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
162
163
164
165
166
167
168
169
170
171
172
|
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=x86_64-linux-gnu -run-pass=none -o - %s | FileCheck %s
--- |
; ModuleID = 'test/CodeGen/X86/memcpy-scoped-aa.ll'
source_filename = "test/CodeGen/X86/memcpy-scoped-aa.ll"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define i32 @test_memcpy(i32* nocapture %p, i32* nocapture readonly %q) {
%p0 = bitcast i32* %p to i8*
%add.ptr = getelementptr inbounds i32, i32* %p, i64 4
%p1 = bitcast i32* %add.ptr to i8*
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* noundef nonnull align 4 dereferenceable(16) %p0, i8* noundef nonnull align 4 dereferenceable(16) %p1, i64 16, i1 false), !alias.scope !0, !noalias !3
%v0 = load i32, i32* %q, align 4, !alias.scope !3, !noalias !0
%q1 = getelementptr inbounds i32, i32* %q, i64 1
%v1 = load i32, i32* %q1, align 4, !alias.scope !3, !noalias !0
%add = add i32 %v0, %v1
ret i32 %add
}
define i32 @test_memcpy_inline(i32* nocapture %p, i32* nocapture readonly %q) {
%p0 = bitcast i32* %p to i8*
%add.ptr = getelementptr inbounds i32, i32* %p, i64 4
%p1 = bitcast i32* %add.ptr to i8*
tail call void @llvm.memcpy.inline.p0i8.p0i8.i64(i8* noundef nonnull align 4 dereferenceable(16) %p0, i8* noundef nonnull align 4 dereferenceable(16) %p1, i64 16, i1 false), !alias.scope !0, !noalias !3
%v0 = load i32, i32* %q, align 4, !alias.scope !3, !noalias !0
%q1 = getelementptr inbounds i32, i32* %q, i64 1
%v1 = load i32, i32* %q1, align 4, !alias.scope !3, !noalias !0
%add = add i32 %v0, %v1
ret i32 %add
}
define i32 @test_mempcpy(i32* nocapture %p, i32* nocapture readonly %q) {
%p0 = bitcast i32* %p to i8*
%add.ptr = getelementptr inbounds i32, i32* %p, i64 4
%p1 = bitcast i32* %add.ptr to i8*
%call = tail call i8* @mempcpy(i8* noundef nonnull align 4 dereferenceable(16) %p0, i8* noundef nonnull align 4 dereferenceable(16) %p1, i64 16), !alias.scope !0, !noalias !3
%v0 = load i32, i32* %q, align 4, !alias.scope !3, !noalias !0
%q1 = getelementptr inbounds i32, i32* %q, i64 1
%v1 = load i32, i32* %q1, align 4, !alias.scope !3, !noalias !0
%add = add i32 %v0, %v1
ret i32 %add
}
; Function Attrs: argmemonly nofree nounwind willreturn
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i64, i1 immarg) #0
; Function Attrs: argmemonly nofree nounwind willreturn
declare void @llvm.memcpy.inline.p0i8.p0i8.i64(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i64 immarg, i1 immarg) #0
declare i8* @mempcpy(i8*, i8*, i64)
attributes #0 = { argmemonly nofree nounwind willreturn }
!0 = !{!1}
!1 = distinct !{!1, !2, !"bax: %p"}
!2 = distinct !{!2, !"bax"}
!3 = !{!4}
!4 = distinct !{!4, !2, !"bax: %q"}
...
