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	2. Protect and outline createTargetAsmInfo. 3. Misc. kruft. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30169 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			90 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//===-- IA64TargetMachine.cpp - Define TargetMachine for IA64 -------------===//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file was developed by Duraid Madina and is distributed under the
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// University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the IA64 specific subclass of TargetMachine.
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//
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//===----------------------------------------------------------------------===//
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#include "IA64TargetAsmInfo.h"
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#include "IA64TargetMachine.h"
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#include "IA64.h"
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#include "llvm/Module.h"
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#include "llvm/PassManager.h"
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#include "llvm/Target/TargetMachineRegistry.h"
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using namespace llvm;
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/// IA64TargetMachineModule - Note that this is used on hosts that cannot link
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/// in a library unless there are references into the library.  In particular,
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/// it seems that it is not possible to get things to work on Win32 without
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/// this.  Though it is unused, do not remove it.
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extern "C" int IA64TargetMachineModule;
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int IA64TargetMachineModule = 0;
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namespace {
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  RegisterTarget<IA64TargetMachine> X("ia64", "  IA-64 (Itanium)");
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}
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const TargetAsmInfo *IA64TargetMachine::createTargetAsmInfo() const {
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  return new IA64TargetAsmInfo(*this);
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}
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unsigned IA64TargetMachine::getModuleMatchQuality(const Module &M) {
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  // we match [iI][aA]*64
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  bool seenIA64=false;
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  std::string TT = M.getTargetTriple();
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  if (TT.size() >= 4) {
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    if( (TT[0]=='i' || TT[0]=='I') &&
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        (TT[1]=='a' || TT[1]=='A') ) {
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      for(unsigned int i=2; i<(TT.size()-1); i++)
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        if(TT[i]=='6' && TT[i+1]=='4')
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          seenIA64=true;
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    }
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    if (seenIA64)
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      return 20; // strong match
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  }
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#if defined(__ia64__) || defined(__IA64__)
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  return 5;
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#else
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  return 0;
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#endif
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}
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/// IA64TargetMachine ctor - Create an LP64 architecture model
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///
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IA64TargetMachine::IA64TargetMachine(const Module &M, const std::string &FS)
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  : DataLayout("e"),
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    FrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0),
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    TLInfo(*this) { // FIXME? check this stuff
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}
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//===----------------------------------------------------------------------===//
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// Pass Pipeline Configuration
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//===----------------------------------------------------------------------===//
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bool IA64TargetMachine::addInstSelector(FunctionPassManager &PM, bool Fast) {
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  PM.add(createIA64DAGToDAGInstructionSelector(*this));
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  return false;
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}
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bool IA64TargetMachine::addPreEmitPass(FunctionPassManager &PM, bool Fast) {
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  // Make sure everything is bundled happily
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  PM.add(createIA64BundlingPass(*this));
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  return true;
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}
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bool IA64TargetMachine::addAssemblyEmitter(FunctionPassManager &PM, bool Fast, 
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                                           std::ostream &Out) {
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  PM.add(createIA64CodePrinterPass(Out, *this));
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  return false;
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}
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