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"
15 #include "llvm/CodeGen/Passes.h"
16 #include "llvm/IR/Module.h"
17 #include "llvm/PassManager.h"
18 #include "llvm/Support/TargetRegistry.h"
21 /// XCoreTargetMachine ctor - Create an ILP32 architecture model
23 XCoreTargetMachine::XCoreTargetMachine(const Target &T, StringRef TT,
24 StringRef CPU, StringRef FS,
25 const TargetOptions &Options,
26 Reloc::Model RM, CodeModel::Model CM,
28 : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
29 Subtarget(TT, CPU, FS, *this) {
34 /// XCore Code Generator Pass Configuration Options.
35 class XCorePassConfig : public TargetPassConfig {
37 XCorePassConfig(XCoreTargetMachine *TM, PassManagerBase &PM)
38 : TargetPassConfig(TM, PM) {}
40 XCoreTargetMachine &getXCoreTargetMachine() const {
41 return getTM<XCoreTargetMachine>();
44 bool addPreISel() override;
45 bool addInstSelector() override;
46 bool addPreEmitPass() override;
50 TargetPassConfig *XCoreTargetMachine::createPassConfig(PassManagerBase &PM) {
51 return new XCorePassConfig(this, PM);
54 bool XCorePassConfig::addPreISel() {
55 addPass(createXCoreLowerThreadLocalPass());
59 bool XCorePassConfig::addInstSelector() {
60 addPass(createXCoreISelDag(getXCoreTargetMachine(), getOptLevel()));
64 bool XCorePassConfig::addPreEmitPass() {
65 addPass(createXCoreFrameToArgsOffsetEliminationPass());
69 // Force static initialization.
70 extern "C" void LLVMInitializeXCoreTarget() {
71 RegisterTargetMachine<XCoreTargetMachine> X(TheXCoreTarget);
74 void XCoreTargetMachine::addAnalysisPasses(PassManagerBase &PM) {
75 // Add first the target-independent BasicTTI pass, then our XCore pass. This
76 // allows the XCore pass to delegate to the target independent layer when
78 PM.add(createBasicTargetTransformInfoPass(this));
79 PM.add(createXCoreTargetTransformInfoPass(this));