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 "MCTargetDesc/XCoreMCTargetDesc.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 static CodeModel::Model getEffectiveCodeModel(Optional<CodeModel::Model> CM) {
36 if (*CM != CodeModel::Small && *CM != CodeModel::Large)
37 report_fatal_error("Target only supports CodeModel Small or Large");
40 return CodeModel::Small;
43 /// Create an ILP32 architecture model
45 XCoreTargetMachine::XCoreTargetMachine(const Target &T, const Triple &TT,
46 StringRef CPU, StringRef FS,
47 const TargetOptions &Options,
48 Optional<Reloc::Model> RM,
49 Optional<CodeModel::Model> CM,
50 CodeGenOpt::Level OL, bool JIT)
52 T, "e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:32-f64:32-a:0:32-n32",
53 TT, CPU, FS, Options, getEffectiveRelocModel(RM),
54 getEffectiveCodeModel(CM), OL),
55 TLOF(llvm::make_unique<XCoreTargetObjectFile>()),
56 Subtarget(TT, CPU, FS, *this) {
60 XCoreTargetMachine::~XCoreTargetMachine() = default;
64 /// XCore Code Generator Pass Configuration Options.
65 class XCorePassConfig : public TargetPassConfig {
67 XCorePassConfig(XCoreTargetMachine &TM, PassManagerBase &PM)
68 : TargetPassConfig(TM, PM) {}
70 XCoreTargetMachine &getXCoreTargetMachine() const {
71 return getTM<XCoreTargetMachine>();
74 void addIRPasses() override;
75 bool addPreISel() override;
76 bool addInstSelector() override;
77 void addPreEmitPass() override;
80 } // end anonymous namespace
82 TargetPassConfig *XCoreTargetMachine::createPassConfig(PassManagerBase &PM) {
83 return new XCorePassConfig(*this, PM);
86 void XCorePassConfig::addIRPasses() {
87 addPass(createAtomicExpandPass());
89 TargetPassConfig::addIRPasses();
92 bool XCorePassConfig::addPreISel() {
93 addPass(createXCoreLowerThreadLocalPass());
97 bool XCorePassConfig::addInstSelector() {
98 addPass(createXCoreISelDag(getXCoreTargetMachine(), getOptLevel()));
102 void XCorePassConfig::addPreEmitPass() {
103 addPass(createXCoreFrameToArgsOffsetEliminationPass(), false);
106 // Force static initialization.
107 extern "C" void LLVMInitializeXCoreTarget() {
108 RegisterTargetMachine<XCoreTargetMachine> X(getTheXCoreTarget());
112 XCoreTargetMachine::getTargetTransformInfo(const Function &F) {
113 return TargetTransformInfo(XCoreTTIImpl(this, F));