preincrement case we miss.  xfail until we catch it


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31534 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/PowerPC/mem_update.ll b/test/CodeGen/PowerPC/mem_update.ll
new file mode 100644
index 0000000..5e665f8
--- /dev/null
+++ b/test/CodeGen/PowerPC/mem_update.ll
@@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | llc -march=ppc32 &&
+; RUN: llvm-as < %s | llc -march=ppc32 | not grep addi
+
+; XFAIL: *
+
+int *%test(int *%X,  int *%dest) {
+	%Y = getelementptr int* %X, int 4
+	%A = load int* %Y
+	store int %A, int* %dest
+	ret int* %Y
+}