forked from OSchip/llvm-project
64 lines
1.8 KiB
Plaintext
64 lines
1.8 KiB
Plaintext
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# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z13 -run-pass=postra-machine-sink -verify-machineinstrs -o - %s | FileCheck %s
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---
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# Don't sink COPY to bb.2 since SLLK define r13l that is aliased with r12q.
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# CHECK-LABEL: name: donot_sink_copy
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# CHECK-LABEL: bb.0:
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# CHECK: renamable $r0l = COPY renamable $r12l, implicit killed $r12q
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# CHECK-LABEL: bb.2:
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# CHECK-NOT: COPY
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name: donot_sink_copy
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tracksRegLiveness: true
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body: |
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bb.0 :
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successors: %bb.1, %bb.2
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liveins: $r2d, $r3d, $r4d, $r5d, $r12q
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renamable $r0l = COPY renamable $r12l, implicit killed $r12q
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renamable $r13l = SLLK renamable $r4l, $noreg, 1
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CHIMux renamable $r3l, 0, implicit-def $cc, implicit killed $r3d
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BRC 14, 6, %bb.2, implicit killed $cc
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J %bb.1
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bb.1:
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successors:
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bb.2:
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successors:
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liveins: $r2d, $r4d, $r5d, $r0l, $r13l
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renamable $r0d = LGFR killed renamable $r0l
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renamable $r11d = LGFR killed renamable $r13l
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...
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# Don't sink COPY to bb.2 since SLLK use r1l that is aliased with r0q.
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# CHECK-LABEL: name: donot_sink_copy2
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# CHECK-LABEL: bb.0:
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# CHECK: renamable $r0l = COPY renamable $r12l, implicit-def $r0q
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# CHECK-LABEL: bb.2:
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# CHECK-NOT: COPY
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name: donot_sink_copy2
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tracksRegLiveness: true
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body: |
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bb.0 :
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successors: %bb.1, %bb.2
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liveins: $r2d, $r3d, $r4d, $r5d, $r12q
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renamable $r0l = COPY renamable $r12l, implicit def $r0q
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renamable $r13l = SLLK renamable $r1l, $noreg, 1
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CHIMux renamable $r3l, 0, implicit-def $cc, implicit killed $r3d
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BRC 14, 6, %bb.2, implicit killed $cc
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J %bb.1
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bb.1:
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successors:
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bb.2:
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successors:
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liveins: $r2d, $r4d, $r5d, $r0l, $r13l
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renamable $r0d = LGFR killed renamable $r0l
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renamable $r11d = LGFR killed renamable $r13l
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...
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