[flang-commits] [PATCH] D138650: [flang] Add hlfir.concat operation definition

[Jean Perier via Phabricator via flang-commits]

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This operation represents scalar character concatenation. This is
added as part of flang lowering update described in
https://github.com/llvm/llvm-project/blob/main/flang/docs/HighLevelFIR.md

A notable difference with Fortran concatenation is that hlfir.concat can
take two or more operands. This will be used to optimize concatenation
chains.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D138650

Files:
  flang/include/flang/Optimizer/HLFIR/HLFIRDialect.h
  flang/include/flang/Optimizer/HLFIR/HLFIROpBase.td
  flang/include/flang/Optimizer/HLFIR/HLFIROps.td
  flang/lib/Optimizer/HLFIR/IR/HLFIRDialect.cpp
  flang/lib/Optimizer/HLFIR/IR/HLFIROps.cpp
  flang/test/HLFIR/concat.fir
  flang/test/HLFIR/invalid.fir

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