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Revert "[Clang] Add the ability to map DLL storage class to visibility" 

This reverts commit 415f7ee883.

The added tests were failing on the build bots!
This commit is contained in:
Ben Dunbobbin 2020-11-02 17:32:55 +00:00
parent 9ac2910093
commit 5024d3aa18
9 changed files with 3 additions and 426 deletions
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10
clang/include/clang/Basic/LangOptions.def
View File

@ -307,16 +307,6 @@ ENUM_LANGOPT(TypeVisibilityMode, Visibility, 3, DefaultVisibility,
"default visibility for types [-ftype-visibility]")
LANGOPT(SetVisibilityForExternDecls, 1, 0,
"apply global symbol visibility to external declarations without an explicit visibility")
LANGOPT(VisibilityFromDLLStorageClass, 1, 0,
"set the visiblity of globals from their DLL storage class [-fvisibility-from-dllstorageclass]")
ENUM_LANGOPT(DLLExportVisibility, Visibility, 3, DefaultVisibility,
"visibility for functions and variables with dllexport annotations [-fvisibility-from-dllstorageclass]")
ENUM_LANGOPT(NoDLLStorageClassVisibility, Visibility, 3, HiddenVisibility,
"visibility for functions and variables without an explicit DLL storage class [-fvisibility-from-dllstorageclass]")
ENUM_LANGOPT(ExternDeclDLLImportVisibility, Visibility, 3, DefaultVisibility,
"visibility for external declarations with dllimport annotations [-fvisibility-from-dllstorageclass]")
ENUM_LANGOPT(ExternDeclNoDLLStorageClassVisibility, Visibility, 3, HiddenVisibility,
"visibility for external declarations without an explicit DLL storage class [-fvisibility-from-dllstorageclass]")
BENIGN_LANGOPT(SemanticInterposition , 1, 0, "semantic interposition")
BENIGN_LANGOPT(ExplicitNoSemanticInterposition, 1, 0, "explicitly no semantic interposition")
ENUM_LANGOPT(StackProtector, StackProtectorMode, 2, SSPOff,

9
clang/include/clang/Driver/Options.td
View File

@ -1973,15 +1973,6 @@ def fno_var_tracking : Flag<["-"], "fno-var-tracking">, Group<clang_ignored_f_Gr
def fverbose_asm : Flag<["-"], "fverbose-asm">, Group<f_Group>,
HelpText<"Generate verbose assembly output">;
def dA : Flag<["-"], "dA">, Alias<fverbose_asm>;
defm visibility_from_dllstorageclass : OptInFFlag<"visibility-from-dllstorageclass", "Set the visiblity of symbols in the generated code from their DLL storage class">;
def fvisibility_dllexport_EQ : Joined<["-"], "fvisibility-dllexport=">, Group<f_Group>, Flags<[CC1Option]>,
HelpText<"The visibility for dllexport defintions [-fvisibility-from-dllstorageclass]">, Values<"hidden,protected,default">;
def fvisibility_nodllstorageclass_EQ : Joined<["-"], "fvisibility-nodllstorageclass=">, Group<f_Group>, Flags<[CC1Option]>,
HelpText<"The visibility for defintiions without an explicit DLL export class [-fvisibility-from-dllstorageclass]">, Values<"hidden,protected,default">;
def fvisibility_externs_dllimport_EQ : Joined<["-"], "fvisibility-externs-dllimport=">, Group<f_Group>, Flags<[CC1Option]>,
HelpText<"The visibility for dllimport external declarations [-fvisibility-from-dllstorageclass]">, Values<"hidden,protected,default">;
def fvisibility_externs_nodllstorageclass_EQ : Joined<["-"], "fvisibility-externs-nodllstorageclass=">, Group<f_Group>, Flags<[CC1Option]>,
HelpText<"The visibility for external declarations without an explicit DLL dllstorageclass [-fvisibility-from-dllstorageclass]">, Values<"hidden,protected,default">;
def fvisibility_EQ : Joined<["-"], "fvisibility=">, Group<f_Group>,
HelpText<"Set the default symbol visibility for all global declarations">, Values<"hidden,default">;
def fvisibility_inlines_hidden : Flag<["-"], "fvisibility-inlines-hidden">, Group<f_Group>,

