Teach Clang about the PPC64 memory sanitizer implementation.

Summary:
This is the Clang part of the PPC64 memory sanitizer implementation in
D10648.

Reviewers: kcc, eugenis, willschm, wschmidt, samsonov

Reviewed By: samsonov

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D10650

llvm-svn: 240628
diff --git a/clang/test/Driver/fsanitize.c b/clang/test/Driver/fsanitize.c
index 1c39feb..b124b5b 100644
--- a/clang/test/Driver/fsanitize.c
+++ b/clang/test/Driver/fsanitize.c
@@ -263,3 +263,7 @@
 // SP: "-fsanitize=safe-stack"
 // SP-ASAN-NOT: stack-protector
 // SP-ASAN: "-fsanitize=address,safe-stack"
+
+// RUN: %clang -target powerpc64-unknown-linux-gnu -fsanitize=memory %s -### 2>&1 | FileCheck %s -check-prefix=CHECK-SANM
+// RUN: %clang -target powerpc64le-unknown-linux-gnu -fsanitize=memory %s -### 2>&1 | FileCheck %s -check-prefix=CHECK-SANM
+// CHECK-SANM: "-fsanitize=memory"