[all-commits] [llvm/llvm-project] 6e41d6: [SelectionDAG] Change computeAliasing signature fr...

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6e41d60a717132fadac74abe61ac6a9b1ca98778
      https://github.com/llvm/llvm-project/commit/6e41d60a717132fadac74abe61ac6a9b1ca98778
  Author: David Green <david.green at arm.com>
  Date:   2024-02-28 (Wed, 28 Feb 2024)

  Changed paths:
    M llvm/include/llvm/CodeGen/SelectionDAGAddressAnalysis.h
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAGAddressAnalysis.cpp
    M llvm/test/CodeGen/AArch64/alloca-load-store-scalable-array.ll
    M llvm/test/CodeGen/AArch64/alloca-load-store-scalable-struct.ll
    M llvm/test/CodeGen/RISCV/rvv/alloca-load-store-scalable-array.ll
    M llvm/test/CodeGen/RISCV/rvv/alloca-load-store-scalable-struct.ll
    M llvm/unittests/CodeGen/SelectionDAGAddressAnalysisTest.cpp

  Log Message:
  -----------
  [SelectionDAG] Change computeAliasing signature from optional<uint64> to LocationSize. (#83017)

This is another smaller step of #70452, changing the signature of
computeAliasing() from optional<uint64_t> to LocationSize, and follow-up
changes in DAGCombiner::mayAlias(). There are some test change due to
the previous AA->isNoAlias call incorrectly using an unknown size
(~UINT64_T(0)). This should then be improved again in #70452 when the
types are known to be scalable.



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