_17:
392; NEHALEM:       # %bb.0: # %entry
393; NEHALEM-NEXT:    xorps %xmm0, %xmm0
394; NEHALEM-NEXT:    movups %xmm0, (%rdi)
395; NEHALEM-NEXT:    movb $0, 16(%rdi)
396; NEHALEM-NEXT:    retq
397;
398; SANDYBRIDGE-LABEL: memset_17:
399; SANDYBRIDGE:       # %bb.0: # %entry
400; SANDYBRIDGE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
401; SANDYBRIDGE-NEXT:    vmovups %xmm0, (%rdi)
402; SANDYBRIDGE-NEXT:    movb $0, 16(%rdi)
403; SANDYBRIDGE-NEXT:    retq
404;
405; SKYLAKE-LABEL: memset_17:
406; SKYLAKE:       # %bb.0: # %entry
407; SKYLAKE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
408; SKYLAKE-NEXT:    vmovups %xmm0, (%rdi)
409; SKYLAKE-NEXT:    movb $0, 16(%rdi)
410; SKYLAKE-NEXT:    retq
411;
412; KNL-LABEL: memset_17:
413; KNL:       # %bb.0: # %entry
414; KNL-NEXT:    vxorps %xmm0, %xmm0, %xmm0
415; KNL-NEXT:    vmovups %xmm0, (%rdi)
416; KNL-NEXT:    movb $0, 16(%rdi)
417; KNL-NEXT:    retq
418entry:
419	call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 17, i1 false)
420	ret void
421}
422
423define void @memset_19(ptr %a) nounwind  {
424; X86-LABEL: memset_19:
425; X86:       # %bb.0: # %entry
426; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
427; X86-NEXT:    movl $0, 15(%eax)
428; X86-NEXT:    movl $0, 12(%eax)
429; X86-NEXT:    movl $0, 8(%eax)
430; X86-NEXT:    movl $0, 4(%eax)
431; X86-NEXT:    movl $0, (%eax)
432; X86-NEXT:    retl
433;
434; CORE2-LABEL: memset_19:
435; CORE2:       # %bb.0: # %entry
436; CORE2-NEXT:    movl $0, 15(%rdi)
437; CORE2-NEXT:    movq $0, 8(%rdi)
438; CORE2-NEXT:    movq $0, (%rdi)
439; CORE2-NEXT:    retq
440;
441; NEHALEM-LABEL: memset_19:
442; NEHALEM:       # %bb.0: # %entry
443; NEHALEM-NEXT:    xorps %xmm0, %xmm0
444; NEHALEM-NEXT:    movups %xmm0, (%rdi)
445; NEHALEM-NEXT:    movl $0, 15(%rdi)
446; NEHALEM-NEXT:    retq
447;
448; SANDYBRIDGE-LABEL: memset_19:
449; SANDYBRIDGE:       # %bb.0: # %entry
450; SANDYBRIDGE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
451; SANDYBRIDGE-NEXT:    vmovups %xmm0, (%rdi)
452; SANDYBRIDGE-NEXT:    movl $0, 15(%rdi)
453; SANDYBRIDGE-NEXT:    retq
454;
455; SKYLAKE-LABEL: memset_19:
456; SKYLAKE:       # %bb.0: # %entry
457; SKYLAKE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
458; SKYLAKE-NEXT:    vmovups %xmm0, (%rdi)
459; SKYLAKE-NEXT:    movl $0, 15(%rdi)
460; SKYLAKE-NEXT:    retq
461;
462; KNL-LABEL: memset_19:
463; KNL:       # %bb.0: # %entry
464; KNL-NEXT:    vxorps %xmm0, %xmm0, %xmm0
465; KNL-NEXT:    vmovups %xmm0, (%rdi)
466; KNL-NEXT:    movl $0, 15(%rdi)
467; KNL-NEXT:    retq
468entry:
469	call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 19, i1 false)
470	ret void
471}
472
473define void @memset_31(ptr %a) nounwind  {
474; X86-LABEL: memset_31:
475; X86:       # %bb.0: # %entry
476; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
477; X86-NEXT:    movl $0, 27(%eax)
478; X86-NEXT:    movl $0, 24(%eax)
479; X86-NEXT:    movl $0, 20(%eax)
