diff options
| -rw-r--r-- | clang/include/clang/Basic/LangOptions.def | 3 | ||||
| -rw-r--r-- | clang/include/clang/Driver/Options.td | 2 | ||||
| -rw-r--r-- | clang/lib/Driver/ToolChains/Clang.cpp | 1 | ||||
| -rw-r--r-- | clang/lib/Frontend/CompilerInvocation.cpp | 3 | ||||
| -rw-r--r-- | clang/lib/Sema/SemaExprCXX.cpp | 7 |
5 files changed, 12 insertions, 4 deletions
diff --git a/clang/include/clang/Basic/LangOptions.def b/clang/include/clang/Basic/LangOptions.def index a76eab808e5..be4491d512f 100644 --- a/clang/include/clang/Basic/LangOptions.def +++ b/clang/include/clang/Basic/LangOptions.def @@ -227,7 +227,8 @@ BENIGN_LANGOPT(DumpRecordLayouts , 1, 0, "dumping the layout of IRgen'd records" BENIGN_LANGOPT(DumpRecordLayoutsSimple , 1, 0, "dumping the layout of IRgen'd records in a simple form") BENIGN_LANGOPT(DumpVTableLayouts , 1, 0, "dumping the layouts of emitted vtables") LANGOPT(NoConstantCFStrings , 1, 0, "no constant CoreFoundation strings") -BENIGN_LANGOPT(InlineVisibilityHidden , 1, 0, "hidden default visibility for inline C++ methods") +BENIGN_LANGOPT(InlineVisibilityHidden , 1, 0, "hidden visibility for inline C++ methods") +LANGOPT(GlobalAllocationFunctionVisibilityHidden , 1, 0, "hidden visibility for global operator new and delete declaration") BENIGN_LANGOPT(ParseUnknownAnytype, 1, 0, "__unknown_anytype") BENIGN_LANGOPT(DebuggerSupport , 1, 0, "debugger support") BENIGN_LANGOPT(DebuggerCastResultToId, 1, 0, "for 'po' in the debugger, cast the result to id if it is of unknown type") diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td index 73d3cc46642..a2aa17af454 100644 --- a/clang/include/clang/Driver/Options.td +++ b/clang/include/clang/Driver/Options.td @@ -1734,6 +1734,8 @@ def fvisibility_inlines_hidden : Flag<["-"], "fvisibility-inlines-hidden">, Grou def fvisibility_ms_compat : Flag<["-"], "fvisibility-ms-compat">, Group<f_Group>, HelpText<"Give global types 'default' visibility and global functions and " "variables 'hidden' visibility by default">; +def fvisibility_global_new_delete_hidden : Flag<["-"], "fvisibility-global-new-delete-hidden">, Group<f_Group>, + HelpText<"Give global C++ operator new and delete declarations hidden visibility">, Flags<[CC1Option]>; def fwhole_program_vtables : Flag<["-"], "fwhole-program-vtables">, Group<f_Group>, Flags<[CoreOption, CC1Option]>, HelpText<"Enables whole-program vtable optimization. Requires -flto">; diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp index fc58d9d38da..33a5371679c 100644 --- a/clang/lib/Driver/ToolChains/Clang.cpp +++ b/clang/lib/Driver/ToolChains/Clang.cpp @@ -4329,6 +4329,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, } Args.AddLastArg(CmdArgs, options::OPT_fvisibility_inlines_hidden); + Args.AddLastArg(CmdArgs, options::OPT_fvisibility_global_new_delete_hidden); Args.AddLastArg(CmdArgs, options::OPT_ftlsmodel_EQ); diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index 3722a89a853..29f1125759b 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -2487,6 +2487,9 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, if (Args.hasArg(OPT_fvisibility_inlines_hidden)) Opts.InlineVisibilityHidden = 1; + if (Args.hasArg(OPT_fvisibility_global_new_delete_hidden)) + Opts.GlobalAllocationFunctionVisibilityHidden = 1; + if (Args.hasArg(OPT_ftrapv)) { Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); // Set the handler, if one is specified. diff --git a/clang/lib/Sema/SemaExprCXX.cpp b/clang/lib/Sema/SemaExprCXX.cpp index 23bc4831b1b..ceb55d9f340 100644 --- a/clang/lib/Sema/SemaExprCXX.cpp +++ b/clang/lib/Sema/SemaExprCXX.cpp @@ -2816,9 +2816,10 @@ void Sema::DeclareGlobalAllocationFunction(DeclarationName Name, // Global allocation functions should always be visible. Alloc->setVisibleDespiteOwningModule(); - // Implicit sized deallocation functions always have default visibility. - Alloc->addAttr( - VisibilityAttr::CreateImplicit(Context, VisibilityAttr::Default)); + Alloc->addAttr(VisibilityAttr::CreateImplicit( + Context, LangOpts.GlobalAllocationFunctionVisibilityHidden + ? VisibilityAttr::Hidden + : VisibilityAttr::Default)); llvm::SmallVector<ParmVarDecl *, 3> ParamDecls; for (QualType T : Params) { |
