[all-commits] [llvm/llvm-project] 265fb3: [CIR] Add bit reverse and byte reverse operations ...

[Sirui Mu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 265fb3605d1d070a004fd4d9db54ad2ae6f722c7
      https://github.com/llvm/llvm-project/commit/265fb3605d1d070a004fd4d9db54ad2ae6f722c7
  Author: Sirui Mu <msrlancern at gmail.com>
  Date:   2025-07-12 (Sat, 12 Jul 2025)

  Changed paths:
    M clang/include/clang/CIR/Dialect/IR/CIROps.td
    M clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp
    M clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
    M clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.h
    M clang/test/CIR/CodeGen/builtin_bit.cpp

  Log Message:
  -----------
  [CIR] Add bit reverse and byte reverse operations (#147200)

This patch adds support for the following two builtin functions:

- `__builtin_bswap`, represented by the `cir.byte_swap` operation.
- `__builtin_bitreverse`, represented by the `cir.bit.reverse`
operation.



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