1 files changed, 18 insertions, 0 deletions
diff --git a/test/Analysis/ScalarEvolution/2007-11-18-OrInstruction.ll b/test/Analysis/ScalarEvolution/2007-11-18-OrInstruction.ll
new file mode 100644
index 0000000000..830a40295a
--- /dev/null
+++ b/test/Analysis/ScalarEvolution/2007-11-18-OrInstruction.ll
@@ -0,0 +1,18 @@
+; RUN: llvm-as < %s | opt -analyze -scalar-evolution 2>&1 | grep -e '-->  %b'
+; PR1810
+
+define void @fun() {
+entry:
+        br label %header
+header:
+        %i = phi i32 [ 1, %entry ], [ %i.next, %body ]
+        %cond = icmp eq i32 %i, 10
+        br i1 %cond, label %exit, label %body
+body:
+        %a = mul i32 %i, 5
+        %b = or i32 %a, 1
+        %i.next = add i32 %i, 1
+        br label %header
+exit:        
+        ret void
+}