41
clang/lib/CodeGen/CodeGenModule.cpp
View File

@ -401,41 +401,6 @@ void InstrProfStats::reportDiagnostics(DiagnosticsEngine &Diags,
}
}
static void setVisibilityFromDLLStorageClass(const clang::LangOptions &LO,
llvm::Module &M) {
if (!LO.VisibilityFromDLLStorageClass)
return;
llvm::GlobalValue::VisibilityTypes DLLExportVisibility =
CodeGenModule::GetLLVMVisibility(LO.getDLLExportVisibility());
llvm::GlobalValue::VisibilityTypes NoDLLStorageClassVisibility =
CodeGenModule::GetLLVMVisibility(LO.getNoDLLStorageClassVisibility());
llvm::GlobalValue::VisibilityTypes ExternDeclDLLImportVisibility =
CodeGenModule::GetLLVMVisibility(LO.getExternDeclDLLImportVisibility());
llvm::GlobalValue::VisibilityTypes ExternDeclNoDLLStorageClassVisibility =
CodeGenModule::GetLLVMVisibility(
LO.getExternDeclNoDLLStorageClassVisibility());
for (llvm::GlobalValue &GV : M.global_values()) {
if (GV.hasAppendingLinkage() || GV.hasLocalLinkage())
return;
if (GV.isDeclarationForLinker()) {
GV.setVisibility(GV.getDLLStorageClass() ==
llvm::GlobalValue::DLLImportStorageClass
? ExternDeclDLLImportVisibility
: ExternDeclNoDLLStorageClassVisibility);
} else {
GV.setVisibility(GV.getDLLStorageClass() ==
llvm::GlobalValue::DLLExportStorageClass
? DLLExportVisibility
: NoDLLStorageClassVisibility);
}
GV.setDLLStorageClass(llvm::GlobalValue::DefaultStorageClass);
}
}
void CodeGenModule::Release() {
EmitDeferred();
EmitVTablesOpportunistically();
@ -723,12 +688,6 @@ void CodeGenModule::Release() {
getTargetCodeGenInfo().emitTargetMetadata(*this, MangledDeclNames);
EmitBackendOptionsMetadata(getCodeGenOpts());
// Set visibility from DLL export class
// We do this at the end of LLVM IR generation; after any operation
// that might affect the DLL storage class or the visibility, and
// before anything that might act on these.
setVisibilityFromDLLStorageClass(LangOpts, getModule());
}
void CodeGenModule::EmitOpenCLMetadata() {

15
clang/lib/Driver/ToolChains/Clang.cpp
View File

@ -5317,21 +5317,6 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
}
}
if (!RawTriple.isPS4())
if (const Arg *A =
Args.getLastArg(options::OPT_fvisibility_from_dllstorageclass,
options::OPT_fno_visibility_from_dllstorageclass)) {
if (A->getOption().matches(
options::OPT_fvisibility_from_dllstorageclass)) {
CmdArgs.push_back("-fvisibility-from-dllstorageclass");
Args.AddLastArg(CmdArgs, options::OPT_fvisibility_dllexport_EQ);
Args.AddLastArg(CmdArgs, options::OPT_fvisibility_nodllstorageclass_EQ);
Args.AddLastArg(CmdArgs, options::OPT_fvisibility_externs_dllimport_EQ);
Args.AddLastArg(CmdArgs,
options::OPT_fvisibility_externs_nodllstorageclass_EQ);
}
}
if (const Arg *A = Args.getLastArg(options::OPT_mignore_xcoff_visibility)) {
if (Triple.isOSAIX())
CmdArgs.push_back("-mignore-xcoff-visibility");

