diff options
Diffstat (limited to 'clang/lib/Driver/Tools.cpp')
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 1d5b18f0c93..49deb26e6a5 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -1863,8 +1863,7 @@ static bool isOptimizationLevelFast(const ArgList &Args) { /// \brief Vectorize at all optimization levels greater than 1 except for -Oz. static bool shouldEnableVectorizerAtOLevel(const ArgList &Args) { if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { - if (A->getOption().matches(options::OPT_O4) || - A->getOption().matches(options::OPT_Ofast)) + if (A->getOption().matches(options::OPT_Ofast)) return true; if (A->getOption().matches(options::OPT_O0)) @@ -1872,9 +1871,9 @@ static bool shouldEnableVectorizerAtOLevel(const ArgList &Args) { assert(A->getOption().matches(options::OPT_O) && "Must have a -O flag"); - // Vectorize -O (which really is -O2), -Os. + // Vectorize -Os. StringRef S(A->getValue()); - if (S == "s" || S.empty()) + if (S == "s") return true; // Don't vectorize -Oz. @@ -2623,13 +2622,8 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, // preprocessed inputs and configure concludes that -fPIC is not supported. Args.ClaimAllArgs(options::OPT_D); - // Manually translate -O4 to -O3; let clang reject others. - if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { - if (A->getOption().matches(options::OPT_O4)) - CmdArgs.push_back("-O3"); - else - A->render(Args, CmdArgs); - } + if (Arg *A = Args.getLastArg(options::OPT_O_Group)) + A->render(Args, CmdArgs); // Don't warn about unused -flto. This can happen when we're preprocessing or // precompiling. |
