[all-commits] [llvm/llvm-project] 4c4c0d: [LV] Use safe-divisor lowering for fixed vectors i...

[Philip Reames via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4c4c0d2c06ded443a5f90cdafc8e41016585ac4a
      https://github.com/llvm/llvm-project/commit/4c4c0d2c06ded443a5f90cdafc8e41016585ac4a
  Author: Philip Reames <preames at rivosinc.com>
  Date:   2022-09-08 (Thu, 08 Sep 2022)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/test/Transforms/LoopVectorize/RISCV/divrem.ll
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence-sink-replicate-region.ll
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence.ll
    M llvm/test/Transforms/LoopVectorize/if-pred-non-void.ll
    M llvm/test/Transforms/LoopVectorize/induction.ll
    M llvm/test/Transforms/LoopVectorize/pr44488-predication.ll
    M llvm/test/Transforms/LoopVectorize/reduction-small-size.ll
    M llvm/test/Transforms/LoopVectorize/vplan-printing.ll

  Log Message:
  -----------
  [LV] Use safe-divisor lowering for fixed vectors if profitable

This extends the safe-divisor widening scheme recently added for scalable vectors to handle fixed vectors as well.

Differential Revision: https://reviews.llvm.org/D132591