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Disable metadata for typeid(void).

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This commit is contained in:
Tomas Lindquist Olsen
2009-07-31 01:44:47 +02:00
parent 652a4b39c0
commit b7b671ce48
1 changed files with 18 additions and 15 deletions
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33
gen/typinf.cpp
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@@ -302,21 +302,24 @@ void DtoResolveTypeInfo(TypeInfoDeclaration* tid)
tid->ir.irGlobal = irg;
// Add some metadata for use by optimization passes.
std::string metaname = std::string(TD_PREFIX) + mangle;
llvm::NamedMDNode* meta = gIR->module->getNamedMetadata(metaname);
// Don't generate metadata for non-concrete types
// (such as tuple types, slice types, typeof(expr), etc.)
if (!meta && tid->tinfo->toBasetype()->ty < Terror) {
// Construct the fields
MDNodeField* mdVals[TD_NumFields];
if (TD_Confirm >= 0)
mdVals[TD_Confirm] = llvm::cast<MDNodeField>(irg->value);
mdVals[TD_Type] = llvm::UndefValue::get(DtoType(tid->tinfo));
// Construct the metadata
llvm::MetadataBase* metadata = gIR->context().getMDNode(mdVals, TD_NumFields);
// Insert it into the module
llvm::NamedMDNode::Create(metaname, &metadata, 1, gIR->module);
// don't do this for void or llvm will crash
if (tid->tinfo->ty != Tvoid) {
// Add some metadata for use by optimization passes.
std::string metaname = std::string(TD_PREFIX) + mangle;
llvm::NamedMDNode* meta = gIR->module->getNamedMetadata(metaname);
// Don't generate metadata for non-concrete types
// (such as tuple types, slice types, typeof(expr), etc.)
if (!meta && tid->tinfo->toBasetype()->ty < Terror) {
// Construct the fields
MDNodeField* mdVals[TD_NumFields];
if (TD_Confirm >= 0)
mdVals[TD_Confirm] = llvm::cast<MDNodeField>(irg->value);
mdVals[TD_Type] = llvm::UndefValue::get(DtoType(tid->tinfo));
// Construct the metadata
llvm::MetadataBase* metadata = gIR->context().getMDNode(mdVals, TD_NumFields);
// Insert it into the module
llvm::NamedMDNode::Create(metaname, &metadata, 1, gIR->module);
}
}
DtoDeclareTypeInfo(tid);