Driver/Clang: Forward -Wa, and -Xassembler to clang -cc1 when using the

integrated assembler. For now this mostly just means that we will error out if
someone tries to use this mechanism to send an argument to the assembler.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111921 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 0024bc94d8df95adf9c75af3e49e0058fd31de95..4f839e9dea398201b2bacecb24e87241b64af5c9 100644 (file)
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -708,6 +708,11 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
                       options::OPT_mno_relax_all,
                       !IsOpt))
       CmdArgs.push_back("-mrelax-all");
+
+    // When using an integrated assembler, we send -Wa, and -Xassembler options
+    // to -cc1.
+    Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+                         options::OPT_Xassembler);
   } else if (isa<PrecompileJobAction>(JA)) {
     // Use PCH if the user requested it.
     bool UsePCH = D.CCCUsePCH;
@@ -1322,7 +1327,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
     CmdArgs.push_back("-fdiagnostics-show-category");
     CmdArgs.push_back(A->getValue(Args));
   }
-  
+
   // Color diagnostics are the default, unless the terminal doesn't support
   // them.
   if (Args.hasFlag(options::OPT_fcolor_diagnostics,
@@ -1337,7 +1342,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
   if (!Args.hasFlag(options::OPT_fspell_checking,
                     options::OPT_fno_spell_checking))
     CmdArgs.push_back("-fno-spell-checking");
-  
+
   if (Arg *A = Args.getLastArg(options::OPT_fshow_overloads_EQ))
     A->render(Args, CmdArgs);
 
@@ -1426,7 +1431,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
     for (ArgList::const_iterator it = Args.begin(),
            ie = Args.end(); it != ie; ++it)
       (*it)->render(Args, OriginalArgs);
-    
+
     llvm::SmallString<256> Flags;
     Flags += Exec;
     for (unsigned i = 0, e = OriginalArgs.size(); i != e; ++i) {