[all-commits] [llvm/llvm-project] 3fe89b: [clang][RISCV][NFC] Prevent data race in RVVType::...

[Kito Cheng via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3fe89be8015955f2e8403f8b7d7580db13cedb2c
      https://github.com/llvm/llvm-project/commit/3fe89be8015955f2e8403f8b7d7580db13cedb2c
  Author: Kito Cheng <kito.cheng at sifive.com>
  Date:   2022-11-23 (Wed, 23 Nov 2022)

  Changed paths:
    M clang/include/clang/Support/RISCVVIntrinsicUtils.h
    M clang/lib/Sema/SemaRISCVVectorLookup.cpp
    M clang/lib/Support/RISCVVIntrinsicUtils.cpp
    M clang/utils/TableGen/RISCVVEmitter.cpp

  Log Message:
  -----------
  [clang][RISCV][NFC] Prevent data race in RVVType::computeType

Introduce a RVVTypeCache to hold the cache instead of using a local
static variable to maintain a cache.

Also made construct of RVVType to private, make sure that could be only
created by a cache manager.

Reviewed By: sammccall

Differential Revision: https://reviews.llvm.org/D138429