1 files changed, 28 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/sdiv-2.ll b/test/Transforms/InstCombine/sdiv-2.ll
new file mode 100644
index 000000000000..db0c7fbccf8e
--- /dev/null
+++ b/test/Transforms/InstCombine/sdiv-2.ll
@@ -0,0 +1,28 @@
+; RUN: llvm-as < %s | opt -instcombine -disable-output
+; PR3144
+
+define fastcc i32 @func(i32 %length) nounwind {
+entry:
+	%0 = icmp ne i32 %length, -1		; <i1> [#uses=1]
+	%iftmp.13.0 = select i1 %0, i128 0, i128 200000000		; <i128> [#uses=2]
+	%1 = sdiv i128 %iftmp.13.0, 10		; <i128> [#uses=1]
+	br label %bb5
+
+bb5:		; preds = %bb8, %entry
+	%v.0 = phi i128 [ 0, %entry ], [ %6, %bb8 ]		; <i128> [#uses=2]
+	%2 = icmp sgt i128 %v.0, %1		; <i1> [#uses=1]
+	br i1 %2, label %overflow, label %bb7
+
+bb7:		; preds = %bb5
+	%3 = mul i128 %v.0, 10		; <i128> [#uses=2]
+	%4 = sub i128 %iftmp.13.0, 0		; <i128> [#uses=1]
+	%5 = icmp slt i128 %4, %3		; <i1> [#uses=1]
+	br i1 %5, label %overflow, label %bb8
+
+bb8:		; preds = %bb7
+	%6 = add i128 0, %3		; <i128> [#uses=1]
+	br label %bb5
+
+overflow:		; preds = %bb7, %bb5
+	ret i32 1
+}