[all-commits] [llvm/llvm-project] de1283: [AMDGPU] Rework getDivNumBits API (#119768)

[choikwa via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: de12836f28a5c6b1a5464efcd15f28d3cfaabdaf
      https://github.com/llvm/llvm-project/commit/de12836f28a5c6b1a5464efcd15f28d3cfaabdaf
  Author: choikwa <5455710+choikwa at users.noreply.github.com>
  Date:   2025-01-09 (Thu, 09 Jan 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp

  Log Message:
  -----------
  [AMDGPU] Rework getDivNumBits API (#119768)

Rework involves below:
- Return unsigned value, the number of div/rem bits actually needed.
- Change from AtLeast(SignBits) to MaxDivBits hint.
- Use MaxDivBits hint for unsigned case.
- Remove unnecessary second early exit.

Mostly NFC changes.



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