37
clang/lib/Driver/ToolChains/PS4CPU.cpp
View File

@ -239,8 +239,9 @@ SanitizerMask toolchains::PS4CPU::getSupportedSanitizers() const {
}
void toolchains::PS4CPU::addClangTargetOptions(
const ArgList &DriverArgs, ArgStringList &CC1Args,
Action::OffloadKind DeviceOffloadingKind) const {
const ArgList &DriverArgs,
ArgStringList &CC1Args,
Action::OffloadKind DeviceOffloadingKind) const {
// PS4 does not use init arrays.
if (DriverArgs.hasArg(options::OPT_fuse_init_array)) {
Arg *A = DriverArgs.getLastArg(options::OPT_fuse_init_array);
@ -249,36 +250,4 @@ void toolchains::PS4CPU::addClangTargetOptions(
}
CC1Args.push_back("-fno-use-init-array");
const Arg *A =
DriverArgs.getLastArg(options::OPT_fvisibility_from_dllstorageclass,
options::OPT_fno_visibility_from_dllstorageclass);
if (!A ||
A->getOption().matches(options::OPT_fvisibility_from_dllstorageclass)) {
CC1Args.push_back("-fvisibility-from-dllstorageclass");
if (DriverArgs.hasArg(options::OPT_fvisibility_dllexport_EQ))
DriverArgs.AddLastArg(CC1Args, options::OPT_fvisibility_dllexport_EQ);
else
CC1Args.push_back("-fvisibility-dllexport=protected");
if (DriverArgs.hasArg(options::OPT_fvisibility_nodllstorageclass_EQ))
DriverArgs.AddLastArg(CC1Args,
options::OPT_fvisibility_nodllstorageclass_EQ);
else
CC1Args.push_back("-fvisibility-nodllstorageclass=hidden");
if (DriverArgs.hasArg(options::OPT_fvisibility_externs_dllimport_EQ))
DriverArgs.AddLastArg(CC1Args,
options::OPT_fvisibility_externs_dllimport_EQ);
else
CC1Args.push_back("-fvisibility-externs-dllimport=default");
if (DriverArgs.hasArg(
options::OPT_fvisibility_externs_nodllstorageclass_EQ))
DriverArgs.AddLastArg(
CC1Args, options::OPT_fvisibility_externs_nodllstorageclass_EQ);
else
CC1Args.push_back("-fvisibility-externs-nodllstorageclass=default");
}
}

32
clang/lib/Frontend/CompilerInvocation.cpp
View File

@ -2814,38 +2814,6 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
if (Args.hasArg(OPT_fapply_global_visibility_to_externs))
Opts.SetVisibilityForExternDecls = 1;
if (Args.hasArg(OPT_fvisibility_from_dllstorageclass)) {
Opts.VisibilityFromDLLStorageClass = 1;
// Translate dllexport defintions to default visibility, by default.
if (Arg *O = Args.getLastArg(OPT_fvisibility_dllexport_EQ))
Opts.setDLLExportVisibility(parseVisibility(O, Args, Diags));
else
Opts.setDLLExportVisibility(DefaultVisibility);
// Translate defintions without an explict DLL storage class to hidden
// visibility, by default.
if (Arg *O = Args.getLastArg(OPT_fvisibility_nodllstorageclass_EQ))
Opts.setNoDLLStorageClassVisibility(parseVisibility(O, Args, Diags));
else
Opts.setNoDLLStorageClassVisibility(HiddenVisibility);
// Translate dllimport external declarations to default visibility, by
// default.
if (Arg *O = Args.getLastArg(OPT_fvisibility_externs_dllimport_EQ))
Opts.setExternDeclDLLImportVisibility(parseVisibility(O, Args, Diags));
else
Opts.setExternDeclDLLImportVisibility(DefaultVisibility);
// Translate external declarations without an explicit DLL storage class
// to hidden visibility, by default.
if (Arg *O = Args.getLastArg(OPT_fvisibility_externs_nodllstorageclass_EQ))
Opts.setExternDeclNoDLLStorageClassVisibility(
parseVisibility(O, Args, Diags));
else
Opts.setExternDeclNoDLLStorageClassVisibility(HiddenVisibility);
}
if (Args.hasArg(OPT_ftrapv)) {
Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping);
// Set the handler, if one is specified.

