[all-commits] [llvm/llvm-project] 20d8f8: [GlobalOpt] Fix global SRA incorrect alignment on ...

[Bruno De Fraine via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 20d8f8ca1a9de3506c7cad55abcea501a0c57afa
      https://github.com/llvm/llvm-project/commit/20d8f8ca1a9de3506c7cad55abcea501a0c57afa
  Author: Bruno De Fraine <brunodf at synopsys.com>
  Date:   2024-11-18 (Mon, 18 Nov 2024)

  Changed paths:
    M llvm/lib/Transforms/IPO/GlobalOpt.cpp
    M llvm/test/DebugInfo/X86/global-sra-struct-fit-segment.ll
    M llvm/test/DebugInfo/X86/global-sra-struct-part-overlap-segment.ll
    M llvm/test/Transforms/GlobalOpt/globalsra-align.ll
    A llvm/test/Transforms/GlobalOpt/pr115282.ll

  Log Message:
  -----------
  [GlobalOpt] Fix global SRA incorrect alignment on some elements (#115328)

The logic had a flaw where the alignment from the original aggregate is
unintentionally retained for elements when the calculated known
alignment is not higher than the element's ABI type alignment.

Fixes #115282.



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