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
|
; RUN: llc < %s -march=arm -pre-RA-sched=source | FileCheck %s -check-prefix=EXPANDED
; RUN: llc < %s -mtriple=armv6-apple-darwin -mcpu=cortex-a8 -mattr=-neon -arm-strict-align -pre-RA-sched=source | FileCheck %s -check-prefix=EXPANDED
; RUN: llc < %s -mtriple=armv6-apple-darwin -mcpu=cortex-a8 | FileCheck %s -check-prefix=UNALIGNED
; rdar://7113725
; rdar://12091029
define void @t(i8* nocapture %a, i8* nocapture %b) nounwind {
entry:
; EXPANDED-LABEL: t:
; EXPANDED: ldrb [[R2:r[0-9]+]]
; EXPANDED: ldrb [[R3:r[0-9]+]]
; EXPANDED: ldrb [[R12:r[0-9]+]]
; EXPANDED: ldrb [[R1:r[0-9]+]]
; EXPANDED: strb [[R1]]
; EXPANDED: strb [[R12]]
; EXPANDED: strb [[R3]]
; EXPANDED: strb [[R2]]
; UNALIGNED-LABEL: t:
; UNALIGNED: ldr r1
; UNALIGNED: str r1
%__src1.i = bitcast i8* %b to i32* ; <i32*> [#uses=1]
%__dest2.i = bitcast i8* %a to i32* ; <i32*> [#uses=1]
%tmp.i = load i32* %__src1.i, align 1 ; <i32> [#uses=1]
store i32 %tmp.i, i32* %__dest2.i, align 1
ret void
}
define void @hword(double* %a, double* %b) nounwind {
entry:
; EXPANDED-LABEL: hword:
; EXPANDED-NOT: vld1
; EXPANDED: ldrh
; EXPANDED-NOT: str1
; EXPANDED: strh
; UNALIGNED-LABEL: hword:
; UNALIGNED: vld1.16
; UNALIGNED: vst1.16
%tmp = load double* %a, align 2
store double %tmp, double* %b, align 2
ret void
}
define void @byte(double* %a, double* %b) nounwind {
entry:
; EXPANDED-LABEL: byte:
; EXPANDED-NOT: vld1
; EXPANDED: ldrb
; EXPANDED-NOT: str1
; EXPANDED: strb
; UNALIGNED-LABEL: byte:
; UNALIGNED: vld1.8
; UNALIGNED: vst1.8
%tmp = load double* %a, align 1
store double %tmp, double* %b, align 1
ret void
}
define void @byte_word_ops(i32* %a, i32* %b) nounwind {
entry:
; EXPANDED-LABEL: byte_word_ops:
; EXPANDED: ldrb
; EXPANDED: strb
; UNALIGNED-LABEL: byte_word_ops:
; UNALIGNED-NOT: ldrb
; UNALIGNED: ldr
; UNALIGNED-NOT: strb
; UNALIGNED: str
%tmp = load i32* %a, align 1
store i32 %tmp, i32* %b, align 1
ret void
}
|
