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Simplify this code a little. In the fast scheduler, CreateNewSUnit

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and CreateClone don't add any extra value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59679 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-11-19 23:39:02 +00:00
parent e3066abfcf
commit cdb260de83
1 changed files with 5 additions and 17 deletions
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22
lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
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@ -97,18 +97,6 @@ private:
SmallVector<SUnit*, 2>&);
bool DelayForLiveRegsBottomUp(SUnit*, SmallVector<unsigned, 4>&);
void ListScheduleBottomUp();
/// CreateNewSUnit - Creates a new SUnit and returns a pointer to it.
SUnit *CreateNewSUnit(SDNode *N) {
SUnit *NewNode = NewSUnit(N);
return NewNode;
}
/// CreateClone - Creates a new SUnit from an existing one.
SUnit *CreateClone(SUnit *N) {
SUnit *NewNode = Clone(N);
return NewNode;
}
};
} // end anonymous namespace
@ -256,7 +244,7 @@ SUnit *ScheduleDAGFast::CopyAndMoveSuccessors(SUnit *SU) {
DAG->ReplaceAllUsesOfValueWith(SDValue(SU->getNode(), OldNumVals-1),
SDValue(LoadNode, 1));
SUnit *NewSU = CreateNewSUnit(N);
SUnit *NewSU = NewSUnit(N);
assert(N->getNodeId() == -1 && "Node already inserted!");
N->setNodeId(NewSU->NodeNum);
@ -282,7 +270,7 @@ SUnit *ScheduleDAGFast::CopyAndMoveSuccessors(SUnit *SU) {
LoadSU = &SUnits[LoadNode->getNodeId()];
isNewLoad = false;
} else {
LoadSU = CreateNewSUnit(LoadNode);
LoadSU = NewSUnit(LoadNode);
LoadNode->setNodeId(LoadSU->NodeNum);
LoadSU->Depth = SU->Depth;
@ -360,7 +348,7 @@ SUnit *ScheduleDAGFast::CopyAndMoveSuccessors(SUnit *SU) {
}
DOUT << "Duplicating SU # " << SU->NodeNum << "\n";
NewSU = CreateClone(SU);
NewSU = Clone(SU);
// New SUnit has the exact same predecessors.
for (SUnit::pred_iterator I = SU->Preds.begin(), E = SU->Preds.end();
@ -399,11 +387,11 @@ void ScheduleDAGFast::InsertCCCopiesAndMoveSuccs(SUnit *SU, unsigned Reg,
const TargetRegisterClass *DestRC,
const TargetRegisterClass *SrcRC,
SmallVector<SUnit*, 2> &Copies) {
SUnit *CopyFromSU = CreateNewSUnit(NULL);
SUnit *CopyFromSU = NewSUnit(static_cast<SDNode *>(NULL));
CopyFromSU->CopySrcRC = SrcRC;
CopyFromSU->CopyDstRC = DestRC;
SUnit *CopyToSU = CreateNewSUnit(NULL);
SUnit *CopyToSU = NewSUnit(static_cast<SDNode *>(NULL));
CopyToSU->CopySrcRC = DestRC;
CopyToSU->CopyDstRC = SrcRC;