25 lines
741 B
Plaintext
25 lines
741 B
Plaintext
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# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z196 -O0 -start-after=finalize-isel \
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# RUN: -stop-before=regallocfast -o - %s | FileCheck %s
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# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z196 -O3 -start-after=finalize-isel \
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# RUN: -stop-before=livevars -o - %s | FileCheck %s
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#
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# Test that a COPY from CC gets implemented with an IPM to a GR32 reg.
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---
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name: fun0
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tracksRegLiveness: true
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registers:
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- { id: 0, class: grx32bit }
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body: |
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bb.0:
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liveins: $cc
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; CHECK-LABEL: name: fun0
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; CHECK: %1:gr32bit = IPM implicit $cc
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; CHECK-NEXT: %0:grx32bit = COPY %1
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; CHECK-NEXT: $r2l = COPY %0
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; CHECK-NEXT: Return implicit $r2l
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%0:grx32bit = COPY $cc
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$r2l = COPY %0
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Return implicit $r2l
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...
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