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.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105804 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 4d7f839..9bc8b76 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -680,6 +680,8 @@
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 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 @@
// 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";
}
//