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, 110 insertions, 40 deletions

diff --git a/lib/Target/SystemZ/CMakeLists.txt b/lib/Target/SystemZ/CMakeLists.txt
index 12206b9718..218ee1380a 100644
--- a/lib/Target/SystemZ/CMakeLists.txt
+++ b/lib/Target/SystemZ/CMakeLists.txt
@@ -21,3 +21,4 @@ add_llvm_target(SystemZCodeGen
   )
 
 add_subdirectory(TargetInfo)
+add_subdirectory(MCTargetDesc)
diff --git a/lib/Target/SystemZ/MCTargetDesc/CMakeLists.txt b/lib/Target/SystemZ/MCTargetDesc/CMakeLists.txt
new file mode 100644
index 0000000000..f7fab5f497
--- /dev/null
+++ b/lib/Target/SystemZ/MCTargetDesc/CMakeLists.txt
@@ -0,0 +1 @@
+add_llvm_library(LLVMSystemZDesc SystemZMCTargetDesc.cpp)
diff --git a/lib/Target/SystemZ/MCTargetDesc/Makefile b/lib/Target/SystemZ/MCTargetDesc/Makefile
new file mode 100644
index 0000000000..08f1a9d51f
--- /dev/null
+++ b/lib/Target/SystemZ/MCTargetDesc/Makefile
@@ -0,0 +1,16 @@
+##===- lib/Target/SystemZ/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 = LLVMSystemZDesc
+
+# 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/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp b/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp
new file mode 100644
index 0000000000..c52ceceb49
--- /dev/null
+++ b/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp
@@ -0,0 +1,52 @@
+//===-- SystemZMCTargetDesc.cpp - SystemZ 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 SystemZ specific target descriptions.
+//
+//===----------------------------------------------------------------------===//
+
+#include "SystemZMCTargetDesc.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 "SystemZGenInstrInfo.inc"
+
+#define GET_SUBTARGETINFO_MC_DESC
+#include "SystemZGenSubtargetInfo.inc"
+
+#define GET_REGINFO_MC_DESC
+#include "SystemZGenRegisterInfo.inc"
+
+using namespace llvm;
+
+MCInstrInfo *createSystemZMCInstrInfo() {
+  MCInstrInfo *X = new MCInstrInfo();
+  InitSystemZMCInstrInfo(X);
+  return X;
+}
+
+extern "C" void LLVMInitializeSystemZMCInstrInfo() {
+  TargetRegistry::RegisterMCInstrInfo(TheSystemZTarget,
+                                      createSystemZMCInstrInfo);
+}
+
+MCSubtargetInfo *createSystemZMCSubtargetInfo(StringRef TT, StringRef CPU,
+                                              StringRef FS) {
+  MCSubtargetInfo *X = new MCSubtargetInfo();
+  InitSystemZMCSubtargetInfo(X, TT, CPU, FS);
+  return X;
+}
+
+extern "C" void LLVMInitializeSystemZMCSubtargetInfo() {
+  TargetRegistry::RegisterMCSubtargetInfo(TheSystemZTarget,
+                                          createSystemZMCSubtargetInfo);
+}
diff --git a/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.h b/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.h
new file mode 100644
index 0000000000..e2ad5afd6e
--- /dev/null
+++ b/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.h
@@ -0,0 +1,38 @@
+//===-- SystemZMCTargetDesc.h - SystemZ 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 SystemZ specific target descriptions.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SYSTEMZMCTARGETDESC_H
+#define SYSTEMZMCTARGETDESC_H
+
+namespace llvm {
+class MCSubtargetInfo;
+class Target;
+class StringRef;
+
+extern Target TheSystemZTarget;
+
+} // End llvm namespace
+
+// Defines symbolic names for SystemZ registers.
+// This defines a mapping from register name to register number.
+#define GET_REGINFO_ENUM
+#include "SystemZGenRegisterInfo.inc"
+
+// Defines symbolic names for the SystemZ instructions.
+#define GET_INSTRINFO_ENUM
+#include "SystemZGenInstrInfo.inc"
+
+#define GET_SUBTARGETINFO_ENUM
+#include "SystemZGenSubtargetInfo.inc"
+
+#endif
diff --git a/lib/Target/SystemZ/Makefile b/lib/Target/SystemZ/Makefile
index fa59dc6f1d..6356491deb 100644
--- a/lib/Target/SystemZ/Makefile
+++ b/lib/Target/SystemZ/Makefile
@@ -16,7 +16,7 @@ BUILT_SOURCES = SystemZGenRegisterInfo.inc SystemZGenInstrInfo.inc \
 		SystemZGenAsmWriter.inc SystemZGenDAGISel.inc \
 		SystemZGenSubtargetInfo.inc SystemZGenCallingConv.inc
 
