1 files changed, 23 insertions, 0 deletions
diff --git a/test/Transforms/GVN/commute.ll b/test/Transforms/GVN/commute.ll
new file mode 100644
index 0000000..cf4fb7f
--- /dev/null
+++ b/test/Transforms/GVN/commute.ll
@@ -0,0 +1,23 @@
+; RUN: opt -gvn -S < %s | FileCheck %s
+
+declare void @use(i32, i32)
+
+define void @foo(i32 %x, i32 %y) {
+  ; CHECK: @foo
+  %add1 = add i32 %x, %y
+  %add2 = add i32 %y, %x
+  call void @use(i32 %add1, i32 %add2)
+  ; CHECK: @use(i32 %add1, i32 %add1)
+  ret void
+}
+
+declare void @vse(i1, i1)
+
+define void @bar(i32 %x, i32 %y) {
+  ; CHECK: @bar
+  %cmp1 = icmp ult i32 %x, %y
+  %cmp2 = icmp ugt i32 %y, %x
+  call void @vse(i1 %cmp1, i1 %cmp2)
+  ; CHECK: @vse(i1 %cmp1, i1 %cmp1)
+  ret void
+}