[flang-commits] [PATCH] D136254: [flang] add fir.declare codegen support

[Peixin Qiao via Phabricator via flang-commits]

peixin added a comment.

Will `fir.declare` be used for procedure pointer, too? I am looking at the procedure pointer. It seems the codegen has been supported (check the following example). Should the lowering support be delayed until HLFIR is ready? It seems that `fir.declare` only targets on Fortran variables as `HighLevelFIR.md` mentioned.

  func.func private @foo(!fir.ref<(!fir.ref<i32>) -> f32>)
  
  func.func @func() -> ((!fir.ref<i32>) -> f32) {
    %0 = fir.alloca (!fir.ref<i32>) -> f32
    %1 = fir.load %0 : !fir.ref<(!fir.ref<i32>) -> f32>
    fir.call @foo(%0) : (!fir.ref<(!fir.ref<i32>) -> f32>) -> ()
    return %1 : (!fir.ref<i32>) -> f32
  }


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https://reviews.llvm.org/D136254