[all-commits] [llvm/llvm-project] 783201: Attributor: Don't follow uses of ConstantData (#13...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 783201b184572a07efe2dc6b6b9110873421cf11
      https://github.com/llvm/llvm-project/commit/783201b184572a07efe2dc6b6b9110873421cf11
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2025-04-07 (Mon, 07 Apr 2025)

  Changed paths:
    M llvm/lib/Transforms/IPO/Attributor.cpp
    M llvm/lib/Transforms/IPO/AttributorAttributes.cpp
    M llvm/test/Transforms/Attributor/IPConstantProp/pthreads.ll
    M llvm/test/Transforms/Attributor/allocator.ll
    M llvm/test/Transforms/Attributor/callbacks.ll
    M llvm/test/Transforms/Attributor/issue87856.ll
    M llvm/test/Transforms/Attributor/memory_locations.ll
    M llvm/test/Transforms/Attributor/noalias.ll
    M llvm/test/Transforms/Attributor/nocapture-1.ll
    M llvm/test/Transforms/Attributor/noundef.ll
    M llvm/test/Transforms/Attributor/undefined_behavior.ll
    M llvm/test/Transforms/Attributor/value-simplify-local-remote.ll
    M llvm/test/Transforms/Attributor/value-simplify.ll

  Log Message:
  -----------
  Attributor: Don't follow uses of ConstantData (#134573)

These should not really have uselists, and it's not worth the compile
time of looking at all uses of trivial constants. The main observable
change of this is it no longer adds align attributes on constant null
uses, but those are not useful. Some of these cases should potentially
be more aggressive and not look at any Constant users.



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