[PATCH] D113395: [flang][CodeGen] Transform `IsPresentOpConversion` and `AbsentOpConversion`

[Andrzej Warzynski via Phabricator via llvm-commits]

awarzynski created this revision.
awarzynski added reviewers: jeanPerier, kiranchandramohan, schweitz, clementval.
Herald added subscribers: Chia-hungDuan, mehdi_amini, rriddle.
Herald added a project: Flang.
awarzynski requested review of this revision.
Herald added subscribers: llvm-commits, stephenneuendorffer, jdoerfert.
Herald added a project: LLVM.

This patch extends the `FIRToLLVMLowering` pass in Flang by adding
hooks to transform `fir.is_present` and `fir.absent` to the LLVM dialect
of MLIR.

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

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

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


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D113395

Files:
  flang/lib/Optimizer/CodeGen/CodeGen.cpp
  flang/lib/Optimizer/CodeGen/TypeConverter.h
  flang/test/Fir/convert-to-llvm.fir

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