[PATCH] D115333: [flang][codegen] Add a conversion for `fir.coordinate_of` - part 2

[Andrzej Warzynski via Phabricator via llvm-commits]

awarzynski created this revision.
awarzynski added reviewers: jeanPerier, AlexisPerry, rovka, schweitz, kiranchandramohan, 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.
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This patch extends the `FIRToLLVMLowering` pass in Flang by extending
the hook to transform `fir.coordinate_of` into a sequence of LLVM MLIR
instructions (i.e. `CoordinateOpConversion::doRewrite`). The following
case is added:

3. the input object is inside `!fir.ref` (e.g. `!fir.ref<!fir.array>` or `!fir.ref<!fir.derived>`).

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>
Co-authored-by: V Donaldson <vdonaldson at nvidia.com>

Depends on: D114159 <https://reviews.llvm.org/D114159>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D115333

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

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