[all-commits] [llvm/llvm-project] 5f8189: [flang] fix C_PTR function result lowering (#100082)

[jeanPerier via All-commits]

  Branch: refs/heads/release/19.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 5f8189c47d94f2cf909ca3c618e72475ab1166c4
      https://github.com/llvm/llvm-project/commit/5f8189c47d94f2cf909ca3c618e72475ab1166c4
  Author: jeanPerier <jperier at nvidia.com>
  Date:   2024-07-24 (Wed, 24 Jul 2024)

  Changed paths:
    M flang/lib/Optimizer/Builder/FIRBuilder.cpp
    M flang/lib/Optimizer/Transforms/AbstractResult.cpp
    M flang/test/Fir/abstract-results.fir

  Log Message:
  -----------
  [flang] fix C_PTR function result lowering (#100082)

Functions returning C_PTR were lowered to function returning intptr (i64
on 64bit arch). This caused conflicts when these functions were defined
as returning !fir.ref<none>/llvm.ptr in other compiler generated
contexts (e.g., malloc).

Lower them to return !fir.ref<none>.

This should deal with https://github.com/llvm/llvm-project/issues/97325
and https://github.com/llvm/llvm-project/issues/98644.

(cherry picked from commit 1ead51a86c6c746a1b9948ca1ee142df223ffebd)



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