Differential D7499 Diff 21271 lib/Analysis/DependenceAnalysis.cpp

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lib/Analysis/DependenceAnalysis.cpp

Show First 20 Lines • Show All 3,354 Lines • ▼ Show 20 Lines	DependenceAnalysis::depends(Instruction Src, Instruction Dst,
if (UsefulGEP) {		if (UsefulGEP) {
DEBUG(dbgs() << " using GEPs\n");		DEBUG(dbgs() << " using GEPs\n");
unsigned P = 0;		unsigned P = 0;
for (GEPOperator::const_op_iterator SrcIdx = SrcGEP->idx_begin(),		for (GEPOperator::const_op_iterator SrcIdx = SrcGEP->idx_begin(),
SrcEnd = SrcGEP->idx_end(),		SrcEnd = SrcGEP->idx_end(),
DstIdx = DstGEP->idx_begin();		DstIdx = DstGEP->idx_begin();
SrcIdx != SrcEnd;		SrcIdx != SrcEnd;
++SrcIdx, ++DstIdx, ++P) {		++SrcIdx, ++DstIdx, ++P) {
		// If not isSCEVable return dependency as not computable.
		if (!SE->isSCEVable((*SrcIdx)->getType()) \|\|
		!SE->isSCEVable((*DstIdx)->getType())) {
		return make_unique<Dependence>(Src, Dst);
		}
Pair[P].Src = SE->getSCEV(*SrcIdx);		Pair[P].Src = SE->getSCEV(*SrcIdx);
Pair[P].Dst = SE->getSCEV(*DstIdx);		Pair[P].Dst = SE->getSCEV(*DstIdx);
unifySubscriptType(&Pair[P]);		unifySubscriptType(&Pair[P]);
}		}
}		}
else {		else {
DEBUG(dbgs() << " ignoring GEPs\n");		DEBUG(dbgs() << " ignoring GEPs\n");
const SCEV *SrcSCEV = SE->getSCEV(SrcPtr);		const SCEV *SrcSCEV = SE->getSCEV(SrcPtr);
▲ Show 20 Lines • Show All 410 Lines • ▼ Show 20 Lines	const SCEV *DependenceAnalysis::getSplitIteration(const Dependence &Dep,
SmallVector<Subscript, 4> Pair(Pairs);		SmallVector<Subscript, 4> Pair(Pairs);
if (UsefulGEP) {		if (UsefulGEP) {
unsigned P = 0;		unsigned P = 0;
for (GEPOperator::const_op_iterator SrcIdx = SrcGEP->idx_begin(),		for (GEPOperator::const_op_iterator SrcIdx = SrcGEP->idx_begin(),
SrcEnd = SrcGEP->idx_end(),		SrcEnd = SrcGEP->idx_end(),
DstIdx = DstGEP->idx_begin();		DstIdx = DstGEP->idx_begin();
SrcIdx != SrcEnd;		SrcIdx != SrcEnd;
++SrcIdx, ++DstIdx, ++P) {		++SrcIdx, ++DstIdx, ++P) {
		if (!SE->isSCEVable((*SrcIdx)->getType()) \|\|
		!SE->isSCEVable((*DstIdx)->getType())) {
		return nullptr;
		}
Pair[P].Src = SE->getSCEV(*SrcIdx);		Pair[P].Src = SE->getSCEV(*SrcIdx);
Pair[P].Dst = SE->getSCEV(*DstIdx);		Pair[P].Dst = SE->getSCEV(*DstIdx);
}		}
}		}
else {		else {
const SCEV *SrcSCEV = SE->getSCEV(SrcPtr);		const SCEV *SrcSCEV = SE->getSCEV(SrcPtr);
const SCEV *DstSCEV = SE->getSCEV(DstPtr);		const SCEV *DstSCEV = SE->getSCEV(DstPtr);
Pair[0].Src = SrcSCEV;		Pair[0].Src = SrcSCEV;
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