Next round of MC refactoring. This patch factor MC table instantiations, MC

registeration and creation code into XXXMCDesc libraries.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135184 91177308-0d34-0410-b5e6-96231b3b80d8

10 files changed, 111 insertions, 38 deletions

diff --git a/lib/Target/MSP430/CMakeLists.txt b/lib/Target/MSP430/CMakeLists.txt
index 9d156e7992..9fec02a9e1 100644
--- a/lib/Target/MSP430/CMakeLists.txt
+++ b/lib/Target/MSP430/CMakeLists.txt
@@ -24,3 +24,4 @@ add_llvm_target(MSP430CodeGen
 
 add_subdirectory(InstPrinter)
 add_subdirectory(TargetInfo)
+add_subdirectory(MCTargetDesc)
diff --git a/lib/Target/MSP430/MCTargetDesc/CMakeLists.txt b/lib/Target/MSP430/MCTargetDesc/CMakeLists.txt
new file mode 100644
index 0000000000..4b4ccda80b
--- /dev/null
+++ b/lib/Target/MSP430/MCTargetDesc/CMakeLists.txt
@@ -0,0 +1 @@
+add_llvm_library(LLVMMSP430Desc MSP430MCTargetDesc.cpp)
diff --git a/lib/Target/MSP430/MCTargetDesc/MSP430MCTargetDesc.cpp b/lib/Target/MSP430/MCTargetDesc/MSP430MCTargetDesc.cpp
new file mode 100644
index 0000000000..fc77305d23
--- /dev/null
+++ b/lib/Target/MSP430/MCTargetDesc/MSP430MCTargetDesc.cpp
@@ -0,0 +1,53 @@
+//===-- MSP430MCTargetDesc.cpp - MSP430 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 MSP430 specific target descriptions.
+//
+//===----------------------------------------------------------------------===//
+
+#include "MSP430MCTargetDesc.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 "MSP430GenInstrInfo.inc"
+
+#define GET_SUBTARGETINFO_MC_DESC
+#include "MSP430GenSubtargetInfo.inc"
+
+#define GET_REGINFO_MC_DESC
+#include "MSP430GenRegisterInfo.inc"
+
+using namespace llvm;
+
+
+MCInstrInfo *createMSP430MCInstrInfo() {
+  MCInstrInfo *X = new MCInstrInfo();
+  InitMSP430MCInstrInfo(X);
+  return X;
+}
+
+extern "C" void LLVMInitializeMSP430MCInstrInfo() {
+  TargetRegistry::RegisterMCInstrInfo(TheMSP430Target, createMSP430MCInstrInfo);
+}
+
+
+MCSubtargetInfo *createMSP430MCSubtargetInfo(StringRef TT, StringRef CPU,
+                                             StringRef FS) {
+  MCSubtargetInfo *X = new MCSubtargetInfo();
+  InitMSP430MCSubtargetInfo(X, TT, CPU, FS);
+  return X;
+}
+
+extern "C" void LLVMInitializeMSP430MCSubtargetInfo() {
+  TargetRegistry::RegisterMCSubtargetInfo(TheMSP430Target,
+                                          createMSP430MCSubtargetInfo);
+}
diff --git a/lib/Target/MSP430/MCTargetDesc/MSP430MCTargetDesc.h b/lib/Target/MSP430/MCTargetDesc/MSP430MCTargetDesc.h
new file mode 100644
index 0000000000..0d8a6bdb44
--- /dev/null
+++ b/lib/Target/MSP430/MCTargetDesc/MSP430MCTargetDesc.h
@@ -0,0 +1,38 @@
+//===-- MSP430MCTargetDesc.h - MSP430 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 MSP430 specific target descriptions.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef ALPHAMCTARGETDESC_H
+#define ALPHAMCTARGETDESC_H
+
+namespace llvm {
+class MCSubtargetInfo;
+class Target;
+class StringRef;
+
+extern Target TheMSP430Target;
+
+} // End llvm namespace
+
+// Defines symbolic names for MSP430 registers.
+// This defines a mapping from register name to register number.
+#define GET_REGINFO_ENUM
+#include "MSP430GenRegisterInfo.inc"
+
+// Defines symbolic names for the MSP430 instructions.
+#define GET_INSTRINFO_ENUM
+#include "MSP430GenInstrInfo.inc"
+
+#define GET_SUBTARGETINFO_ENUM
+#include "MSP430GenSubtargetInfo.inc"
+
+#endif
diff --git a/lib/Target/MSP430/MCTargetDesc/Makefile b/lib/Target/MSP430/MCTargetDesc/Makefile
new file mode 100644
index 0000000000..bb857998ee
--- /dev/null
+++ b/lib/Target/MSP430/MCTargetDesc/Makefile
@@ -0,0 +1,16 @@
+##===- lib/Target/MSP430/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 = LLVMMSP430Desc
+
+# 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/lib/Target/MSP430/MSP430.h b/lib/Target/MSP430/MSP430.h
index 854d4e457c..4574ce5f98 100644
--- a/lib/Target/MSP430/MSP430.h
+++ b/lib/Target/MSP430/MSP430.h
@@ -15,6 +15,7 @@
 #ifndef LLVM_TARGET_MSP430_H
 #define LLVM_TARGET_MSP430_H
 
