[all-commits] [llvm/llvm-project] 2386c3: [BasicAA] Gracefully handle large LocationSize (#1...

[Nikita Popov via All-commits]

  Branch: refs/heads/release/20.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 2386c377db4ff35129d1dc6a618ea13252493ca4
      https://github.com/llvm/llvm-project/commit/2386c377db4ff35129d1dc6a618ea13252493ca4
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2025-05-09 (Fri, 09 May 2025)

  Changed paths:
    M llvm/lib/Analysis/BasicAliasAnalysis.cpp
    A llvm/test/Analysis/BasicAA/size-overflow.ll

  Log Message:
  -----------
  [BasicAA] Gracefully handle large LocationSize (#138528)

If the LocationSize is larger than the index space of the pointer type,
bail out instead of triggering an APInt assertion.

Fixes the issue reported at
https://github.com/llvm/llvm-project/pull/119365#issuecomment-2849874894.

(cherry picked from commit 027b2038140f309467585298f9cb10d6b37411e7)



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