1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; Make sure that we realign the stack. Mingw32 uses 4 byte stack alignment, we
; need 16 bytes for SSE and 32 bytes for AVX.
; RUN: llc < %s -mtriple=i386-pc-mingw32 -mcpu=pentium2 | FileCheck %s --check-prefix=NOSSE
; RUN: llc < %s -stackrealign -mtriple=i386-pc-mingw32 -mcpu=pentium3 | FileCheck %s --check-prefix=SSE
; RUN: llc < %s -stackrealign -mtriple=i386-pc-mingw32 -mcpu=yonah | FileCheck %s --check-prefix=SSE
; RUN: llc < %s -stackrealign -mtriple=i386-pc-mingw32 -mcpu=corei7-avx | FileCheck %s --check-prefix=AVX
; RUN: llc < %s -stackrealign -mtriple=i386-pc-mingw32 -mcpu=core-avx2 | FileCheck %s --check-prefix=AVX
define void @test1(i32 %t) nounwind {
; NOSSE-LABEL: test1:
; NOSSE: # %bb.0:
; NOSSE-NEXT: pushl %ebp
; NOSSE-NEXT: movl %esp, %ebp
; NOSSE-NEXT: subl $32, %esp
; NOSSE-NEXT: movl 8(%ebp), %eax
; NOSSE-NEXT: movl $0, -4(%ebp)
; NOSSE-NEXT: movl $0, -8(%ebp)
; NOSSE-NEXT: movl $0, -12(%ebp)
; NOSSE-NEXT: movl $0, -16(%ebp)
; NOSSE-NEXT: movl $0, -20(%ebp)
; NOSSE-NEXT: movl $0, -24(%ebp)
; NOSSE-NEXT: movl $0, -28(%ebp)
; NOSSE-NEXT: movl $0, -32(%ebp)
; NOSSE-NEXT: addl $3, %eax
; NOSSE-NEXT: andl $-4, %eax
; NOSSE-NEXT: calll __alloca
; NOSSE-NEXT: movl %esp, %eax
; NOSSE-NEXT: pushl %eax
; NOSSE-NEXT: calll _dummy
; NOSSE-NEXT: movl %ebp, %esp
; NOSSE-NEXT: popl %ebp
; NOSSE-NEXT: retl
;
; SSE-LABEL: test1:
; SSE: # %bb.0:
; SSE-NEXT: pushl %ebp
; SSE-NEXT: movl %esp, %ebp
; SSE-NEXT: pushl %esi
; SSE-NEXT: andl $-16, %esp
; SSE-NEXT: subl $48, %esp
; SSE-NEXT: movl %esp, %esi
; SSE-NEXT: movl 8(%ebp), %eax
; SSE-NEXT: xorps %xmm0, %xmm0
; SSE-NEXT: movaps %xmm0, 16(%esi)
; SSE-NEXT: movaps %xmm0, (%esi)
; SSE-NEXT: addl $3, %eax
; SSE-NEXT: andl $-4, %eax
; SSE-NEXT: calll __alloca
; SSE-NEXT: movl %esp, %eax
; SSE-NEXT: pushl %eax
; SSE-NEXT: calll _dummy
; SSE-NEXT: leal -4(%ebp), %esp
; SSE-NEXT: popl %esi
; SSE-NEXT: popl %ebp
; SSE-NEXT: retl
;
; AVX-LABEL: test1:
; AVX: # %bb.0:
; AVX-NEXT: pushl %ebp
; AVX-NEXT: movl %esp, %ebp
; AVX-NEXT: pushl %esi
; AVX-NEXT: andl $-32, %esp
; AVX-NEXT: subl $64, %esp
; AVX-NEXT: movl %esp, %esi
; AVX-NEXT: movl 8(%ebp), %eax
; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0
; AVX-NEXT: vmovaps %ymm0, (%esi)
; AVX-NEXT: addl $3, %eax
; AVX-NEXT: andl $-4, %eax
