# 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 $r3
; CHECK-LABEL: fixedStack:
; CHECK-NEXT: - { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4, stack-id: default,
; CHECK-NEXT: callee-saved-register: '$r31', callee-saved-restored: true, debug-info-variable: '',
; CHECK-NEXT: debug-info-expression: '', debug-info-location: '' }
; CHECK-NEXT: - { id: 1, type: spill-slot, offset: -8, size: 4, alignment: 8, stack-id: default,
; CHECK-NEXT: callee-saved-register: '$r30', callee-saved-restored: true, debug-info-variable: '',
; CHECK-NEXT: debug-info-expression: '', debug-info-location: '' }
; CHECK-NEXT: - { id: 2, type: spill-slot, offset: -12, size: 4, alignment: 4, stack-id: default,
; CHECK-NEXT: callee-saved-register: '$r29', callee-saved-restored: true, debug-info-variable: '',
; CHECK-NEXT: debug-info-expression: '', debug-info-location: '' }
; CHECK-NEXT: - { id: 3, 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, $r30, $r31, $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.2)
; CHECK-NEXT: STW killed $r30, -8, $r1 :: (store (s32) into %fixed-stack.1, align 8)
; CHECK-NEXT: STW killed $r31, -4, $r1 :: (store (s32) into %fixed-stack.0)
; CHECK: $r31 = LWZ -4, $r1 :: (load (s32) from %fixed-stack.0)
; CHECK-NEXT: $r30 = LWZ -8, $r1 :: (load (s32) from %fixed-stack.1, align 8)
; CHECK-NEXT: $r29 = LWZ -12, $r1 :: (load (s32) from %fixed-stack.2)
; 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 $r31 = ANDI_rec killed renamable $r3, 1, implicit-def dead $cr0, implicit-def $cr0gt
renamable $cr3lt = COPY $cr0gt
renamable $r3 = COPY $r31
BLR implicit $lr, implicit $rm, implicit $r3
; CHECK-LABEL: fixedStack:
; CHECK-NEXT: - { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4, stack-id: default,
; CHECK-NEXT: callee-saved-register: '$r31', 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, $r31, $cr3
; CHECK: $r12 = MFCR implicit killed $cr3
; CHECK-NEXT: STW killed $r12, 4, $r1
; CHECK-NEXT: STW killed $r31, -4, $r1 :: (store (s32) into %fixed-stack.0)
; CHECK: $r31 = LWZ -4, $r1 :: (load (s32) from %fixed-stack.0)
; CHECK-NEXT: $r12 = LWZ 4, $r1
; CHECK-NEXT: $cr3 = MTOCRF killed $r12
Codebase Browser
llvm