1 //===-- XCoreTargetMachine.cpp - Define TargetMachine for XCore -----------===//
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 //===----------------------------------------------------------------------===//
13 #include "XCoreTargetMachine.h"
14 #include "XCoreTargetObjectFile.h"
15 #include "XCoreTargetTransformInfo.h"
17 #include "llvm/CodeGen/Passes.h"
18 #include "llvm/IR/Module.h"
19 #include "llvm/IR/LegacyPassManager.h"
20 #include "llvm/Support/TargetRegistry.h"
23 /// XCoreTargetMachine ctor - Create an ILP32 architecture model
25 XCoreTargetMachine::XCoreTargetMachine(const Target &T, StringRef TT,
26 StringRef CPU, StringRef FS,
27 const TargetOptions &Options,
28 Reloc::Model RM, CodeModel::Model CM,
30 : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
31 TLOF(make_unique<XCoreTargetObjectFile>()),
32 DL("e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:32-f64:32-a:0:32-n32"),
33 Subtarget(TT, CPU, FS, *this) {
37 XCoreTargetMachine::~XCoreTargetMachine() {}
40 /// XCore Code Generator Pass Configuration Options.
41 class XCorePassConfig : public TargetPassConfig {
43 XCorePassConfig(XCoreTargetMachine *TM, PassManagerBase &PM)
44 : TargetPassConfig(TM, PM) {}
46 XCoreTargetMachine &getXCoreTargetMachine() const {
47 return getTM<XCoreTargetMachine>();
50 void addIRPasses() override;
51 bool addPreISel() override;
52 bool addInstSelector() override;
53 void addPreEmitPass() override;
57 TargetPassConfig *XCoreTargetMachine::createPassConfig(PassManagerBase &PM) {
58 return new XCorePassConfig(this, PM);
61 void XCorePassConfig::addIRPasses() {
62 addPass(createAtomicExpandPass(&getXCoreTargetMachine()));
64 TargetPassConfig::addIRPasses();
67 bool XCorePassConfig::addPreISel() {
68 addPass(createXCoreLowerThreadLocalPass());
72 bool XCorePassConfig::addInstSelector() {
73 addPass(createXCoreISelDag(getXCoreTargetMachine(), getOptLevel()));
77 void XCorePassConfig::addPreEmitPass() {
78 addPass(createXCoreFrameToArgsOffsetEliminationPass(), false);
81 // Force static initialization.
82 extern "C" void LLVMInitializeXCoreTarget() {
83 RegisterTargetMachine<XCoreTargetMachine> X(TheXCoreTarget);
86 TargetIRAnalysis XCoreTargetMachine::getTargetIRAnalysis() {
87 return TargetIRAnalysis(
88 [this](Function &) { return TargetTransformInfo(XCoreTTIImpl(this)); });