70
clang/test/CodeGenCXX/visibility-dllstorageclass.cpp
View File

@ -1,70 +0,0 @@
// REQUIRES: x86-registered-target
// Test that -fvisibility-from-dllstorageclass maps DLL storage class to visibility
// and that it overrides the effect of visibility options and annotations.
// RUN: %clang_cc1 -triple x86_64-unknown-windows-itanium -fdeclspec \
// RUN: -fvisibility hidden \
// RUN: -fvisibility-from-dllstorageclass \
// RUN: -x c++ %s -S -emit-llvm -o - | \
// RUN: FileCheck %s --check-prefixes=DEFAULT
// RUN: %clang_cc1 -triple x86_64-unknown-windows-itanium -fdeclspec \
// RUN: -fvisibility hidden \
// RUN: -fvisibility-from-dllstorageclass \
// RUN: -fvisibility-dllexport=hidden \
// RUN: -fvisibility-nodllstorageclass=protected \
// RUN: -fvisibility-externs-dllimport=hidden \
// RUN: -fvisibility-externs-nodllstorageclass=protected \
// RUN: -x c++ %s -S -emit-llvm -o - | \
// RUN: FileCheck %s --check-prefixes=EXPLICIT
// Function
void f() {}
void __declspec(dllexport) exported_f() {}
// DEFAULT-DAG: define hidden void @_Z1fv()
// DEFAULT-DAG: define dso_local void @_Z10exported_fv()
// EXPLICIT-DAG: define protected void @_Z1fv()
// EXPLICIT-DAG: define hidden void @_Z10exported_fv()
// Variable
int d = 123;
__declspec(dllexport) int exported_d = 123;
// DEFAULT-DAG: @d = hidden global
// DEFAULT-DAG: @exported_d = dso_local global
// EXPLICIT-DAG: @d = protected global
// EXPLICIT-DAG: @exported_d = hidden global
// Alias
extern "C" void aliased() {}
void a() __attribute__((alias("aliased")));
void __declspec(dllexport) a_exported() __attribute__((alias("aliased")));
// DEFAULT-DAG: @_Z1av = hidden alias
// DEFAULT-DAG: @_Z10a_exportedv = dso_local alias
// EXPLICIT-DAG: @_Z1av = protected alias
// EXPLICIT-DAG: @_Z10a_exportedv = hidden alias
// Declaration
extern void e();
extern void __declspec(dllimport) imported_e();
void use_declarations(){e(); imported_e();}
// DEFAULT-DAG: declare hidden void @_Z1ev()
// DEFAULT-DAG: declare void @_Z10imported_ev()
// EXPLICIT-DAG: declare protected void @_Z1ev()
// EXPLICIT-DAG: declare hidden void @_Z10imported_ev()
// Show that -fvisibility-from-dllstorageclass overrides the effect of visibility annotations.
struct __attribute__((type_visibility("protected"))) t {
virtual void foo();
};
void t::foo() {}
// DEFAULT-DAG: @_ZTV1t = hidden unnamed_addr constant
int v __attribute__ ((__visibility__ ("protected"))) = 123;
// DEFAULT-DAG: @v = hidden global
#pragma GCC visibility push(protected)
int p = 345;
#pragma GCC visibility pop
// DEFAULT-DAG: @p = hidden global

