Check for eqv matching

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21414 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/PowerPC/eqv.ll

@@ -0,0 +1,13 @@
+; RUN: llvm-as < %s | llc -march=ppc32 | grep eqv | wc -l | grep 2
+
+int %test1(int %X, int %Y) {
+	%A = xor int %X, %Y
+	%B = xor int %A, -1
+	ret int %B
+}
+
+int %test2(int %X, int %Y) {
+	%A = xor int %X, %Y
+	%B = xor int %A, -1
+	ret int %B
+}