Fix PR13967.
llvm-svn: 165187
diff --git a/llvm/test/Transforms/IndVarSimplify/crash.ll b/llvm/test/Transforms/IndVarSimplify/crash.ll
index 3335be7..62af42b 100644
--- a/llvm/test/Transforms/IndVarSimplify/crash.ll
+++ b/llvm/test/Transforms/IndVarSimplify/crash.ll
@@ -87,3 +87,29 @@
main.f.exit: ; preds = %"3.i"
unreachable
}
+
+
+; PR13967
+
+define void @f() nounwind ssp {
+bb:
+ br label %bb4
+
+bb4:
+ %tmp = phi i64 [ %tmp5, %bb7 ], [ undef, %bb ]
+ %tmp5 = add nsw i64 %tmp, 1
+ %extract.t1 = trunc i64 %tmp5 to i32
+ br i1 false, label %bb6, label %bb7
+
+bb6:
+ br label %bb7
+
+bb7:
+ %.off0 = phi i32 [ undef, %bb6 ], [ %extract.t1, %bb4 ]
+ %tmp8 = icmp eq i32 %.off0, 0
+ br i1 %tmp8, label %bb9, label %bb4
+
+bb9:
+ ret void
+}
+