Pass -gdwarf-N options to integrated assembler

llvm-svn: 209124

1 files changed, 9 insertions, 0 deletions

diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 7862ffb446e..534afc5a0d5 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -1855,6 +1855,8 @@ static void CollectArgsForIntegratedAssembler(Compilation &C,
           // -I. The next arg will be the include directory.
           if (Value == "-I")
             TakeNextArg = true;
+        } else if (Value.startswith("-gdwarf-")) {
+          CmdArgs.push_back(Value.data());
         } else {
           D.Diag(diag::err_drv_unsupported_option_argument)
             << A->getOption().getName() << Value;
@@ -4442,6 +4444,13 @@ void ClangAs::ConstructJob(Compilation &C, const JobAction &JA,
       if (!A->getOption().matches(options::OPT_g0))
         CmdArgs.push_back("-g");
 
+    if (Args.hasArg(options::OPT_gdwarf_2))
+      CmdArgs.push_back("-gdwarf-2");
+    if (Args.hasArg(options::OPT_gdwarf_3))
+      CmdArgs.push_back("-gdwarf-3");
+    if (Args.hasArg(options::OPT_gdwarf_4))
+      CmdArgs.push_back("-gdwarf-4");
+
     // Add the -fdebug-compilation-dir flag if needed.
     addDebugCompDirArg(Args, CmdArgs);