void TR_LocalLiveRangeReduction::populatePotentialDeps(TR_TreeRefInfo *treeRefInfo,TR::Node *node)
{
TR::ILOpCode &opCode = node->getOpCode();
if (node->getOpCode().hasSymbolReference())
{
TR::SymbolReference *symRef = node->getSymbolReference();
int32_t symRefNum = symRef->getReferenceNumber();
//set defSym - all symbols that might be written
if (opCode.isCall() || opCode.isResolveCheck()|| opCode.isStore() || node->mightHaveVolatileSymbolReference())
{
bool isCallDirect = false;
if (node->getOpCode().isCallDirect())
isCallDirect = true;
if (!symRef->getUseDefAliases(isCallDirect).isZero(comp()))
{
TR::SparseBitVector useDefAliases(comp()->allocator());
symRef->getUseDefAliases(isCallDirect).getAliases(useDefAliases);
TR::SparseBitVector::Cursor aliasCursor(useDefAliases);
for (aliasCursor.SetToFirstOne(); aliasCursor.Valid(); aliasCursor.SetToNextOne())
{
int32_t nextAlias = aliasCursor;
treeRefInfo->getDefSym()->set(nextAlias);
}
}
if (opCode.isStore())
treeRefInfo->getDefSym()->set(symRefNum);
}
//set useSym - all symbols that are used
if (opCode.canRaiseException())
{
TR::SparseBitVector useAliases(comp()->allocator());
symRef->getUseonlyAliases().getAliases(useAliases);
{
TR::SparseBitVector::Cursor aliasesCursor(useAliases);
for (aliasesCursor.SetToFirstOne(); aliasesCursor.Valid(); aliasesCursor.SetToNextOne())
{
int32_t nextAlias = aliasesCursor;
treeRefInfo->getUseSym()->set(nextAlias);
}
}
}
if (opCode.isLoadVar() || (opCode.getOpCodeValue() == TR::loadaddr))
{
treeRefInfo->getUseSym()->set(symRefNum);
}
}
for (int32_t i = 0; i < node->getNumChildren(); i++)
{
TR::Node *child = node->getChild(i);
//don't recurse over references (nodes which are not the first reference)
//
if (child->getReferenceCount()==1 || treeRefInfo->getFirstRefNodesList()->find(child))
populatePotentialDeps(treeRefInfo,child );
}
return;
}
const Cursor& Cursor::fromType(Cursor::Type type)
{
switch (type) {
case Cursor::Pointer:
return pointerCursor();
case Cursor::Cross:
return crossCursor();
case Cursor::Hand:
return handCursor();
case Cursor::IBeam:
return iBeamCursor();
case Cursor::Wait:
return waitCursor();
case Cursor::Help:
return helpCursor();
case Cursor::EastResize:
return eastResizeCursor();
case Cursor::NorthResize:
return northResizeCursor();
case Cursor::NorthEastResize:
return northEastResizeCursor();
case Cursor::NorthWestResize:
return northWestResizeCursor();
case Cursor::SouthResize:
return southResizeCursor();
case Cursor::SouthEastResize:
return southEastResizeCursor();
case Cursor::SouthWestResize:
return southWestResizeCursor();
case Cursor::WestResize:
return westResizeCursor();
case Cursor::NorthSouthResize:
return northSouthResizeCursor();
case Cursor::EastWestResize:
return eastWestResizeCursor();
case Cursor::NorthEastSouthWestResize:
return northEastSouthWestResizeCursor();
case Cursor::NorthWestSouthEastResize:
return northWestSouthEastResizeCursor();
case Cursor::ColumnResize:
return columnResizeCursor();
case Cursor::RowResize:
return rowResizeCursor();
case Cursor::MiddlePanning:
return middlePanningCursor();
case Cursor::EastPanning:
return eastPanningCursor();
case Cursor::NorthPanning:
return northPanningCursor();
case Cursor::NorthEastPanning:
return northEastPanningCursor();
case Cursor::NorthWestPanning:
return northWestPanningCursor();
case Cursor::SouthPanning:
return southPanningCursor();
case Cursor::SouthEastPanning:
return southEastPanningCursor();
case Cursor::SouthWestPanning:
return southWestPanningCursor();
case Cursor::WestPanning:
return westPanningCursor();
case Cursor::Move:
return moveCursor();
case Cursor::VerticalText:
return verticalTextCursor();
case Cursor::Cell:
return cellCursor();
case Cursor::ContextMenu:
return contextMenuCursor();
case Cursor::Alias:
return aliasCursor();
case Cursor::Progress:
return progressCursor();
case Cursor::NoDrop:
return noDropCursor();
case Cursor::Copy:
return copyCursor();
case Cursor::None:
return noneCursor();
case Cursor::NotAllowed:
return notAllowedCursor();
case Cursor::ZoomIn:
return zoomInCursor();
case Cursor::ZoomOut:
return zoomOutCursor();
case Cursor::Grab:
return grabCursor();
case Cursor::Grabbing:
return grabbingCursor();
case Cursor::Custom:
ASSERT_NOT_REACHED();
}
return pointerCursor();
}