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#RUN: llc -mtriple=aarch64-- -mcpu=cyclone -run-pass machine-scheduler -o - %s | FileCheck %s
---
name: merge_stack
# CHECK-LABEL: name: merge_stack
tracksRegLiveness: true
stack:
- { id: 0, size: 16, alignment: 8 }
body: |
bb.0:
liveins: $w0, $w1
%0:gpr32 = COPY $w0
%1:gpr32 = COPY $w1
undef %3.sub_32:gpr64 = ORRWrs $wzr, %0, 0
STRXui %3, %stack.0, 0 :: (store 8)
undef %5.sub_32:gpr64 = ORRWrs $wzr, %1, 0
STRXui %5, %stack.0, 1 :: (store 8)
RET_ReallyLR
; CHECK: COPY
; CHECK-NEXT: COPY
; CHECK-NEXT: ORRWrs
; CHECK-NEXT: ORRWrs
; CHECK-NEXT: STRXui
; CHECK-NEXT: STRXui
; CHECK-NEXT: RET
...
---
name: merge_fixedstack
# CHECK-LABEL: name: merge_fixedstack
tracksRegLiveness: true
fixedStack:
- { id: 0, size: 16, alignment: 8, offset: -16 }
body: |
bb.0:
liveins: $w0, $w1
%0:gpr32 = COPY $w0
%1:gpr32 = COPY $w1
undef %3.sub_32:gpr64 = ORRWrs $wzr, %0, 0
STRXui %3, %fixed-stack.0, 0 :: (store 8)
undef %5.sub_32:gpr64 = ORRWrs $wzr, %1, 0
STRXui %5, %fixed-stack.0, 1 :: (store 8)
RET_ReallyLR
; CHECK: COPY
; CHECK-NEXT: COPY
; CHECK-NEXT: ORRWrs
; CHECK-NEXT: ORRWrs
; CHECK-NEXT: STRXui
; CHECK-NEXT: STRXui
; CHECK-NEXT: RET
...
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