1 files changed, 23 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2010-11-23-Distributed.ll b/test/Transforms/InstCombine/2010-11-23-Distributed.ll
new file mode 100644
index 0000000..4f8e8dc
--- /dev/null
+++ b/test/Transforms/InstCombine/2010-11-23-Distributed.ll
@@ -0,0 +1,23 @@
+; RUN: opt < %s -instcombine -S | FileCheck %s
+define i32 @foo(i32 %x, i32 %y) {
+; CHECK: @foo
+  %add = add nsw i32 %y, %x
+  %mul = mul nsw i32 %add, %y
+  %square = mul nsw i32 %y, %y
+  %res = sub i32 %mul, %square
+  ret i32 %res
+; CHECK-NEXT: mul i32 %x, %y
+; CHECK-NEXT: ret i32
+}
+
+define i1 @bar(i64 %x, i64 %y) {
+; CHECK: @bar
+  %a = and i64 %y, %x
+; CHECK: and
+; CHECK-NOT: and
+  %not = xor i64 %a, -1
+  %b = and i64 %y, %not
+  %r = icmp eq i64 %b, 0
+  ret i1 %r
+; CHECK: ret i1
+}