[all-commits] [llvm/llvm-project] 14867f: [flang][CodeGen] Transform `fir.unboxchar` to a se...

[Andrzej Warzyński via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 14867ffc7c6dd78665b332fe2e815c83909eb93e
      https://github.com/llvm/llvm-project/commit/14867ffc7c6dd78665b332fe2e815c83909eb93e
  Author: Andrzej Warzynski <andrzej.warzynski at arm.com>
  Date:   2021-11-15 (Mon, 15 Nov 2021)

  Changed paths:
    M flang/include/flang/Optimizer/Dialect/FIROps.td
    M flang/lib/Optimizer/CodeGen/CodeGen.cpp
    M flang/test/Fir/convert-to-llvm-target.fir

  Log Message:
  -----------
  [flang][CodeGen] Transform `fir.unboxchar` to a sequence of LLVM MLIR

This patch extends the `FIRToLLVMLowering` pass in Flang by adding a
hook to transform `fir.unboxchar` to a sequence of LLVM MLIR
instructions.

This is part of the upstreaming effort from the `fir-dev` branch in [1].

[1] https://github.com/flang-compiler/f18-llvm-project

Differential Revision: https://reviews.llvm.org/D113747

Originally written by:
Co-authored-by: Eric Schweitz <eschweitz at nvidia.com>
Co-authored-by: Jean Perier <jperier at nvidia.com>