1 //===-- XCoreTargetMachine.cpp - Define TargetMachine for XCore -----------===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
10 //===----------------------------------------------------------------------===//
12 #include "XCoreTargetMachine.h"
13 #include "MCTargetDesc/XCoreMCTargetDesc.h"
14 #include "TargetInfo/XCoreTargetInfo.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
35 getEffectiveXCoreCodeModel(Optional<CodeModel::Model> CM) {
37 if (*CM != CodeModel::Small && *CM != CodeModel::Large)
38 report_fatal_error("Target only supports CodeModel Small or Large");
41 return CodeModel::Small;
44 /// Create an ILP32 architecture model
46 XCoreTargetMachine::XCoreTargetMachine(const Target &T, const Triple &TT,
47 StringRef CPU, StringRef FS,
48 const TargetOptions &Options,
49 Optional<Reloc::Model> RM,
50 Optional<CodeModel::Model> CM,
51 CodeGenOpt::Level OL, bool JIT)
53 T, "e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:32-f64:32-a:0:32-n32",
54 TT, CPU, FS, Options, getEffectiveRelocModel(RM),
55 getEffectiveXCoreCodeModel(CM), OL),
56 TLOF(llvm::make_unique<XCoreTargetObjectFile>()),
57 Subtarget(TT, CPU, FS, *this) {
61 XCoreTargetMachine::~XCoreTargetMachine() = default;
65 /// XCore Code Generator Pass Configuration Options.
66 class XCorePassConfig : public TargetPassConfig {
68 XCorePassConfig(XCoreTargetMachine &TM, PassManagerBase &PM)
69 : TargetPassConfig(TM, PM) {}
71 XCoreTargetMachine &getXCoreTargetMachine() const {
72 return getTM<XCoreTargetMachine>();
75 void addIRPasses() override;
76 bool addPreISel() override;
77 bool addInstSelector() override;
78 void addPreEmitPass() override;
81 } // end anonymous namespace
83 TargetPassConfig *XCoreTargetMachine::createPassConfig(PassManagerBase &PM) {
84 return new XCorePassConfig(*this, PM);
87 void XCorePassConfig::addIRPasses() {
88 addPass(createAtomicExpandPass());
90 TargetPassConfig::addIRPasses();
93 bool XCorePassConfig::addPreISel() {
94 addPass(createXCoreLowerThreadLocalPass());
98 bool XCorePassConfig::addInstSelector() {
99 addPass(createXCoreISelDag(getXCoreTargetMachine(), getOptLevel()));
103 void XCorePassConfig::addPreEmitPass() {
104 addPass(createXCoreFrameToArgsOffsetEliminationPass(), false);
107 // Force static initialization.
108 extern "C" void LLVMInitializeXCoreTarget() {
109 RegisterTargetMachine<XCoreTargetMachine> X(getTheXCoreTarget());
113 XCoreTargetMachine::getTargetTransformInfo(const Function &F) {
114 return TargetTransformInfo(XCoreTTIImpl(this, F));