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Add testcase for when there is no loop header

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2611 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-05-10 22:43:26 +00:00
parent 8672a4eb8c
commit fe8f5b5ad7
1 changed files with 21 additions and 0 deletions
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21
test/Transforms/LICM/no-preheader-test.ll Normal file
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; Test that LICM works when there is not a loop-preheader
; RUN: as < %s | opt -licm | dis
void "testfunc"(int %i, bool %ifcond) {
br bool %ifcond, label %Then, label %Else
Then:
br label %Loop
Else:
br label %Loop
Loop:
%j = phi uint [0, %Then], [12, %Else], [%Next, %Loop]
%i = cast int %i to uint
%i2 = mul uint %i, 17
%Next = add uint %j, %i2
%cond = seteq uint %Next, 0
br bool %cond, label %Out, label %Loop
Out:
ret void
}