1 //===-- IA64TargetMachine.cpp - Define TargetMachine for IA64 -------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the IA64 specific subclass of TargetMachine.
12 //===----------------------------------------------------------------------===//
14 #include "IA64TargetAsmInfo.h"
15 #include "IA64TargetMachine.h"
17 #include "llvm/Module.h"
18 #include "llvm/PassManager.h"
19 #include "llvm/Target/TargetMachineRegistry.h"
22 // Register the target
23 static RegisterTarget<IA64TargetMachine> X("ia64",
24 "IA-64 (Itanium) [experimental]");
26 // No assembler printer by default
27 IA64TargetMachine::AsmPrinterCtorFn IA64TargetMachine::AsmPrinterCtor = 0;
29 // Force static initialization.
30 extern "C" void LLVMInitializeIA64Target() { }
32 const TargetAsmInfo *IA64TargetMachine::createTargetAsmInfo() const {
33 return new IA64TargetAsmInfo(*this);
36 unsigned IA64TargetMachine::getModuleMatchQuality(const Module &M) {
37 // we match [iI][aA]*64
39 std::string TT = M.getTargetTriple();
42 if( (TT[0]=='i' || TT[0]=='I') &&
43 (TT[1]=='a' || TT[1]=='A') ) {
44 for(unsigned int i=2; i<(TT.size()-1); i++)
45 if(TT[i]=='6' && TT[i+1]=='4')
50 return 20; // strong match
52 // If the target triple is something non-ia64, we don't match.
53 if (!TT.empty()) return 0;
55 #if defined(__ia64__) || defined(__IA64__)
62 /// IA64TargetMachine ctor - Create an LP64 architecture model
64 IA64TargetMachine::IA64TargetMachine(const Module &M, const std::string &FS)
65 : DataLayout("e-f80:128:128"),
66 FrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0),
67 TLInfo(*this) { // FIXME? check this stuff
71 //===----------------------------------------------------------------------===//
72 // Pass Pipeline Configuration
73 //===----------------------------------------------------------------------===//
75 bool IA64TargetMachine::addInstSelector(PassManagerBase &PM,
76 CodeGenOpt::Level OptLevel) {
77 PM.add(createIA64DAGToDAGInstructionSelector(*this));
81 bool IA64TargetMachine::addPreEmitPass(PassManagerBase &PM,
82 CodeGenOpt::Level OptLevel) {
83 // Make sure everything is bundled happily
84 PM.add(createIA64BundlingPass(*this));
87 bool IA64TargetMachine::addAssemblyEmitter(PassManagerBase &PM,
88 CodeGenOpt::Level OptLevel,
90 formatted_raw_ostream &Out) {
91 // Output assembly language.
92 assert(AsmPrinterCtor && "AsmPrinter was not linked in");
94 PM.add(AsmPrinterCtor(Out, *this, Verbose));