---
name: test_memcpy
machineMetadataNodes:
- '!7 = distinct !{!7, !"MemcpyLoweringDomain"}'
- '!9 = distinct !{!9, !7, !"Dst"}'
- '!8 = !{!4, !9}'
- '!5 = !{!1, !6}'
- '!6 = distinct !{!6, !7, !"Src"}'
- '!11 = !{!4, !6}'
- '!10 = !{!1, !9}'
body: |
bb.0 (%ir-block.0):
liveins: $rdi, $rsi
; CHECK-LABEL: name: test_memcpy
; CHECK: [[COPY:%[0-9]+]]:gr64 = COPY $rsi
; CHECK: [[COPY1:%[0-9]+]]:gr64 = COPY $rdi
; CHECK: [[MOV64rm:%[0-9]+]]:gr64 = MOV64rm [[COPY1]], 1, $noreg, 16, $noreg :: (load (s64) from %ir.p1, align 4, !alias.scope !5, !noalias !8)
; CHECK: [[MOV64rm1:%[0-9]+]]:gr64 = MOV64rm [[COPY1]], 1, $noreg, 24, $noreg :: (load (s64) from %ir.p1 + 8, align 4, !alias.scope !5, !noalias !8)
; CHECK: MOV64mr [[COPY1]], 1, $noreg, 8, $noreg, killed [[MOV64rm1]] :: (store (s64) into %ir.p0 + 8, align 4, !alias.scope !10, !noalias !11)
; CHECK: MOV64mr [[COPY1]], 1, $noreg, 0, $noreg, killed [[MOV64rm]] :: (store (s64) into %ir.p0, align 4, !alias.scope !10, !noalias !11)
; CHECK: [[MOV32rm:%[0-9]+]]:gr32 = MOV32rm [[COPY]], 1, $noreg, 0, $noreg :: (load (s32) from %ir.q, !alias.scope !3, !noalias !0)
; CHECK: [[ADD32rm:%[0-9]+]]:gr32 = ADD32rm [[MOV32rm]], [[COPY]], 1, $noreg, 4, $noreg, implicit-def dead $eflags :: (load (s32) from %ir.q1, !alias.scope !3, !noalias !0)
; CHECK: $eax = COPY [[ADD32rm]]
; CHECK: RET 0, $eax
%1:gr64 = COPY $rsi
%0:gr64 = COPY $rdi
%2:gr64 = MOV64rm %0, 1, $noreg, 16, $noreg :: (load (s64) from %ir.p1, align 4, !alias.scope !5, !noalias !8)
%3:gr64 = MOV64rm %0, 1, $noreg, 24, $noreg :: (load (s64) from %ir.p1 + 8, align 4, !alias.scope !5, !noalias !8)
MOV64mr %0, 1, $noreg, 8, $noreg, killed %3 :: (store (s64) into %ir.p0 + 8, align 4, !alias.scope !10, !noalias !11)
MOV64mr %0, 1, $noreg, 0, $noreg, killed %2 :: (store (s64) into %ir.p0, align 4, !alias.scope !10, !noalias !11)
%4:gr32 = MOV32rm %1, 1, $noreg, 0, $noreg :: (load (s32) from %ir.q, !alias.scope !3, !noalias !0)
%5:gr32 = ADD32rm %4, %1, 1, $noreg, 4, $noreg, implicit-def dead $eflags :: (load (s32) from %ir.q1, !alias.scope !3, !noalias !0)
$eax = COPY %5
RET 0, $eax
...
---
name: test_memcpy_inline
machineMetadataNodes:
- '!8 = !{!4, !9}'
- '!9 = distinct !{!9, !7, !"Dst"}'
- '!5 = !{!1, !6}'
- '!7 = distinct !{!7, !"MemcpyLoweringDomain"}'
- '!11 = !{!4, !6}'
- '!10 = !{!1, !9}'
- '!6 = distinct !{!6, !7, !"Src"}'
body: |
bb.0 (%ir-block.0):
liveins: $rdi, $rsi
; CHECK-LABEL: name: test_memcpy_inline
; CHECK: [[COPY:%[0-9]+]]:gr64 = COPY $rsi
; CHECK: [[COPY1:%[0-9]+]]:gr64 = COPY $rdi
; CHECK: [[MOV64rm:%[0-9]+]]:gr64 = MOV64rm [[COPY1]], 1, $noreg, 16, $noreg :: (load (s64) from %ir.p1, align 4, !alias.scope !5, !noalias !8)
; CHECK: [[MOV64rm1:%[0-9]+]]:gr64 = MOV64rm [[COPY1]], 1, $noreg, 24, $noreg :: (load (s64) from %ir.p1 + 8, align 4, !alias.scope !5, !noalias !8)
; CHECK: MOV64mr [[COPY1]], 1, $noreg, 8, $noreg, killed [[MOV64rm1]] :: (store (s64) into %ir.p0 + 8, align 4, !alias.scope !10, !noalias !11)
; CHECK: MOV64mr [[COPY1]], 1, $noreg, 0, $noreg, killed [[MOV64rm]] :: (store (s64) into %ir.p0, align 4, !alias.scope !10, !noalias !11)
; CHECK: [[MOV32rm:%[0-9]+]]:gr32 = MOV32rm [[COPY]], 1, $noreg, 0, $noreg :: (load (s32) from %ir.q, !alias.scope !3, !noalias !0)
; CHECK: [[ADD32rm:%[0-9]+]]:gr32 = ADD32rm [[MOV32rm]], [[COPY]], 1, $noreg, 4, $noreg, implicit-def dead $eflags :: (load (s32) from %ir.q1, !alias.scope !3, !noalias !0)
; CHECK: $eax = COPY [[ADD32rm]]
; CHECK: RET 0, $eax
%1:gr64 = COPY $rsi
%0:gr64 = COPY $rdi
%2:gr64 = MOV64rm %0, 1, $noreg, 16, $noreg :: (load (s64) from %ir.p1, align 4, !alias.scope !5, !noalias !8)
%3:gr64 = MOV64rm %0, 1, $noreg, 24, $noreg :: (load (s64) from %ir.p1 + 8, align 4, !alias.scope !5, !noalias !8)
MOV64mr %0, 1, $noreg, 8, $noreg, killed %3 :: (store (s64) into %ir.p0 + 8, align 4, !alias.scope !10, !noalias !11)
MOV64mr %0, 1, $noreg, 0, $noreg, killed %2 :: (store (s64) into %ir.p0, align 4, !alias.scope !10, !noalias !11)
%4:gr32 = MOV32rm %1, 1, $noreg, 0, $noreg :: (load (s32) from %ir.q, !alias.scope !3, !noalias !0)
%5:gr32 = ADD32rm %4, %1, 1, $noreg, 4, $noreg, implicit-def dead $eflags :: (load (s32) from %ir.q1, !alias.scope !3, !noalias !0)
$eax = COPY %5
RET 0, $eax
...