+#include "MCTargetDesc/MSP430MCTargetDesc.h"
 #include "llvm/Target/TargetMachine.h"
 
 namespace MSP430CC {
@@ -41,17 +42,6 @@ namespace llvm {
 
   FunctionPass *createMSP430BranchSelectionPass();
 
-  extern Target TheMSP430Target;
-
 } // end namespace llvm;
 
-// Defines symbolic names for MSP430 registers.
-// This defines a mapping from register name to register number.
-#define GET_REGINFO_ENUM
-#include "MSP430GenRegisterInfo.inc"
-
-// Defines symbolic names for the MSP430 instructions.
-#define GET_INSTRINFO_ENUM
-#include "MSP430GenInstrInfo.inc"
-
 #endif
diff --git a/lib/Target/MSP430/MSP430InstrInfo.cpp b/lib/Target/MSP430/MSP430InstrInfo.cpp
index e9dfd5258a..846d09361b 100644
--- a/lib/Target/MSP430/MSP430InstrInfo.cpp
+++ b/lib/Target/MSP430/MSP430InstrInfo.cpp
@@ -24,7 +24,6 @@
 #include "llvm/Support/ErrorHandling.h"
 
 #define GET_INSTRINFO_CTOR
-#define GET_INSTRINFO_MC_DESC
 #include "MSP430GenInstrInfo.inc"
 
 using namespace llvm;
@@ -335,13 +334,3 @@ unsigned MSP430InstrInfo::GetInstSizeInBytes(const MachineInstr *MI) const {
 
   return 6;
 }
-
-MCInstrInfo *createMSP430MCInstrInfo() {
-  MCInstrInfo *X = new MCInstrInfo();
-  InitMSP430MCInstrInfo(X);
-  return X;
-}
-
-extern "C" void LLVMInitializeMSP430MCInstrInfo() {
-  TargetRegistry::RegisterMCInstrInfo(TheMSP430Target, createMSP430MCInstrInfo);
-}
diff --git a/lib/Target/MSP430/MSP430RegisterInfo.cpp b/lib/Target/MSP430/MSP430RegisterInfo.cpp
index da0c3c6c23..1cc60bba3a 100644
--- a/lib/Target/MSP430/MSP430RegisterInfo.cpp
+++ b/lib/Target/MSP430/MSP430RegisterInfo.cpp
@@ -26,7 +26,6 @@
 #include "llvm/ADT/BitVector.h"
 #include "llvm/Support/ErrorHandling.h"
 
-#define GET_REGINFO_MC_DESC
 #define GET_REGINFO_TARGET_DESC
 #include "MSP430GenRegisterInfo.inc"
 
diff --git a/lib/Target/MSP430/MSP430Subtarget.cpp b/lib/Target/MSP430/MSP430Subtarget.cpp
index 6509d5c2ff..b58c50afb9 100644
--- a/lib/Target/MSP430/MSP430Subtarget.cpp
+++ b/lib/Target/MSP430/MSP430Subtarget.cpp
@@ -15,8 +15,6 @@
 #include "MSP430.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 "MSP430GenSubtargetInfo.inc"
@@ -32,15 +30,3 @@ MSP430Subtarget::MSP430Subtarget(const std::string &TT,
   // Parse features string.
   ParseSubtargetFeatures(CPUName, FS);
 }
-
-MCSubtargetInfo *createMSP430MCSubtargetInfo(StringRef TT, StringRef CPU,
-                                             StringRef FS) {
-  MCSubtargetInfo *X = new MCSubtargetInfo();
-  InitMSP430MCSubtargetInfo(X, TT, CPU, FS);
-  return X;
-}
-
-extern "C" void LLVMInitializeMSP430MCSubtargetInfo() {
-  TargetRegistry::RegisterMCSubtargetInfo(TheMSP430Target,
-                                          createMSP430MCSubtargetInfo);
-}
diff --git a/lib/Target/MSP430/Makefile b/lib/Target/MSP430/Makefile
index 30a4e491a6..82216edd81 100644
--- a/lib/Target/MSP430/Makefile
+++ b/lib/Target/MSP430/Makefile
@@ -17,7 +17,7 @@ BUILT_SOURCES = MSP430GenRegisterInfo.inc MSP430GenInstrInfo.inc \
 		MSP430GenDAGISel.inc MSP430GenCallingConv.inc \
 		MSP430GenSubtargetInfo.inc
 
-DIRS = InstPrinter TargetInfo
+DIRS = InstPrinter TargetInfo MCTargetDesc
 
 include $(LEVEL)/Makefile.common