Exemplo n.º 1
0
AstNodePtr LoopTransformInterface:: 
CreateDynamicFusionConfig( const AstNodePtr& groupNum, AstInterface::AstNodeList& args, int &id)
{ assert(fa != 0); 
  std::string name = "DynamicFusionConfig";
  ++configIndex;
  args.push_back( fa->CreateConstInt(configIndex).get_ptr() );
  args.push_back( fa->CreateConstInt( args.size() ).get_ptr() );
  std::string funname = "DynamicFusionConfig";
  AstNodePtr invoc = fa->CreateFunctionCall( funname,  args.begin(), args.end()); 
  return fa->CreateAssignment ( groupNum, invoc) ;
}
Exemplo n.º 2
0
AstNodePtr SymbolicFunction :: CodeGen( AstInterface &_fa) const
{
  AstInterface::AstNodeList l;
  for (const_iterator i = args.begin(); i != args.end(); ++i) {
     SymbolicVal cur = *i;
     AstNodePtr curast = cur.CodeGen(_fa); 
     l.push_back(curast);
  }
  if (t == AstInterface::OP_NONE) {
     return _fa.CreateFunctionCall( op, l);
  }
  else if (t == AstInterface::OP_ARRAY_ACCESS) {
        AstNodePtr arr = l.front();
        l.pop_front();
        return _fa.CreateArrayAccess(arr, l);
     }
  else if (t == AstInterface::OP_ASSIGN && l.size() == 2) {
        return _fa.CreateAssignment(l.front(), l.back());
     }
  else if (l.size() == 2) 
      return _fa.CreateBinaryOP( t, l.front(), l.back());
  else {
      assert(l.size() == 1);
      return _fa.CreateUnaryOP( t, l.front());
  }
}
Exemplo n.º 3
0
AstNodePtr LoopTransformInterface::CreateDynamicFusionEnd( int id)
{ assert(fa != 0);
  AstInterface::AstNodeList args;
  args.push_back( fa->CreateConstInt(id).get_ptr());
  std::string funname = "DynamicFusionEnd";
  return fa->CreateFunctionCall(funname, args.begin(), args.end());
}
Exemplo n.º 4
0
AstNodePtr SymbolicSelect:: CodeGen(  AstInterface &fa ) const
   {
      int size = 0;
      AstInterface::AstNodeList list;
      for (OpdIterator iter = GetOpdIterator(); !iter.ReachEnd(); iter.Advance()) {
           AstNodePtr p = Term2Val(iter.Current()).CodeGen(fa);
           list.push_back(p);
           ++size;
      }
      assert( size > 1);
      std::string func = (opt< 0)? "min" : "max";

      return fa.CreateFunctionCall(func, list);
   }
Exemplo n.º 5
0
static SymbolicVal GetDefaultBlockSize(const CompSlice* slice) 
    {
       AstInterface& fa = LoopTransformInterface::getAstInterface();
       LoopTransformOptions* opt = LoopTransformOptions::GetInstance();
       if (!opt->DoDynamicTuning()) {
            return opt->GetDefaultBlockSize();
       }
       else {
           int dt = opt->GetDynamicTuningIndex();
           AstInterface::AstNodeList l;
           l.push_back(fa.CreateConstInt(dt));

           CompSlice::ConstLoopIterator iter = slice->GetConstLoopIterator();
           LoopTreeNode *loop = iter.Current();
           SymbolicBound b = loop->GetLoopInfo()->GetBound();
           SymbolicVal size = b.ub - b.lb + 1;
 
           l.push_back(fa.CreateConstInt(1));
           l.push_back(size.CodeGen(fa));
           AstNodePtr init = fa.CreateFunctionCall("getTuningValue", l);
           return SymbolicVar(fa.NewVar(fa.GetType("int"), "",true,AST_NULL, init),AST_NULL); 
       }
    }
Exemplo n.º 6
0
AstNodePtr LoopTransformInterface::
CreateArrayAccess(const std::string& arrname, 
                            const std::vector<SymbolicVal>& arrindex) 
  {
     assert(fa != 0);
     AstInterface::AstNodeList indexlist;
     for (std::vector<SymbolicVal>::const_iterator indexp = arrindex.begin();
          indexp != arrindex.end(); ++indexp) {
         AstNodePtr cur = (*indexp).CodeGen(*fa);
         if (cur == AST_NULL) {
            std::cerr << "Empty AST from Symbolic Val: " << (*indexp).toString() << "\n";
            assert(0);
         }
         indexlist.push_back(cur);
     }
     AstNodePtr res = CreateArrayAccess(fa->CreateVarRef(arrname),indexlist);
     return res;
   }
Exemplo n.º 7
0
LoopTreeNode* DynamicSlicing:: 
Transform( LoopTreeDepComp& c, const CompSlice *_slice, LoopTreeNode *root)
{
  AstInterface& fa = LoopTransformInterface::getAstInterface();
  const DynamicCompSlice* slice = static_cast<const DynamicCompSlice*>(_slice);
  int num = slice->QuerySliceGroupNumber();
  LoopTreeNode *nr = root;
  if (num > 1) {
    std::string groupVar = fa.NewVar(fa.GetType("int")), groupVarN = groupVar + "N";
    fa.NewVar( fa.GetType("int"), groupVarN);
    LoopTreeCreate *tc = c.GetLoopTreeCreate();
    nr = tc->CreateLoopNode( SymbolicVar(groupVar, AST_NULL), 1, SymbolicVar(groupVarN, AST_NULL), 1);
    LoopTreeTransform().InsertLoop( nr, root, -1);

    AstInterface::AstNodeList args;
    char buf[11];
    for (int i = 1; i <= num; ++i) {
       sprintf(buf, "%1d", i);
       std::string name = groupVar + buf;
       fa.NewVar(fa.GetType("int"), name);
       args.push_back( fa.CreateVarRef( name) );
    }
    int id;
    AstNodePtr config = LoopTransformInterface::CreateDynamicFusionConfig( fa.CreateVarRef(groupVarN), args, id); 
    LoopTreeNode *configNode = tc->CreateStmtNode(config);
    configNode->Link( nr, LoopTreeNode::AsPrevSibling);
    AstNodePtr configEnd = LoopTransformInterface::CreateDynamicFusionEnd( id);
    LoopTreeNode *endNode = tc->CreateStmtNode(configEnd);
    endNode->Link( nr, LoopTreeNode::AsNextSibling);
     
    for (CompSlice::ConstStmtIterator p = slice->GetConstStmtIterator();
         !p.ReachEnd(); ++p) {
        LoopTreeNode* stmt = p.Current();
        sprintf(buf, "%1d", slice->QuerySliceStmtGroupIndex(stmt));
        LoopTreeEmbedStmt()( nr, stmt, SymbolicVar(groupVar + buf, AST_NULL) ); 
    }   
    DependenceHoisting::Transform(c, slice, root);
  }
  else
    nr = DependenceHoisting::Transform(c, slice, root);
  
  return nr;
}
Exemplo n.º 8
0
AstNodePtr LoopTransformInterface::CreateDynamicFusionEnd( int id)
{ assert(fa != 0);
  AstInterface::AstNodeList args;
  args.push_back( fa->CreateConstInt(id));
  return fa->CreateFunctionCall("DynamicFusionEnd", args);
}