[llvm] [SLP][REVEC] Fix cost model for getGatherCost with FixedVectorType ScalarTy. (PR #109369)

[Han-Kuan Chen via llvm-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -mtriple=riscv64 -mcpu=sifive-x280 -passes=slp-vectorizer -S -slp-revec -slp-max-reg-size=1024 -slp-threshold=-10 %s | FileCheck %s
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HanKuanChen wrote:

done

https://github.com/llvm/llvm-project/pull/109369