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llvm-mirror/test/Transforms/LoopSimplify/2010-07-15-IncorrectDomFrontierUpdate.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

21 lines
666 B
LLVM

; RUN: opt < %s -domfrontier -loop-simplify -domfrontier -verify-dom-info -analyze
define void @a() nounwind {
entry:
br i1 undef, label %bb37, label %bb1.i
bb1.i: ; preds = %bb1.i, %bb
%indvar = phi i64 [ %indvar.next, %bb1.i ], [ 0, %entry ] ; <i64> [#uses=1]
%indvar.next = add i64 %indvar, 1 ; <i64> [#uses=2]
%exitcond = icmp eq i64 %indvar.next, 576 ; <i1> [#uses=1]
br i1 %exitcond, label %bb37, label %bb1.i
bb37: ; preds = %bb1.i, %bb
br label %return
return: ; preds = %bb39
ret void
}