[all-commits] [llvm/llvm-project] 6eb8ee: [flang] Add hlfir.associate and hlfir.end_associat...

[jeanPerier via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6eb8ee9835fde757625681bf5d9ef7209dc74ea7
      https://github.com/llvm/llvm-project/commit/6eb8ee9835fde757625681bf5d9ef7209dc74ea7
  Author: Jean Perier <jperier at nvidia.com>
  Date:   2022-11-30 (Wed, 30 Nov 2022)

  Changed paths:
    M flang/include/flang/Optimizer/HLFIR/HLFIROps.td
    M flang/lib/Optimizer/HLFIR/IR/HLFIROps.cpp
    A flang/test/HLFIR/associate.fir

  Log Message:
  -----------
  [flang] Add hlfir.associate and hlfir.end_associate definitions

These operations allow creating an HLFIR variable from a HLFIR value and
destroying it at the end of the variable lifetime.
This will both be used to implement procedure reference arguments association
when the actual is an expression, and to implement the Fortran associate
construct when the associated entity is an expression.

See https://github.com/llvm/llvm-project/blob/main/flang/docs/HighLevelFIR.md
for more details.

Differential Revision: https://reviews.llvm.org/D138996