Next round of MC refactoring. This patch factor MC table instantiations, MC
registeration and creation code into XXXMCDesc libraries.

llvm-svn: 135184
diff --git a/llvm/lib/Target/PTX/CMakeLists.txt b/llvm/lib/Target/PTX/CMakeLists.txt
index 0e138c0..f0ce67f 100644
--- a/llvm/lib/Target/PTX/CMakeLists.txt
+++ b/llvm/lib/Target/PTX/CMakeLists.txt
@@ -22,3 +22,4 @@
   )
 
 add_subdirectory(TargetInfo)
+add_subdirectory(MCTargetDesc)
diff --git a/llvm/lib/Target/PTX/MCTargetDesc/CMakeLists.txt b/llvm/lib/Target/PTX/MCTargetDesc/CMakeLists.txt
new file mode 100644
index 0000000..6691d05
--- /dev/null
+++ b/llvm/lib/Target/PTX/MCTargetDesc/CMakeLists.txt
@@ -0,0 +1 @@
+add_llvm_library(LLVMPTXDesc PTXMCTargetDesc.cpp)
diff --git a/llvm/lib/Target/PTX/MCTargetDesc/Makefile b/llvm/lib/Target/PTX/MCTargetDesc/Makefile
new file mode 100644
index 0000000..35f5a7b
--- /dev/null
+++ b/llvm/lib/Target/PTX/MCTargetDesc/Makefile
@@ -0,0 +1,16 @@
+##===- lib/Target/PTX/TargetDesc/Makefile ------------------*- Makefile -*-===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL = ../../../..
+LIBRARYNAME = LLVMPTXDesc
+
+# Hack: we need to include 'main' target directory to grab private headers
+CPP.Flags += -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/..
+
+include $(LEVEL)/Makefile.common
diff --git a/llvm/lib/Target/PTX/MCTargetDesc/PTXMCTargetDesc.cpp b/llvm/lib/Target/PTX/MCTargetDesc/PTXMCTargetDesc.cpp
new file mode 100644
index 0000000..64113ad
--- /dev/null
+++ b/llvm/lib/Target/PTX/MCTargetDesc/PTXMCTargetDesc.cpp
@@ -0,0 +1,54 @@
+//===-- PTXMCTargetDesc.cpp - PTX Target Descriptions -----------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides PTX specific target descriptions.
+//
+//===----------------------------------------------------------------------===//
+
+#include "PTXMCTargetDesc.h"
+#include "llvm/MC/MCInstrInfo.h"
+#include "llvm/MC/MCRegisterInfo.h"
+#include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/Target/TargetRegistry.h"
+
+#define GET_INSTRINFO_MC_DESC
+#include "PTXGenInstrInfo.inc"
+
+#define GET_SUBTARGETINFO_MC_DESC
+#include "PTXGenSubtargetInfo.inc"
+
+#define GET_REGINFO_MC_DESC
+#include "PTXGenRegisterInfo.inc"
+
+using namespace llvm;
+
+MCInstrInfo *createPTXMCInstrInfo() {
+  MCInstrInfo *X = new MCInstrInfo();
+  InitPTXMCInstrInfo(X);
+  return X;
+}
+
+extern "C" void LLVMInitializePTXMCInstrInfo() {
+  TargetRegistry::RegisterMCInstrInfo(ThePTX32Target, createPTXMCInstrInfo);
+  TargetRegistry::RegisterMCInstrInfo(ThePTX64Target, createPTXMCInstrInfo);
+}
+
+MCSubtargetInfo *createPTXMCSubtargetInfo(StringRef TT, StringRef CPU,
+                                            StringRef FS) {
+  MCSubtargetInfo *X = new MCSubtargetInfo();
+  InitPTXMCSubtargetInfo(X, TT, CPU, FS);
+  return X;
+}
+
+extern "C" void LLVMInitializePTXMCSubtargetInfo() {
+  TargetRegistry::RegisterMCSubtargetInfo(ThePTX32Target,
+                                          createPTXMCSubtargetInfo);
+  TargetRegistry::RegisterMCSubtargetInfo(ThePTX64Target,
+                                          createPTXMCSubtargetInfo);
+}
diff --git a/llvm/lib/Target/PTX/MCTargetDesc/PTXMCTargetDesc.h b/llvm/lib/Target/PTX/MCTargetDesc/PTXMCTargetDesc.h
new file mode 100644
index 0000000..1003b0b
--- /dev/null
+++ b/llvm/lib/Target/PTX/MCTargetDesc/PTXMCTargetDesc.h
@@ -0,0 +1,38 @@
+//===-- PTXMCTargetDesc.h - PTX Target Descriptions ------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides PTX specific target descriptions.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef PTXMCTARGETDESC_H
+#define PTXMCTARGETDESC_H
+
+namespace llvm {
+class MCSubtargetInfo;
+class Target;
+class StringRef;
+
+extern Target ThePTX32Target;
+extern Target ThePTX64Target;
+
+} // End llvm namespace
+
+// Defines symbolic names for PTX registers.
+#define GET_REGINFO_ENUM
+#include "PTXGenRegisterInfo.inc"
+
+// Defines symbolic names for the PTX instructions.
+#define GET_INSTRINFO_ENUM
+#include "PTXGenInstrInfo.inc"
+
+#define GET_SUBTARGETINFO_ENUM
+#include "PTXGenSubtargetInfo.inc"
+
+#endif
diff --git a/llvm/lib/Target/PTX/Makefile b/llvm/lib/Target/PTX/Makefile
index da3f915..93dd38a 100644
--- a/llvm/lib/Target/PTX/Makefile
+++ b/llvm/lib/Target/PTX/Makefile
@@ -19,6 +19,6 @@
 		PTXGenRegisterInfo.inc \
 		PTXGenSubtargetInfo.inc
 