480; X86-NEXT:    movl $0, 16(%eax)
481; X86-NEXT:    movl $0, 12(%eax)
482; X86-NEXT:    movl $0, 8(%eax)
483; X86-NEXT:    movl $0, 4(%eax)
484; X86-NEXT:    movl $0, (%eax)
485; X86-NEXT:    retl
486;
487; CORE2-LABEL: memset_31:
488; CORE2:       # %bb.0: # %entry
489; CORE2-NEXT:    movq $0, 23(%rdi)
490; CORE2-NEXT:    movq $0, 16(%rdi)
491; CORE2-NEXT:    movq $0, 8(%rdi)
492; CORE2-NEXT:    movq $0, (%rdi)
493; CORE2-NEXT:    retq
494;
495; NEHALEM-LABEL: memset_31:
496; NEHALEM:       # %bb.0: # %entry
497; NEHALEM-NEXT:    xorps %xmm0, %xmm0
498; NEHALEM-NEXT:    movups %xmm0, 15(%rdi)
499; NEHALEM-NEXT:    movups %xmm0, (%rdi)
500; NEHALEM-NEXT:    retq
501;
502; SANDYBRIDGE-LABEL: memset_31:
503; SANDYBRIDGE:       # %bb.0: # %entry
504; SANDYBRIDGE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
505; SANDYBRIDGE-NEXT:    vmovups %xmm0, 15(%rdi)
506; SANDYBRIDGE-NEXT:    vmovups %xmm0, (%rdi)
507; SANDYBRIDGE-NEXT:    retq
508;
509; SKYLAKE-LABEL: memset_31:
510; SKYLAKE:       # %bb.0: # %entry
511; SKYLAKE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
512; SKYLAKE-NEXT:    vmovups %xmm0, 15(%rdi)
513; SKYLAKE-NEXT:    vmovups %xmm0, (%rdi)
514; SKYLAKE-NEXT:    retq
515;
516; KNL-LABEL: memset_31:
517; KNL:       # %bb.0: # %entry
518; KNL-NEXT:    vxorps %xmm0, %xmm0, %xmm0
519; KNL-NEXT:    vmovups %xmm0, 15(%rdi)
520; KNL-NEXT:    vmovups %xmm0, (%rdi)
521; KNL-NEXT:    retq
522entry:
523	call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 31, i1 false)
524	ret void
525}
526
527define void @memset_32(ptr %a) nounwind  {
528; X86-LABEL: memset_32:
529; X86:       # %bb.0: # %entry
530; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
531; X86-NEXT:    movl $0, 28(%eax)
532; X86-NEXT:    movl $0, 24(%eax)
533; X86-NEXT:    movl $0, 20(%eax)
534; X86-NEXT:    movl $0, 16(%eax)
535; X86-NEXT:    movl $0, 12(%eax)
536; X86-NEXT:    movl $0, 8(%eax)
537; X86-NEXT:    movl $0, 4(%eax)
538; X86-NEXT:    movl $0, (%eax)
539; X86-NEXT:    retl
540;
541; CORE2-LABEL: memset_32:
542; CORE2:       # %bb.0: # %entry
543; CORE2-NEXT:    movq $0, 24(%rdi)
544; CORE2-NEXT:    movq $0, 16(%rdi)
545; CORE2-NEXT:    movq $0, 8(%rdi)
546; CORE2-NEXT:    movq $0, (%rdi)
547; CORE2-NEXT:    retq
548;
549; NEHALEM-LABEL: memset_32:
550; NEHALEM:       # %bb.0: # %entry
551; NEHALEM-NEXT:    xorps %xmm0, %xmm0
552; NEHALEM-NEXT:    movups %xmm0, 16(%rdi)
553; NEHALEM-NEXT:    movups %xmm0, (%rdi)
554; NEHALEM-NEXT:    retq
555;
556; SANDYBRIDGE-LABEL: memset_32:
557; SANDYBRIDGE:       # %bb.0: # %entry
558; SANDYBRIDGE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
559; SANDYBRIDGE-NEXT:    vmovups %xmm0, 16(%rdi)
560; SANDYBRIDGE-NEXT:    vmovups %xmm0, (%rdi)
561; SANDYBRIDGE-NEXT:    retq
562;
563; SKYLAKE-LABEL: memset_32:
564; SKYLAKE:       # %bb.0: # %entry
565; SKYLAKE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
566; SKYLAKE-NEXT:    vmovups %ymm0, (%rdi)
