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) {
36 /// XCore Code Generator Pass Configuration Options.
37 class XCorePassConfig : public TargetPassConfig {
39 XCorePassConfig(XCoreTargetMachine *TM, PassManagerBase &PM)
40 : TargetPassConfig(TM, PM) {}
42 XCoreTargetMachine &getXCoreTargetMachine() const {
43 return getTM<XCoreTargetMachine>();
46 void addIRPasses() override;
47 bool addPreISel() override;
48 bool addInstSelector() override;
49 bool addPreEmitPass() override;
53 TargetPassConfig *XCoreTargetMachine::createPassConfig(PassManagerBase &PM) {
54 return new XCorePassConfig(this, PM);
57 void XCorePassConfig::addIRPasses() {
58 addPass(createAtomicExpandPass(&getXCoreTargetMachine()));
60 TargetPassConfig::addIRPasses();
63 bool XCorePassConfig::addPreISel() {
64 addPass(createXCoreLowerThreadLocalPass());
68 bool XCorePassConfig::addInstSelector() {
69 addPass(createXCoreISelDag(getXCoreTargetMachine(), getOptLevel()));
73 bool XCorePassConfig::addPreEmitPass() {
74 addPass(createXCoreFrameToArgsOffsetEliminationPass());
78 // Force static initialization.
79 extern "C" void LLVMInitializeXCoreTarget() {
80 RegisterTargetMachine<XCoreTargetMachine> X(TheXCoreTarget);
83 void XCoreTargetMachine::addAnalysisPasses(PassManagerBase &PM) {
84 // Add first the target-independent BasicTTI pass, then our XCore pass. This
85 // allows the XCore pass to delegate to the target independent layer when
87 PM.add(createBasicTargetTransformInfoPass(this));
88 PM.add(createXCoreTargetTransformInfoPass(this));