Use atomic instructions on linux thumb v7.
This matches gcc's behaviour. The patch also explicitly parses the version so
that this keeps working when we add support for v8.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181750 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/linux-arm-atomic.c b/test/CodeGen/linux-arm-atomic.c
index 3fda7f6..c7ce1d2 100644
--- a/test/CodeGen/linux-arm-atomic.c
+++ b/test/CodeGen/linux-arm-atomic.c
@@ -1,5 +1,6 @@
// RUN: %clang_cc1 %s -emit-llvm -o - -triple=armv7-unknown-linux | FileCheck %s
// RUN: %clang_cc1 %s -emit-llvm -o - -triple=armv6-unknown-linux | FileCheck %s
+// RUN: %clang_cc1 %s -emit-llvm -o - -triple=thumbv7-unknown-linux | FileCheck %s
typedef int _Atomic_word;
_Atomic_word exchange_and_add(volatile _Atomic_word *__mem, int __val) {