add intrinsics: __builtin_arm_{dmb,dsb} for ARM
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@194513 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Basic/BuiltinsARM.def b/include/clang/Basic/BuiltinsARM.def
index 5a2b573..21bb892 100644
--- a/include/clang/Basic/BuiltinsARM.def
+++ b/include/clang/Basic/BuiltinsARM.def
@@ -61,6 +61,10 @@
// HINT
BUILTIN(__builtin_arm_sevl, "v", "")
+// Data barrier
+BUILTIN(__builtin_arm_dmb, "vUi", "nc")
+BUILTIN(__builtin_arm_dsb, "vUi", "nc")
+
// NEON
#define GET_NEON_BUILTINS
#include "clang/Basic/arm_neon.inc"
diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index 5fe2d03..d059001 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -624,6 +624,8 @@
case ARM::BI__builtin_arm_usat: i = 1; u = 31; break;
case ARM::BI__builtin_arm_vcvtr_f:
case ARM::BI__builtin_arm_vcvtr_d: i = 1; u = 1; break;
+ case ARM::BI__builtin_arm_dmb:
+ case ARM::BI__builtin_arm_dsb: l = 0; u = 15; break;
#define GET_NEON_IMMEDIATE_CHECK
#include "clang/Basic/arm_neon.inc"
#undef GET_NEON_IMMEDIATE_CHECK
diff --git a/test/CodeGen/builtins-arm.c b/test/CodeGen/builtins-arm.c
index f8c7f73..937e1d9 100644
--- a/test/CodeGen/builtins-arm.c
+++ b/test/CodeGen/builtins-arm.c
@@ -22,5 +22,9 @@
void sevl() {
__builtin_arm_sevl();
}
-
// CHECK: call {{.*}} @llvm.arm.sevl
+
+void test_barrier() {
+ __builtin_arm_dmb(1); //CHECK: call {{.*}} @llvm.arm.dmb(i32 1)
+ __builtin_arm_dsb(2); //CHECK: call {{.*}} @llvm.arm.dsb(i32 2)
+}