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Eliminated the need for resolve, declare, const-init and define lists to drive code generation.

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This commit is contained in:
Tomas Lindquist Olsen 2009-03-27 21:50:32 +01:00
parent daef67acc3
commit ec986231e5
14 changed files with 198 additions and 402 deletions
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31
gen/structs.cpp
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@ -97,7 +97,7 @@ LLConstant* DtoConstStructInitializer(StructInitializer* si)
TypeStruct* ts = (TypeStruct*)si->ad->type;
// force constant initialization of the symbol
DtoForceConstInitDsymbol(si->ad);
si->ad->codegen(Type::sir);;
// get formal type
const llvm::StructType* structtype = isaStruct(ts->ir.type->get());
@ -517,6 +517,15 @@ void DtoResolveStruct(StructDeclaration* sd)
// create the type
ts->ir.type = new LLPATypeHolder(llvm::OpaqueType::get());
// create symbols we're going to need
// avoids chicken egg problems
std::string initname("_D");
initname.append(sd->mangle());
initname.append("6__initZ");
llvm::GlobalValue::LinkageTypes _linkage = DtoExternalLinkage(sd);
sd->ir.irStruct->init = new llvm::GlobalVariable(sd->ir.irStruct->initOpaque.get(), true, _linkage, NULL, initname, gIR->module);
// handle forward declaration structs (opaques)
// didn't even know D had those ...
if (sd->sizeok != 1)
@ -579,13 +588,15 @@ void DtoResolveStruct(StructDeclaration* sd)
gIR->structs.pop_back();
gIR->declareList.push_back(sd);
DtoDeclareStruct(sd);
}
//////////////////////////////////////////////////////////////////////////////////////////
void DtoDeclareStruct(StructDeclaration* sd)
{
DtoResolveStruct(sd);
if (sd->ir.declared) return;
sd->ir.declared = true;
@ -594,23 +605,17 @@ void DtoDeclareStruct(StructDeclaration* sd)
TypeStruct* ts = (TypeStruct*)sd->type->toBasetype();
std::string initname("_D");
initname.append(sd->mangle());
initname.append("6__initZ");
llvm::GlobalValue::LinkageTypes _linkage = DtoExternalLinkage(sd);
llvm::GlobalVariable* initvar = new llvm::GlobalVariable(sd->ir.irStruct->initOpaque.get(), true, _linkage, NULL, initname, gIR->module);
sd->ir.irStruct->init = initvar;
gIR->constInitList.push_back(sd);
DtoConstInitStruct(sd);
if (mustDefineSymbol(sd))
gIR->defineList.push_back(sd);
DtoDefineStruct(sd);
}
//////////////////////////////////////////////////////////////////////////////////////////
void DtoConstInitStruct(StructDeclaration* sd)
{
DtoDeclareStruct(sd);
if (sd->ir.initialized) return;
sd->ir.initialized = true;
@ -651,6 +656,8 @@ void DtoConstInitStruct(StructDeclaration* sd)
void DtoDefineStruct(StructDeclaration* sd)
{
DtoConstInitStruct(sd);
if (sd->ir.defined) return;
sd->ir.defined = true;