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From a014573ad193775b2301e39275a1ca0ac3bb5847 Mon Sep 17 00:00:00 2001
From: Tom Stellard <thomas.stellard@amd.com>
Date: Tue, 13 Mar 2012 13:54:51 -0400
Subject: [PATCH 2/3] r600: Add some target builtins

---
 include/clang/Basic/BuiltinsR600.def |   32 ++++++++++++++++++++++++++++++++
 include/clang/Basic/TargetBuiltins.h |   10 ++++++++++
 lib/Basic/Targets.cpp                |   12 ++++++++++--
 3 files changed, 52 insertions(+), 2 deletions(-)
 create mode 100644 include/clang/Basic/BuiltinsR600.def

diff --git a/include/clang/Basic/BuiltinsR600.def b/include/clang/Basic/BuiltinsR600.def
new file mode 100644
index 0000000..ce1f30e
--- /dev/null
+++ b/include/clang/Basic/BuiltinsR600.def
@@ -0,0 +1,32 @@
+//===--- BuiltinsR600.def - R600 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 R600-specific builtin function database.  Users of
+// this file must define the BUILTIN macro to make use of this information.
+//
+//===----------------------------------------------------------------------===//
+//
+// Authors: Tom Stellard <thomas.stellard@amd.com>
+//
+
+// The format of this database matches clang/Basic/Builtins.def.
+
+BUILTIN(__builtin_r600_read_ngroups_x, "z", "nc")
+BUILTIN(__builtin_r600_read_ngroups_y, "z", "nc")
+BUILTIN(__builtin_r600_read_ngroups_z, "z", "nc")
+
+BUILTIN(__builtin_r600_read_tidig_x, "z", "nc")
+BUILTIN(__builtin_r600_read_tidig_y, "z", "nc")
+BUILTIN(__builtin_r600_read_tidig_z, "z", "nc")
+
+BUILTIN(__builtin_r600_read_tgid_x, "z", "nc")
+BUILTIN(__builtin_r600_read_tgid_y, "z", "nc")
+BUILTIN(__builtin_r600_read_tgid_z, "z", "nc")
+
+#undef BUILTIN
diff --git a/include/clang/Basic/TargetBuiltins.h b/include/clang/Basic/TargetBuiltins.h
index 7c04bf7..3460cd5 100644
--- a/include/clang/Basic/TargetBuiltins.h
+++ b/include/clang/Basic/TargetBuiltins.h
@@ -45,6 +45,16 @@ namespace clang {
     };
   }
 
+  /// R600 builtins
+  namespace R600 {
+    enum {
+        LastTIBuiltin = clang::Builtin::FirstTSBuiltin-1,
+#define BUILTIN(ID, TYPE, ATTRS) BI##ID,
+#include "clang/Basic/BuiltinsR600.def"
+        LastTSBuiltin
+    };
+  }
+
 
   /// X86 builtins
   namespace X86 {
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 64dc01c..03f1a18 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1070,6 +1070,7 @@ namespace {
 namespace {
 
 class AMDGPUTargetInfo : public TargetInfo {
+  static const Builtin::Info BuiltinInfo[];
 public:
 
   AMDGPUTargetInfo(const std::string& triple) : TargetInfo(triple) { }
@@ -1097,8 +1098,8 @@ public:
 
   virtual void getTargetBuiltins(const Builtin::Info *&Records,
                                  unsigned &NumRecords) const {
-    Records = NULL;
-    NumRecords = 0;
+    Records = BuiltinInfo;
+    NumRecords = clang::R600::LastTSBuiltin-Builtin::FirstTSBuiltin;
   }
 };
 
@@ -1132,6 +1133,13 @@ public:
   }
 };
 
+const Builtin::Info AMDGPUTargetInfo::BuiltinInfo[] = {
+#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, ALL_LANGUAGES },
+#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS, HEADER,\
+                                              ALL_LANGUAGES },
+#include "clang/Basic/BuiltinsR600.def"
+};
+
 } // end anonymous namespace
 
 namespace {
-- 
1.7.7.6