diff options
Diffstat (limited to 'lib/Driver/Tools.cpp')
| -rw-r--r-- | lib/Driver/Tools.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index bc5a7cf860..afb02fa49b 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -278,9 +278,12 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, A->render(Args, CmdArgs); } - // Manually translate -O to -O1; let clang reject others. - if (Arg *A = Args.getLastArg(options::OPT_O)) { - if (A->getValue(Args)[0] == '\0') + // Manually translate -O to -O1 and -O4 to -O3; let clang reject + // others. + if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { + if (A->getOption().getId() == options::OPT_O4) + CmdArgs.push_back("-O3"); + else if (A->getValue(Args)[0] == '\0') CmdArgs.push_back("-O1"); else A->render(Args, CmdArgs); |