1 //===-- MSILWriter.h - TargetMachine for the MSIL ---------------*- C++ -*-===//
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 //===----------------------------------------------------------------------===//
10 // This file declares the MSILWriter that is used by the MSIL.
12 //===----------------------------------------------------------------------===//
16 #include "llvm/Constants.h"
17 #include "llvm/Module.h"
18 #include "llvm/Instructions.h"
19 #include "llvm/IntrinsicInst.h"
20 #include "llvm/Pass.h"
21 #include "llvm/PassManager.h"
22 #include "llvm/Analysis/FindUsedTypes.h"
23 #include "llvm/Analysis/LoopInfo.h"
24 #include "llvm/Support/FormattedStream.h"
25 #include "llvm/Support/GetElementPtrTypeIterator.h"
26 #include "llvm/Target/TargetData.h"
27 #include "llvm/Target/TargetMachine.h"
28 #include "llvm/Target/TargetMachineRegistry.h"
29 #include "llvm/Support/Mangler.h"
35 class MSILModule : public ModulePass {
37 const std::set<const Type *>*& UsedTypes;
38 const TargetData*& TD;
42 MSILModule(const std::set<const Type *>*& _UsedTypes,
43 const TargetData*& _TD)
44 : ModulePass(&ID), UsedTypes(_UsedTypes), TD(_TD) {}
46 void getAnalysisUsage(AnalysisUsage &AU) const {
47 AU.addRequired<FindUsedTypes>();
48 AU.addRequired<TargetData>();
51 virtual const char *getPassName() const {
52 return "MSIL backend definitions";
55 virtual bool runOnModule(Module &M);
59 class MSILWriter : public FunctionPass {
60 struct StaticInitializer {
61 const Constant* constant;
65 : constant(0), offset(0) {}
67 StaticInitializer(const Constant* _constant, uint64_t _offset)
68 : constant(_constant), offset(_offset) {}
73 uint64_t getUniqID() {
78 formatted_raw_ostream &Out;
83 std::vector<StaticInitializer>* InitListPtr;
84 std::map<const GlobalVariable*,std::vector<StaticInitializer> >
86 const std::set<const Type *>* UsedTypes;
88 DenseMap<const Value*, unsigned> AnonValueNumbers;
89 unsigned NextAnonValueNumber;
91 MSILWriter(formatted_raw_ostream &o) : FunctionPass(&ID), Out(o),
92 NextAnonValueNumber(0) {
106 bool isVariable(ValueType V) {
107 return V==GlobalVT || V==InternalVT || V==ArgumentVT || V==LocalVT;
110 bool isConstValue(ValueType V) {
111 return V==ConstVT || V==ConstExprVT;
114 virtual const char *getPassName() const { return "MSIL backend"; }
116 void getAnalysisUsage(AnalysisUsage &AU) const {
117 AU.addRequired<LoopInfo>();
118 AU.setPreservesAll();
121 bool runOnFunction(Function &F);
123 virtual bool doInitialization(Module &M);
125 virtual bool doFinalization(Module &M);
127 void printModuleStartup();
129 bool isZeroValue(const Value* V);
131 std::string getValueName(const Value* V);
133 std::string getLabelName(const Value* V);
135 std::string getLabelName(const std::string& Name);
137 std::string getConvModopt(unsigned CallingConvID);
139 std::string getArrayTypeName(Type::TypeID TyID, const Type* Ty);
141 std::string getPrimitiveTypeName(const Type* Ty, bool isSigned);
143 std::string getFunctionTypeName(const Type* Ty);
145 std::string getPointerTypeName(const Type* Ty);
147 std::string getTypeName(const Type* Ty, bool isSigned = false,
148 bool isNested = false);
150 ValueType getValueLocation(const Value* V);
152 std::string getTypePostfix(const Type* Ty, bool Expand,
153 bool isSigned = false);
155 void printConvToPtr();
157 void printPtrLoad(uint64_t N);
159 void printValuePtrLoad(const Value* V);
161 void printConstLoad(const Constant* C);
163 void printValueLoad(const Value* V);
165 void printValueSave(const Value* V);
167 void printBinaryInstruction(const char* Name, const Value* Left,
170 void printSimpleInstruction(const char* Inst, const char* Operand = NULL);
172 void printPHICopy(const BasicBlock* Src, const BasicBlock* Dst);
174 void printBranchToBlock(const BasicBlock* CurrBB,
175 const BasicBlock* TrueBB,
176 const BasicBlock* FalseBB);
178 void printBranchInstruction(const BranchInst* Inst);
180 void printSelectInstruction(const Value* Cond, const Value* VTrue,
181 const Value* VFalse);
183 void printIndirectLoad(const Value* V);
185 void printIndirectSave(const Value* Ptr, const Value* Val);
187 void printIndirectSave(const Type* Ty);
189 void printCastInstruction(unsigned int Op, const Value* V,
190 const Type* Ty, const Type* SrcTy=0);
192 void printGepInstruction(const Value* V, gep_type_iterator I,
193 gep_type_iterator E);
195 std::string getCallSignature(const FunctionType* Ty,
196 const Instruction* Inst,
199 void printFunctionCall(const Value* FnVal, const Instruction* Inst);
201 void printIntrinsicCall(const IntrinsicInst* Inst);
203 void printCallInstruction(const Instruction* Inst);
205 void printICmpInstruction(unsigned Predicate, const Value* Left,
208 void printFCmpInstruction(unsigned Predicate, const Value* Left,
211 void printInvokeInstruction(const InvokeInst* Inst);
213 void printSwitchInstruction(const SwitchInst* Inst);
215 void printVAArgInstruction(const VAArgInst* Inst);
217 void printAllocaInstruction(const AllocaInst* Inst);
219 void printInstruction(const Instruction* Inst);
221 void printLoop(const Loop* L);
223 void printBasicBlock(const BasicBlock* BB);
225 void printLocalVariables(const Function& F);
227 void printFunctionBody(const Function& F);
229 void printConstantExpr(const ConstantExpr* CE);
231 void printStaticInitializerList();
233 void printFunction(const Function& F);
235 void printDeclarations(const TypeSymbolTable& ST);
237 unsigned int getBitWidth(const Type* Ty);
239 void printStaticConstant(const Constant* C, uint64_t& Offset);
241 void printStaticInitializer(const Constant* C, const std::string& Name);
243 void printVariableDefinition(const GlobalVariable* G);
245 void printGlobalVariables();
247 const char* getLibraryName(const Function* F);
249 const char* getLibraryName(const GlobalVariable* GV);
251 const char* getLibraryForSymbol(const char* Name, bool isFunction,
252 unsigned CallingConv);
254 void printExternals();