[all-commits] [llvm/llvm-project] be8e46: [Clang][RISCV] Forward --no-relax option to linker...

[Andreu Carminati via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: be8e462a0c27e4850020c96290cabdcdbcab46f3
      https://github.com/llvm/llvm-project/commit/be8e462a0c27e4850020c96290cabdcdbcab46f3
  Author: Andreu Carminati <andreu.carminati at hightec-rt.com>
  Date:   2024-01-26 (Fri, 26 Jan 2024)

  Changed paths:
    M clang/lib/Driver/ToolChains/BareMetal.cpp
    M clang/lib/Driver/ToolChains/Gnu.cpp
    M clang/lib/Driver/ToolChains/RISCVToolchain.cpp
    M clang/test/Driver/baremetal.cpp
    M clang/test/Driver/riscv32-toolchain.c
    M clang/test/Driver/riscv64-toolchain.c

  Log Message:
  -----------
  [Clang][RISCV] Forward --no-relax option to linker for RISC-V (#76432)

In the case of -mno-relax option. Otherwise, we cannot prevent
relaxation if we split compilation and linking using Clang driver.

One can consider the following use case:

clang [...] -c -o myobject.o (just compile)
clang [...] myobject.o -o myobject.elf -mno-relax (linking)

In this case, myobject.elf will be relaxed, the -mno-relax will be
silently ignored.