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cddac3ca8f
This commit serializes the sub register indices from the register machine operands. Reviewers: Duncan P. N. Exon Smith llvm-svn: 242084
32 lines
732 B
YAML
32 lines
732 B
YAML
# RUN: not llc -march=x86-64 -start-after machine-sink -stop-after machine-sink -o /dev/null %s 2>&1 | FileCheck %s
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# This test ensures that an error is reported when an unknown subregister index
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# is encountered.
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--- |
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define zeroext i1 @t(i1 %c) {
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entry:
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ret i1 %c
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}
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...
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---
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name: t
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isSSA: true
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tracksRegLiveness: true
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registers:
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- { id: 0, class: gr32 }
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- { id: 1, class: gr8 }
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- { id: 2, class: gr8 }
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body:
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- name: entry
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id: 0
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instructions:
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- '%0 = COPY %edi'
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# CHECK: [[@LINE+1]]:23: use of unknown subregister index 'bit8'
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- '%1 = COPY %0:bit8'
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- '%2 = AND8ri %1, 1, implicit-def %eflags'
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- '%al = COPY %2'
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- 'RETQ %al'
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...
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