void
MachineCopyPropagation::SourceNoLongerAvailable(unsigned Reg,
SourceMap &SrcMap,
DenseMap<unsigned, MachineInstr*> &AvailCopyMap) {
for (MCRegAliasIterator AI(Reg, TRI, true); AI.isValid(); ++AI) {
SourceMap::iterator SI = SrcMap.find(*AI);
if (SI != SrcMap.end()) {
const DestList& Defs = SI->second;
for (DestList::const_iterator I = Defs.begin(), E = Defs.end();
I != E; ++I) {
unsigned MappedDef = *I;
// Source of copy is no longer available for propagation.
AvailCopyMap.erase(MappedDef);
for (MCSubRegIterator SR(MappedDef, TRI); SR.isValid(); ++SR)
AvailCopyMap.erase(*SR);
}
}
}
}
void Input::parse (ticpp::Element *element, SourceMap &sources)
{
/* get input properties */
std::string uri = element->GetAttribute ("source");
std::string semantic = element->GetAttribute ("semantic");
element->GetAttributeOrDefault ("offset", &mOffset, 0);
mSemantic = parseSemantic (semantic);
/* couldn't find input source */
if (sources.find (uri) == sources.end())
{
std::string error = "Parsing failed: No source named '" + uri + "' found";
throw std::runtime_error (error.c_str());
}
/* attach input to source */
mSource = sources[uri];
}