From 1c8c436a854e7bc26775d1dc4f49313d684d59eb Mon Sep 17 00:00:00 2001 From: Nick Lewycky Date: Mon, 23 Jan 2012 08:29:12 +0000 Subject: Add support for -fno-optimize-sibling-calls. Currently only implemented in the X86 backend in LLVM. llvm-svn: 148689 --- clang/lib/Frontend/CompilerInvocation.cpp | 3 +++ 1 file changed, 3 insertions(+) (limited to 'clang/lib/Frontend/CompilerInvocation.cpp') diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index 671cfc5a05f..f4576093d8c 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -146,6 +146,8 @@ static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 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 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 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); -- cgit v1.2.3