forked from OSchip/llvm-project
40 lines
1.2 KiB
YAML
40 lines
1.2 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -run-pass=simple-register-coalescing -o - %s | FileCheck -check-prefix=GCN %s
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# Test used to crash with message:
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# JoinVals::ConflictResolution (anonymous namespace)::JoinVals::analyzeValue(unsigned int, (anonymous namespace)::JoinVals &): Assertion `DefMI != nullptr' failed
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---
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name: test
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tracksRegLiveness: true
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body: |
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; GCN-LABEL: name: test
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; GCN: bb.0:
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; GCN: successors: %bb.2(0x80000000)
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; GCN: undef %1.sub0:vreg_128 = IMPLICIT_DEF
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; GCN: %1.sub1:vreg_128 = IMPLICIT_DEF
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; GCN: S_BRANCH %bb.2
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; GCN: bb.1:
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; GCN: successors: %bb.2(0x80000000)
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; GCN: [[DEF:%[0-9]+]]:vreg_128 = IMPLICIT_DEF
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; GCN: bb.2:
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; GCN: [[DEF]].sub2:vreg_128 = COPY undef %3:sreg_32
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; GCN: S_ENDPGM 0, implicit [[DEF]]
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bb.0:
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undef %0.sub0:vreg_128 = IMPLICIT_DEF
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%0.sub1:vreg_128 = IMPLICIT_DEF
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%1:vreg_128 = COPY %0
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%2:vreg_128 = COPY killed %0
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S_BRANCH %bb.2
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bb.1:
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%1:vreg_128 = COPY killed undef %1
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bb.2:
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%1.sub2:vreg_128 = COPY undef %3:sreg_32
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%2:vreg_128 = COPY killed %1
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%4:vreg_128 = COPY killed %2
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S_ENDPGM 0, implicit killed %4
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...
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