bool TCompiler::pruneUnusedFunctions(TIntermNode *root)
{
TIntermAggregate *rootNode = root->getAsAggregate();
ASSERT(rootNode != nullptr);
UnusedPredicate isUnused(&mCallDag, &functionMetadata);
TIntermSequence *sequence = rootNode->getSequence();
if (!sequence->empty())
{
sequence->erase(std::remove_if(sequence->begin(), sequence->end(), isUnused), sequence->end());
}
return true;
}
void DeferGlobalInitializers(TIntermBlock *root,
bool initializeUninitializedGlobals,
TSymbolTable *symbolTable)
{
TIntermSequence *deferredInitializers = new TIntermSequence();
// Loop over all global statements and process the declarations. This is simpler than using a
// traverser.
for (TIntermNode *statement : *root->getSequence())
{
TIntermDeclaration *declaration = statement->getAsDeclarationNode();
if (declaration)
{
GetDeferredInitializers(declaration, initializeUninitializedGlobals,
deferredInitializers);
}
}
// Add the function with initialization and the call to that.
if (!deferredInitializers->empty())
{
InsertInitCallToMain(root, deferredInitializers, symbolTable);
}
}
