forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			81 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===-- XCoreTargetMachine.cpp - Define TargetMachine for XCore -----------===//
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| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is distributed under the University of Illinois Open Source
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| // License. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| //
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #include "XCoreTargetMachine.h"
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| #include "XCore.h"
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| #include "llvm/CodeGen/Passes.h"
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| #include "llvm/IR/Module.h"
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| #include "llvm/PassManager.h"
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| #include "llvm/Support/TargetRegistry.h"
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| using namespace llvm;
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| 
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| /// XCoreTargetMachine ctor - Create an ILP32 architecture model
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| ///
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| XCoreTargetMachine::XCoreTargetMachine(const Target &T, StringRef TT,
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|                                        StringRef CPU, StringRef FS,
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|                                        const TargetOptions &Options,
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|                                        Reloc::Model RM, CodeModel::Model CM,
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|                                        CodeGenOpt::Level OL)
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|     : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
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|       Subtarget(TT, CPU, FS, *this) {
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|   initAsmInfo();
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| }
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| 
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| namespace {
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| /// XCore Code Generator Pass Configuration Options.
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| class XCorePassConfig : public TargetPassConfig {
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| public:
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|   XCorePassConfig(XCoreTargetMachine *TM, PassManagerBase &PM)
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|     : TargetPassConfig(TM, PM) {}
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| 
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|   XCoreTargetMachine &getXCoreTargetMachine() const {
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|     return getTM<XCoreTargetMachine>();
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|   }
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| 
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|   bool addPreISel() override;
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|   bool addInstSelector() override;
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|   bool addPreEmitPass() override;
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| };
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| } // namespace
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| 
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| TargetPassConfig *XCoreTargetMachine::createPassConfig(PassManagerBase &PM) {
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|   return new XCorePassConfig(this, PM);
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| }
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| 
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| bool XCorePassConfig::addPreISel() {
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|   addPass(createXCoreLowerThreadLocalPass());
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|   return false;
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| }
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| 
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| bool XCorePassConfig::addInstSelector() {
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|   addPass(createXCoreISelDag(getXCoreTargetMachine(), getOptLevel()));
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|   return false;
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| }
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| 
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| bool XCorePassConfig::addPreEmitPass() {
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|   addPass(createXCoreFrameToArgsOffsetEliminationPass());
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|   return false;
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| }
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| 
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| // Force static initialization.
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| extern "C" void LLVMInitializeXCoreTarget() {
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|   RegisterTargetMachine<XCoreTargetMachine> X(TheXCoreTarget);
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| }
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| 
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| void XCoreTargetMachine::addAnalysisPasses(PassManagerBase &PM) {
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|   // Add first the target-independent BasicTTI pass, then our XCore pass. This
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|   // allows the XCore pass to delegate to the target independent layer when
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|   // appropriate.
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|   PM.add(createBasicTargetTransformInfoPass(this));
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|   PM.add(createXCoreTargetTransformInfoPass(this));
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| }
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