[llvm] [TTI][RISCV] Model cost of loading constants arms of selects and compares (PR #109824)

[Alexey Bataev via llvm-commits]

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@@ -1618,23 +1618,38 @@ InstructionCost RISCVTTIImpl::getMemoryOpCost(unsigned Opcode, Type *Src,
 
 }
 
-InstructionCost RISCVTTIImpl::getCmpSelInstrCost(unsigned Opcode, Type *ValTy,
-                                                 Type *CondTy,
-                                                 CmpInst::Predicate VecPred,
-                                                 TTI::TargetCostKind CostKind,
-                                                 const Instruction *I) {
+InstructionCost RISCVTTIImpl::getCmpSelInstrCost(
+    unsigned Opcode, Type *ValTy, Type *CondTy, CmpInst::Predicate VecPred,
+    TTI::TargetCostKind CostKind, TTI::OperandValueInfo Op1Info,
+    TTI::OperandValueInfo Op2Info, const Instruction *I) {
   if (CostKind != TTI::TCK_RecipThroughput)
     return BaseT::getCmpSelInstrCost(Opcode, ValTy, CondTy, VecPred, CostKind,
-                                     I);
+                                     Op1Info, Op2Info, I);
 
   if (isa<FixedVectorType>(ValTy) && !ST->useRVVForFixedLengthVectors())
     return BaseT::getCmpSelInstrCost(Opcode, ValTy, CondTy, VecPred, CostKind,
-                                     I);
+                                     Op1Info, Op2Info, I);
 
   // Skip if scalar size of ValTy is bigger than ELEN.
   if (ValTy->isVectorTy() && ValTy->getScalarSizeInBits() > ST->getELen())
     return BaseT::getCmpSelInstrCost(Opcode, ValTy, CondTy, VecPred, CostKind,
-                                     I);
+                                     Op1Info, Op2Info, I);
+
+  auto getConstantMatCost =
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alexey-bataev wrote:

clang-tidy suggests using capital letters for lambdas, at least. Technically, they are variables

https://github.com/llvm/llvm-project/pull/109824