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
|
# RUN: llc -mtriple powerpc-unknown-aix-xcoff -x mir -mcpu=pwr4 -mattr=-altivec \
# RUN: -run-pass=prologepilog --verify-machineinstrs < %s | \
# RUN: FileCheck %s --check-prefixes=CHECK
---
name: CRMultiSave
alignment: 16
tracksRegLiveness: true
liveins:
- { reg: '$r3', virtual-reg: '' }
body: |
bb.0.entry:
liveins: $r3
renamable $r29 = ANDI_rec killed renamable $r3, 1, implicit-def dead $cr0, implicit-def $cr0gt
renamable $cr2lt = COPY $cr0gt
renamable $cr4lt = COPY $cr0gt
renamable $r3 = COPY $r29
BLR implicit $lr, implicit $rm, implicit $r3
; CHECK-LABEL: fixedStack:
; CHECK-NEXT: - { id: 0, type: spill-slot, offset: -12, size: 4, alignment: 4, stack-id: default,
; CHECK-NEXT: callee-saved-register: '$r29', callee-saved-restored: true, debug-info-variable: '',
; CHECK-NEXT: debug-info-expression: '', debug-info-location: '' }
; CHECK-NEXT: - { id: 1, type: default, offset: 4, size: 4, alignment: 4, stack-id: default,
; CHECK-NEXT: isImmutable: true, isAliased: false, callee-saved-register: '$cr4',
; CHECK-NEXT: callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '',
; CHECK-NEXT: debug-info-location: '' }
; CHECK-LABEL: stack:
; CHECK: bb.0.entry:
; CHECK-NEXT: liveins: $r3, $r29, $cr2, $cr4
; CHECK: $r12 = MFCR implicit killed $cr2, implicit killed $cr4
; CHECK-NEXT: STW killed $r12, 4, $r1
; CHECK-NEXT: STW killed $r29, -12, $r1 :: (store (s32) into %fixed-stack.0)
; CHECK: $r29 = LWZ -12, $r1 :: (load (s32) from %fixed-stack.0)
; CHECK-NEXT: $r12 = LWZ 4, $r1
; CHECK-NEXT: $cr2 = MTOCRF $r12
; CHECK-NEXT: $cr4 = MTOCRF killed $r12
...
---
name: CR3Save
alignment: 16
tracksRegLiveness: true
liveins:
- { reg: '$r3', virtual-reg: '' }
body: |
bb.0.entry:
liveins: $r3
renamable $r14 = ANDI_rec killed renamable $r3, 1, implicit-def dead $cr0, implicit-def $cr0gt
renamable $cr3lt = COPY $cr0gt
renamable $r3 = COPY $r14
BLR implicit $lr, implicit $rm, implicit $r3
; CHECK-LABEL: fixedStack:
; CHECK-NEXT: - { id: 0, type: spill-slot, offset: -72, size: 4, alignment: 8, stack-id: default,
; CHECK-NEXT: callee-saved-register: '$r14', callee-saved-restored: true, debug-info-variable: '',
; CHECK-NEXT: debug-info-expression: '', debug-info-location: '' }
; CHECK-NEXT: - { id: 1, type: default, offset: 4, size: 4, alignment: 4, stack-id: default,
; CHECK-NEXT: isImmutable: true, isAliased: false, callee-saved-register: '$cr3',
; CHECK-NEXT: callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '',
; CHECK-NEXT: debug-info-location: '' }
; CHECK-LABEL: stack:
; CHECK: bb.0.entry:
; CHECK-NEXT: liveins: $r3, $r14, $cr3
; CHECK: $r12 = MFCR implicit killed $cr3
; CHECK-NEXT: STW killed $r12, 4, $r1
; CHECK-NEXT: STW killed $r14, -72, $r1 :: (store (s32) into %fixed-stack.0, align 8)
; CHECK: $r14 = LWZ -72, $r1 :: (load (s32) from %fixed-stack.0, align 8)
; CHECK-NEXT: $r12 = LWZ 4, $r1
; CHECK-NEXT: $cr3 = MTOCRF killed $r12
|
