1 files changed, 14 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/udiv-simplify-bug-0.ll b/test/Transforms/InstCombine/udiv-simplify-bug-0.ll
new file mode 100644
index 0000000..bfdd98c
--- /dev/null
+++ b/test/Transforms/InstCombine/udiv-simplify-bug-0.ll
@@ -0,0 +1,14 @@
+; RUN: opt < %s -instcombine -S | grep {ret i64 0} | count 2
+
+define i64 @foo(i32 %x) nounwind {
+  %y = lshr i32 %x, 1
+  %r = udiv i32 %y, -1
+  %z = sext i32 %r to i64
+  ret i64 %z
+}
+define i64 @bar(i32 %x) nounwind {
+  %y = lshr i32 %x, 31
+  %r = udiv i32 %y, 3
+  %z = sext i32 %r to i64
+  ret i64 %z
+}