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

4 files changed, 107 insertions, 0 deletions

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