[clang] Add no-warn support for Wa

llvm-svn: 368328

1 files changed, 5 insertions, 0 deletions

diff --git a/clang/tools/driver/cc1as_main.cpp b/clang/tools/driver/cc1as_main.cpp
index 0fe56f89d01..f3d815dc977 100644
--- a/clang/tools/driver/cc1as_main.cpp
+++ b/clang/tools/driver/cc1as_main.cpp
@@ -131,6 +131,7 @@ struct AssemblerInvocation {
   unsigned RelaxAll : 1;
   unsigned NoExecStack : 1;
   unsigned FatalWarnings : 1;
+  unsigned NoWarn : 1;
   unsigned IncrementalLinkerCompatible : 1;
   unsigned EmbedBitcode : 1;
 
@@ -156,6 +157,7 @@ public:
     RelaxAll = 0;
     NoExecStack = 0;
     FatalWarnings = 0;
+    NoWarn = 0;
     IncrementalLinkerCompatible = 0;
     DwarfVersion = 0;
     EmbedBitcode = 0;
@@ -285,6 +287,7 @@ bool AssemblerInvocation::CreateFromArgs(AssemblerInvocation &Opts,
   Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
   Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
   Opts.FatalWarnings = Args.hasArg(OPT_massembler_fatal_warnings);
+  Opts.NoWarn = Args.hasArg(OPT_massembler_no_warn);
   Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic");
   Opts.TargetABI = Args.getLastArgValue(OPT_target_abi);
   Opts.IncrementalLinkerCompatible =
@@ -432,6 +435,8 @@ static bool ExecuteAssembler(AssemblerInvocation &Opts,
   raw_pwrite_stream *Out = FDOS.get();
   std::unique_ptr<buffer_ostream> BOS;
 
+  MCOptions.MCNoWarn = Opts.NoWarn;
+  MCOptions.MCFatalWarnings = Opts.FatalWarnings;
   MCOptions.ABIName = Opts.TargetABI;
 
   // FIXME: There is a bit of code duplication with addPassesToEmitFile.