1 files changed, 18 insertions, 0 deletions
diff --git a/test/Analysis/ScalarEvolution/do-loop.ll b/test/Analysis/ScalarEvolution/do-loop.ll
new file mode 100644
index 0000000..c6b3298
--- /dev/null
+++ b/test/Analysis/ScalarEvolution/do-loop.ll
@@ -0,0 +1,18 @@
+; RUN: llvm-as < %s | opt -analyze -scalar-evolution | grep smax
+; PR1614
+
+define i32 @f(i32 %x, i32 %y) {
+entry:
+	br label %bb
+
+bb:		; preds = %bb, %entry
+	%indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb ]		; <i32> [#uses=2]
+	%x_addr.0 = add i32 %indvar, %x		; <i32> [#uses=1]
+	%tmp2 = add i32 %x_addr.0, 1		; <i32> [#uses=2]
+	%tmp5 = icmp slt i32 %tmp2, %y		; <i1> [#uses=1]
+	%indvar.next = add i32 %indvar, 1		; <i32> [#uses=1]
+	br i1 %tmp5, label %bb, label %bb7
+
+bb7:		; preds = %bb
+	ret i32 %tmp2
+}