From f5bf464b701908d16f7cee0bbf2b8c8df4f3a917 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 9 Apr 2011 07:25:58 +0000 Subject: fix PR9523, a crash in looprotate on a non-canonical loop made out of indirectbr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129203 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/LoopRotate/crash.ll | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'test') diff --git a/test/Transforms/LoopRotate/crash.ll b/test/Transforms/LoopRotate/crash.ll index 9dc9862..16a6868 100644 --- a/test/Transforms/LoopRotate/crash.ll +++ b/test/Transforms/LoopRotate/crash.ll @@ -137,3 +137,19 @@ bb17: ; preds = %bb15 } + + +; PR9523 - Non-canonical loop. +define void @test7(i8* %P) nounwind { +entry: + indirectbr i8* %P, [label %"3", label %"5"] + +"3": ; preds = %"4", %entry + br i1 undef, label %"5", label %"4" + +"4": ; preds = %"3" + br label %"3" + +"5": ; preds = %"3", %entry + ret void +} -- cgit v1.1