[all-commits] [llvm/llvm-project] 77973f: [WebAssembly] Add support for DWARF type units

[Derek Schuff via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 77973f8dee6d4d6f1b7c2a026249c1f7068f267b
      https://github.com/llvm/llvm-project/commit/77973f8dee6d4d6f1b7c2a026249c1f7068f267b
  Author: Derek Schuff <dschuff at chromium.org>
  Date:   2020-10-28 (Wed, 28 Oct 2020)

  Changed paths:
    M clang/lib/Driver/ToolChains/Clang.cpp
    M clang/test/Driver/debug-options.c
    M llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
    M llvm/lib/MC/MCObjectFileInfo.cpp
    M llvm/lib/MC/WasmObjectWriter.cpp
    A llvm/test/DebugInfo/WebAssembly/dwarf-headers.ll

  Log Message:
  -----------
      [WebAssembly] Add support for DWARF type units

    Since Wasm comdat sections work similarly to ELF, we can use that mechanism
    to eliminate duplicate dwarf type information in the same way.

    Differential Revision: https://reviews.llvm.org/D88603