[all-commits] [llvm/llvm-project] 39f6d8: [flang] Speed up folding of LEN_TRIM()

[Peter Klausler via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 39f6d8334522ee5baefeae49be5bf1a3d6163e9f
      https://github.com/llvm/llvm-project/commit/39f6d8334522ee5baefeae49be5bf1a3d6163e9f
  Author: Peter Klausler <pklausler at nvidia.com>
  Date:   2022-10-29 (Sat, 29 Oct 2022)

  Changed paths:
    M flang/lib/Evaluate/character.h

  Log Message:
  -----------
  [flang] Speed up folding of LEN_TRIM()

LEN_TRIM's folding is currently based on VERIFY(), and it is kind of
slow for the very large CHARACTER arguments that can show up in artificial
test suites.  Rewrite in terms of single-character accesses.

Differential Revision: https://reviews.llvm.org/D136901