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21 lines
491 B
21 lines
491 B
# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z13 -start-before=postrapseudos \
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# RUN: %s -o - | FileCheck %s
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#
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# Test that an AHIMuxK pseudo does not result in a COPY (risbhg) if the
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# source and destination registers are the same.
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---
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name: fun
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tracksRegLiveness: true
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body: |
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bb.0:
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$r1h = IIHF 0
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renamable $r1h = nuw nsw AHIMuxK killed renamable $r1h, 4, implicit-def dead $cc
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; CHECK-LABEL: fun
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; CHECK-NOT: risbhg
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; CHECK: aih %r1, 4
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...
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