[all-commits] [llvm/llvm-project] 96e83d: [LV] Use IRBuilder to create and optimize middle-b...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 96e83d3705c76e7da28551a698cb651d352a9b2b
      https://github.com/llvm/llvm-project/commit/96e83d3705c76e7da28551a698cb651d352a9b2b
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2023-08-29 (Tue, 29 Aug 2023)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/test/Transforms/LoopVectorize/AArch64/epilog-vectorization-widen-inductions.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/pr60831-sve-inv-store-crash.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-epilog-vect.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/synthesize-mask-for-call.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/type-shrinkage-insertelt.ll
    M llvm/test/Transforms/LoopVectorize/ARM/tail-folding-not-allowed.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/divrem.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/interleaved-accesses.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/safe-dep-distance.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/short-trip-count.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/uniform-load-store.ll
    M llvm/test/Transforms/LoopVectorize/X86/constant-fold.ll
    M llvm/test/Transforms/LoopVectorize/X86/gather_scatter.ll
    M llvm/test/Transforms/LoopVectorize/X86/imprecise-through-phis.ll
    M llvm/test/Transforms/LoopVectorize/X86/limit-vf-by-tripcount.ll
    M llvm/test/Transforms/LoopVectorize/X86/load-deref-pred.ll
    M llvm/test/Transforms/LoopVectorize/X86/masked_load_store.ll
    M llvm/test/Transforms/LoopVectorize/X86/metadata-enable.ll
    M llvm/test/Transforms/LoopVectorize/X86/optsize.ll
    M llvm/test/Transforms/LoopVectorize/X86/pr34438.ll
    M llvm/test/Transforms/LoopVectorize/X86/pr36524.ll
    M llvm/test/Transforms/LoopVectorize/X86/pr51366-sunk-instruction-used-outside-of-loop.ll
    M llvm/test/Transforms/LoopVectorize/X86/reduction-fastmath.ll
    M llvm/test/Transforms/LoopVectorize/X86/strided_load_cost.ll
    M llvm/test/Transforms/LoopVectorize/X86/uniform_mem_op.ll
    M llvm/test/Transforms/LoopVectorize/X86/vect.omp.force.small-tc.ll
    M llvm/test/Transforms/LoopVectorize/X86/x86-predication.ll
    M llvm/test/Transforms/LoopVectorize/create-induction-resume.ll
    M llvm/test/Transforms/LoopVectorize/dont-fold-tail-for-const-TC.ll
    M llvm/test/Transforms/LoopVectorize/epilog-vectorization-reductions.ll
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence-chains.ll
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence-complex.ll
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence-multiply-recurrences.ll
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence.ll
    M llvm/test/Transforms/LoopVectorize/float-minmax-instruction-flag.ll
    M llvm/test/Transforms/LoopVectorize/if-pred-non-void.ll
    M llvm/test/Transforms/LoopVectorize/if-pred-stores.ll
    M llvm/test/Transforms/LoopVectorize/induction-multiple-uses-in-same-instruction.ll
    M llvm/test/Transforms/LoopVectorize/induction.ll
    M llvm/test/Transforms/LoopVectorize/instruction-only-used-outside-of-loop.ll
    M llvm/test/Transforms/LoopVectorize/is_fpclass.ll
    M llvm/test/Transforms/LoopVectorize/lcssa-crashes.ll
    M llvm/test/Transforms/LoopVectorize/load-deref-pred-align.ll
    M llvm/test/Transforms/LoopVectorize/load-of-struct-deref-pred.ll
    M llvm/test/Transforms/LoopVectorize/optimal-epilog-vectorization.ll
    M llvm/test/Transforms/LoopVectorize/pointer-induction-unroll.ll
    M llvm/test/Transforms/LoopVectorize/pointer-induction.ll
    M llvm/test/Transforms/LoopVectorize/pr39417-optsize-scevchecks.ll
    M llvm/test/Transforms/LoopVectorize/pr44488-predication.ll
    M llvm/test/Transforms/LoopVectorize/pr47343-expander-lcssa-after-cfg-update.ll
    M llvm/test/Transforms/LoopVectorize/pr50686.ll
    M llvm/test/Transforms/LoopVectorize/pr55167-fold-tail-live-out.ll
    M llvm/test/Transforms/LoopVectorize/pr58811-scev-expansion.ll
    M llvm/test/Transforms/LoopVectorize/reduction-with-invariant-store.ll
    M llvm/test/Transforms/LoopVectorize/runtime-check-needed-but-empty.ll
    M llvm/test/Transforms/LoopVectorize/scev-exit-phi-invalidation.ll
    M llvm/test/Transforms/LoopVectorize/scev-predicate-reasoning.ll
    M llvm/test/Transforms/LoopVectorize/select-reduction-start-value-may-be-undef-or-poison.ll
    M llvm/test/Transforms/LoopVectorize/single-value-blend-phis.ll
    M llvm/test/Transforms/LoopVectorize/strided-accesses-interleave-only.ll
    M llvm/test/Transforms/LoopVectorize/trunc-shifts.ll
    M llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction1.ll
    M llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction1_and.ll
    M llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction1_div_urem.ll
    M llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction1_lshr.ll
    M llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction2.ll
    M llvm/test/Transforms/LoopVectorize/widen-gep-all-indices-invariant.ll

  Log Message:
  -----------
  [LV] Use IRBuilder to create and optimize middle-block compare.

Split off from D150398 to avoid builder-related diff changes there.
Using IRBuilder to create ICmps simplifies the result if both operands
are constants.

Reviewed By: Ayal

Differential Revision: https://reviews.llvm.org/D158332