[WebAssembly] 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: 360735

llvm/lib/Target/WebAssembly/AsmParser/WebAssemblyAsmParser.cpp

@@ -15,6 +15,7 @@
 
 #include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
 #include "MCTargetDesc/WebAssemblyTargetStreamer.h"
+#include "TargetInfo/WebAssemblyTargetInfo.h"
 #include "WebAssembly.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCExpr.h"

llvm/lib/Target/WebAssembly/Disassembler/WebAssemblyDisassembler.cpp

@@ -16,6 +16,7 @@
 
 #include "MCTargetDesc/WebAssemblyInstPrinter.h"
 #include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
+#include "TargetInfo/WebAssemblyTargetInfo.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCDisassembler/MCDisassembler.h"
 #include "llvm/MC/MCFixedLenDisassembler.h"

llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.cpp

@@ -15,6 +15,7 @@
 #include "MCTargetDesc/WebAssemblyInstPrinter.h"
 #include "MCTargetDesc/WebAssemblyMCAsmInfo.h"
 #include "MCTargetDesc/WebAssemblyTargetStreamer.h"
+#include "TargetInfo/WebAssemblyTargetInfo.h"
 #include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/MC/MCSubtargetInfo.h"

llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h

@@ -33,9 +33,6 @@ class Target;
 class Triple;
 class raw_pwrite_stream;
 
-Target &getTheWebAssemblyTarget32();
-Target &getTheWebAssemblyTarget64();
-
 MCCodeEmitter *createWebAssemblyMCCodeEmitter(const MCInstrInfo &MCII);
 
 MCAsmBackend *createWebAssemblyAsmBackend(const Triple &TT);

llvm/lib/Target/WebAssembly/TargetInfo/WebAssemblyTargetInfo.cpp

@@ -11,8 +11,7 @@
 ///
 //===----------------------------------------------------------------------===//
 
-#include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
-#include "llvm/ADT/Triple.h"
+#include "TargetInfo/WebAssemblyTargetInfo.h"
 #include "llvm/Support/TargetRegistry.h"
 using namespace llvm;
 

llvm/lib/Target/WebAssembly/TargetInfo/WebAssemblyTargetInfo.h

@@ -0,0 +1,26 @@
+//===-- WebAssemblyTargetInfo.h - WebAssembly Target Impl -------*- 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
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// This file registers the WebAssembly target.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_TARGETINFO_WEBASSEMBLYTARGETINFO_H
+#define LLVM_LIB_TARGET_WEBASSEMBLY_TARGETINFO_WEBASSEMBLYTARGETINFO_H
+
+namespace llvm {
+
+class Target;
+
+Target &getTheWebAssemblyTarget32();
+Target &getTheWebAssemblyTarget64();
+
+} // namespace llvm
+
+#endif // LLVM_LIB_TARGET_WEBASSEMBLY_TARGETINFO_WEBASSEMBLYTARGETINFO_H

llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp

@@ -17,6 +17,7 @@
 #include "MCTargetDesc/WebAssemblyInstPrinter.h"
 #include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
 #include "MCTargetDesc/WebAssemblyTargetStreamer.h"
+#include "TargetInfo/WebAssemblyTargetInfo.h"
 #include "WebAssembly.h"
 #include "WebAssemblyMCInstLower.h"
 #include "WebAssemblyMachineFunctionInfo.h"

llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp

@@ -13,6 +13,7 @@
 
 #include "WebAssemblyTargetMachine.h"
 #include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
+#include "TargetInfo/WebAssemblyTargetInfo.h"
 #include "WebAssembly.h"
 #include "WebAssemblyMachineFunctionInfo.h"
 #include "WebAssemblyTargetObjectFile.h"