[all-commits] [llvm/llvm-project] 80b79c: [ConstantFolding] Handle reading from type padding...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 80b79ce432bbe12701fd9fe495ff9feeb5e4b9ca
      https://github.com/llvm/llvm-project/commit/80b79ce432bbe12701fd9fe495ff9feeb5e4b9ca
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2025-06-17 (Tue, 17 Jun 2025)

  Changed paths:
    M llvm/lib/Analysis/ConstantFolding.cpp
    M llvm/test/Transforms/InstSimplify/ConstProp/loads.ll

  Log Message:
  -----------
  [ConstantFolding] Handle reading from type padding (#144330)

ReadDataFromGlobal() did not handle reads from the padding of types (in
the sense of type store size != type alloc size, rather than struct
padding).

Return zero in that case.

Fixes https://github.com/llvm/llvm-project/issues/144279.



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