Mercurial > projects > ldc
view ir/irfunction.cpp @ 1052:12ea38902e83
Add '-singleobj' command line switch that will tell LDC to link LLVM modules internally and only emit a single object file.
The switch allows the optimizer and inliner to run on all modules at once and opens the door for template instantiation improvements that should lower compile time and executable size.
author | Christian Kamm <kamm incasoftware de> |
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date | Sat, 07 Mar 2009 19:38:00 +0100 |
parents | dc608dc33081 |
children | 8699c450a1a0 |
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#include "gen/llvm.h" #include "gen/tollvm.h" #include "gen/abi.h" #include "gen/dvalue.h" #include "gen/logger.h" #include "ir/irfunction.h" #include "ir/irfuncty.h" #include <sstream> ////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////// IrFuncTyArg::IrFuncTyArg(Type* t, bool bref, unsigned a) { type = t; ltype = bref ? DtoType(t->pointerTo()) : DtoType(t); attrs = a; byref = bref; rewrite = NULL; } bool IrFuncTyArg::isInReg() const { return (attrs & llvm::Attribute::InReg) != 0; } bool IrFuncTyArg::isSRet() const { return (attrs & llvm::Attribute::StructRet) != 0; } bool IrFuncTyArg::isByVal() const { return (attrs & llvm::Attribute::ByVal) != 0; } ////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////// llvm::Value* IrFuncTy::putRet(Type* dty, DValue* val) { assert(!arg_sret); if (ret->rewrite) { Logger::println("Rewrite: putRet"); LOG_SCOPE return ret->rewrite->put(dty, val); } return val->getRVal(); } llvm::Value* IrFuncTy::getRet(Type* dty, DValue* val) { assert(!arg_sret); if (ret->rewrite) { Logger::println("Rewrite: getRet"); LOG_SCOPE return ret->rewrite->get(dty, val); } return val->getRVal(); } llvm::Value* IrFuncTy::putParam(Type* dty, int idx, DValue* val) { assert(idx >= 0 && idx < args.size() && "invalid putParam"); if (args[idx]->rewrite) { Logger::println("Rewrite: putParam"); LOG_SCOPE return args[idx]->rewrite->put(dty, val); } return val->getRVal(); } llvm::Value* IrFuncTy::getParam(Type* dty, int idx, DValue* val) { assert(idx >= 0 && idx < args.size() && "invalid getParam"); if (args[idx]->rewrite) { Logger::println("Rewrite: getParam (get)"); LOG_SCOPE return args[idx]->rewrite->get(dty, val); } return val->getRVal(); } void IrFuncTy::getParam(Type* dty, int idx, DValue* val, llvm::Value* lval) { assert(idx >= 0 && idx < args.size() && "invalid getParam"); if (args[idx]->rewrite) { Logger::println("Rewrite: getParam (getL)"); LOG_SCOPE args[idx]->rewrite->getL(dty, val, lval); return; } DtoStore(val->getRVal(), lval); } ////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////// IrFunction::IrFunction(FuncDeclaration* fd) { decl = fd; Type* t = fd->type->toBasetype(); assert(t->ty == Tfunction); type = (TypeFunction*)t; func = NULL; allocapoint = NULL; queued = false; defined = false; retArg = NULL; thisArg = NULL; nestArg = NULL; nestedVar = NULL; _arguments = NULL; _argptr = NULL; nextUnique.push(0); } std::string IrFunction::getScopedLabelName(const char* ident) { if(labelScopes.empty()) return std::string(ident); std::string result = "__"; for(unsigned int i = 0; i < labelScopes.size(); ++i) result += labelScopes[i] + "_"; return result + ident; } void IrFunction::pushUniqueLabelScope(const char* name) { std::ostringstream uniquename; uniquename << name << nextUnique.top()++; nextUnique.push(0); labelScopes.push_back(uniquename.str()); } void IrFunction::popLabelScope() { labelScopes.pop_back(); nextUnique.pop(); } void IrFunction::setNeverInline() { assert(!func->hasFnAttr(llvm::Attribute::AlwaysInline) && "function can't be never- and always-inline at the same time"); func->addFnAttr(llvm::Attribute::NoInline); } void IrFunction::setAlwaysInline() { assert(!func->hasFnAttr(llvm::Attribute::NoInline) && "function can't be never- and always-inline at the same time"); func->addFnAttr(llvm::Attribute::AlwaysInline); }