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Trying to fix undefined symbol error caused by iterator variable #3

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Trying to fix undefined symbol error caused by iterator variable #3

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7 changes: 7 additions & 0 deletions clang/include/clang/Basic/Attr.td
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Original file line number Diff line number Diff line change
Expand Up @@ -4461,6 +4461,13 @@ def OMPCaptureKind : Attr {
}];
}

def OMPIterator : Attr {
// This attribute has no spellings as it is only ever created implicitly.
let Spellings = [];
let SemaHandler = 0;
let Documentation = [InternalOnly];
}

def OMPReferencedVar : Attr {
// This attribute has no spellings as it is only ever created implicitly.
let Spellings = [];
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5 changes: 5 additions & 0 deletions clang/lib/CodeGen/CGExpr.cpp
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Expand Up @@ -2969,6 +2969,11 @@ static LValue EmitGlobalVarDeclLValue(CodeGenFunction &CGF,

llvm::Value *V = CGF.CGM.GetAddrOfGlobalVar(VD);

if (VD->hasAttr<OMPIteratorAttr>()) {
llvm::GlobalVariable *Var = llvm::dyn_cast<llvm::GlobalVariable>(V);
Var->setInitializer(CGF.CGM.EmitNullConstant(E->getType()));
}

if (VD->getTLSKind() != VarDecl::TLS_None)
V = CGF.Builder.CreateThreadLocalAddress(V);

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2 changes: 2 additions & 0 deletions clang/lib/Sema/SemaOpenMP.cpp
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Expand Up @@ -24476,6 +24476,8 @@ ExprResult SemaOpenMP::ActOnOMPIteratorExpr(Scope *S,
VarDecl::Create(Context, SemaRef.CurContext, StartLoc, D.DeclIdentLoc,
D.DeclIdent, DeclTy, TInfo, SC_None);
VD->setImplicit();
VD->addAttr(OMPIteratorAttr::CreateImplicit(
Context, SourceRange(StartLoc)));
if (S) {
// Check for conflicting previous declaration.
DeclarationNameInfo NameInfo(VD->getDeclName(), D.DeclIdentLoc);
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