diff options
| author | James Molloy <james.molloy@arm.com> | 2015-12-21 10:44:36 +0000 |
|---|---|---|
| committer | James Molloy <james.molloy@arm.com> | 2015-12-21 10:44:36 +0000 |
| commit | f97fdae4d0d0192db59531fd9948339153be27cb (patch) | |
| tree | 11e46f263bb8950c1f462301aeda7b6297459773 /clang/lib/Driver/Tools.cpp | |
| parent | 0b8ed1d16259fa845fe708819069e068eef172e2 (diff) | |
| download | llvm-f97fdae4d0d0192db59531fd9948339153be27cb.zip llvm-f97fdae4d0d0192db59531fd9948339153be27cb.tar.gz llvm-f97fdae4d0d0192db59531fd9948339153be27cb.tar.bz2 | |
[Driver] Pass -O* to the gold plugin via -plugin-opt
The gold plugin understands -O0..-O3, but these are not currently being passed to it.
llvm-svn: 256146
Diffstat (limited to 'clang/lib/Driver/Tools.cpp')
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 6947219..fd299ea 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -1796,6 +1796,19 @@ static void AddGoldPlugin(const ToolChain &ToolChain, const ArgList &Args, if (!CPU.empty()) CmdArgs.push_back(Args.MakeArgString(Twine("-plugin-opt=mcpu=") + CPU)); + if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { + StringRef OOpt; + if (A->getOption().matches(options::OPT_O4) || + A->getOption().matches(options::OPT_Ofast)) + OOpt = "3"; + else if (A->getOption().matches(options::OPT_O)) + OOpt = A->getValue(); + else if (A->getOption().matches(options::OPT_O0)) + OOpt = "0"; + if (!OOpt.empty()) + CmdArgs.push_back(Args.MakeArgString(Twine("-plugin-opt=O") + OOpt)); + } + if (IsThinLTO) CmdArgs.push_back("-plugin-opt=thinlto"); } |