[llvm] [RISCV][TTI] Reduce cost of a <N x i1> build_vector pattern (PR #109449)

[via llvm-commits]

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``````````bash
git-clang-format --diff f7c3309b1361443cded697255995fade24838ef8 bdd4441e59ad4416e55eefafd48ed20ace64d9ed --extensions cpp -- llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
index e6a27e0613..f0d45b078d 100644
--- a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
+++ b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
@@ -640,11 +640,11 @@ InstructionCost RISCVTTIImpl::getScalarizationOverhead(
       auto *WideVecTy = cast<VectorType>(Ty->getWithNewBitWidth(8));
       // Note: Implicit scalar anyextend is assumed to be free since the i1
       // must be stored in a GPR.
-      InstructionCost BVCost =
-        getScalarizationOverhead(WideVecTy, DemandedElts, Insert, Extract, CostKind);
+      InstructionCost BVCost = getScalarizationOverhead(
+          WideVecTy, DemandedElts, Insert, Extract, CostKind);
       InstructionCost TruncCost =
-        getCastInstrCost(Instruction::Trunc, Ty, WideVecTy, TTI::CastContextHint::None,
-                         CostKind, nullptr);
+          getCastInstrCost(Instruction::Trunc, Ty, WideVecTy,
+                           TTI::CastContextHint::None, CostKind, nullptr);
       return BVCost + TruncCost;
     }
 

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https://github.com/llvm/llvm-project/pull/109449