1//===-- XCoreTargetMachine.cpp - Define TargetMachine for XCore -----------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// 11//===----------------------------------------------------------------------===// 12 13#include "XCoreTargetMachine.h" 14#include "XCore.h" 15#include "llvm/CodeGen/Passes.h" 16#include "llvm/IR/Module.h" 17#include "llvm/PassManager.h" 18#include "llvm/Support/TargetRegistry.h" 19using namespace llvm; 20 21/// XCoreTargetMachine ctor - Create an ILP32 architecture model 22/// 23XCoreTargetMachine::XCoreTargetMachine(const Target &T, StringRef TT, 24 StringRef CPU, StringRef FS, 25 const TargetOptions &Options, 26 Reloc::Model RM, CodeModel::Model CM, 27 CodeGenOpt::Level OL) 28 : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL), 29 Subtarget(TT, CPU, FS), 30 DL("e-p:32:32:32-a0:0:32-f32:32:32-f64:32:32-i1:8:32-i8:8:32-" 31 "i16:16:32-i32:32:32-i64:32:32-n32"), 32 InstrInfo(), 33 FrameLowering(Subtarget), 34 TLInfo(*this), 35 TSInfo(*this) { 36 initAsmInfo(); 37} 38 39namespace { 40/// XCore Code Generator Pass Configuration Options. 41class XCorePassConfig : public TargetPassConfig { 42public: 43 XCorePassConfig(XCoreTargetMachine *TM, PassManagerBase &PM) 44 : TargetPassConfig(TM, PM) {} 45 46 XCoreTargetMachine &getXCoreTargetMachine() const { 47 return getTM<XCoreTargetMachine>(); 48 } 49 50 virtual bool addPreISel(); 51 virtual bool addInstSelector(); 52}; 53} // namespace 54 55TargetPassConfig *XCoreTargetMachine::createPassConfig(PassManagerBase &PM) { 56 return new XCorePassConfig(this, PM); 57} 58 59bool XCorePassConfig::addPreISel() { 60 addPass(createXCoreLowerThreadLocalPass()); 61 return false; 62} 63 64bool XCorePassConfig::addInstSelector() { 65 addPass(createXCoreISelDag(getXCoreTargetMachine(), getOptLevel())); 66 return false; 67} 68 69// Force static initialization. 70extern "C" void LLVMInitializeXCoreTarget() { 71 RegisterTargetMachine<XCoreTargetMachine> X(TheXCoreTarget); 72} 73 74void XCoreTargetMachine::addAnalysisPasses(PassManagerBase &PM) { 75 // Add first the target-independent BasicTTI pass, then our XCore pass. This 76 // allows the XCore pass to delegate to the target independent layer when 77 // appropriate. 78 PM.add(createBasicTargetTransformInfoPass(this)); 79 PM.add(createXCoreTargetTransformInfoPass(this)); 80} 81