diff options
| author | Daniel Dunbar <daniel@zuster.org> | 2010-04-15 06:09:03 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2010-04-15 06:09:03 +0000 |
| commit | 3f87fb08dd502309960646db01099fb4c1be9a7c (patch) | |
| tree | 14d44885588a615f89642234b96b8c9d2e9204f5 /tools/driver/cc1_main.cpp | |
| parent | 2df2569679237b4979654a8663cd61aea67ab207 (diff) | |
Driver/Frontend: Add support for -mllvm, which forwards options to the LLVM option parser.
- Note that this is a behavior change, previously -mllvm at the driver level forwarded to clang -cc1. The driver does a little magic to make sure that '-mllvm -disable-llvm-optzns' works correctly, but other users will need to be updated to use -Xclang.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101354 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/driver/cc1_main.cpp')
| -rw-r--r-- | tools/driver/cc1_main.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/driver/cc1_main.cpp b/tools/driver/cc1_main.cpp index e9663f4bbc..41f2997e20 100644 --- a/tools/driver/cc1_main.cpp +++ b/tools/driver/cc1_main.cpp @@ -241,6 +241,19 @@ int cc1_main(const char **ArgBegin, const char **ArgEnd, return 0; } + // Honor -mllvm. + // + // FIXME: Remove this, one day. + if (!Clang->getFrontendOpts().LLVMArgs.empty()) { + unsigned NumArgs = Clang->getFrontendOpts().LLVMArgs.size(); + const char **Args = new const char*[NumArgs + 2]; + Args[0] = "clang (LLVM option parsing)"; + for (unsigned i = 0; i != NumArgs; ++i) + Args[i + 1] = Clang->getFrontendOpts().LLVMArgs[i].c_str(); + Args[NumArgs + 1] = 0; + llvm::cl::ParseCommandLineOptions(NumArgs + 1, (char**) Args); + } + // Create the actual diagnostics engine. Clang->createDiagnostics(ArgEnd - ArgBegin, const_cast<char**>(ArgBegin)); if (!Clang->hasDiagnostics()) |