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Add a test for the LCSSA issue I just fixed.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29077 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2006-07-09 08:17:30 +00:00
parent e4e1ecd37c
commit bfd4dab888
1 changed files with 31 additions and 0 deletions
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test/Transforms/LCSSA/2006-07-09-NoDominator.ll Normal file
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; RUN: llvm-as < %s | opt -lcssa
%struct.SetJmpMapEntry = type { sbyte*, uint, %struct.SetJmpMapEntry* }
implementation ; Functions:
void %__llvm_sjljeh_try_catching_longjmp_exception() {
entry:
br label %loopentry
loopentry: ; preds = %endif, %entry
%SJE.0 = phi %struct.SetJmpMapEntry* [ null, %entry ], [ %tmp.25, %endif ] ; <%struct.SetJmpMapEntry*> [#uses=1]
br bool false, label %no_exit, label %loopexit
no_exit: ; preds = %loopentry
br bool false, label %then, label %endif
then: ; preds = %no_exit
%tmp.21 = getelementptr %struct.SetJmpMapEntry* %SJE.0, int 0, uint 1 ; <uint*> [#uses=0]
br label %return
endif: ; preds = %after_ret.0, %no_exit
%tmp.25 = load %struct.SetJmpMapEntry** null ; <%struct.SetJmpMapEntry*> [#uses=1]
br label %loopentry
loopexit: ; preds = %loopentry
br label %return
return: ; preds = %after_ret.1, %loopexit, %then
ret void
}