Add support for -fno-optimize-sibling-calls. Currently only implemented in the
X86 backend in LLVM.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148689 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td
index 3b87dd2..3d59906 100644
--- a/include/clang/Driver/CC1Options.td
+++ b/include/clang/Driver/CC1Options.td
@@ -166,6 +166,8 @@
HelpText<"Enable additional debug output">;
def mdisable_fp_elim : Flag<"-mdisable-fp-elim">,
HelpText<"Disable frame pointer elimination optimization">;
+def mdisable_tail_calls : Flag<"-mdisable-tail-calls">,
+ HelpText<"Disable tail call optimization, keeping the call stack accurate">;
def menable_no_infinities : Flag<"-menable-no-infs">,
HelpText<"Allow optimization to assume there are no infinities.">;
def menable_no_nans : Flag<"-menable-no-nans">,