From 95a546ee4dbdc997e9898c9839f3851f46a78b5c Mon Sep 17 00:00:00 2001 From: Charles Davis Date: Fri, 11 Jun 2010 01:06:47 +0000 Subject: Add an option to specify the target C++ ABI to the frontend. Use it to select either the default Itanium ABI or the new, experimental Microsoft ABI. llvm-svn: 105804 --- clang/lib/Frontend/CompilerInvocation.cpp | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'clang/lib/Frontend/CompilerInvocation.cpp') diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index 4d7f839bdcc..9bc8b76de89 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -680,6 +680,8 @@ static void TargetOptsToArgs(const TargetOptions &Opts, Res.push_back("-target-abi"); Res.push_back(Opts.ABI); } + Res.push_back("-cxx-abi"); + Res.push_back(Opts.CXXABI); for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { Res.push_back("-target-feature"); Res.push_back(Opts.Features[i]); @@ -1367,6 +1369,7 @@ static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { using namespace cc1options; Opts.ABI = Args.getLastArgValue(OPT_target_abi); + Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); Opts.CPU = Args.getLastArgValue(OPT_target_cpu); Opts.Triple = Args.getLastArgValue(OPT_triple); Opts.Features = Args.getAllArgValues(OPT_target_feature); @@ -1374,6 +1377,10 @@ static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { // Use the host triple if unspecified. if (Opts.Triple.empty()) Opts.Triple = llvm::sys::getHostTriple(); + + // Use the Itanium C++ ABI if unspecified. + if (Opts.CXXABI.empty()) + Opts.CXXABI = "itanium"; } // -- cgit v1.2.3