1 files changed, 19 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/and-xor-merge.ll b/test/Transforms/InstCombine/and-xor-merge.ll
new file mode 100644
index 0000000..c53ebc6
--- /dev/null
+++ b/test/Transforms/InstCombine/and-xor-merge.ll
@@ -0,0 +1,19 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep and | wc -l | grep 1
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep xor | wc -l | grep 2
+
+; (x&z) ^ (y&z) -> (x^y)&z
+define i32 @test1(i32 %x, i32 %y, i32 %z) {
+        %tmp3 = and i32 %z, %x
+        %tmp6 = and i32 %z, %y
+        %tmp7 = xor i32 %tmp3, %tmp6
+        ret i32 %tmp7
+}
+
+; (x & y) ^ (x|y) -> x^y
+define i32 @test2(i32 %x, i32 %y, i32 %z) {
+        %tmp3 = and i32 %y, %x
+        %tmp6 = or i32 %y, %x
+        %tmp7 = xor i32 %tmp3, %tmp6
+        ret i32 %tmp7
+}
+