128
clang/test/Driver/ps4-visibility-dllstorageclass.c
View File

@ -1,128 +0,0 @@
// Check behaviour of -fvisibility-from-dllstorageclass options for PS4
// RUN: %clang -### -target x86_64-scei-ps4 %s -Werror -o - 2>&1 | \
// RUN: FileCheck %s -check-prefixes=DEFAULTS,DEFAULTS1 \
// RUN: --implicit-check-not=-fvisibility-from-dllstorageclass \
// RUN: --implicit-check-not=-fvisibility-dllexport \
// RUN: --implicit-check-not=-fvisibility-nodllstorageclass \
// RUN: --implicit-check-not=-fvisibility-externs-dllimport \
// RUN: --implicit-check-not=-fvisibility-externs-nodllstorageclass
// RUN: %clang -### -target x86_64-scei-ps4 \
// RUN: -fno-visibility-from-dllstorageclass \
// RUN: -fvisibility-from-dllstorageclass \
// RUN: -Werror \
// RUN: %s -o - 2>&1 | \
// RUN: FileCheck %s -check-prefixes=DEFAULTS,DEFAULTS2 \
// RUN: --implicit-check-not=-fvisibility-from-dllstorageclass \
// RUN: --implicit-check-not=-fvisibility-dllexport \
// RUN: --implicit-check-not=-fvisibility-nodllstorageclass \
// RUN: --implicit-check-not=-fvisibility-externs-dllimport \
// RUN: --implicit-check-not=-fvisibility-externs-nodllstorageclass
// DEFAULTS: "-fvisibility-from-dllstorageclass"
// DEFAULTS-SAME: "-fvisibility-dllexport=protected"
// DEFAULTS-SAME: "-fvisibility-nodllstorageclass=hidden"
// DEFAULTS-SAME: "-fvisibility-externs-dllimport=default"
// DEFAULTS-SAME: "-fvisibility-externs-nodllstorageclass=default"
// RUN: %clang -### -target x86_64-scei-ps4 \
// RUN: -fvisibility-from-dllstorageclass \
// RUN: -fvisibility-dllexport=hidden \
// RUN: -fvisibility-nodllstorageclass=protected \
// RUN: -fvisibility-externs-dllimport=hidden \
// RUN: -fvisibility-externs-nodllstorageclass=protected \
// RUN: -fno-visibility-from-dllstorageclass \
// RUN: %s -o - 2>&1 | \
// RUN: FileCheck %s -check-prefix=UNUSED \
// RUN: --implicit-check-not=-fvisibility-from-dllstorageclass \
// RUN: --implicit-check-not=-fvisibility-dllexport \
// RUN: --implicit-check-not=-fvisibility-nodllstorageclass \
// RUN: --implicit-check-not=-fvisibility-externs-dllimport \
// RUN: --implicit-check-not=-fvisibility-externs-nodllstorageclass \
// RUN: --implicit-check-not=warning:
// UNUSED: clang: warning: argument unused during compilation: '-fvisibility-dllexport=hidden'
// UNUSED-NEXT: clang: warning: argument unused during compilation: '-fvisibility-nodllstorageclass=protected'
// UNUSED-NEXT: clang: warning: argument unused during compilation: '-fvisibility-externs-dllimport=hidden'
// UNUSED-NEXT: clang: warning: argument unused during compilation: '-fvisibility-externs-nodllstorageclass=protected'
// RUN: %clang -### -target x86_64-scei-ps4 \
// RUN: -fvisibility-nodllstorageclass=protected \
// RUN: -fvisibility-externs-dllimport=hidden \
// RUN: -Werror \
// RUN: %s -o - 2>&1 | \
// RUN: FileCheck %s -check-prefix=SOME \
// RUN: --implicit-check-not=-fvisibility-from-dllstorageclass \
// RUN: --implicit-check-not=-fvisibility-dllexport \
// RUN: --implicit-check-not=-fvisibility-nodllstorageclass \
// RUN: --implicit-check-not=-fvisibility-externs-dllimport \
// RUN: --implicit-check-not=-fvisibility-externs-nodllstorageclass
