File: cmpxchg.mir

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# RUN: llc -o - %s -mtriple=armv7-unknown-linux-gnu -verify-machineinstrs -run-pass=arm-pseudo | FileCheck %s
---
# CHECK-LABEL: name: func
name: func
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $r0_r1, $r4_r5, $r3, $lr
    dead early-clobber renamable $r0_r1, dead early-clobber renamable $r2 = CMP_SWAP_64 killed renamable $r3, killed renamable $r4_r5, renamable $r4_r5 :: (volatile load store monotonic monotonic 8)
    ; CHECK: bb.0:
    ; CHECK:   liveins: $r0_r1, $r4_r5, $r3, $lr
    ; CHECK: bb.1:
    ; CHECK:   liveins: $r4_r5, $r3
    ; CHECK:   $r0_r1 = LDREXD $r3, 14, $noreg
    ; CHECK:   CMPrr killed $r0, $r4, 14, $noreg, implicit-def $cpsr
    ; CHECK:   CMPrr killed $r1, $r5, 0, killed $cpsr, implicit-def $cpsr
    ; CHECK:   Bcc %bb.3, 1, killed $cpsr
    ; CHECK: bb.2:
    ; CHECK:   liveins: $r4_r5, $r3
    ; CHECK:   early-clobber $r2 = STREXD $r4_r5, $r3, 14, $noreg
    ; CHECK:   CMPri killed $r2, 0, 14, $noreg, implicit-def $cpsr
    ; CHECK:   Bcc %bb.1, 1, killed $cpsr
    ; CHECK: bb.3:
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