llvm/0001-Add-r600-TargetInfo.patch

From 70cae83ffd093f183dec07c464db3c0bb6b92c10 Mon Sep 17 00:00:00 2001
From: Tom Stellard <thomas.stellard@amd.com>
Date: Fri, 2 Mar 2012 10:54:52 -0500
Subject: [PATCH 1/3] Add r600 TargetInfo

---
 lib/Basic/Targets.cpp |   70 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 70 insertions(+), 0 deletions(-)

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 85dfd78..64dc01c 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1068,6 +1068,73 @@ namespace {
 }
 
 namespace {
+
+class AMDGPUTargetInfo : public TargetInfo {
+public:
+
+  AMDGPUTargetInfo(const std::string& triple) : TargetInfo(triple) { }
+
+  virtual const char * getClobbers() const {
+    return "";
+  }
+
+  virtual void getGCCRegNames(const char * const *&Names,
+                              unsigned &numNames) const  {
+    Names = NULL;
+    numNames = 0;
+  }
+
+  virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
+                                unsigned &NumAliases) const {
+    Aliases = NULL;
+    NumAliases = 0;
+  }
+
+  virtual bool validateAsmConstraint(const char *&Name,
+                                     TargetInfo::ConstraintInfo &info) const {
+    return true;
+  }
+
+  virtual void getTargetBuiltins(const Builtin::Info *&Records,
+                                 unsigned &NumRecords) const {
+    Records = NULL;
+    NumRecords = 0;
+  }
+};
+
+
+static const unsigned R600AddrSpaceMap[] = {
+  1,    // opencl_global
+  3,    // opencl_local
+  2     // opencl_constant
+};
+
+class R600TargetInfo : public AMDGPUTargetInfo {
+public:
+  R600TargetInfo(const std::string& triple) : AMDGPUTargetInfo(triple) {
+    DescriptionString = 
+          "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16"
+          "-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:32:32"
+          "-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64"
+          "-v96:128:128-v128:128:128-v192:256:256-v256:256:256"
+          "-v512:512:512-v1024:1024:1024-v2048:2048:2048"
+          "-n8:16:32:64";
+    AddrSpaceMap = &R600AddrSpaceMap;
+  }
+
+  virtual void getTargetDefines(const LangOptions &Opts,
+                                MacroBuilder &Builder) const {
+    Builder.defineMacro("__R600__");
+  }
+
+  virtual const char * getVAListDeclaration() const {
+    return "";
+  }
+};
+
+} // end anonymous namespace
+
+namespace {
 // MBlaze abstract base class
 class MBlazeTargetInfo : public TargetInfo {
   static const char * const GCCRegNames[];
@@ -3963,6 +4030,9 @@ static TargetInfo *AllocateTarget(const std::string &T) {
   case llvm::Triple::mblaze:
     return new MBlazeTargetInfo(T);
 
+  case llvm::Triple::r600:
+    return new R600TargetInfo(T);
+
   case llvm::Triple::sparc:
     switch (os) {
     case llvm::Triple::Linux:
-- 
1.7.7.6