r194350 - Add gold plugin support to the FreeBSD link driver.

[Rafael Espíndola]

Can you add a testcase?

On 10 November 2013 04:31, Roman Divacky <rdivacky at freebsd.org> wrote:
> Author: rdivacky
> Date: Sun Nov 10 03:31:43 2013
> New Revision: 194350
>
> URL: http://llvm.org/viewvc/llvm-project?rev=194350&view=rev
> Log:
> Add gold plugin support to the FreeBSD link driver.
>
> Modified:
>     cfe/trunk/lib/Driver/ToolChains.cpp
>     cfe/trunk/lib/Driver/ToolChains.h
>     cfe/trunk/lib/Driver/Tools.cpp
>
> Modified: cfe/trunk/lib/Driver/ToolChains.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains.cpp?rev=194350&r1=194349&r2=194350&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Driver/ToolChains.cpp (original)
> +++ cfe/trunk/lib/Driver/ToolChains.cpp Sun Nov 10 03:31:43 2013
> @@ -2497,6 +2497,10 @@ Linux::Linux(const Driver &D, const llvm
>    addPathIfExists(SysRoot + "/usr/lib", Paths);
>  }
>
> +bool FreeBSD::HasNativeLLVMSupport() const {
> +  return true;
> +}
> +
>  bool Linux::HasNativeLLVMSupport() const {
>    return true;
>  }
>
> Modified: cfe/trunk/lib/Driver/ToolChains.h
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains.h?rev=194350&r1=194349&r2=194350&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Driver/ToolChains.h (original)
> +++ cfe/trunk/lib/Driver/ToolChains.h Sun Nov 10 03:31:43 2013
> @@ -514,6 +514,7 @@ class LLVM_LIBRARY_VISIBILITY FreeBSD :
>  public:
>    FreeBSD(const Driver &D, const llvm::Triple &Triple,
>            const llvm::opt::ArgList &Args);
> +  virtual bool HasNativeLLVMSupport() const;
>
>    virtual bool IsMathErrnoDefault() const { return false; }
>    virtual bool IsObjCNonFragileABIDefault() const { return true; }
>
> Modified: cfe/trunk/lib/Driver/Tools.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=194350&r1=194349&r2=194350&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Driver/Tools.cpp (original)
> +++ cfe/trunk/lib/Driver/Tools.cpp Sun Nov 10 03:31:43 2013
> @@ -5770,6 +5770,26 @@ void freebsd::Link::ConstructJob(Compila
>    Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
>    Args.AddAllArgs(CmdArgs, options::OPT_r);
>
> +  // Tell the linker to load the plugin. This has to come before AddLinkerInputs
> +  // as gold requires -plugin to come before any -plugin-opt that -Wl might
> +  // forward.
> +  if (D.IsUsingLTO(Args)) {
> +    CmdArgs.push_back("-plugin");
> +    std::string Plugin = ToolChain.getDriver().Dir + "/../lib/LLVMgold.so";
> +    CmdArgs.push_back(Args.MakeArgString(Plugin));
> +
> +    // Try to pass driver level flags relevant to LTO code generation down to
> +    // the plugin.
> +
> +    // Handle flags for selecting CPU variants.
> +    std::string CPU = getCPUName(Args, ToolChain.getTriple());
> +    if (!CPU.empty()) {
> +      CmdArgs.push_back(
> +                        Args.MakeArgString(Twine("-plugin-opt=mcpu=") +
> +                                           CPU));
> +    }
> +  }
> +
>    AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs);
>
>    if (!Args.hasArg(options::OPT_nostdlib) &&
>
>
> _______________________________________________
> cfe-commits mailing list
> cfe-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits