AArch64: teach Clang about __clear_cache intrinsic

libgcc provides a __clear_cache intrinsic on AArch64, much like it
does on 32-bit ARM.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181111 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 27 insertions, 0 deletions

diff --git a/include/clang/Basic/BuiltinsAArch64.def b/include/clang/Basic/BuiltinsAArch64.def
new file mode 100644
index 0000000000..9e9f6d0875
--- /dev/null
+++ b/include/clang/Basic/BuiltinsAArch64.def
@@ -0,0 +1,18 @@
+//===-- BuiltinsAArch64.def - AArch64 Builtin function database -*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the AArch64-specific builtin function database.  Users of
+// this file must define the BUILTIN macro to make use of this information.
+//
+//===----------------------------------------------------------------------===//
+
+// The format of this database matches clang/Basic/Builtins.def.
+
+// In libgcc
+BUILTIN(__clear_cache, "vv*v*", "")
diff --git a/include/clang/Basic/TargetBuiltins.h b/include/clang/Basic/TargetBuiltins.h
index 1d5004c370..66e378fa9b 100644
--- a/include/clang/Basic/TargetBuiltins.h
+++ b/include/clang/Basic/TargetBuiltins.h
@@ -21,6 +21,15 @@
 
 namespace clang {
 
+  /// \brief AArch64 builtins
+  namespace AArch64 {
+    enum {
+      LastTIBuiltin = clang::Builtin::FirstTSBuiltin-1,
+#define BUILTIN(ID, TYPE, ATTRS) BI##ID,
+#include "clang/Basic/BuiltinsAArch64.def"
+      LastTSBuiltin
+    };
+  }
   /// \brief ARM builtins
   namespace ARM {
     enum {