567; SKYLAKE-NEXT:    vzeroupper
568; SKYLAKE-NEXT:    retq
569;
570; KNL-LABEL: memset_32:
571; KNL:       # %bb.0: # %entry
572; KNL-NEXT:    vxorps %xmm0, %xmm0, %xmm0
573; KNL-NEXT:    vmovups %ymm0, (%rdi)
574; KNL-NEXT:    retq
575entry:
576	call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 32, i1 false)
577	ret void
578}
579
580define void @memset_32_align32(ptr %a) nounwind  {
581; X86-LABEL: memset_32_align32:
582; X86:       # %bb.0: # %entry
583; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
584; X86-NEXT:    movl $0, 28(%eax)
585; X86-NEXT:    movl $0, 24(%eax)
586; X86-NEXT:    movl $0, 20(%eax)
587; X86-NEXT:    movl $0, 16(%eax)
588; X86-NEXT:    movl $0, 12(%eax)
589; X86-NEXT:    movl $0, 8(%eax)
590; X86-NEXT:    movl $0, 4(%eax)
591; X86-NEXT:    movl $0, (%eax)
592; X86-NEXT:    retl
593;
594; CORE2-LABEL: memset_32_align32:
595; CORE2:       # %bb.0: # %entry
596; CORE2-NEXT:    xorps %xmm0, %xmm0
597; CORE2-NEXT:    movaps %xmm0, 16(%rdi)
598; CORE2-NEXT:    movaps %xmm0, (%rdi)
599; CORE2-NEXT:    retq
600;
601; NEHALEM-LABEL: memset_32_align32:
602; NEHALEM:       # %bb.0: # %entry
603; NEHALEM-NEXT:    xorps %xmm0, %xmm0
604; NEHALEM-NEXT:    movaps %xmm0, 16(%rdi)
605; NEHALEM-NEXT:    movaps %xmm0, (%rdi)
606; NEHALEM-NEXT:    retq
607;
608; SANDYBRIDGE-LABEL: memset_32_align32:
609; SANDYBRIDGE:       # %bb.0: # %entry
610; SANDYBRIDGE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
611; SANDYBRIDGE-NEXT:    vmovaps %ymm0, (%rdi)
612; SANDYBRIDGE-NEXT:    vzeroupper
613; SANDYBRIDGE-NEXT:    retq
614;
615; SKYLAKE-LABEL: memset_32_align32:
616; SKYLAKE:       # %bb.0: # %entry
617; SKYLAKE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
618; SKYLAKE-NEXT:    vmovaps %ymm0, (%rdi)
619; SKYLAKE-NEXT:    vzeroupper
620; SKYLAKE-NEXT:    retq
621;
622; KNL-LABEL: memset_32_align32:
623; KNL:       # %bb.0: # %entry
624; KNL-NEXT:    vxorps %xmm0, %xmm0, %xmm0
625; KNL-NEXT:    vmovaps %ymm0, (%rdi)
626; KNL-NEXT:    retq
627entry:
628	call void @llvm.memset.p0.i64(ptr align 32 %a, i8 0, i64 32, i1 false)
629	ret void
630}
631
632
633define void @memset_35(ptr %a) nounwind  {
634; X86-LABEL: memset_35:
635; X86:       # %bb.0: # %entry
636; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
637; X86-NEXT:    movl $0, 31(%eax)
638; X86-NEXT:    movl $0, 28(%eax)
639; X86-NEXT:    movl $0, 24(%eax)
640; X86-NEXT:    movl $0, 20(%eax)
641; X86-NEXT:    movl $0, 16(%eax)
642; X86-NEXT:    movl $0, 12(%eax)
643; X86-NEXT:    movl $0, 8(%eax)
644; X86-NEXT:    movl $0, 4(%eax)
645; X86-NEXT:    movl $0, (%eax)
646; X86-NEXT:    retl
647;
648; CORE2-LABEL: memset_35:
649; CORE2:       # %bb.0: # %entry
650; CORE2-NEXT:    movl $0, 31(%rdi)
651; CORE2-NEXT:    movq $0, 24(%rdi)
652; CORE2-NEXT:    movq $0, 16(%rdi)
653; CORE2-NEXT:    movq $0, 8(%rdi)
654; CORE2-NEXT:    movq $0, (%rdi)
655; CORE2-NEXT:    retq
656;
657; NEHALEM-LABEL: memset_35:
