r194513 - add intrinsics: __builtin_arm_{dmb,dsb} for ARM

[Weiming Zhao]

Author: weimingz
Date: Tue Nov 12 15:42:50 2013
New Revision: 194513

URL: http://llvm.org/viewvc/llvm-project?rev=194513&view=rev
Log:
add intrinsics: __builtin_arm_{dmb,dsb} for ARM

Modified:
    cfe/trunk/include/clang/Basic/BuiltinsARM.def
    cfe/trunk/lib/Sema/SemaChecking.cpp
    cfe/trunk/test/CodeGen/builtins-arm.c

Modified: cfe/trunk/include/clang/Basic/BuiltinsARM.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsARM.def?rev=194513&r1=194512&r2=194513&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsARM.def (original)
+++ cfe/trunk/include/clang/Basic/BuiltinsARM.def Tue Nov 12 15:42:50 2013
@@ -61,6 +61,10 @@ BUILTIN(__builtin_arm_crc32cd, "UiUiLLUi
 // 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"

Modified: cfe/trunk/lib/Sema/SemaChecking.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaChecking.cpp?rev=194513&r1=194512&r2=194513&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaChecking.cpp (original)
+++ cfe/trunk/lib/Sema/SemaChecking.cpp Tue Nov 12 15:42:50 2013
@@ -624,6 +624,8 @@ bool Sema::CheckARMBuiltinFunctionCall(u
   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

Modified: cfe/trunk/test/CodeGen/builtins-arm.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtins-arm.c?rev=194513&r1=194512&r2=194513&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/builtins-arm.c (original)
+++ cfe/trunk/test/CodeGen/builtins-arm.c Tue Nov 12 15:42:50 2013
@@ -22,5 +22,9 @@ void test_eh_return_data_regno()
 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)
+}