Testcase for PR2639.

llvm-svn: 69867

1 files changed, 38 insertions, 0 deletions

diff --git a/llvm/test/Transforms/LoopRotate/pr2639.ll b/llvm/test/Transforms/LoopRotate/pr2639.ll
new file mode 100644
index 00000000000..67477ade996
--- /dev/null
+++ b/llvm/test/Transforms/LoopRotate/pr2639.ll
@@ -0,0 +1,38 @@
+; RUN: llvm-as < %s | opt -loop-deletion -loop-rotate -disable-output
+; PR 2639
+
+	%struct.HexxagonMove = type { i8, i8, i32 }
+
+define void @_ZN16HexxagonMoveList7addMoveER12HexxagonMove() {
+entry:
+	br i1 false, label %bb9.preheader, label %bb11
+
+bb9.preheader:		; preds = %entry
+	br label %bb9
+
+bb1:		; preds = %bb9
+	br i1 false, label %bb3, label %bb8
+
+bb3:		; preds = %bb1
+	br label %bb5
+
+bb4:		; preds = %bb5
+	br label %bb5
+
+bb5:		; preds = %bb4, %bb3
+	%exitcond = icmp eq i32 0, 0		; <i1> [#uses=1]
+	br i1 %exitcond, label %bb7, label %bb4
+
+bb7:		; preds = %bb5
+	store %struct.HexxagonMove* null, %struct.HexxagonMove** null, align 4
+	br label %bb8
+
+bb8:		; preds = %bb7, %bb1
+	br label %bb9
+
+bb9:		; preds = %bb8, %bb9.preheader
+	br i1 false, label %bb11, label %bb1
+
+bb11:		; preds = %bb9, %entry
+	ret void
+}