[llvm] [SLP] More accurately cost RISCV scalar splats (PR #213104)

[Alexey Bataev via llvm-commits]

================
@@ -681,4 +676,10 @@ Intrinsic::ID getMaskedDivRemIntrinsic(unsigned Opcode) {
   }
 }
 
+TargetTransformInfo::VectorInstrContext
+combineVectorInstrContexts(TargetTransformInfo::VectorInstrContext Ctx1,
+                           TargetTransformInfo::VectorInstrContext Ctx2) {
+  return Ctx1 == Ctx2 ? Ctx1 : TargetTransformInfo::VectorInstrContext::None;
+}
+
----------------
alexey-bataev wrote:

I think it also should be a part of TTI

https://github.com/llvm/llvm-project/pull/213104