Mercurial > projects > ldc
view gen/irstate.h @ 1138:4c8bb03e4fbc
Update DtoConstFP() to be correct after LLVM r67562, which changed the way the
APFloat constructor expects its i80 APInts to be formatted. (They're now
actually consistent with the x87 format)
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Tue, 24 Mar 2009 15:24:59 +0100 |
parents | 8c73ff5f69e0 |
children | f99a3b393c03 |
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#ifndef LDC_GEN_IRSTATE_H #define LDC_GEN_IRSTATE_H #include <vector> #include <deque> #include <list> #include <sstream> #include "root.h" #include "aggregate.h" #include "ir/irfunction.h" #include "ir/irstruct.h" #include "ir/irvar.h" #include "llvm/Support/CallSite.h" namespace llvm { class TargetMachine; } // global ir state for current module struct IRState; struct TargetABI; extern IRState* gIR; extern llvm::TargetMachine* gTargetMachine; extern const llvm::TargetData* gTargetData; extern TargetABI* gABI; struct TypeFunction; struct TypeStruct; struct ClassDeclaration; struct FuncDeclaration; struct Module; struct TypeStruct; struct BaseClass; struct AnonDeclaration; struct EnclosingHandler; struct IrModule; // represents a scope struct IRScope { llvm::BasicBlock* begin; llvm::BasicBlock* end; IRBuilder<> builder; IRScope(); IRScope(llvm::BasicBlock* b, llvm::BasicBlock* e); }; // scope for loops struct IRLoopScope : IRScope { // generating statement Statement* s; // the try of a TryFinally that encloses the loop EnclosingHandler* enclosinghandler; // if it is a switch, we are a possible target for break // but not for continue bool isSwitch; IRLoopScope(); IRLoopScope(Statement* s, EnclosingHandler* enclosinghandler, llvm::BasicBlock* b, llvm::BasicBlock* e, bool isSwitch = false); }; struct IRBuilderHelper { IRState* state; IRBuilder<>* operator->(); }; struct IRAsmStmt { IRAsmStmt() : isBranchToLabel(NULL) {} std::string code; std::string out_c; std::string in_c; std::vector<LLValue*> out; std::vector<LLValue*> in; // if this is nonzero, it contains the target label Identifier* isBranchToLabel; }; struct IRAsmBlock { std::deque<IRAsmStmt*> s; std::set<std::string> clobs; size_t outputcount; // stores the labels within the asm block std::vector<Identifier*> internalLabels; AsmBlockStatement* asmBlock; const LLType* retty; unsigned retn; bool retemu; // emulate abi ret with a temporary LLValue* (*retfixup)(IRBuilderHelper b, LLValue* orig); // Modifies retval IRAsmBlock(AsmBlockStatement* b) : asmBlock(b), retty(NULL), retn(0), retemu(false), retfixup(NULL), outputcount(0) {} }; // represents the module struct IRState { IRState(llvm::Module* m); // module Module* dmodule; llvm::Module* module; // interface info type, used in DtoInterfaceInfoType const LLStructType* interfaceInfoType; const LLStructType* mutexType; const LLStructType* moduleRefType; // functions typedef std::vector<IrFunction*> FunctionVector; FunctionVector functions; IrFunction* func(); llvm::Function* topfunc(); TypeFunction* topfunctype(); llvm::Instruction* topallocapoint(); // structs typedef std::vector<IrStruct*> StructVector; StructVector structs; IrStruct* topstruct(); // D main function bool emitMain; llvm::Function* mainFunc; // basic block scopes std::vector<IRScope> scopes; IRScope& scope(); llvm::BasicBlock* scopebb(); llvm::BasicBlock* scopeend(); bool scopereturned(); // create a call or invoke, depending on the landing pad info // the template function is defined further down in this file template <typename InputIterator> llvm::CallSite CreateCallOrInvoke(LLValue* Callee, InputIterator ArgBegin, InputIterator ArgEnd, const char* Name=""); llvm::CallSite CreateCallOrInvoke(LLValue* Callee, const char* Name=""); llvm::CallSite CreateCallOrInvoke(LLValue* Callee, LLValue* Arg1, const char* Name=""); llvm::CallSite CreateCallOrInvoke2(LLValue* Callee, LLValue* Arg1, LLValue* Arg2, const char* Name=""); llvm::CallSite CreateCallOrInvoke3(LLValue* Callee, LLValue* Arg1, LLValue* Arg2, LLValue* Arg3, const char* Name=""); llvm::CallSite CreateCallOrInvoke4(LLValue* Callee, LLValue* Arg1, LLValue* Arg2, LLValue* Arg3, LLValue* Arg4, const char* Name=""); // loop blocks typedef std::vector<IRLoopScope> LoopScopeVec; LoopScopeVec loopbbs; // this holds the array being indexed or sliced so $ will work // might be a better way but it works. problem is I only get a // VarDeclaration for __dollar, but I can't see how to get the // array pointer from this :( std::vector<DValue*> arrays; // builder helper IRBuilderHelper ir; // debug info helper llvm::DIFactory difactory; typedef std::list<Dsymbol*> DsymbolList; // dsymbols that need to be resolved DsymbolList resolveList; // dsymbols that need to be declared DsymbolList declareList; // dsymbols that need constant initializers constructed DsymbolList constInitList; // dsymbols that need definitions DsymbolList defineList; // static ctors/dtors/unittests typedef std::vector<FuncDeclaration*> FuncDeclVector; FuncDeclVector ctors; FuncDeclVector dtors; FuncDeclVector unitTests; // for inline asm IRAsmBlock* asmBlock; std::ostringstream nakedAsm; // 'used' array solely for keeping a reference to globals std::vector<LLConstant*> usedArray; // dwarf dbg stuff LLGlobalVariable* dwarfCUs; LLGlobalVariable* dwarfSPs; LLGlobalVariable* dwarfGVs; }; template <typename InputIterator> llvm::CallSite IRState::CreateCallOrInvoke(LLValue* Callee, InputIterator ArgBegin, InputIterator ArgEnd, const char* Name) { llvm::BasicBlock* pad; if(pad = func()->landingPad.get()) { // intrinsics don't support invoking LLFunction* funcval = llvm::dyn_cast<LLFunction>(Callee); if (funcval && funcval->isIntrinsic()) { return ir->CreateCall(Callee, ArgBegin, ArgEnd, Name); } llvm::BasicBlock* postinvoke = llvm::BasicBlock::Create("postinvoke", topfunc(), scopeend()); llvm::InvokeInst* invoke = ir->CreateInvoke(Callee, postinvoke, pad, ArgBegin, ArgEnd, Name); scope() = IRScope(postinvoke, scopeend()); return invoke; } else return ir->CreateCall(Callee, ArgBegin, ArgEnd, Name); } #endif // LDC_GEN_IRSTATE_H