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rangify; NFCI

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llvm-svn: 257500
This commit is contained in:
Sanjay Patel 2016-01-12 18:47:59 +00:00
parent 385f237c52
commit 9e7c71991c
1 changed files with 10 additions and 12 deletions
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22
lib/Transforms/Vectorize/SLPVectorizer.cpp
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@ -1782,30 +1782,29 @@ int BoUpSLP::getTreeCost() {
unsigned BundleWidth = VectorizableTree[0].Scalars.size();
for (unsigned i = 0, e = VectorizableTree.size(); i != e; ++i) {
int C = getEntryCost(&VectorizableTree[i]);
for (TreeEntry &TE : VectorizableTree) {
int C = getEntryCost(&TE);
DEBUG(dbgs() << "SLP: Adding cost " << C << " for bundle that starts with "
<< *VectorizableTree[i].Scalars[0] << " .\n");
<< TE.Scalars[0] << " .\n");
Cost += C;
}
SmallSet<Value *, 16> ExtractCostCalculated;
int ExtractCost = 0;
for (UserList::iterator I = ExternalUses.begin(), E = ExternalUses.end();
I != E; ++I) {
for (ExternalUser &EU : ExternalUses) {
// We only add extract cost once for the same scalar.
if (!ExtractCostCalculated.insert(I->Scalar).second)
if (!ExtractCostCalculated.insert(EU.Scalar).second)
continue;
// Uses by ephemeral values are free (because the ephemeral value will be
// removed prior to code generation, and so the extraction will be
// removed as well).
if (EphValues.count(I->User))
if (EphValues.count(EU.User))
continue;
VectorType *VecTy = VectorType::get(I->Scalar->getType(), BundleWidth);
VectorType *VecTy = VectorType::get(EU.Scalar->getType(), BundleWidth);
ExtractCost += TTI->getVectorInstrCost(Instruction::ExtractElement, VecTy,
I->Lane);
EU.Lane);
}
Cost += getSpillCost();
@ -4020,9 +4019,8 @@ bool SLPVectorizer::vectorizeChainsInBlock(BasicBlock *BB, BoUpSLP &R) {
// Collect the incoming values from the PHIs.
Incoming.clear();
for (BasicBlock::iterator instr = BB->begin(), ie = BB->end(); instr != ie;
++instr) {
PHINode *P = dyn_cast<PHINode>(instr);
for (Instruction &I : *BB) {
PHINode *P = dyn_cast<PHINode>(&I);
if (!P)
break;