[all-commits] [llvm/llvm-project] e565a4: [IR] Extract helper for GEPNoWrapFlags intersectio...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e565a4fa0b09456265e28b017054b20ff4315c58
      https://github.com/llvm/llvm-project/commit/e565a4fa0b09456265e28b017054b20ff4315c58
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2024-10-01 (Tue, 01 Oct 2024)

  Changed paths:
    M llvm/include/llvm/IR/GEPNoWrapFlags.h
    M llvm/lib/Transforms/InstCombine/InstructionCombining.cpp

  Log Message:
  -----------
  [IR] Extract helper for GEPNoWrapFlags intersection (NFC)

When combining two geps into one by adding the offsets, we have
to take some care when intersecting the flags, because nusw flags
cannot be straightforwardly preserved.

Add a helper for this on GEPNoWrapFlags so we won't have to repeat
this logic in various places.



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