[all-commits] [llvm/llvm-project] 0766c1: [LFTR] Simplify integer case for genLoopLimit [nfc...

[Philip Reames via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0766c1bd5c0ece916be14b620b02bea845cb9fac
      https://github.com/llvm/llvm-project/commit/0766c1bd5c0ece916be14b620b02bea845cb9fac
  Author: Philip Reames <preames at rivosinc.com>
  Date:   2023-03-22 (Wed, 22 Mar 2023)

  Changed paths:
    M llvm/lib/Transforms/Scalar/IndVarSimplify.cpp

  Log Message:
  -----------
  [LFTR] Simplify integer case for genLoopLimit [nfc-ish]

The integer case in genLoopLimit reduces down to a special case for narrowing the bitwidth of the limit, and then performing the same expansion we would for a pointer IV.

Differential Revision: https://reviews.llvm.org/D146638