[all-commits] [llvm/llvm-project] a6dd01: [DebugInfo] Support for DW_TAG_generic_subrange

[Alok Kumar Sharma via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: a6dd01afa3d5902203d04a72e0b478078f796a35
      https://github.com/llvm/llvm-project/commit/a6dd01afa3d5902203d04a72e0b478078f796a35
  Author: Alok Kumar Sharma <AlokKumar.Sharma at amd.com>
  Date:   2020-10-29 (Thu, 29 Oct 2020)

  Changed paths:
    M llvm/include/llvm-c/DebugInfo.h
    M llvm/include/llvm/Bitcode/LLVMBitCodes.h
    M llvm/include/llvm/IR/DIBuilder.h
    M llvm/include/llvm/IR/DebugInfoMetadata.h
    M llvm/include/llvm/IR/Metadata.def
    M llvm/lib/AsmParser/LLParser.cpp
    M llvm/lib/Bitcode/Reader/MetadataLoader.cpp
    M llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
    M llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
    M llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp
    M llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
    M llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
    M llvm/lib/IR/AsmWriter.cpp
    M llvm/lib/IR/DIBuilder.cpp
    M llvm/lib/IR/DebugInfoMetadata.cpp
    M llvm/lib/IR/LLVMContextImpl.h
    M llvm/lib/IR/Verifier.cpp
    A llvm/test/Bitcode/generic_subrange.ll
    A llvm/test/Bitcode/generic_subrange_const.ll
    A llvm/test/Bitcode/generic_subrange_count.ll
    A llvm/test/DebugInfo/X86/dwarfdump-generic_subrange.ll
    A llvm/test/DebugInfo/X86/dwarfdump-generic_subrange_const.ll
    A llvm/test/DebugInfo/X86/dwarfdump-generic_subrange_count.ll
    A llvm/test/Verifier/digenericsubrange-count-upperBound.ll
    A llvm/test/Verifier/digenericsubrange-missing-stride.ll
    A llvm/test/Verifier/digenericsubrange-missing-upperBound.ll
    M llvm/unittests/IR/MetadataTest.cpp

  Log Message:
  -----------
  [DebugInfo] Support for DW_TAG_generic_subrange

This is needed to support fortran assumed rank arrays which
have runtime rank.

  Summary:
Fortran assumed rank arrays have dynamic rank. DWARF TAG
DW_TAG_generic_subrange is needed to support that.

  Testing:
unit test cases added (hand-written)
check llvm
check debug-info

Reviewed By: aprantl

Differential Revision: https://reviews.llvm.org/D89218