---
name: test_mempcpy
machineMetadataNodes:
- '!5 = !{!1, !6}'
- '!8 = !{!4, !9}'
- '!11 = !{!4, !6}'
- '!10 = !{!1, !9}'
- '!7 = distinct !{!7, !"MemcpyLoweringDomain"}'
- '!6 = distinct !{!6, !7, !"Src"}'
- '!9 = distinct !{!9, !7, !"Dst"}'
body: |
bb.0 (%ir-block.0):
liveins: $rdi, $rsi
; CHECK-LABEL: name: test_mempcpy
; CHECK: [[COPY:%[0-9]+]]:gr64 = COPY $rsi
; CHECK: [[COPY1:%[0-9]+]]:gr64 = COPY $rdi
; CHECK: [[MOV64rm:%[0-9]+]]:gr64 = MOV64rm [[COPY1]], 1, $noreg, 16, $noreg :: (load (s64) from %ir.p1, align 1, !alias.scope !5, !noalias !8)
; CHECK: [[MOV64rm1:%[0-9]+]]:gr64 = MOV64rm [[COPY1]], 1, $noreg, 24, $noreg :: (load (s64) from %ir.p1 + 8, align 1, !alias.scope !5, !noalias !8)
; CHECK: MOV64mr [[COPY1]], 1, $noreg, 8, $noreg, killed [[MOV64rm1]] :: (store (s64) into %ir.p0 + 8, align 1, !alias.scope !10, !noalias !11)
; CHECK: MOV64mr [[COPY1]], 1, $noreg, 0, $noreg, killed [[MOV64rm]] :: (store (s64) into %ir.p0, align 1, !alias.scope !10, !noalias !11)
; CHECK: [[MOV32rm:%[0-9]+]]:gr32 = MOV32rm [[COPY]], 1, $noreg, 0, $noreg :: (load (s32) from %ir.q, !alias.scope !3, !noalias !0)
; CHECK: [[ADD32rm:%[0-9]+]]:gr32 = ADD32rm [[MOV32rm]], [[COPY]], 1, $noreg, 4, $noreg, implicit-def dead $eflags :: (load (s32) from %ir.q1, !alias.scope !3, !noalias !0)
; CHECK: $eax = COPY [[ADD32rm]]
; CHECK: RET 0, $eax
%1:gr64 = COPY $rsi
%0:gr64 = COPY $rdi
%2:gr64 = MOV64rm %0, 1, $noreg, 16, $noreg :: (load (s64) from %ir.p1, align 1, !alias.scope !5, !noalias !8)
%3:gr64 = MOV64rm %0, 1, $noreg, 24, $noreg :: (load (s64) from %ir.p1 + 8, align 1, !alias.scope !5, !noalias !8)
MOV64mr %0, 1, $noreg, 8, $noreg, killed %3 :: (store (s64) into %ir.p0 + 8, align 1, !alias.scope !10, !noalias !11)
MOV64mr %0, 1, $noreg, 0, $noreg, killed %2 :: (store (s64) into %ir.p0, align 1, !alias.scope !10, !noalias !11)
%4:gr32 = MOV32rm %1, 1, $noreg, 0, $noreg :: (load (s32) from %ir.q, !alias.scope !3, !noalias !0)
%5:gr32 = ADD32rm %4, %1, 1, $noreg, 4, $noreg, implicit-def dead $eflags :: (load (s32) from %ir.q1, !alias.scope !3, !noalias !0)
$eax = COPY %5
RET 0, $eax
...
|
