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---
clang/lib/Basic/Targets.cpp | 14 ++++++++++++++
clang/test/CodeGen/linux-arm-atomic.c | 10 ++++++++++
2 files changed, 24 insertions(+)
Index: llvm-toolchain-snapshot_6.0~svn309319/clang/test/CodeGen/linux-arm-atomic.c
===================================================================
--- llvm-toolchain-snapshot_6.0~svn309319.orig/clang/test/CodeGen/linux-arm-atomic.c
+++ llvm-toolchain-snapshot_6.0~svn309319/clang/test/CodeGen/linux-arm-atomic.c
@@ -1,5 +1,15 @@
// 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
+
+typedef int _Atomic_word;
+_Atomic_word exchange_and_add(volatile _Atomic_word *__mem, int __val) {
+ return __atomic_fetch_add(__mem, __val, __ATOMIC_ACQ_REL);
+}
+
+// CHECK: define {{.*}} @exchange_and_add
+// CHECK: atomicrmw {{.*}} add
+// 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
// RUN: %clang_cc1 %s -emit-llvm -o - -triple=armv6-unknown-freebsd | FileCheck %s
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