[all-commits] [llvm/llvm-project] 4d052a: [Intrinsics][PreISelIntrinsicLowering] llvm.memset...

[Alex Bradbury via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4d052a76185875bf8d8343d723a444795b87c8c5
      https://github.com/llvm/llvm-project/commit/4d052a76185875bf8d8343d723a444795b87c8c5
  Author: Alex Bradbury <asb at igalia.com>
  Date:   2024-07-10 (Wed, 10 Jul 2024)

  Changed paths:
    M llvm/docs/LangRef.rst
    M llvm/include/llvm/IR/IntrinsicInst.h
    M llvm/include/llvm/IR/Intrinsics.td
    M llvm/lib/CodeGen/PreISelIntrinsicLowering.cpp
    A llvm/test/Transforms/PreISelIntrinsicLowering/X86/memset-inline-non-constant-len.ll
    M llvm/test/Verifier/intrinsic-immarg.ll

  Log Message:
  -----------
  [Intrinsics][PreISelIntrinsicLowering] llvm.memset.inline length no longer needs to be constant (#95397)

As requested in
https://discourse.llvm.org/t/rfc-introducing-an-llvm-memset-pattern-inline-intrinsic/79496
this patch removes the requirement that the length of llvm.memset.inline
is a constant, and adjusts PreISelIntrinsicLowering so it supports
expanding such the intrinsic in the case it has a non-constant length.



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