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

registeration and creation code into XXXMCDesc libraries.

llvm-svn: 135184

4 files changed, 113 insertions, 0 deletions

diff --git a/llvm/lib/Target/PowerPC/MCTargetDesc/CMakeLists.txt b/llvm/lib/Target/PowerPC/MCTargetDesc/CMakeLists.txt
new file mode 100644
index 00000000000..e6529543b40
--- /dev/null
+++ b/llvm/lib/Target/PowerPC/MCTargetDesc/CMakeLists.txt
@@ -0,0 +1 @@
+add_llvm_library(LLVMPowerPCDesc PPCMCTargetDesc.cpp)
diff --git a/llvm/lib/Target/PowerPC/MCTargetDesc/Makefile b/llvm/lib/Target/PowerPC/MCTargetDesc/Makefile
new file mode 100644
index 00000000000..9db66622cce
--- /dev/null
+++ b/llvm/lib/Target/PowerPC/MCTargetDesc/Makefile
@@ -0,0 +1,16 @@
+##===- lib/Target/PowerPC/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 = LLVMPowerPCDesc
+
+# 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/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
new file mode 100644
index 00000000000..93d225e4ef3
--- /dev/null
+++ b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
@@ -0,0 +1,55 @@
+//===-- PPCMCTargetDesc.cpp - PowerPC 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 PowerPC specific target descriptions.
+//
+//===----------------------------------------------------------------------===//
+
+#include "PPCMCTargetDesc.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 "PPCGenInstrInfo.inc"
+
+#define GET_SUBTARGETINFO_MC_DESC
+#include "PPCGenSubtargetInfo.inc"
+
+#define GET_REGINFO_MC_DESC
+#include "PPCGenRegisterInfo.inc"
+
+using namespace llvm;
+
+MCInstrInfo *createPPCMCInstrInfo() {
+  MCInstrInfo *X = new MCInstrInfo();
+  InitPPCMCInstrInfo(X);
+  return X;
+}
+
+extern "C" void LLVMInitializePowerPCMCInstrInfo() {
+  TargetRegistry::RegisterMCInstrInfo(ThePPC32Target, createPPCMCInstrInfo);
+  TargetRegistry::RegisterMCInstrInfo(ThePPC64Target, createPPCMCInstrInfo);
+}
+
+
+MCSubtargetInfo *createPPCMCSubtargetInfo(StringRef TT, StringRef CPU,
+                                          StringRef FS) {
+  MCSubtargetInfo *X = new MCSubtargetInfo();
+  InitPPCMCSubtargetInfo(X, TT, CPU, FS);
+  return X;
+}
+
+extern "C" void LLVMInitializePowerPCMCSubtargetInfo() {
+  TargetRegistry::RegisterMCSubtargetInfo(ThePPC32Target,
+                                          createPPCMCSubtargetInfo);
+  TargetRegistry::RegisterMCSubtargetInfo(ThePPC64Target,
+                                          createPPCMCSubtargetInfo);
+}
diff --git a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.h b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.h
new file mode 100644
index 00000000000..cee235097a0
--- /dev/null
+++ b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.h
@@ -0,0 +1,41 @@
+//===-- PPCMCTargetDesc.h - PowerPC 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 PowerPC specific target descriptions.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef PPCMCTARGETDESC_H
+#define PPCMCTARGETDESC_H
+
+namespace llvm {
+class MCSubtargetInfo;
+class Target;
+class StringRef;
+
+extern Target ThePPC32Target;
+extern Target ThePPC64Target;
+  
+} // End llvm namespace
+
+// Defines symbolic names for PowerPC registers.  This defines a mapping from
+// register name to register number.
+//
+#define GET_REGINFO_ENUM
+#include "PPCGenRegisterInfo.inc"
+
+// Defines symbolic names for the PowerPC instructions.
+//
+#define GET_INSTRINFO_ENUM
+#include "PPCGenInstrInfo.inc"
+
+#define GET_SUBTARGETINFO_ENUM
+#include "PPCGenSubtargetInfo.inc"
+
+#endif