[all-commits] [llvm/llvm-project] ba7036: [Clang][Driver] Support linker relaxation options ...

[ZhaoQi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ba70368f1380f8d22494fc8c100d2ab894a3cf94
      https://github.com/llvm/llvm-project/commit/ba70368f1380f8d22494fc8c100d2ab894a3cf94
  Author: ZhaoQi <zhaoqi01 at loongson.cn>
  Date:   2025-01-23 (Thu, 23 Jan 2025)

  Changed paths:
    M clang/include/clang/Basic/DiagnosticDriverKinds.td
    M clang/lib/Driver/ToolChains/Arch/LoongArch.cpp
    M clang/lib/Driver/ToolChains/Gnu.cpp
    A clang/test/Driver/loongarch-relax-features.c

  Log Message:
  -----------
  [Clang][Driver] Support linker relaxation options for LoongArch (#123587)

This commit completed four tasks:
- Add `-mrelax/-mno-relax` options support for LoongArch in clang
driver.
- Print error for `-gsplit-dwarf` with LoongArch linker relaxation
(`-mrelax`).
- Pass `-X` to linker to discard a plethora of `.L` symbols due to
linker relaxation.
- Forward `--no-relax` option to linker.



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