; AVX-NEXT: calll __alloca
; AVX-NEXT: movl %esp, %eax
; AVX-NEXT: pushl %eax
; AVX-NEXT: vzeroupper
; AVX-NEXT: calll _dummy
; AVX-NEXT: leal -4(%ebp), %esp
; AVX-NEXT: popl %esi
; AVX-NEXT: popl %ebp
; AVX-NEXT: retl
%tmp1210 = alloca i8, i32 32, align 4
call void @llvm.memset.p0.i64(ptr align 4 %tmp1210, i8 0, i64 32, i1 false)
%x = alloca i8, i32 %t
call void @dummy(ptr %x)
ret void
}
define void @test2(i32 %t) nounwind {
; NOSSE-LABEL: test2:
; NOSSE: # %bb.0:
; NOSSE-NEXT: pushl %ebp
; NOSSE-NEXT: movl %esp, %ebp
; NOSSE-NEXT: subl $16, %esp
; NOSSE-NEXT: movl 8(%ebp), %eax
; NOSSE-NEXT: movl $0, -4(%ebp)
; NOSSE-NEXT: movl $0, -8(%ebp)
; NOSSE-NEXT: movl $0, -12(%ebp)
; NOSSE-NEXT: movl $0, -16(%ebp)
; NOSSE-NEXT: addl $3, %eax
; NOSSE-NEXT: andl $-4, %eax
; NOSSE-NEXT: calll __alloca
; NOSSE-NEXT: movl %esp, %eax
; NOSSE-NEXT: pushl %eax
; NOSSE-NEXT: calll _dummy
; NOSSE-NEXT: movl %ebp, %esp
; NOSSE-NEXT: popl %ebp
; NOSSE-NEXT: retl
;
; SSE-LABEL: test2:
; SSE: # %bb.0:
; SSE-NEXT: pushl %ebp
; SSE-NEXT: movl %esp, %ebp
; SSE-NEXT: pushl %esi
; SSE-NEXT: andl $-16, %esp
; SSE-NEXT: subl $32, %esp
; SSE-NEXT: movl %esp, %esi
; SSE-NEXT: movl 8(%ebp), %eax
; SSE-NEXT: xorps %xmm0, %xmm0
; SSE-NEXT: movaps %xmm0, (%esi)
; SSE-NEXT: addl $3, %eax
; SSE-NEXT: andl $-4, %eax
; SSE-NEXT: calll __alloca
; SSE-NEXT: movl %esp, %eax
; SSE-NEXT: pushl %eax
; SSE-NEXT: calll _dummy
; SSE-NEXT: leal -4(%ebp), %esp
; SSE-NEXT: popl %esi
; SSE-NEXT: popl %ebp
; SSE-NEXT: retl
;
; AVX-LABEL: test2:
; AVX: # %bb.0:
; AVX-NEXT: pushl %ebp
; AVX-NEXT: movl %esp, %ebp
; AVX-NEXT: pushl %esi
; AVX-NEXT: andl $-16, %esp
; AVX-NEXT: subl $32, %esp
; AVX-NEXT: movl %esp, %esi
; AVX-NEXT: movl 8(%ebp), %eax
; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0
; AVX-NEXT: vmovaps %xmm0, (%esi)
; AVX-NEXT: addl $3, %eax
; AVX-NEXT: andl $-4, %eax
; AVX-NEXT: calll __alloca
; AVX-NEXT: movl %esp, %eax
; AVX-NEXT: pushl %eax
; AVX-NEXT: calll _dummy
; AVX-NEXT: leal -4(%ebp), %esp
; AVX-NEXT: popl %esi
; AVX-NEXT: popl %ebp
; AVX-NEXT: retl
%tmp1210 = alloca i8, i32 16, align 4
call void @llvm.memset.p0.i64(ptr align 4 %tmp1210, i8 0, i64 16, i1 false)
%x = alloca i8, i32 %t
call void @dummy(ptr %x)
ret void
}
declare void @dummy(ptr)
declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1) nounwind
|
