[all-commits] [llvm/llvm-project] 878a57: [flang][cuda] Add c_devloc as intrinsic and inline...

[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: 878a57468b2faf5d979b5bad6b2721e76ea750c3
      https://github.com/llvm/llvm-project/commit/878a57468b2faf5d979b5bad6b2721e76ea750c3
  Author: Valentin Clement (バレンタイン クレメン) <clementval at gmail.com>
  Date:   2025-01-08 (Wed, 08 Jan 2025)

  Changed paths:
    M flang/include/flang/Optimizer/Builder/FIRBuilder.h
    M flang/include/flang/Optimizer/Builder/IntrinsicCall.h
    M flang/lib/Evaluate/intrinsics.cpp
    M flang/lib/Optimizer/Builder/FIRBuilder.cpp
    M flang/lib/Optimizer/Builder/IntrinsicCall.cpp
    M flang/module/__fortran_builtins.f90
    M flang/module/__fortran_type_info.f90
    A flang/test/Lower/CUDA/cuda-cdevloc.cuf

  Log Message:
  -----------
  [flang][cuda] Add c_devloc as intrinsic and inline it during lowering (#120648)

Add `c_devloc` as intrinsic and inline it during lowering. `c_devloc` is
used in CUDA Fortran to get the address of device variables.

For the moment, we borrow almost all semantic checks from `c_loc` except
for the pointer or target restriction. The specifications of `c_devloc`
are are pretty vague and we will relax/enforce the restrictions based on
library and apps usage comparing them to the reference compiler.



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