forked from OSchip/llvm-project
19 lines
503 B
YAML
19 lines
503 B
YAML
# RUN: llc -o - %s -mtriple=x86_64-- -verify-machineinstrs -run-pass branch-folder | FileCheck %s
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# Check that we do not generate invalid MIR when optimizing condjumps with undef
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# flags on the eflags input (currently we should just bail out).
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---
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# CHECK-LABEL: name: fallundef
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name: fallundef
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tracksRegLiveness: true
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body: |
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bb.0:
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JE_1 %bb.1, implicit undef $eflags
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; CHECK: JE_1 %bb.1, implicit undef $eflags
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JMP_1 %bb.2
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bb.1:
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RET 2, undef $eax
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bb.2:
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RET 0, undef $eax
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...
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