[llvm] [PowerPC] Add PPC cost model support for partial reductions (PR #214760)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp llvm/lib/Target/PowerPC/PPCTargetTransformInfo.h --diff_from_common_commit
``````````

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``````````diff
diff --git a/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp b/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp
index ea4539e08..9bf05e679 100644
--- a/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp
@@ -1162,11 +1162,10 @@ PPCTTIImpl::getMemIntrinsicInstrCost(const MemIntrinsicCostAttributes &MICA,
 }
 
 InstructionCost PPCTTIImpl::getPartialReductionCost(
-      unsigned Opcode, Type *InputTypeA, Type *InputTypeB, Type *AccumType,
-      ElementCount VF, TTI::PartialReductionExtendKind OpAExtend,
-      TTI::PartialReductionExtendKind OpBExtend, std::optional<unsigned> BinOp,
-      TTI::TargetCostKind CostKind,
-      std::optional<FastMathFlags> FMF) const {
+    unsigned Opcode, Type *InputTypeA, Type *InputTypeB, Type *AccumType,
+    ElementCount VF, TTI::PartialReductionExtendKind OpAExtend,
+    TTI::PartialReductionExtendKind OpBExtend, std::optional<unsigned> BinOp,
+    TTI::TargetCostKind CostKind, std::optional<FastMathFlags> FMF) const {
   InstructionCost Invalid = InstructionCost::getInvalid();
 
   if (Opcode != Instruction::Add)
@@ -1174,14 +1173,14 @@ InstructionCost PPCTTIImpl::getPartialReductionCost(
   if (BinOp && BinOp.value() != Instruction::Mul)
     return Invalid;
 
-  EVT AccVT = TLI->getValueType(DL, AccumType,  true);
+  EVT AccVT = TLI->getValueType(DL, AccumType, true);
   if (AccVT != MVT::i32)
     return Invalid;
   if (InputTypeA != InputTypeB)
     return Invalid;
 
   Type *ATy = VectorType::get(InputTypeA, VF);
-  EVT AVT = TLI->getValueType(DL, ATy,  true);
+  EVT AVT = TLI->getValueType(DL, ATy, true);
   if (AVT != MVT::v16i8 && AVT != MVT::v8i16)
     return Invalid;
 
@@ -1193,7 +1192,7 @@ InstructionCost PPCTTIImpl::getPartialReductionCost(
     if (AVT != MVT::v16i8 || OpBExtend != TTI::PR_ZeroExtend)
       return Invalid;
   } else if (AVT == MVT::v16i8 && OpAExtend == TTI::PR_SignExtend) {
-      return Invalid;
+    return Invalid;
   }
 
   return vectorCostAdjustmentFactor(Instruction::Add, ATy, nullptr);

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https://github.com/llvm/llvm-project/pull/214760