Driver/Frontend: Add support for -fobjc-legacy-dispatch, not yet used.
llvm-svn: 95004
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@ -41,6 +41,8 @@ public:
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unsigned NoCommon : 1; /// Set when -fno-common or C++ is enabled.
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unsigned NoImplicitFloat : 1; /// Set when -mno-implicit-float is enabled.
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unsigned NoZeroInitializedInBSS : 1; /// -fno-zero-initialized-in-bss
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unsigned ObjCLegacyDispatch: 1; /// Use legacy Objective-C dispatch, even with
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/// 2.0 runtime.
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unsigned OptimizationLevel : 3; /// The -O[0-4] option specified.
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unsigned OptimizeSize : 1; /// If -Os is specified.
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unsigned SoftFloat : 1; /// -soft-float.
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@ -90,12 +92,13 @@ public:
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NoCommon = 0;
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NoImplicitFloat = 0;
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NoZeroInitializedInBSS = 0;
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ObjCLegacyDispatch = 0;
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OptimizationLevel = 0;
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OptimizeSize = 0;
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UnrollLoops = 0;
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SoftFloat = 0;
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TimePasses = 0;
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UnitAtATime = 1;
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UnrollLoops = 0;
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UnwindTables = 0;
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VerifyModule = 1;
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@ -347,6 +347,8 @@ def fobjc_gc : Flag<"-fobjc-gc">,
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HelpText<"Enable Objective-C garbage collection">;
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def fobjc_gc_only : Flag<"-fobjc-gc-only">,
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HelpText<"Use GC exclusively for Objective-C related memory management">;
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def fobjc_legacy_dispatch : Flag<"-fobjc-legacy-dispatch">,
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HelpText<"Use legacy dispatch with the Objective-C non-fragile ABI">;
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def print_ivar_layout : Flag<"-print-ivar-layout">,
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HelpText<"Enable Objective-C Ivar layout bitmap print trace">;
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def fobjc_nonfragile_abi : Flag<"-fobjc-nonfragile-abi">,
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@ -303,6 +303,7 @@ def fno_keep_inline_functions : Flag<"-fno-keep-inline-functions">, Group<clang_
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def fno_math_errno : Flag<"-fno-math-errno">, Group<f_Group>;
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def fno_merge_all_constants : Flag<"-fno-merge-all-constants">, Group<f_Group>;
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def fno_ms_extensions : Flag<"-fno-ms-extensions">, Group<f_Group>;
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def fno_objc_legacy_dispatch : Flag<"-fno-objc-legacy-dispatch">, Group<f_Group>;
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def fno_omit_frame_pointer : Flag<"-fno-omit-frame-pointer">, Group<f_Group>;
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def fno_pascal_strings : Flag<"-fno-pascal-strings">, Group<f_Group>;
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def fno_rtti : Flag<"-fno-rtti">, Group<f_Group>;
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@ -318,6 +319,7 @@ def fobjc_atdefs : Flag<"-fobjc-atdefs">, Group<clang_ignored_f_Group>;
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def fobjc_call_cxx_cdtors : Flag<"-fobjc-call-cxx-cdtors">, Group<clang_ignored_f_Group>;
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def fobjc_gc_only : Flag<"-fobjc-gc-only">, Group<f_Group>;
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def fobjc_gc : Flag<"-fobjc-gc">, Group<f_Group>;
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def fobjc_legacy_dispatch : Flag<"-fobjc-legacy-dispatch">, Group<f_Group>;
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def fobjc_new_property : Flag<"-fobjc-new-property">, Group<clang_ignored_f_Group>;
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def fobjc_nonfragile_abi : Flag<"-fobjc-nonfragile-abi">, Group<f_Group>;
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def fobjc_sender_dependent_dispatch : Flag<"-fobjc-sender-dependent-dispatch">, Group<f_Group>;
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@ -1024,10 +1024,22 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
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// -fobjc-nonfragile-abi=0 is default.
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if (types::isObjC(InputType)) {
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if (Args.hasArg(options::OPT_fobjc_nonfragile_abi) ||
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getToolChain().IsObjCNonFragileABIDefault())
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getToolChain().IsObjCNonFragileABIDefault()) {
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CmdArgs.push_back("-fobjc-nonfragile-abi");
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// -fobjc-legacy-dispatch is only relevant with the nonfragile-abi, and
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// defaults to off.
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if (Args.hasFlag(options::OPT_fobjc_legacy_dispatch,
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options::OPT_fno_objc_legacy_dispatch,
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false))
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CmdArgs.push_back("-fobjc-legacy-dispatch");
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}
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}
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if (!Args.hasFlag(options::OPT_fassume_sane_operator_new,
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options::OPT_fno_assume_sane_operator_new))
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CmdArgs.push_back("-fno-assume-sane-operator-new");
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// -fshort-wchar default varies depending on platform; only
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// pass if specified.
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if (Arg *A = Args.getLastArg(options::OPT_fshort_wchar)) {
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@ -170,6 +170,8 @@ static void CodeGenOptsToArgs(const CodeGenOptions &Opts,
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}
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if (Opts.NoZeroInitializedInBSS)
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Res.push_back("-mno-zero-initialized-bss");
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if (Opts.ObjCLegacyDispatch)
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Res.push_back("-fobjc-legacy-dispatch");
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if (Opts.SoftFloat)
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Res.push_back("-msoft-float");
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if (Opts.UnwindTables)
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@ -772,6 +774,7 @@ static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args,
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Opts.FloatABI = getLastArgValue(Args, OPT_mfloat_abi);
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Opts.LimitFloatPrecision = getLastArgValue(Args, OPT_mlimit_float_precision);
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Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss);
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Opts.ObjCLegacyDispatch = Args.hasArg(OPT_fobjc_legacy_dispatch);
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Opts.SoftFloat = Args.hasArg(OPT_msoft_float);
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Opts.UnwindTables = Args.hasArg(OPT_munwind_tables);
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Opts.RelocationModel = getLastArgValue(Args, OPT_mrelocation_model, "pic");
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