Testcase for PR2639.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69867 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/LoopRotate/pr2639.ll b/test/Transforms/LoopRotate/pr2639.ll
new file mode 100644 (file)
index 0000000..67477ad
--- /dev/null
+++ b/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
+}