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21 lines
621 B
LLVM
21 lines
621 B
LLVM
; RUN: opt -S -loop-simplify -disable-output -verify-loop-info -verify-dom-info < %s
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; PR5235
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; When loopsimplify inserts a preheader for this loop, it should add the new
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; block to the enclosing loop and not get confused by the unreachable
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; bogus loop entry.
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define void @is_extract_cab() nounwind {
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entry:
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br label %header
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header: ; preds = %if.end206, %cond.end66, %if.end23
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br label %while.body115
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while.body115: ; preds = %9, %if.end192, %if.end101
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br i1 undef, label %header, label %while.body115
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foo:
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br label %while.body115
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}
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