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# RUN: llc -o - %s -mtriple=s390x-linux-gnu -mcpu=z15 -run-pass=systemz-post-rewrite \
# RUN: 2>&1 | FileCheck %s
# The SELRMux has two identical sources - replace with a copy instruction.
# CHECK: name: fun0
# CHECK: renamable $r1l = AHIMuxK killed renamable $r1l, -1, implicit-def dead $cc
# CHECK-NEXT: CHIMux renamable $r5h, 9, implicit-def $cc
# CHECK-NEXT: $r14h = COPY renamable $r1l
---
name: fun0
tracksRegLiveness: true
body: |
bb.0:
liveins: $r1l, $r5h
renamable $r1l = AHIMuxK killed renamable $r1l, -1, implicit-def dead $cc
CHIMux renamable $r5h, 9, implicit-def $cc
renamable $r14h = SELRMux killed renamable $r1l, renamable $r1l, 14, 8, implicit $cc
$r14l = COPY killed renamable $r14h
$r14d = LGFR $r14l
Return implicit $r14d
...
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