// SOME1: "-fvisibility-from-dllstorageclass"
// SOME1-SAME: "-fvisibility-dllexport=protected"
// SOME1-SAME: "-fvisibility-nodllstorageclass=protected"
// SOME1-SAME: "-fvisibility-externs-dllimport=hidden"
// SOME1-SAME: "-fvisibility-externs-nodllstorageclass=default"
// RUN: %clang -### -target x86_64-scei-ps4 \
// RUN: -fvisibility-from-dllstorageclass \
// RUN: -fvisibility-nodllstorageclass=protected \
// RUN: -fvisibility-externs-dllimport=hidden \
// RUN: -Werror \
// RUN: %s -o - 2>&1 | \
// RUN: FileCheck %s -check-prefix=SOME \
// RUN: --implicit-check-not=-fvisibility-from-dllstorageclass \
// RUN: --implicit-check-not=-fvisibility-dllexport \
// RUN: --implicit-check-not=-fvisibility-nodllstorageclass \
// RUN: --implicit-check-not=-fvisibility-externs-dllimport \
// RUN: --implicit-check-not=-fvisibility-externs-nodllstorageclass
// SOME: "-fvisibility-from-dllstorageclass"
// SOME-SAME: "-fvisibility-dllexport=protected"
// SOME-SAME: "-fvisibility-nodllstorageclass=protected"
// SOME-SAME: "-fvisibility-externs-dllimport=hidden"
// SOME-SAME: "-fvisibility-externs-nodllstorageclass=default"
// RUN: %clang -### -target x86_64-scei-ps4 \
// RUN: -fvisibility-dllexport=default \
// RUN: -fvisibility-dllexport=hidden \
// RUN: -fvisibility-nodllstorageclass=default \
// RUN: -fvisibility-nodllstorageclass=protected \
// RUN: -fvisibility-externs-dllimport=default \
// RUN: -fvisibility-externs-dllimport=hidden \
// RUN: -fvisibility-externs-nodllstorageclass=default \
// RUN: -fvisibility-externs-nodllstorageclass=protected \
// RUN: -Werror \
// RUN: %s -o - 2>&1 | \
// RUN: FileCheck %s -check-prefix=ALL \
// RUN: --implicit-check-not=-fvisibility-from-dllstorageclass \
// RUN: --implicit-check-not=-fvisibility-dllexport \
// RUN: --implicit-check-not=-fvisibility-nodllstorageclass \
// RUN: --implicit-check-not=-fvisibility-externs-dllimport \
// RUN: --implicit-check-not=-fvisibility-externs-nodllstorageclass
// RUN: %clang -### -target x86_64-scei-ps4 \
// RUN: -fvisibility-from-dllstorageclass \
// RUN: -fvisibility-dllexport=default \
// RUN: -fvisibility-dllexport=hidden \
// RUN: -fvisibility-nodllstorageclass=default \
// RUN: -fvisibility-nodllstorageclass=protected \
// RUN: -fvisibility-externs-dllimport=default \
// RUN: -fvisibility-externs-dllimport=hidden \
// RUN: -fvisibility-externs-nodllstorageclass=default \
// RUN: -fvisibility-externs-nodllstorageclass=protected \
// RUN: -Werror \
// RUN: %s -o - 2>&1 | \
// RUN: FileCheck %s -check-prefix=ALL \
// RUN: --implicit-check-not=-fvisibility-from-dllstorageclass \
// RUN: --implicit-check-not=-fvisibility-dllexport \
// RUN: --implicit-check-not=-fvisibility-nodllstorageclass \
// RUN: --implicit-check-not=-fvisibility-externs-dllimport \
// RUN: --implicit-check-not=-fvisibility-externs-nodllstorageclass
// ALL: "-fvisibility-from-dllstorageclass"
// ALL-SAME: "-fvisibility-dllexport=hidden"
// ALL-SAME: "-fvisibility-nodllstorageclass=protected"
// ALL-SAME: "-fvisibility-externs-dllimport=hidden"
// ALL-SAME: "-fvisibility-externs-nodllstorageclass=protected"