658; NEHALEM:       # %bb.0: # %entry
659; NEHALEM-NEXT:    xorps %xmm0, %xmm0
660; NEHALEM-NEXT:    movups %xmm0, 16(%rdi)
661; NEHALEM-NEXT:    movups %xmm0, (%rdi)
662; NEHALEM-NEXT:    movl $0, 31(%rdi)
663; NEHALEM-NEXT:    retq
664;
665; SANDYBRIDGE-LABEL: memset_35:
666; SANDYBRIDGE:       # %bb.0: # %entry
667; SANDYBRIDGE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
668; SANDYBRIDGE-NEXT:    vmovups %xmm0, 16(%rdi)
669; SANDYBRIDGE-NEXT:    vmovups %xmm0, (%rdi)
670; SANDYBRIDGE-NEXT:    movl $0, 31(%rdi)
671; SANDYBRIDGE-NEXT:    retq
672;
673; SKYLAKE-LABEL: memset_35:
674; SKYLAKE:       # %bb.0: # %entry
675; SKYLAKE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
676; SKYLAKE-NEXT:    vmovups %ymm0, (%rdi)
677; SKYLAKE-NEXT:    movl $0, 31(%rdi)
678; SKYLAKE-NEXT:    vzeroupper
679; SKYLAKE-NEXT:    retq
680;
681; KNL-LABEL: memset_35:
682; KNL:       # %bb.0: # %entry
683; KNL-NEXT:    vxorps %xmm0, %xmm0, %xmm0
684; KNL-NEXT:    vmovups %ymm0, (%rdi)
685; KNL-NEXT:    movl $0, 31(%rdi)
686; KNL-NEXT:    retq
687entry:
688	call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 35, i1 false)
689	ret void
690}
691
692define void @memset_64(ptr %a) nounwind  {
693; X86-LABEL: memset_64:
694; X86:       # %bb.0: # %entry
695; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
696; X86-NEXT:    movl $0, 60(%eax)
697; X86-NEXT:    movl $0, 56(%eax)
698; X86-NEXT:    movl $0, 52(%eax)
699; X86-NEXT:    movl $0, 48(%eax)
700; X86-NEXT:    movl $0, 44(%eax)
701; X86-NEXT:    movl $0, 40(%eax)
702; X86-NEXT:    movl $0, 36(%eax)
703; X86-NEXT:    movl $0, 32(%eax)
704; X86-NEXT:    movl $0, 28(%eax)
705; X86-NEXT:    movl $0, 24(%eax)
706; X86-NEXT:    movl $0, 20(%eax)
707; X86-NEXT:    movl $0, 16(%eax)
708; X86-NEXT:    movl $0, 12(%eax)
709; X86-NEXT:    movl $0, 8(%eax)
710; X86-NEXT:    movl $0, 4(%eax)
711; X86-NEXT:    movl $0, (%eax)
712; X86-NEXT:    retl
713;
714; CORE2-LABEL: memset_64:
715; CORE2:       # %bb.0: # %entry
716; CORE2-NEXT:    movq $0, 56(%rdi)
717; CORE2-NEXT:    movq $0, 48(%rdi)
718; CORE2-NEXT:    movq $0, 40(%rdi)
719; CORE2-NEXT:    movq $0, 32(%rdi)
720; CORE2-NEXT:    movq $0, 24(%rdi)
721; CORE2-NEXT:    movq $0, 16(%rdi)
722; CORE2-NEXT:    movq $0, 8(%rdi)
723; CORE2-NEXT:    movq $0, (%rdi)
724; CORE2-NEXT:    retq
725;
726; NEHALEM-LABEL: memset_64:
727; NEHALEM:       # %bb.0: # %entry
728; NEHALEM-NEXT:    xorps %xmm0, %xmm0
729; NEHALEM-NEXT:    movups %xmm0, 48(%rdi)
730; NEHALEM-NEXT:    movups %xmm0, 32(%rdi)
731; NEHALEM-NEXT:    movups %xmm0, 16(%rdi)
732; NEHALEM-NEXT:    movups %xmm0, (%rdi)
733; NEHALEM-NEXT:    retq
734;
735; SANDYBRIDGE-LABEL: memset_64:
736; SANDYBRIDGE:       # %bb.0: # %entry
737; SANDYBRIDGE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
738; SANDYBRIDGE-NEXT:    vmovups %xmm0, 16(%rdi)
739; SANDYBRIDGE-NEXT:    vmovups %xmm0, (%rdi)
740; SANDYBRIDGE-NEXT:    vmovups %xmm0, 48(%rdi)
