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 DL("e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:32-f64:32-a:0:32-n32"),
32 Subtarget(TT, CPU, FS, *this) {
36 XCoreTargetMachine::~XCoreTargetMachine() {}
39 /// XCore Code Generator Pass Configuration Options.
40 class XCorePassConfig : public TargetPassConfig {
42 XCorePassConfig(XCoreTargetMachine *TM, PassManagerBase &PM)
43 : TargetPassConfig(TM, PM) {}
45 XCoreTargetMachine &getXCoreTargetMachine() const {
46 return getTM<XCoreTargetMachine>();
49 void addIRPasses() override;
50 bool addPreISel() override;
51 bool addInstSelector() override;
52 void addPreEmitPass() override;
56 TargetPassConfig *XCoreTargetMachine::createPassConfig(PassManagerBase &PM) {
57 return new XCorePassConfig(this, PM);
60 void XCorePassConfig::addIRPasses() {
61 addPass(createAtomicExpandPass(&getXCoreTargetMachine()));
63 TargetPassConfig::addIRPasses();
66 bool XCorePassConfig::addPreISel() {
67 addPass(createXCoreLowerThreadLocalPass());
71 bool XCorePassConfig::addInstSelector() {
72 addPass(createXCoreISelDag(getXCoreTargetMachine(), getOptLevel()));
76 void XCorePassConfig::addPreEmitPass() {
77 addPass(createXCoreFrameToArgsOffsetEliminationPass(), false);
80 // Force static initialization.
81 extern "C" void LLVMInitializeXCoreTarget() {
82 RegisterTargetMachine<XCoreTargetMachine> X(TheXCoreTarget);
85 void XCoreTargetMachine::addAnalysisPasses(PassManagerBase &PM) {
86 PM.add(createXCoreTargetTransformInfoPass(this));