[all-commits] [llvm/llvm-project] 199d3d: [flang] Added storage specification for [hl]fir.de...

[Slava Zakharin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 199d3d77dd0d7f83be97052d07bbf3ed1d2ea3bb
      https://github.com/llvm/llvm-project/commit/199d3d77dd0d7f83be97052d07bbf3ed1d2ea3bb
  Author: Slava Zakharin <szakharin at nvidia.com>
  Date:   2025-08-27 (Wed, 27 Aug 2025)

  Changed paths:
    M flang/include/flang/Optimizer/Dialect/FIROps.td
    M flang/include/flang/Optimizer/Dialect/FIRTypes.td
    M flang/include/flang/Optimizer/Dialect/FortranVariableInterface.h
    M flang/include/flang/Optimizer/Dialect/FortranVariableInterface.td
    M flang/include/flang/Optimizer/HLFIR/HLFIROps.td
    M flang/lib/Optimizer/Builder/FIRBuilder.cpp
    M flang/lib/Optimizer/Dialect/FortranVariableInterface.cpp
    M flang/lib/Optimizer/HLFIR/IR/HLFIROps.cpp
    M flang/lib/Optimizer/HLFIR/Transforms/ConvertToFIR.cpp
    M flang/test/Fir/declare.fir
    M flang/test/Fir/invalid.fir
    M flang/test/HLFIR/declare-codegen.fir
    M flang/test/HLFIR/declare.fir
    M flang/test/HLFIR/invalid.fir
    M flang/unittests/Optimizer/FortranVariableTest.cpp

  Log Message:
  -----------
  [flang] Added storage specification for [hl]fir.declare. (#155325)

As proposed in
https://discourse.llvm.org/t/rfc-flang-representation-for-objects-inside-physical-storage/88026,
this patch adds a `storage` Value operand and a `storage_offset`
Integer attribute for `[hl]fir.declare` operations.

The `storage` operand indicates the raw address of the physical storage
a variable belongs to. This is the beginning address of the physical
storage.
The `storage_offset` specifies a byte offset within the physical storage
where the variable object starts.



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