Files
clang-p2996/clang/test/CodeGenCXX/mdefault-visibility-export-mapping-rtti.cpp
David Tenty 6a8673038b Reland [clang][AIX] add option mdefault-visibility-export-mapping
The option mdefault-visibility-export-mapping is created to allow
mapping default visibility to an explicit shared library export
(e.g. dllexport). Exactly how and if this is manifested is target
dependent (since it depends on how they map dllexport in the IR).

Three values are provided for the option:

* none: the default and behavior without the option, no additional export linkage information is created.
* explicit: add the export for entities with explict default visibility from the source, including RTTI
* all: add the export for all entities with default visibility

This option is useful for targets which do not export symbols as part of
their usual default linkage behaviour (e.g. AIX), such targets
traditionally specified such information in external files (e.g. export
lists), but this mapping allows them to use the visibility information
typically used for this purpose on other (e.g. ELF) platforms.

This relands commit: 8c8a2679a2

with fixes for the compile time and assert problems that were reported
by:

* making shouldMapVisibilityToDLLExport inline and provide an early return
in the case where no mapping is in effect (aka non-AIX platforms)
* don't try to export RTTI types which we will give internal linkage to

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D126340
2022-06-13 13:43:46 -04:00

597 lines
22 KiB
C++

// RUN: %clang_cc1 -triple powerpc64-ibm-aix %s -internal-isystem %S -mdefault-visibility-export-mapping=none -S -emit-llvm -o - | \
// RUN: FileCheck -check-prefixes=CHECK,UNSPECIFIED-DEF,EXPLICIT-DEF,FUND-DEF %s
// RUN: %clang_cc1 -triple powerpc64-ibm-aix %s -internal-isystem %S -mdefault-visibility-export-mapping=explicit -S -emit-llvm -o - | \
// RUN: FileCheck -check-prefixes=CHECK,UNSPECIFIED-DEF,EXPLICIT-EXP,FUND-DEF %s
// RUN: %clang_cc1 -triple powerpc64-ibm-aix %s -internal-isystem %S -mdefault-visibility-export-mapping=explicit -DFUNDAMENTAL_IS_EXPLICIT -S -emit-llvm -o - | \
// RUN: FileCheck -check-prefixes=CHECK,UNSPECIFIED-DEF,EXPLICIT-EXP,FUND-EXP %s
// RUN: %clang_cc1 -triple powerpc64-ibm-aix %s -internal-isystem %S -mdefault-visibility-export-mapping=all -S -emit-llvm -o - | \
// RUN: FileCheck -check-prefixes=CHECK,UNSPECIFIED-EXP,EXPLICIT-EXP,FUND-EXP %s
// RUN: %clang_cc1 -triple powerpc64-ibm-aix %s -internal-isystem %S -mdefault-visibility-export-mapping=all -fvisibility hidden -S -emit-llvm -o - | \
// RUN: FileCheck -check-prefixes=CHECK,UNSPECIFIED-HID,EXPLICIT-EXP,FUND-HID %s
// RUN: %clang_cc1 -triple powerpc64-ibm-aix %s -internal-isystem %S -mdefault-visibility-export-mapping=all -DFUNDAMENTAL_IS_EXPLICIT -fvisibility hidden -S -emit-llvm -o - | \
// RUN: FileCheck -check-prefixes=CHECK,UNSPECIFIED-HID,EXPLICIT-EXP,FUND-EXP %s
#include <typeinfo>
// C is an incomplete class type, so any direct or indirect pointer types should have
// internal linkage, as should the type info for C itself.
struct C;
// CHECK: @_ZTSP1C = internal constant
// CHECK: @_ZTS1C = internal constant
// CHECK: @_ZTI1C = internal constant
// CHECK: @_ZTIP1C = internal constant
// CHECK: @_ZTSPP1C = internal constant
// CHECK: @_ZTIPP1C = internal constant
struct __attribute__((type_visibility("default"))) D;
// CHECK: @_ZTSP1D = internal constant
// CHECK: @_ZTS1D = internal constant
// CHECK: @_ZTI1D = internal constant
// CHECK: @_ZTIP1D = internal constant
// CHECK: @_ZTSPP1D = internal constant
// CHECK: @_ZTIPP1D = internal constant
void __attribute__((visibility("default"))) tfunc() {
(void)typeid(C *);
(void)typeid(C **);
(void)typeid(D *);
(void)typeid(D **);
}
// unspecified visibility RTTI & vtable
struct s {
virtual void foo();
};
void s::foo() {}
// UNSPECIFIED-DEF: @_ZTV1s = unnamed_addr constant
// UNSPECIFIED-HID: @_ZTV1s = hidden unnamed_addr constant