741; SANDYBRIDGE-NEXT:    vmovups %xmm0, 32(%rdi)
742; SANDYBRIDGE-NEXT:    retq
743;
744; SKYLAKE-LABEL: memset_64:
745; SKYLAKE:       # %bb.0: # %entry
746; SKYLAKE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
747; SKYLAKE-NEXT:    vmovups %ymm0, 32(%rdi)
748; SKYLAKE-NEXT:    vmovups %ymm0, (%rdi)
749; SKYLAKE-NEXT:    vzeroupper
750; SKYLAKE-NEXT:    retq
751;
752; KNL-LABEL: memset_64:
753; KNL:       # %bb.0: # %entry
754; KNL-NEXT:    vxorps %xmm0, %xmm0, %xmm0
755; KNL-NEXT:    vmovups %zmm0, (%rdi)
756; KNL-NEXT:    retq
757entry:
758	call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 64, i1 false)
759	ret void
760}
761
762define void @memset_64_align64(ptr %a) nounwind  {
763; X86-LABEL: memset_64_align64:
764; X86:       # %bb.0: # %entry
765; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
766; X86-NEXT:    movl $0, 60(%eax)
767; X86-NEXT:    movl $0, 56(%eax)
768; X86-NEXT:    movl $0, 52(%eax)
769; X86-NEXT:    movl $0, 48(%eax)
770; X86-NEXT:    movl $0, 44(%eax)
771; X86-NEXT:    movl $0, 40(%eax)
772; X86-NEXT:    movl $0, 36(%eax)
773; X86-NEXT:    movl $0, 32(%eax)
774; X86-NEXT:    movl $0, 28(%eax)
775; X86-NEXT:    movl $0, 24(%eax)
776; X86-NEXT:    movl $0, 20(%eax)
777; X86-NEXT:    movl $0, 16(%eax)
778; X86-NEXT:    movl $0, 12(%eax)
779; X86-NEXT:    movl $0, 8(%eax)
780; X86-NEXT:    movl $0, 4(%eax)
781; X86-NEXT:    movl $0, (%eax)
782; X86-NEXT:    retl
783;
784; CORE2-LABEL: memset_64_align64:
785; CORE2:       # %bb.0: # %entry
786; CORE2-NEXT:    xorps %xmm0, %xmm0
787; CORE2-NEXT:    movaps %xmm0, 48(%rdi)
788; CORE2-NEXT:    movaps %xmm0, 32(%rdi)
789; CORE2-NEXT:    movaps %xmm0, 16(%rdi)
790; CORE2-NEXT:    movaps %xmm0, (%rdi)
791; CORE2-NEXT:    retq
792;
793; NEHALEM-LABEL: memset_64_align64:
794; NEHALEM:       # %bb.0: # %entry
795; NEHALEM-NEXT:    xorps %xmm0, %xmm0
796; NEHALEM-NEXT:    movaps %xmm0, 48(%rdi)
797; NEHALEM-NEXT:    movaps %xmm0, 32(%rdi)
798; NEHALEM-NEXT:    movaps %xmm0, 16(%rdi)
799; NEHALEM-NEXT:    movaps %xmm0, (%rdi)
800; NEHALEM-NEXT:    retq
801;
802; SANDYBRIDGE-LABEL: memset_64_align64:
803; SANDYBRIDGE:       # %bb.0: # %entry
804; SANDYBRIDGE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
805; SANDYBRIDGE-NEXT:    vmovaps %ymm0, 32(%rdi)
806; SANDYBRIDGE-NEXT:    vmovaps %ymm0, (%rdi)
807; SANDYBRIDGE-NEXT:    vzeroupper
808; SANDYBRIDGE-NEXT:    retq
809;
810; SKYLAKE-LABEL: memset_64_align64:
811; SKYLAKE:       # %bb.0: # %entry
812; SKYLAKE-NEXT:    vxorps %xmm0, %xmm0, %xmm0
813; SKYLAKE-NEXT:    vmovaps %ymm0, 32(%rdi)
814; SKYLAKE-NEXT:    vmovaps %ymm0, (%rdi)
815; SKYLAKE-NEXT:    vzeroupper
816; SKYLAKE-NEXT:    retq
817;
818; KNL-LABEL: memset_64_align64:
819; KNL:       # %bb.0: # %entry
820; KNL-NEXT:    vxorps %xmm0, %xmm0, %xmm0
821; KNL-NEXT:    vmovaps %zmm0, (%rdi)
822; KNL-NEXT:    retq
823entry:
824	call void @llvm.memset.p0.i64(ptr align 64 %a, i8 0, i64 64, i1 false)
825	ret void
826}
827