[all-commits] [llvm/llvm-project] ed1b0d: [X86] combineConcatVectorOps - fold v4i64/v8x32 co...

Simon Pilgrim via All-commits all-commits at lists.llvm.org
Tue Oct 25 07:40:22 PDT 2022


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ed1b0da5570a9aaf02b11c0aa691ab9f99ea4c34
      https://github.com/llvm/llvm-project/commit/ed1b0da5570a9aaf02b11c0aa691ab9f99ea4c34
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-10-25 (Tue, 25 Oct 2022)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll
    M llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll

  Log Message:
  -----------
  [X86] combineConcatVectorOps - fold v4i64/v8x32 concat(broadcast(),broadcast()) -> permilps(concat())

Extend the existing v4f64 fold to handle v4i64/v8f32/v8i32 as well

Fixes #58585




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