[all-commits] [llvm/llvm-project] c75009: [flang] Lower c_ptr_eq/ne for iso_c_binding (#85293)

[Valentin Clement (バレンタイン クレメン) via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c75009ef7c5044cd1d2a54ffc572d609da19cb5a
      https://github.com/llvm/llvm-project/commit/c75009ef7c5044cd1d2a54ffc572d609da19cb5a
  Author: Valentin Clement <clementval at gmail.com>
  Date:   2024-03-14 (Thu, 14 Mar 2024)

  Changed paths:
    M flang/include/flang/Optimizer/Builder/IntrinsicCall.h
    M flang/lib/Optimizer/Builder/IntrinsicCall.cpp
    M flang/module/__fortran_builtins.f90
    A flang/test/Lower/Intrinsics/c_ptr_eq_ne.f90

  Log Message:
  -----------
  [flang] Lower c_ptr_eq/ne for iso_c_binding (#85293)

Comparing c_ptr type for equality or inequality is raising an error.

```
not yet implemented: intrinsic module procedure: c_ptr_eq
```
or this one for inequality
```
not yet implemented: intrinsic module procedure: c_ptr_ne
```

This patch adds a lowering for them and fix the `__fortran_builtins.f90` module for inequality.

Reland after fix has landed for circular modules #85309



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