diff options
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 1 | ||||
| -rw-r--r-- | clang/lib/Frontend/CompilerInvocation.cpp | 10 |
2 files changed, 8 insertions, 3 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 19a6a92474c..8f052791e81 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -1208,6 +1208,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, Args.AddLastArg(CmdArgs, options::OPT_ftrapv); Args.AddLastArg(CmdArgs, options::OPT_fwrapv); Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings); + Args.AddLastArg(CmdArgs, options::OPT_funroll_loops); Args.AddLastArg(CmdArgs, options::OPT_pthread); diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index 8f9fa848cbf..aa0c317dd83 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -148,9 +148,12 @@ static void CodeGenOptsToArgs(const CodeGenOptions &Opts, // SimplifyLibCalls is only derived. // TimePasses is only derived. // UnitAtATime is unused. - // UnrollLoops is only derived. // Inlining is only derived. - + + // UnrollLoops is derived, but also accepts an option, no + // harm in pushing it back here. + if (Opts.UnrollLoops) + Res.push_back("-funroll-loops"); if (Opts.DataSections) Res.push_back("-fdata-sections"); if (Opts.FunctionSections) @@ -828,7 +831,8 @@ static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, Opts.OptimizeSize = Args.hasArg(OPT_Os); Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || Args.hasArg(OPT_ffreestanding)); - Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); + Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || + (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); |
