[all-commits] [llvm/llvm-project] 08decd: [WebAssembly] load_zero to initialise build_vector...

[Sam Parker via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 08decd20a968ddec459376ef64a4987ef74e15dc
      https://github.com/llvm/llvm-project/commit/08decd20a968ddec459376ef64a4987ef74e15dc
  Author: Sam Parker <sam.parker at arm.com>
  Date:   2024-08-02 (Fri, 02 Aug 2024)

  Changed paths:
    M llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h
    M llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
    M llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
    M llvm/test/CodeGen/WebAssembly/simd-build-vector.ll

  Log Message:
  -----------
  [WebAssembly] load_zero to initialise build_vector (#100610)

Instead of splatting a single lane, to initialise a build_vector, lower
to scalar_to_vector which can be selected to load_zero.

Also add load_zero and load_lane patterns for f32x4 and f64x2.



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