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New testcase that crashes the loop extractor

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12399 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-03-14 22:16:52 +00:00
parent a1cf1c8c87
commit 3b04a7a131
1 changed files with 27 additions and 0 deletions
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27
test/Transforms/CodeExtractor/2004-03-14-NoSwitchSupport.ll Normal file
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; RUN: llvm-as < %s | opt -loop-extract-single -disable-output
void %ab() {
entry:
br label %codeReplTail
then.1: ; preds = %codeReplTail
br label %loopentry.1
loopentry.1: ; preds = %loopentry.1.preheader, %no_exit.1
br bool false, label %no_exit.1, label %loopexit.0.loopexit1
no_exit.1: ; preds = %loopentry.1
br label %loopentry.1
loopexit.0.loopexit: ; preds = %codeReplTail
ret void
loopexit.0.loopexit1: ; preds = %loopentry.1
ret void
codeReplTail: ; preds = %codeRepl, %codeReplTail
switch ushort 0, label %codeReplTail [
ushort 0, label %loopexit.0.loopexit
ushort 1, label %then.1
]
}