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[slp] adjust debug output to include final computed cost

This commit is contained in:
Philip Reames 2022-08-15 13:51:30 -07:00 committed by Philip Reames
parent ace3ce8ad7
commit e792a353b5
1 changed files with 3 additions and 2 deletions
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5
llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
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@ -10079,7 +10079,7 @@ bool SLPVectorizerPass::vectorizeStoreChain(ArrayRef<Value *> Chain, BoUpSLP &R,
InstructionCost Cost = R.getTreeCost();
LLVM_DEBUG(dbgs() << "SLP: Found cost = " << Cost << " for VF =" << VF << "\n");
LLVM_DEBUG(dbgs() << "SLP: Found cost = " << Cost << " for VF=" << VF << "\n");
if (Cost < -SLPCostThreshold) {
LLVM_DEBUG(dbgs() << "SLP: Decided to vectorize cost = " << Cost << "\n");
@ -10380,6 +10380,7 @@ bool SLPVectorizerPass::tryToVectorizeList(ArrayRef<Value *> VL, BoUpSLP &R,
CandidateFound = true;
MinCost = std::min(MinCost, Cost);
LLVM_DEBUG(dbgs() << "SLP: Found cost = " << Cost << " for VF=" << VF << "\n");
if (Cost < -SLPCostThreshold) {
LLVM_DEBUG(dbgs() << "SLP: Vectorizing list at cost:" << Cost << ".\n");
R.getORE()->emit(OptimizationRemark(SV_NAME, "VectorizedList",
@ -11219,8 +11220,8 @@ public:
InstructionCost ReductionCost =
getReductionCost(TTI, VL, ReduxWidth, RdxFMF);
InstructionCost Cost = TreeCost + ReductionCost;
LLVM_DEBUG(dbgs() << "SLP: Found cost = " << Cost << " for reduction\n");
if (!Cost.isValid()) {
LLVM_DEBUG(dbgs() << "Encountered invalid baseline cost.\n");
return nullptr;
}
if (Cost >= -SLPCostThreshold) {