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Changed the way LDC determines if a template instantiation needs to get a definition, seems to speed up compile times quite a bit in some cases.

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This commit is contained in:
Tomas Lindquist Olsen
2009-02-04 18:48:03 +01:00
parent a1e6510c39
commit 9bd52922bd
8 changed files with 57 additions and 40 deletions
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gen/tollvm.cpp
+5 -5
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@@ -275,7 +275,7 @@ LLGlobalValue::LinkageTypes DtoLinkage(Dsymbol* sym)
if (VarDeclaration* vd = sym->isVarDeclaration())
{
// template
if (DtoIsTemplateInstance(sym))
if (needsTemplateLinkage(sym))
return TEMPLATE_LINKAGE_TYPE;
// local static
else if (sym->parent && sym->parent->isFuncDeclaration())
@@ -296,7 +296,7 @@ LLGlobalValue::LinkageTypes DtoLinkage(Dsymbol* sym)
// template instances should have weak linkage
// but only if there's a body, and it's not naked
// otherwise we make it external
else if (DtoIsTemplateInstance(fdecl) && fdecl->fbody && !fdecl->naked)
else if (needsTemplateLinkage(fdecl) && fdecl->fbody && !fdecl->naked)
return TEMPLATE_LINKAGE_TYPE;
// extern(C) functions are always external
else if (ft->linkage == LINKc)
@@ -306,7 +306,7 @@ LLGlobalValue::LinkageTypes DtoLinkage(Dsymbol* sym)
else if (ClassDeclaration* cd = sym->isClassDeclaration())
{
// template
if (DtoIsTemplateInstance(cd))
if (needsTemplateLinkage(cd))
return TEMPLATE_LINKAGE_TYPE;
}
else
@@ -320,7 +320,7 @@ LLGlobalValue::LinkageTypes DtoLinkage(Dsymbol* sym)
llvm::GlobalValue::LinkageTypes DtoInternalLinkage(Dsymbol* sym)
{
if (DtoIsTemplateInstance(sym))
if (needsTemplateLinkage(sym))
return TEMPLATE_LINKAGE_TYPE;
else
return llvm::GlobalValue::InternalLinkage;
@@ -328,7 +328,7 @@ llvm::GlobalValue::LinkageTypes DtoInternalLinkage(Dsymbol* sym)
llvm::GlobalValue::LinkageTypes DtoExternalLinkage(Dsymbol* sym)
{
if (DtoIsTemplateInstance(sym))
if (needsTemplateLinkage(sym))
return TEMPLATE_LINKAGE_TYPE;
else
return llvm::GlobalValue::ExternalLinkage;