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"
16 #include "llvm/CodeGen/Passes.h"
17 #include "llvm/IR/Module.h"
18 #include "llvm/PassManager.h"
19 #include "llvm/Support/TargetRegistry.h"
22 /// XCoreTargetMachine ctor - Create an ILP32 architecture model
24 XCoreTargetMachine::XCoreTargetMachine(const Target &T, StringRef TT,
25 StringRef CPU, StringRef FS,
26 const TargetOptions &Options,
27 Reloc::Model RM, CodeModel::Model CM,
29 : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
30 TLOF(make_unique<XCoreTargetObjectFile>()),
31 Subtarget(TT, CPU, FS, *this) {
35 XCoreTargetMachine::~XCoreTargetMachine() {}
38 /// XCore Code Generator Pass Configuration Options.
39 class XCorePassConfig : public TargetPassConfig {
41 XCorePassConfig(XCoreTargetMachine *TM, PassManagerBase &PM)
42 : TargetPassConfig(TM, PM) {}
44 XCoreTargetMachine &getXCoreTargetMachine() const {
45 return getTM<XCoreTargetMachine>();
48 void addIRPasses() override;
49 bool addPreISel() override;
50 bool addInstSelector() override;
51 void addPreEmitPass() override;
55 TargetPassConfig *XCoreTargetMachine::createPassConfig(PassManagerBase &PM) {
56 return new XCorePassConfig(this, PM);
59 void XCorePassConfig::addIRPasses() {
60 addPass(createAtomicExpandPass(&getXCoreTargetMachine()));
62 TargetPassConfig::addIRPasses();
65 bool XCorePassConfig::addPreISel() {
66 addPass(createXCoreLowerThreadLocalPass());
70 bool XCorePassConfig::addInstSelector() {
71 addPass(createXCoreISelDag(getXCoreTargetMachine(), getOptLevel()));
75 void XCorePassConfig::addPreEmitPass() {
76 addPass(createXCoreFrameToArgsOffsetEliminationPass(), false);
79 // Force static initialization.
80 extern "C" void LLVMInitializeXCoreTarget() {
81 RegisterTargetMachine<XCoreTargetMachine> X(TheXCoreTarget);
84 void XCoreTargetMachine::addAnalysisPasses(PassManagerBase &PM) {
85 // Add first the target-independent BasicTTI pass, then our XCore pass. This
86 // allows the XCore pass to delegate to the target independent layer when
88 PM.add(createBasicTargetTransformInfoPass(this));
89 PM.add(createXCoreTargetTransformInfoPass(this));