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simplify some code.

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llvm-svn: 45693
This commit is contained in:
Chris Lattner 2008-01-07 06:47:00 +00:00
parent 57e851edfe
commit e78ce25794
1 changed files with 13 additions and 10 deletions
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23
lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
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@ -148,10 +148,11 @@ void ScheduleDAGRRList::CommuteNodesToReducePressure() {
if (!SU || !SU->Node) continue;
if (SU->isCommutable) {
unsigned Opc = SU->Node->getTargetOpcode();
unsigned NumRes = TII->get(Opc).getNumDefs();
const TargetInstrDescriptor &TID = TII->get(Opc);
unsigned NumRes = TID.getNumDefs();
unsigned NumOps = CountOperands(SU->Node);
for (unsigned j = 0; j != NumOps; ++j) {
if (TII->getOperandConstraint(Opc, j+NumRes, TOI::TIED_TO) == -1)
if (TID.getOperandConstraint(j+NumRes, TOI::TIED_TO) == -1)
continue;
SDNode *OpN = SU->Node->getOperand(j).Val;
@ -430,14 +431,14 @@ SUnit *ScheduleDAGRRList::CopyAndMoveSuccessors(SUnit *SU) {
SUnit *NewSU = NewSUnit(N);
SUnitMap[N].push_back(NewSU);
const TargetInstrDescriptor *TID = &TII->get(N->getTargetOpcode());
for (unsigned i = 0; i != TID->getNumOperands(); ++i) {
if (TID->getOperandConstraint(i, TOI::TIED_TO) != -1) {
const TargetInstrDescriptor &TID = TII->get(N->getTargetOpcode());
for (unsigned i = 0; i != TID.getNumOperands(); ++i) {
if (TID.getOperandConstraint(i, TOI::TIED_TO) != -1) {
NewSU->isTwoAddress = true;
break;
}
}
if (TID->isCommutable())
if (TID.isCommutable())
NewSU->isCommutable = true;
// FIXME: Calculate height / depth and propagate the changes?
NewSU->Depth = SU->Depth;
@ -1287,10 +1288,11 @@ template<class SF>
bool BURegReductionPriorityQueue<SF>::canClobber(SUnit *SU, SUnit *Op) {
if (SU->isTwoAddress) {
unsigned Opc = SU->Node->getTargetOpcode();
unsigned NumRes = TII->get(Opc).getNumDefs();
const TargetInstrDescriptor &TID = TII->get(Opc);
unsigned NumRes = TID.getNumDefs();
unsigned NumOps = ScheduleDAG::CountOperands(SU->Node);
for (unsigned i = 0; i != NumOps; ++i) {
if (TII->getOperandConstraint(Opc, i+NumRes, TOI::TIED_TO) != -1) {
if (TID.getOperandConstraint(i+NumRes, TOI::TIED_TO) != -1) {
SDNode *DU = SU->Node->getOperand(i).Val;
if ((*SUnitMap).find(DU) != (*SUnitMap).end() &&
Op == (*SUnitMap)[DU][SU->InstanceNo])
@ -1362,10 +1364,11 @@ void BURegReductionPriorityQueue<SF>::AddPseudoTwoAddrDeps() {
continue;
unsigned Opc = Node->getTargetOpcode();
unsigned NumRes = TII->get(Opc).getNumDefs();
const TargetInstrDescriptor &TID = TII->get(Opc);
unsigned NumRes = TID.getNumDefs();
unsigned NumOps = ScheduleDAG::CountOperands(Node);
for (unsigned j = 0; j != NumOps; ++j) {
if (TII->getOperandConstraint(Opc, j+NumRes, TOI::TIED_TO) != -1) {
if (TID.getOperandConstraint(j+NumRes, TOI::TIED_TO) != -1) {
SDNode *DU = SU->Node->getOperand(j).Val;
if ((*SUnitMap).find(DU) == (*SUnitMap).end())
continue;