-DIRS = TargetInfo
+DIRS = TargetInfo MCTargetDesc
 
 include $(LEVEL)/Makefile.common
diff --git a/llvm/lib/Target/PTX/PTX.h b/llvm/lib/Target/PTX/PTX.h
index 6aaf068..28cab24 100644
--- a/llvm/lib/Target/PTX/PTX.h
+++ b/llvm/lib/Target/PTX/PTX.h
@@ -15,6 +15,7 @@
 #ifndef PTX_H
 #define PTX_H
 
+#include "MCTargetDesc/PTXMCTargetDesc.h"
 #include "llvm/Target/TargetMachine.h"
 
 namespace llvm {
@@ -42,16 +43,6 @@
   FunctionPass *createPTXMFInfoExtract(PTXTargetMachine &TM,
                                        CodeGenOpt::Level OptLevel);
 
-  extern Target ThePTX32Target;
-  extern Target ThePTX64Target;
 } // namespace llvm;
 
-// Defines symbolic names for PTX registers.
-#define GET_REGINFO_ENUM
-#include "PTXGenRegisterInfo.inc"
-
-// Defines symbolic names for the PTX instructions.
-#define GET_INSTRINFO_ENUM
-#include "PTXGenInstrInfo.inc"
-
 #endif // PTX_H
diff --git a/llvm/lib/Target/PTX/PTXInstrInfo.cpp b/llvm/lib/Target/PTX/PTXInstrInfo.cpp
index caa72b4..425265a 100644
--- a/llvm/lib/Target/PTX/PTXInstrInfo.cpp
+++ b/llvm/lib/Target/PTX/PTXInstrInfo.cpp
@@ -23,7 +23,6 @@
 #include "llvm/Support/raw_ostream.h"
 
 #define GET_INSTRINFO_CTOR
-#define GET_INSTRINFO_MC_DESC
 #include "PTXGenInstrInfo.inc"
 
 using namespace llvm;
@@ -409,14 +408,3 @@
   assert(target.isMBB() && "FIXME: detect branch target operand");
   return target.getMBB();
 }
-
-MCInstrInfo *createPTXMCInstrInfo() {
-  MCInstrInfo *X = new MCInstrInfo();
-  InitPTXMCInstrInfo(X);
-  return X;
-}
-
-extern "C" void LLVMInitializePTXMCInstrInfo() {
-  TargetRegistry::RegisterMCInstrInfo(ThePTX32Target, createPTXMCInstrInfo);
-  TargetRegistry::RegisterMCInstrInfo(ThePTX64Target, createPTXMCInstrInfo);
-}
diff --git a/llvm/lib/Target/PTX/PTXRegisterInfo.cpp b/llvm/lib/Target/PTX/PTXRegisterInfo.cpp
index f32c2b7..cb56ea9 100644
--- a/llvm/lib/Target/PTX/PTXRegisterInfo.cpp
+++ b/llvm/lib/Target/PTX/PTXRegisterInfo.cpp
@@ -17,7 +17,6 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 
-#define GET_REGINFO_MC_DESC
 #define GET_REGINFO_TARGET_DESC
 #include "PTXGenRegisterInfo.inc"
 
diff --git a/llvm/lib/Target/PTX/PTXSubtarget.cpp b/llvm/lib/Target/PTX/PTXSubtarget.cpp
index ff05167..8ec646e 100644
--- a/llvm/lib/Target/PTX/PTXSubtarget.cpp
+++ b/llvm/lib/Target/PTX/PTXSubtarget.cpp
@@ -16,8 +16,6 @@
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Target/TargetRegistry.h"
 
-#define GET_SUBTARGETINFO_ENUM
-#define GET_SUBTARGETINFO_MC_DESC
 #define GET_SUBTARGETINFO_TARGET_DESC
 #define GET_SUBTARGETINFO_CTOR
 #include "PTXGenSubtargetInfo.inc"
@@ -66,18 +64,3 @@
     case PTX_VERSION_2_3: return "2.3";
   }
 }
-
-
-MCSubtargetInfo *createPTXMCSubtargetInfo(StringRef TT, StringRef CPU,
-                                            StringRef FS) {
-  MCSubtargetInfo *X = new MCSubtargetInfo();
-  InitPTXMCSubtargetInfo(X, TT, CPU, FS);
-  return X;
-}
-
-extern "C" void LLVMInitializePTXMCSubtargetInfo() {
-  TargetRegistry::RegisterMCSubtargetInfo(ThePTX32Target,
-                                          createPTXMCSubtargetInfo);
-  TargetRegistry::RegisterMCSubtargetInfo(ThePTX64Target,
-                                          createPTXMCSubtargetInfo);
-}