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30 lines
668 B
Plaintext
30 lines
668 B
Plaintext
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# RUN: llc -mtriple=amdgcn--amdpal -run-pass=simple-register-coalescing -o - %s | FileCheck %s
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# Check that this doesn't crash. Check for some legitimate output.
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# CHECK: S_CBRANCH_SCC1
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---
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name: fred
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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: $sgpr4
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undef %0.sub2:sreg_128 = COPY $sgpr4
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%3 = IMPLICIT_DEF
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S_CBRANCH_SCC1 %bb.2, implicit undef $scc
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bb.1:
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successors: %bb.2
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%0.sub0:sreg_128 = COPY %0.sub2
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%0.sub1:sreg_128 = COPY %0.sub2
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%1:sreg_128 = COPY %0
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%2:sreg_128 = COPY %0
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%0:sreg_128 = COPY %2
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%3:sreg_128 = COPY %1
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bb.2:
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$sgpr1 = COPY %3
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$sgpr2 = COPY %0.sub2
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...
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