[RISCV] Create a TargetInfo header. NFC

Move the declarations of getThe<Name>Target() functions into a new header in
TargetInfo and make users of these functions include this new header.
This fixes a layering problem.

llvm-svn: 360732

llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp

@@ -10,6 +10,7 @@
 #include "MCTargetDesc/RISCVMCExpr.h"
 #include "MCTargetDesc/RISCVMCTargetDesc.h"
 #include "MCTargetDesc/RISCVTargetStreamer.h"
+#include "TargetInfo/RISCVTargetInfo.h"
 #include "Utils/RISCVBaseInfo.h"
 #include "Utils/RISCVMatInt.h"
 #include "llvm/ADT/STLExtras.h"

llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp

@@ -11,6 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "MCTargetDesc/RISCVMCTargetDesc.h"
+#include "TargetInfo/RISCVTargetInfo.h"
 #include "Utils/RISCVBaseInfo.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCDisassembler/MCDisassembler.h"

llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCTargetDesc.cpp

@@ -15,6 +15,7 @@
 #include "RISCVInstPrinter.h"
 #include "RISCVMCAsmInfo.h"
 #include "RISCVTargetStreamer.h"
+#include "TargetInfo/RISCVTargetInfo.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCInstrInfo.h"

llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCTargetDesc.h

@@ -32,9 +32,6 @@ class Triple;
 class raw_ostream;
 class raw_pwrite_stream;
 
-Target &getTheRISCV32Target();
-Target &getTheRISCV64Target();
-
 MCCodeEmitter *createRISCVMCCodeEmitter(const MCInstrInfo &MCII,
                                         const MCRegisterInfo &MRI,
                                         MCContext &Ctx);

llvm/lib/Target/RISCV/RISCVAsmPrinter.cpp

@@ -15,6 +15,7 @@
 #include "MCTargetDesc/RISCVInstPrinter.h"
 #include "MCTargetDesc/RISCVMCExpr.h"
 #include "RISCVTargetMachine.h"
+#include "TargetInfo/RISCVTargetInfo.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/CodeGen/MachineConstantPool.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"

llvm/lib/Target/RISCV/RISCVTargetMachine.cpp

@@ -13,6 +13,7 @@
 #include "RISCV.h"
 #include "RISCVTargetMachine.h"
 #include "RISCVTargetObjectFile.h"
+#include "TargetInfo/RISCVTargetInfo.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"

llvm/lib/Target/RISCV/TargetInfo/RISCVTargetInfo.cpp

@@ -6,20 +6,19 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "TargetInfo/RISCVTargetInfo.h"
 #include "llvm/Support/TargetRegistry.h"
 using namespace llvm;
 
-namespace llvm {
-Target &getTheRISCV32Target() {
+Target &llvm::getTheRISCV32Target() {
   static Target TheRISCV32Target;
   return TheRISCV32Target;
 }
 
-Target &getTheRISCV64Target() {
+Target &llvm::getTheRISCV64Target() {
   static Target TheRISCV64Target;
   return TheRISCV64Target;
 }
-}
 
 extern "C" void LLVMInitializeRISCVTargetInfo() {
   RegisterTarget<Triple::riscv32> X(getTheRISCV32Target(), "riscv32",

llvm/lib/Target/RISCV/TargetInfo/RISCVTargetInfo.h

@@ -0,0 +1,21 @@
+//===-- RISCVTargetInfo.h - RISCV Target Implementation ---------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_RISCV_TARGETINFO_RISCVTARGETINFO_H
+#define LLVM_LIB_TARGET_RISCV_TARGETINFO_RISCVTARGETINFO_H
+
+namespace llvm {
+
+class Target;
+
+Target &getTheRISCV32Target();
+Target &getTheRISCV64Target();
+
+} // namespace llvm
+
+#endif // LLVM_LIB_TARGET_RISCV_TARGETINFO_RISCVTARGETINFO_H