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# RUN: llc -mtriple=aarch64 -run-pass machinelicm -verify-machineinstrs -o - %s | FileCheck %s
---
name: test
tracksRegLiveness: true
registers:
- { id: 0, class: gpr64 }
stack:
- { id: 0, size: 8, type: spill-slot }
body: |
bb.0:
; CHECK-LABEL: name: test
; CHECK-LABEL: bb.0:
; CHECK: $x2 = LDRXui %stack.0, 0
liveins: $x0, $x1, $x2
B %bb.1
bb.1:
; CHECK-LABEL: bb.1:
; CHECK-NOT: $x2 = LDRXui %stack.0, 0
; CHECK: $x0 = ADDXrr $x0, $x2
liveins: $x0
DBG_VALUE %stack.0, 0
$x2 = LDRXui %stack.0, 0 :: (load (s64) from %stack.0)
$x0 = ADDXrr $x0, killed $x2
$xzr = SUBSXri killed $x0, 1, 0, implicit-def $nzcv
Bcc 11, %bb.1, implicit $nzcv
B %bb.2
bb.2:
liveins: $x0
%0 = COPY $x0
%0 = COPY $x0 ; Force isSSA = false.
...
---
name: test2
tracksRegLiveness: true
registers:
- { id: 0, class: gpr64 }
stack:
- { id: 0, size: 8, type: spill-slot }
body: |
bb.0:
; CHECK-LABEL: name: test2
; CHECK-LABEL: bb.0:
; CHECK: $x2 = LDRXui %stack.0, 0
liveins: $x0, $x1, $x2
B %bb.1
bb.1:
; CHECK-LABEL: bb.1:
; CHECK-NOT: $x2 = LDRXui %stack.0, 0
; CHECK: $w0 = ADDWrr $w0, $w2
liveins: $x0
DBG_VALUE %stack.0, 0
$x2 = LDRXui %stack.0, 0 :: (load (s64) from %stack.0)
$w0 = ADDWrr $w0, killed $w2
$wzr = SUBSWri killed $w0, 1, 0, implicit-def $nzcv
Bcc 11, %bb.1, implicit $nzcv
B %bb.2
bb.2:
liveins: $x0
%0 = COPY $x0
%0 = COPY $x0 ; Force isSSA = false.
...
|
