LoopRotate: When reconstructing loop simplify form don't split edges from indirectbrs.

[oota-llvm.git] / test / Transforms / LoopRotate / crash.ll

diff --git a/test/Transforms/LoopRotate/crash.ll b/test/Transforms/LoopRotate/crash.ll
index fd922cb5569eb78ac68725eb0a18419f184aeaf5..e95f9a1f350f823100f43826df28882da1182d33 100644 (file)
--- a/test/Transforms/LoopRotate/crash.ll
+++ b/test/Transforms/LoopRotate/crash.ll
@@ -153,3 +153,21 @@ entry:
 "5":                                              ; preds = %"3", %entry
   ret void
 }
+
+; PR21968
+define void @test8(i1 %C, i8* %P) #0 {
+entry:
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.inc, %entry
+  br i1 %C, label %l_bad, label %for.body
+
+for.body:                                         ; preds = %for.cond
+  indirectbr i8* %P, [label %for.inc, label %l_bad]
+
+for.inc:                                          ; preds = %for.body
+  br label %for.cond
+
+l_bad:                                            ; preds = %for.body, %for.cond
+  ret void
+}