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llvm-mirror/test/CodeGen/AArch64/bisect-post-ra-machine-sink.mir

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# RUN: llc -mtriple=aarch64-none-linux-gnu -run-pass=postra-machine-sink -verify-machineinstrs -o - %s | FileCheck -check-prefix=RUN-POSTRA %s
# RUN: llc -mtriple=aarch64-none-linux-gnu -run-pass=postra-machine-sink -opt-bisect-limit=0 -verify-machineinstrs -o - %s | FileCheck -check-prefix=BISECT-NO-RUN-POSTRA %s
---
# Make sure the pass is run.
# Sink w19 to %bb.1.
# RUN-POSTRA-LABEL: name: sinkcopy1
# RUN-POSTRA: bb.0:
# RUN-POSTRA-NOT: $w19 = COPY killed $w0
# RUN-POSTRA: bb.1:
# RUN-POSTRA: liveins: $w0, $w1
# RUN-POSTRA: renamable $w19 = COPY killed $w0
# Make sure the pass it not run.
# BISECT-NO-RUN-POSTRA-LABEL: name: sinkcopy1
# BISECT-NO-RUN-POSTRA: bb.0:
# BISECT-NO-RUN-POSTRA: $w19 = COPY killed $w0
# BISECT-NO-RUN-POSTRA: bb.1:
# BISECT-NO-RUN-POSTRA: liveins: $w1, $w19
name: sinkcopy1
tracksRegLiveness: true
body: |
bb.0:
liveins: $w0, $w1
$w1 = SUBSWri $w1, 1, 0, implicit-def $nzcv
renamable $w19 = COPY killed $w0
Bcc 11, %bb.1, implicit $nzcv
B %bb.2
bb.1:
liveins: $w1, $w19
$w0 = ADDWrr $w1, $w19
RET $x0
bb.2:
$w0 = COPY $wzr
RET $x0
...