[all-commits] [llvm/llvm-project] 953aa1: [flang][cuda] Lower device to host and device to d...

[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: 953aa102a90099ae655eaa4645dd8d15c95ea86a
      https://github.com/llvm/llvm-project/commit/953aa102a90099ae655eaa4645dd8d15c95ea86a
  Author: Valentin Clement (バレンタイン クレメン) <clementval at gmail.com>
  Date:   2024-04-05 (Fri, 05 Apr 2024)

  Changed paths:
    M flang/include/flang/Evaluate/tools.h
    M flang/lib/Lower/Bridge.cpp
    M flang/test/Lower/CUDA/cuda-data-transfer.cuf

  Log Message:
  -----------
  [flang][cuda] Lower device to host and device to device transfer (#87387)

Add more support for CUDA data transfer in assignment. This patch adds
device to device and device to host support. If device symbols are
present on the rhs, some implicit data transfer are initiated. A
temporary is created and the data are transferred to the host. The
expression is evaluated on the host and the assignment is done.



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