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/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 671cfc5..f457609 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -146,6 +146,8 @@
Res.push_back("-disable-llvm-optzns");
if (Opts.DisableRedZone)
Res.push_back("-disable-red-zone");
+ if (Opts.DisableTailCalls)
+ Res.push_back("-mdisable-tail-calls");
if (!Opts.DebugCompilationDir.empty()) {
Res.push_back("-fdebug-compilation-dir");
Res.push_back(Opts.DebugCompilationDir);
@@ -1098,6 +1100,7 @@
Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model);
Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass);
Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim);
+ Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls);
Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi);
Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables);
Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable);