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 "MCTargetDesc/XCoreMCTargetDesc.h"
15 #include "XCoreTargetMachine.h"
16 #include "XCoreTargetObjectFile.h"
17 #include "XCoreTargetTransformInfo.h"
18 #include "llvm/ADT/Optional.h"
19 #include "llvm/ADT/STLExtras.h"
20 #include "llvm/Analysis/TargetTransformInfo.h"
21 #include "llvm/CodeGen/Passes.h"
22 #include "llvm/CodeGen/TargetPassConfig.h"
23 #include "llvm/Support/CodeGen.h"
24 #include "llvm/Support/TargetRegistry.h"
28 static Reloc::Model getEffectiveRelocModel(Optional<Reloc::Model> RM) {
34 /// Create an ILP32 architecture model
36 XCoreTargetMachine::XCoreTargetMachine(const Target &T, const Triple &TT,
37 StringRef CPU, StringRef FS,
38 const TargetOptions &Options,
39 Optional<Reloc::Model> RM,
43 T, "e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:32-f64:32-a:0:32-n32",
44 TT, CPU, FS, Options, getEffectiveRelocModel(RM), CM, OL),
45 TLOF(llvm::make_unique<XCoreTargetObjectFile>()),
46 Subtarget(TT, CPU, FS, *this) {
50 XCoreTargetMachine::~XCoreTargetMachine() = default;
54 /// XCore Code Generator Pass Configuration Options.
55 class XCorePassConfig : public TargetPassConfig {
57 XCorePassConfig(XCoreTargetMachine *TM, PassManagerBase &PM)
58 : TargetPassConfig(TM, PM) {}
60 XCoreTargetMachine &getXCoreTargetMachine() const {
61 return getTM<XCoreTargetMachine>();
64 void addIRPasses() override;
65 bool addPreISel() override;
66 bool addInstSelector() override;
67 void addPreEmitPass() override;
70 } // end anonymous namespace
72 TargetPassConfig *XCoreTargetMachine::createPassConfig(PassManagerBase &PM) {
73 return new XCorePassConfig(this, PM);
76 void XCorePassConfig::addIRPasses() {
77 addPass(createAtomicExpandPass(&getXCoreTargetMachine()));
79 TargetPassConfig::addIRPasses();
82 bool XCorePassConfig::addPreISel() {
83 addPass(createXCoreLowerThreadLocalPass());
87 bool XCorePassConfig::addInstSelector() {
88 addPass(createXCoreISelDag(getXCoreTargetMachine(), getOptLevel()));
92 void XCorePassConfig::addPreEmitPass() {
93 addPass(createXCoreFrameToArgsOffsetEliminationPass(), false);
96 // Force static initialization.
97 extern "C" void LLVMInitializeXCoreTarget() {
98 RegisterTargetMachine<XCoreTargetMachine> X(getTheXCoreTarget());
101 TargetIRAnalysis XCoreTargetMachine::getTargetIRAnalysis() {
102 return TargetIRAnalysis([this](const Function &F) {
103 return TargetTransformInfo(XCoreTTIImpl(this, F));