[PATCH] D98081: [AMDGPU] Improve Codegen for build_vector

[Julien Pagès via Phabricator via llvm-commits]

jpages created this revision.
jpages added reviewers: foad, arsenm.
jpages added a project: AMDGPU.
Herald added subscribers: kerbowa, hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, jvesely, kzhuravl.
jpages requested review of this revision.
Herald added subscribers: llvm-commits, wdng.
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Improve the code generation of build_vector.
Use the v_pack_b32_f16 instruction instead of 
v_and_b32 + v_lshl_or_b32


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D98081

Files:
  llvm/lib/Target/AMDGPU/SIInstructions.td
  llvm/test/CodeGen/AMDGPU/build-vector-packed-partial-undef.ll
  llvm/test/CodeGen/AMDGPU/fptrunc.f16.ll
  llvm/test/CodeGen/AMDGPU/insert_vector_elt.v2i16.ll
  llvm/test/CodeGen/AMDGPU/pack.v2f16.ll
  llvm/test/CodeGen/AMDGPU/vector_shuffle.packed.ll

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