Frontend: Add a more explicit -backend-option flag for passing backend command
line options, instead of leveraging the blanket -mllvm option.
- This allows using the frontend itself without requiring the backend have
those options available (i.e., if the target wasn't built).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128087 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td
index 4188234..b29d73f 100644
--- a/include/clang/Driver/CC1Options.td
+++ b/include/clang/Driver/CC1Options.td
@@ -155,6 +155,8 @@
HelpText<"Omit frame pointer setup for leaf functions.">;
def msoft_float : Flag<"-msoft-float">,
HelpText<"Use software floating point">;
+def backend_option : Separate<"-backend-option">,
+ HelpText<"Additional arguments to forward to LLVM backend (during code gen)">;
def mregparm : Separate<"-mregparm">,
HelpText<"Limit the number of registers available for integer arguments">;
def mrelax_all : Flag<"-mrelax-all">,