[all-commits] [llvm/llvm-project] 5c6ac3: [AArch64][SVE] Combine add and index_vector

[junparser via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5c6ac3b4a25e6514e0480cfa14a8ecd6f3962576
      https://github.com/llvm/llvm-project/commit/5c6ac3b4a25e6514e0480cfa14a8ecd6f3962576
  Author: Jun Ma <JunMa at linux.alibaba.com>
  Date:   2021-04-20 (Tue, 20 Apr 2021)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
    M llvm/lib/Target/AArch64/SVEInstrFormats.td
    M llvm/test/CodeGen/AArch64/sve-stepvector.ll

  Log Message:
  -----------
  [AArch64][SVE] Combine add and index_vector

This patch tries to combine pattern add(index_vector(zero, step), dup(X)) into index_vector(X, step)

TestPlan: check-llvm

Differential Revision: https://reviews.llvm.org/D100107