-DIRS = TargetInfo
+DIRS = TargetInfo MCTargetDesc
 
 include $(LEVEL)/Makefile.common
 
diff --git a/lib/Target/SystemZ/SystemZ.h b/lib/Target/SystemZ/SystemZ.h
index 84d83c00d9..88960b9cc6 100644
--- a/lib/Target/SystemZ/SystemZ.h
+++ b/lib/Target/SystemZ/SystemZ.h
@@ -15,6 +15,7 @@
 #ifndef LLVM_TARGET_SystemZ_H
 #define LLVM_TARGET_SystemZ_H
 
+#include "MCTargetDesc/SystemZMCTargetDesc.h"
 #include "llvm/Target/TargetMachine.h"
 
 namespace llvm {
@@ -47,17 +48,5 @@ namespace llvm {
   FunctionPass *createSystemZISelDag(SystemZTargetMachine &TM,
                                     CodeGenOpt::Level OptLevel);
 
-  extern Target TheSystemZTarget;
-
 } // end namespace llvm;
-
-// Defines symbolic names for SystemZ registers.
-// This defines a mapping from register name to register number.
-#define GET_REGINFO_ENUM
-#include "SystemZGenRegisterInfo.inc"
-
-// Defines symbolic names for the SystemZ instructions.
-#define GET_INSTRINFO_ENUM
-#include "SystemZGenInstrInfo.inc"
-
 #endif
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.cpp b/lib/Target/SystemZ/SystemZInstrInfo.cpp
index ae41d68d3e..99e2730609 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.cpp
+++ b/lib/Target/SystemZ/SystemZInstrInfo.cpp
@@ -25,7 +25,6 @@
 #include "llvm/Support/ErrorHandling.h"
 
 #define GET_INSTRINFO_CTOR
-#define GET_INSTRINFO_MC_DESC
 #include "SystemZGenInstrInfo.inc"
 
 using namespace llvm;
@@ -438,14 +437,3 @@ SystemZInstrInfo::getLongDispOpc(unsigned Opc) const {
   case SystemZ::MOV64Prm:  return get(SystemZ::MOV64Prmy);
   }
 }
-
-MCInstrInfo *createSystemZMCInstrInfo() {
-  MCInstrInfo *X = new MCInstrInfo();
-  InitSystemZMCInstrInfo(X);
-  return X;
-}
-
-extern "C" void LLVMInitializeSystemZMCInstrInfo() {
-  TargetRegistry::RegisterMCInstrInfo(TheSystemZTarget,
-                                      createSystemZMCInstrInfo);
-}
diff --git a/lib/Target/SystemZ/SystemZRegisterInfo.cpp b/lib/Target/SystemZ/SystemZRegisterInfo.cpp
index 21421a9bf7..59692e8833 100644
--- a/lib/Target/SystemZ/SystemZRegisterInfo.cpp
+++ b/lib/Target/SystemZ/SystemZRegisterInfo.cpp
@@ -26,7 +26,6 @@
 #include "llvm/Target/TargetOptions.h"
 #include "llvm/ADT/BitVector.h"
 
-#define GET_REGINFO_MC_DESC
 #define GET_REGINFO_TARGET_DESC
 #include "SystemZGenRegisterInfo.inc"
 
diff --git a/lib/Target/SystemZ/SystemZSubtarget.cpp b/lib/Target/SystemZ/SystemZSubtarget.cpp
index fe3046b0cb..b3ed066397 100644
--- a/lib/Target/SystemZ/SystemZSubtarget.cpp
+++ b/lib/Target/SystemZ/SystemZSubtarget.cpp
@@ -17,8 +17,6 @@
 #include "llvm/Target/TargetMachine.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 "SystemZGenSubtargetInfo.inc"
@@ -54,15 +52,3 @@ bool SystemZSubtarget::GVRequiresExtraLoad(const GlobalValue* GV,
 
   return false;
 }
-
-MCSubtargetInfo *createSystemZMCSubtargetInfo(StringRef TT, StringRef CPU,
-                                              StringRef FS) {
-  MCSubtargetInfo *X = new MCSubtargetInfo();
-  InitSystemZMCSubtargetInfo(X, TT, CPU, FS);
-  return X;
-}
-
-extern "C" void LLVMInitializeSystemZMCSubtargetInfo() {
-  TargetRegistry::RegisterMCSubtargetInfo(TheSystemZTarget,
-                                          createSystemZMCSubtargetInfo);
-}