[llvm] [X86][CodeGen] Support partial-reduce dot products (PR #205373)

[Zihao Wang via llvm-commits]

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@@ -5629,6 +5629,127 @@ X86TTIImpl::getAddressComputationCost(Type *PtrTy, ScalarEvolution *SE,
   return BaseT::getAddressComputationCost(PtrTy, SE, Ptr, CostKind);
 }
 
+InstructionCost X86TTIImpl::getPartialReductionCost(
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hhy3 wrote:

fixed

https://github.com/llvm/llvm-project/pull/205373