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DeclUnloader: remove StaticVarCollector

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StaticVarCollector recursively visited descendants of a `FunctionDecl`
node to collect static local variables.  However, these always appear
in the enclosing DeclContext.
This commit is contained in:
Javier Lopez-Gomez 2023-08-29 16:43:05 +02:00 committed by jenkins
parent a292a61b28
commit 33a63913b3
1 changed files with 8 additions and 23 deletions
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29
lib/Interpreter/DeclUnloader.cpp
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@ -327,24 +327,6 @@ namespace {
}
}
typedef llvm::SmallVector<VarDecl*, 2> Vars;
class StaticVarCollector : public RecursiveASTVisitor<StaticVarCollector> {
Vars& m_V;
public:
StaticVarCollector(FunctionDecl* FD, Vars& V) : m_V(V) {
TraverseStmt(FD->getBody());
}
bool VisitDeclStmt(DeclStmt* DS) {
for (DeclStmt::decl_iterator I = DS->decl_begin(), E = DS->decl_end();
I != E; ++I)
if (VarDecl* VD = dyn_cast<VarDecl>(*I))
if (VD->isStaticLocal())
m_V.push_back(VD);
return true;
}
};
// Template instantiation of templated function first creates a canonical
// declaration and after the actual template specialization. For example:
// template<typename T> T TemplatedF(T t);
@ -677,15 +659,18 @@ namespace cling {
// which we will remove soon. (Eg. mangleDeclName iterates the redecls)
GlobalDecl GD(FD);
MaybeRemoveDeclFromModule(GD);
// Handle static locals. void func() { static int var; } is represented in
// the llvm::Module is a global named @func.var
Vars V;
StaticVarCollector c(FD, V);
for (Vars::iterator I = V.begin(), E = V.end(); I != E; ++I) {
GlobalDecl GD(*I);
for (auto D : FunctionDecl::castToDeclContext(FD)->noload_decls()) {
if (auto VD = dyn_cast<VarDecl>(D))
if (VD->isStaticLocal()) {
GlobalDecl GD(VD);
MaybeRemoveDeclFromModule(GD);
}
}
}
// VisitRedeclarable() will mess around with this!
bool wasCanonical = FD->isCanonicalDecl();
// FunctionDecl : DeclaratiorDecl, DeclContext, Redeclarable