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25 lines
525 B
25 lines
525 B
; RUN: llc -o - %s | FileCheck %s
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target triple = "x86_64--"
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; Make sure we do not crash in tail duplication when finding no successor of a
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; block.
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; CHECK-LABEL: func:
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; CHECK: testb
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; CHECK: je
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; CHECK: retq
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; CHECK: jmp
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define hidden void @func() {
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entry:
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br i1 undef, label %for.cond.cleanup, label %while.cond.preheader
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while.cond.preheader:
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br label %while.cond
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for.cond.cleanup:
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ret void
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while.cond:
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%cmp.i202 = icmp eq i8* undef, undef
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br i1 %cmp.i202, label %while.cond.preheader, label %while.cond
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}
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