[all-commits] [llvm/llvm-project] bebbe6: [flang] Fix creation of deferred shape arrays by P...

Pete Steinfeld via All-commits all-commits at lists.llvm.org
Wed Jan 20 13:18:52 PST 2021


  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: bebbe64075abf9d9887a8e1ee39c1ecefe970954
      https://github.com/llvm/llvm-project/commit/bebbe64075abf9d9887a8e1ee39c1ecefe970954
  Author: Peter Steinfeld <psteinfeld at nvidia.com>
  Date:   2021-01-20 (Wed, 20 Jan 2021)

  Changed paths:
    M flang/lib/Semantics/resolve-names-utils.cpp
    M flang/lib/Semantics/resolve-names-utils.h
    M flang/lib/Semantics/resolve-names.cpp
    M flang/test/Semantics/allocate12.f90

  Log Message:
  -----------
  [flang] Fix creation of deferred shape arrays by POINTER statement

It's possible to  declare deferred shape array using the POINTER
statement, for example:

  POINTER :: var(:)

When analyzing POINTER declarations, we were not capturing the array
specification information, if present.  I fixed this by changing the
"Post" function for "parser::PointerDecl" to check to see if the
declaration contained a "DeferredShapeSpecList".  In such cases, I
analyzed the shape and used to information to declare an "ObjectEntity"
that contains the shape information rather than an "UnknownEntity".

I also added a couple of small tests that fail to compile without these
changes.

Differential Revision: https://reviews.llvm.org/D95080




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