[all-commits] [llvm/llvm-project] 371ee3: [ARM] Fold extract of ARM_BUILD_VECTOR

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 371ee32e01a788a6dfc62cb7b10a94b80fe28425
      https://github.com/llvm/llvm-project/commit/371ee32e01a788a6dfc62cb7b10a94b80fe28425
  Author: David Green <david.green at arm.com>
  Date:   2021-06-29 (Tue, 29 Jun 2021)

  Changed paths:
    M llvm/lib/Target/ARM/ARMISelLowering.cpp
    M llvm/test/CodeGen/ARM/big-endian-vector-callee.ll
    M llvm/test/CodeGen/ARM/big-endian-vector-caller.ll
    M llvm/test/CodeGen/Thumb2/mve-shuffle.ll
    M llvm/test/CodeGen/Thumb2/mve-soft-float-abi.ll
    M llvm/test/CodeGen/Thumb2/mve-vld3.ll
    M llvm/test/CodeGen/Thumb2/mve-vld4.ll
    M llvm/test/CodeGen/Thumb2/mve-vmull-splat.ll
    M llvm/test/CodeGen/Thumb2/mve-vst3.ll
    M llvm/test/CodeGen/Thumb2/mve-vst4.ll

  Log Message:
  -----------
  [ARM] Fold extract of ARM_BUILD_VECTOR

This adds a small fold for extract (ARM_BUILD_VECTOR) to fold to the
original node. This can help simplify the resulting codegen in some
cases.

Differential Revision: https://reviews.llvm.org/D104860