New test for bug fixed in 50545.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50548 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/LoopRotate/LRCrash-5.ll b/test/Transforms/LoopRotate/LRCrash-5.ll
new file mode 100644 (file)
index 0000000..d61e749
--- /dev/null
+++ b/test/Transforms/LoopRotate/LRCrash-5.ll
@@ -0,0 +1,26 @@
+; RUN: llvm-as < %s | opt -loop-rotate -disable-output
+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"
+target triple = "x86_64-apple-darwin9"
+       %struct.NSArray = type { %struct.NSObject }
+       %struct.NSObject = type { %struct.objc_class* }
+       %struct.NSRange = type { i64, i64 }
+       %struct._message_ref_t = type { %struct.NSObject* (%struct.NSObject*, %struct._message_ref_t*, ...)*, %struct.objc_selector* }
+       %struct.objc_class = type opaque
+       %struct.objc_selector = type opaque
+@"\01L_OBJC_MESSAGE_REF_26" = external global %struct._message_ref_t           ; <%struct._message_ref_t*> [#uses=1]
+
+define %struct.NSArray* @"-[NSString(DocSetPrivateAddition) _dsa_stringAsPathComponent]"(%struct.NSArray* %self, %struct._message_ref_t* %_cmd) {
+entry:
+       br label %bb116
+
+bb116:         ; preds = %bb131, %entry
+       %tmp123 = call %struct.NSRange null( %struct.NSObject* null, %struct._message_ref_t* @"\01L_OBJC_MESSAGE_REF_26", %struct.NSArray* null )               ; <%struct.NSRange> [#uses=1]
+       br i1 false, label %bb141, label %bb131
+
+bb131:         ; preds = %bb116
+       %mrv_gr125 = getresult %struct.NSRange %tmp123, 1               ; <i64> [#uses=0]
+       br label %bb116
+
+bb141:         ; preds = %bb116
+       ret %struct.NSArray* null
+}