-; RUN: opt -loop-rotate %s -disable-output -verify-dom-info -verify-loop-info
+; RUN: opt -loop-rotate -disable-output -verify-dom-info -verify-loop-info < %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin10.0.0"
br i1 false, label %bb141, label %bb131
bb131: ; preds = %bb116
- %mrv_gr125 = getresult %struct.NSRange %tmp123, 1 ; <i64> [#uses=0]
+ %mrv_gr125 = extractvalue %struct.NSRange %tmp123, 1 ; <i64> [#uses=0]
br label %bb116
bb141: ; preds = %bb116
}
+
+
+; 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
+}