Exemplo n.º 1
0
void SimpleInliner::doAnalysis(void)
{
  getValidFunctionDecls();

  for (SmallVector<CallExpr *, 10>::iterator CI = AllCallExprs.begin(),
       CE = AllCallExprs.end(); CI != CE; ++CI) {

    FunctionDecl *CalleeDecl = (*CI)->getDirectCallee(); 
    TransAssert(CalleeDecl && "Bad CalleeDecl!");
    FunctionDecl *CanonicalDecl = CalleeDecl->getCanonicalDecl();
    if (!ValidFunctionDecls.count(CanonicalDecl))
      continue;

    if (!hasValidArgExprs(*CI))
      continue;

    ValidInstanceNum++;
    if (TransformationCounter == ValidInstanceNum) {
      // It's possible the direct callee is not a definition
      if (!CalleeDecl->isThisDeclarationADefinition()) {
        CalleeDecl = CalleeDecl->getCanonicalDecl();
        for(FunctionDecl::redecl_iterator RI = CalleeDecl->redecls_begin(),
            RE = CalleeDecl->redecls_end(); RI != RE; ++RI) {
          if ((*RI)->isThisDeclarationADefinition()) {
            CalleeDecl = (*RI);
            break;
          }
        }
      }
      TransAssert(CalleeDecl->isThisDeclarationADefinition() && 
                  "Bad CalleeDecl!");
      CurrentFD = CalleeDecl;
      TheCaller = CalleeToCallerMap[(*CI)];
      TransAssert(TheCaller && "NULL TheCaller!");
      TheCallExpr = (*CI);
    }
  }
}
Exemplo n.º 2
0
bool SimpleInlinerCollectionVisitor::VisitCallExpr(CallExpr *CE)
{
  FunctionDecl *FD = CE->getDirectCallee();
  if (!FD)
    return true;

  ConsumerInstance->AllCallExprs.push_back(CE);
  ConsumerInstance->CalleeToCallerMap[CE] = ConsumerInstance->CurrentFD;

  FunctionDecl *CanonicalFD = FD->getCanonicalDecl();
  unsigned int NumCalls = ConsumerInstance->FunctionDeclNumCalls[CanonicalFD];
  NumCalls++;
  ConsumerInstance->FunctionDeclNumCalls[CanonicalFD] = NumCalls;

  NumStmts++;
  return true;
}
Exemplo n.º 3
0
bool MoveFunctionBody::HandleTopLevelDecl(DeclGroupRef D) 
{
  for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) {
    FunctionDecl *FD = dyn_cast<FunctionDecl>(*I);
    if (!FD) {
      PrevFunctionDecl = NULL;
      continue;
    }

    FunctionDecl *CanonicalFD = FD->getCanonicalDecl();
    if (FD->isThisDeclarationADefinition()) {
      FunctionDecl *FDDecl = AllValidFunctionDecls[CanonicalFD];
      if (!FDDecl) {
        PrevFunctionDecl = NULL;
        continue;
      }

      // Declaration and Definition are next to each other
      if (PrevFunctionDecl) {
        FunctionDecl *CanonicalPrevFD = PrevFunctionDecl->getCanonicalDecl();
        if (CanonicalFD == CanonicalPrevFD) {
          PrevFunctionDecl = NULL;
          continue;
        }
      }

      FuncDeclToFuncDef[FDDecl] = FD;
    }

    PrevFunctionDecl = FD;
    // We only need the first FunctionDecl
    if (AllValidFunctionDecls[CanonicalFD])
      continue;

    AllValidFunctionDecls[CanonicalFD] = FD;
  }
  return true;
}
Exemplo n.º 4
0
void SimpleInliner::doAnalysis(void)
{
#ifdef DEBUGCL
  std::cerr << "SimpleInliner::doAnalysis" << std::endl;
  std::cerr << "Size of AllCallExprs = " << AllCallExprs.size() << std::endl;
#endif
  getValidFunctionDecls();

  for (SmallVector<CallExpr *, 10>::iterator CI = AllCallExprs.begin(),
       CE = AllCallExprs.end(); CI != CE; ++CI) {

    FunctionDecl *CalleeDecl = (*CI)->getDirectCallee(); 
    TransAssert(CalleeDecl && "Bad CalleeDecl!");
    FunctionDecl *CanonicalDecl = CalleeDecl->getCanonicalDecl();
#ifdef DEBUGCL
    std::cerr << "CanonicalDecl = " << CanonicalDecl->getName().str()
      << std::endl;
#endif
    if (!ValidFunctionDecls.count(CanonicalDecl)) {
#ifdef DEBUGCL
      std::cerr << "!ValidFunctionDecls.count" << std::endl;
#endif
      continue;
    }

    if (!hasValidArgExprs(*CI)) {
#ifdef DEBUGCL
      std::cerr << "!hasValidArgExprs" << std::endl;
#endif
      continue;
    }

    ValidInstanceNum++;
#ifdef DEBUGCL
    std::cerr << "TransformationCounter = " << TransformationCounter
      << " and ValidInstanceNum = " << ValidInstanceNum << std::endl;
#endif
    if (TransformationCounter == ValidInstanceNum) {
#ifdef DEBUGCL
      std::cerr << "TransformationCounter == ValidInstanceNum" << std::endl;
#endif
      // It's possible the direct callee is not a definition
      if (!CalleeDecl->isThisDeclarationADefinition()) {
        CalleeDecl = CalleeDecl->getFirstDeclaration();
        for(FunctionDecl::redecl_iterator RI = CalleeDecl->redecls_begin(),
            RE = CalleeDecl->redecls_end(); RI != RE; ++RI) {
          if ((*RI)->isThisDeclarationADefinition()) {
            CalleeDecl = (*RI);
            break;
          }
        }
      }
      TransAssert(CalleeDecl->isThisDeclarationADefinition() && 
                  "Bad CalleeDecl!");
      CurrentFD = CalleeDecl;
      TheCaller = CalleeToCallerMap[(*CI)];
      TransAssert(TheCaller && "NULL TheCaller!");
#ifdef DEBUGCL
      std::cerr << "Assigning TheCallExpr" << std::endl;
#endif
      TheCallExpr = (*CI);
    }
  }
}