C++ (Cpp) Constant::dropAllReferences示例

示例#1

文件： InstrProfiling.cpp 项目： BNieuwenhuizen/llvm

void InstrProfiling::lowerCoverageData(GlobalVariable *CoverageNamesVar) {
  ConstantArray *Names =
      cast<ConstantArray>(CoverageNamesVar->getInitializer());
  for (unsigned I = 0, E = Names->getNumOperands(); I < E; ++I) {
    Constant *NC = Names->getOperand(I);
    Value *V = NC->stripPointerCasts();
    assert(isa<GlobalVariable>(V) && "Missing reference to function name");
    GlobalVariable *Name = cast<GlobalVariable>(V);

    Name->setLinkage(GlobalValue::PrivateLinkage);
    ReferencedNames.push_back(Name);
    NC->dropAllReferences();
  }
  CoverageNamesVar->eraseFromParent();
}