87
clang/test/Driver/visibility-dllstorageclass.c
View File

@ -1,87 +0,0 @@
// Check behaviour of -fvisibility-from-dllstorageclass options
// RUN: %clang -target x86_64-unknown-windows-itanium -fdeclspec \
// RUN: -Werror -S -### %s 2>&1 | \
// RUN: FileCheck %s \
// RUN: --implicit-check-not=-fvisibility-from-dllstorageclass \
// RUN: --implicit-check-not=-fvisibility-dllexport \
// RUN: --implicit-check-not=-fvisibility-nodllstorageclass \
// RUN: --implicit-check-not=-fvisibility-externs-dllimport \
// RUN: --implicit-check-not=-fvisibility-externs-nodllstorageclass
// RUN: %clang -target x86_64-unknown-windows-itanium -fdeclspec \
// RUN: -fvisibility-from-dllstorageclass \
// RUN: -fno-visibility-from-dllstorageclass \
// RUN: -Werror -S -### %s 2>&1 | \
// RUN: FileCheck %s \
// RUN: --implicit-check-not=-fvisibility-from-dllstorageclass \
// RUN: --implicit-check-not=-fvisibility-dllexport \
// RUN: --implicit-check-not=-fvisibility-nodllstorageclass \
// RUN: --implicit-check-not=-fvisibility-externs-dllimport \
// RUN: --implicit-check-not=-fvisibility-externs-nodllstorageclass
// RUN: %clang -target x86_64-unknown-windows-itanium -fdeclspec \
// RUN: -fno-visibility-from-dllstorageclass \
// RUN: -fvisibility-from-dllstorageclass \
// RUN: -Werror -S -### %s 2>&1 | \
// RUN: FileCheck %s --check-prefix=SET \
// RUN: --implicit-check-not=-fvisibility-from-dllstorageclass \
// RUN: --implicit-check-not=-fvisibility-dllexport \
// RUN: --implicit-check-not=-fvisibility-nodllstorageclass \
// RUN: --implicit-check-not=-fvisibility-externs-dllimport \
// RUN: --implicit-check-not=-fvisibility-externs-nodllstorageclass
// RUN: %clang -target x86_64-unknown-windows-itanium -fdeclspec \
// RUN: -fvisibility-dllexport=hidden \
// RUN: -fvisibility-nodllstorageclass=protected \
// RUN: -fvisibility-externs-dllimport=hidden \
// RUN: -fvisibility-externs-nodllstorageclass=protected \
// RUN: -S -### %s 2>&1 | \
// RUN: FileCheck %s --check-prefixes=UNUSED \
// RUN: --implicit-check-not=-fvisibility-from-dllstorageclass \
// RUN: --implicit-check-not=-fvisibility-dllexport \
// RUN: --implicit-check-not=-fvisibility-nodllstorageclass \
// RUN: --implicit-check-not=-fvisibility-externs-dllimport \
// RUN: --implicit-check-not=-fvisibility-externs-nodllstorageclass \
// RUN: --implicit-check-not=error: \
// RUN: --implicit-check-not=warning:
// RUN: %clang -target x86_64-unknown-windows-itanium -fdeclspec \
// RUN: -fno-visibility-from-dllstorageclass \
// RUN: -fvisibility-dllexport=hidden \
// RUN: -fvisibility-nodllstorageclass=protected \
// RUN: -fvisibility-externs-dllimport=hidden \
// RUN: -fvisibility-externs-nodllstorageclass=protected \
// RUN: -S -### %s 2>&1 | \
// RUN: FileCheck %s --check-prefixes=UNUSED \
// RUN: --implicit-check-not=-fvisibility-from-dllstorageclass \
// RUN: --implicit-check-not=-fvisibility-dllexport \
// RUN: --implicit-check-not=-fvisibility-nodllstorageclass \
// RUN: --implicit-check-not=-fvisibility-externs-dllimport \
// RUN: --implicit-check-not=-fvisibility-externs-nodllstorageclass \
// RUN: --implicit-check-not=error: \
// RUN: --implicit-check-not=warning:
// UNUSED: clang: warning: argument unused during compilation: '-fvisibility-dllexport=hidden'
// UNUSED-NEXT: clang: warning: argument unused during compilation: '-fvisibility-nodllstorageclass=protected'
// UNUSED-NEXT: clang: warning: argument unused during compilation: '-fvisibility-externs-dllimport=hidden'
// UNUSED-NEXT: clang: warning: argument unused during compilation: '-fvisibility-externs-nodllstorageclass=protected'
// RUN: %clang -target x86_64-unknown-windows-itanium -fdeclspec \
// RUN: -fvisibility-from-dllstorageclass \
// RUN: -fvisibility-dllexport=default \
// RUN: -fvisibility-dllexport=hidden \
// RUN: -fvisibility-nodllstorageclass=default \
// RUN: -fvisibility-nodllstorageclass=protected \
// RUN: -fvisibility-externs-dllimport=default \
// RUN: -fvisibility-externs-dllimport=hidden \
// RUN: -fvisibility-externs-nodllstorageclass=default \
// RUN: -fvisibility-externs-nodllstorageclass=protected \
// RUN: -Werror -S -### %s 2>&1 | \
// RUN: FileCheck %s --check-prefixes=SET,ALL
// SET: "-fvisibility-from-dllstorageclass"
// ALL-SAME: "-fvisibility-dllexport=hidden"
// ALL-SAME: "-fvisibility-nodllstorageclass=protected"
// ALL-SAME: "-fvisibility-externs-dllimport=hidden"
// ALL-SAME: "-fvisibility-externs-nodllstorageclass=protected"