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llvm-6502/test/Transforms/LoopSimplify/unreachable-loop-pred.ll
Cameron Zwarich 4a60b932a2 Rename 'loopsimplify' to 'loop-simplify'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125317 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-10 23:38:10 +00:00

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LLVM

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