1 //===-- AlphaTargetMachine.cpp - Define TargetMachine for Alpha -----------===//
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 //===----------------------------------------------------------------------===//
11 //===----------------------------------------------------------------------===//
14 #include "AlphaJITInfo.h"
15 #include "AlphaTargetAsmInfo.h"
16 #include "AlphaTargetMachine.h"
17 #include "llvm/Module.h"
18 #include "llvm/PassManager.h"
19 #include "llvm/Target/TargetMachineRegistry.h"
23 // Register the targets
24 static RegisterTarget<AlphaTargetMachine> X("alpha", " Alpha (incomplete)");
26 const TargetAsmInfo *AlphaTargetMachine::createTargetAsmInfo() const {
27 return new AlphaTargetAsmInfo(*this);
30 unsigned AlphaTargetMachine::getModuleMatchQuality(const Module &M) {
31 // We strongly match "alpha*".
32 std::string TT = M.getTargetTriple();
33 if (TT.size() >= 5 && TT[0] == 'a' && TT[1] == 'l' && TT[2] == 'p' &&
34 TT[3] == 'h' && TT[4] == 'a')
36 // If the target triple is something non-alpha, we don't match.
37 if (!TT.empty()) return 0;
39 if (M.getEndianness() == Module::LittleEndian &&
40 M.getPointerSize() == Module::Pointer64)
41 return 10; // Weak match
42 else if (M.getEndianness() != Module::AnyEndianness ||
43 M.getPointerSize() != Module::AnyPointerSize)
44 return 0; // Match for some other target
46 return getJITMatchQuality()/2;
49 unsigned AlphaTargetMachine::getJITMatchQuality() {
57 AlphaTargetMachine::AlphaTargetMachine(const Module &M, const std::string &FS)
58 : DataLayout("e-f128:128:128"),
59 FrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0),
63 setRelocationModel(Reloc::PIC_);
67 //===----------------------------------------------------------------------===//
68 // Pass Pipeline Configuration
69 //===----------------------------------------------------------------------===//
71 bool AlphaTargetMachine::addInstSelector(PassManagerBase &PM, bool Fast) {
72 PM.add(createAlphaISelDag(*this));
75 bool AlphaTargetMachine::addPreEmitPass(PassManagerBase &PM, bool Fast) {
76 // Must run branch selection immediately preceding the asm printer
77 PM.add(createAlphaBranchSelectionPass());
80 bool AlphaTargetMachine::addAssemblyEmitter(PassManagerBase &PM, bool Fast,
82 PM.add(createAlphaLLRPPass(*this));
83 PM.add(createAlphaCodePrinterPass(Out, *this));
86 bool AlphaTargetMachine::addCodeEmitter(PassManagerBase &PM, bool Fast,
87 bool DumpAsm, MachineCodeEmitter &MCE) {
88 PM.add(createAlphaCodeEmitterPass(*this, MCE));
90 PM.add(createAlphaCodePrinterPass(*cerr.stream(), *this));
93 bool AlphaTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
94 bool Fast, bool DumpAsm,
95 MachineCodeEmitter &MCE) {
96 return addCodeEmitter(PM, Fast, DumpAsm, MCE);