[all-commits] [llvm/llvm-project] 6bdb83: [CIR] Upstream vec shuffle builtins in CIR codegen...

[Thibault Monnier via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6bdb838a05bb7c6f293e53800f46ba182a22f571
      https://github.com/llvm/llvm-project/commit/6bdb838a05bb7c6f293e53800f46ba182a22f571
  Author: Thibault Monnier <97551402+Thibault-Monnier at users.noreply.github.com>
  Date:   2025-12-02 (Tue, 02 Dec 2025)

  Changed paths:
    M clang/lib/CIR/CodeGen/CIRGenBuiltinX86.cpp
    M clang/lib/CIR/CodeGen/CIRGenFunction.h
    M clang/test/CIR/CodeGenBuiltins/X86/avx-builtins.c
    A clang/test/CIR/CodeGenBuiltins/X86/avx2-builtins.c
    M clang/test/CIR/CodeGenBuiltins/X86/avx512bw-builtins.c
    M clang/test/CIR/CodeGenBuiltins/X86/avx512f-builtins.c
    M clang/test/CIR/CodeGenBuiltins/X86/sse-builtins.c
    M clang/test/CIR/CodeGenBuiltins/X86/sse2-builtins.c

  Log Message:
  -----------
  [CIR] Upstream vec shuffle builtins in CIR codegen (#169178)

This PR is part of #167752. It upstreams the codegen and tests for the
shuffle builtins implemented in the incubator, including:
- `vinsert` + `insert`
- `pblend` + `blend`
- `vpermilp`
- `pshuf` + `shufp`
- `palignr`

It does NOT upstream the `perm`, `vperm2`, `vpshuf`, `shuf_i` / `shuf_f`
and `align` builtins, which are not yet implemented in the incubator.

This _is_ a large commit, but most of it is tests.

The `pshufd` / `vpermilp` builtins seem to have no test coverage in the
incubator, what should I do?



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