// UNSPECIFIED-EXP: @_ZTV1s = dllexport unnamed_addr constant
// UNSPECIFIED-DEF: @_ZTS1s = constant
// UNSPECIFIED-HID: @_ZTS1s = hidden constant
// UNSPECIFIED-EXP: @_ZTS1s = dllexport constant
// UNSPECIFIED-DEF: @_ZTI1s = constant
// UNSPECIFIED-HID: @_ZTI1s = hidden constant
// UNSPECIFIED-EXP: @_ZTI1s = dllexport constant
// explicit default visibility RTTI & vtable
struct __attribute__((type_visibility("default"))) t {
virtual void foo();
};
void t::foo() {}
// EXPLICIT-DEF: @_ZTV1t = unnamed_addr constant
// EXPLICIT-HID: @_ZTV1t = hidden unnamed_addr constant
// EXPLICIT-EXP: @_ZTV1t = dllexport unnamed_addr constant
// EXPLICIT-DEF: @_ZTS1t = constant
// EXPLICIT-HID: @_ZTS1t = hidden constant
// EXPLICIT-EXP: @_ZTS1t = dllexport constant
// EXPLICIT-DEF: @_ZTI1t = constant
// EXPLICIT-HID: @_ZTI1t = hidden constant
// EXPLICIT-EXP: @_ZTI1t = dllexport constant
#ifdef FUNDAMENTAL_IS_EXPLICIT
#define TYPE_VIS __attribute__((type_visibility("default")))
#else
#define TYPE_VIS
#endif
// Invoke the compiler magic to emit RTTI for fundamental types.
namespace __cxxabiv1 {
class TYPE_VIS __fundamental_type_info {
__attribute__((visibility("hidden"))) virtual ~__fundamental_type_info();
};
__fundamental_type_info::~__fundamental_type_info() {}
} // namespace __cxxabiv1
// __cxxabiv1::__fundamental_type_info
// FUND-DEF: @_ZTVN10__cxxabiv123__fundamental_type_infoE = unnamed_addr constant
// FUND-DEF: @_ZTSN10__cxxabiv123__fundamental_type_infoE = constant
// FUND-DEF: @_ZTIN10__cxxabiv123__fundamental_type_infoE = constant
// FUND-HID: @_ZTVN10__cxxabiv123__fundamental_type_infoE = hidden unnamed_addr constant
// FUND-HID: @_ZTSN10__cxxabiv123__fundamental_type_infoE = hidden constant
// FUND-HID: @_ZTIN10__cxxabiv123__fundamental_type_infoE = hidden constant
// FUND-EXP: @_ZTVN10__cxxabiv123__fundamental_type_infoE = dllexport unnamed_addr constant
// FUND-EXP: @_ZTSN10__cxxabiv123__fundamental_type_infoE = dllexport constant
// FUND-EXP: @_ZTIN10__cxxabiv123__fundamental_type_infoE = dllexport constant
// void
// FUND-DEF: @_ZTSv = constant
// FUND-DEF: @_ZTIv = constant
// FUND-DEF: @_ZTSPv = constant
// FUND-DEF: @_ZTIPv = constant
// FUND-DEF: @_ZTSPKv = constant
// FUND-DEF: @_ZTIPKv = constant
// FUND-HID: @_ZTSv = hidden constant
// FUND-HID: @_ZTIv = hidden constant
// FUND-HID: @_ZTSPv = hidden constant
// FUND-HID: @_ZTIPv = hidden constant
// FUND-HID: @_ZTSPKv = hidden constant
// FUND-HID: @_ZTIPKv = hidden constant
// FUND-EXP: @_ZTSv = dllexport constant
// FUND-EXP: @_ZTIv = dllexport constant
// FUND-EXP: @_ZTSPv = dllexport constant
// FUND-EXP: @_ZTIPv = dllexport constant
// FUND-EXP: @_ZTSPKv = dllexport constant
// FUND-EXP: @_ZTIPKv = dllexport constant
// std::nullptr_t
// FUND-DEF: @_ZTSDn = constant
// FUND-DEF: @_ZTIDn = constant
// FUND-DEF: @_ZTSPDn = constant
// FUND-DEF: @_ZTIPDn = constant
// FUND-DEF: @_ZTSPKDn = constant
// FUND-DEF: @_ZTIPKDn = constant
// FUND-HID: @_ZTSDn = hidden constant
// FUND-HID: @_ZTIDn = hidden constant
// FUND-HID: @_ZTSPDn = hidden constant
// FUND-HID: @_ZTIPDn = hidden constant
// FUND-HID: @_ZTSPKDn = hidden constant
// FUND-HID: @_ZTIPKDn = hidden constant
// FUND-EXP: @_ZTSDn = dllexport constant
// FUND-EXP: @_ZTIDn = dllexport constant
// FUND-EXP: @_ZTSPDn = dllexport constant
// FUND-EXP: @_ZTIPDn = dllexport constant
// FUND-EXP: @_ZTSPKDn = dllexport constant
// FUND-EXP: @_ZTIPKDn = dllexport constant
// bool
// FUND-DEF: @_ZTSb = constant
// FUND-DEF: @_ZTIb = constant
// FUND-DEF: @_ZTSPb = constant
// FUND-DEF: @_ZTIPb = constant
// FUND-DEF: @_ZTSPKb = constant
// FUND-DEF: @_ZTIPKb = constant
// FUND-HID: @_ZTSb = hidden constant
// FUND-HID: @_ZTIb = hidden constant
// FUND-HID: @_ZTSPb = hidden constant
// FUND-HID: @_ZTIPb = hidden constant
// FUND-HID: @_ZTSPKb = hidden constant
// FUND-HID: @_ZTIPKb = hidden constant
// FUND-EXP: @_ZTSb = dllexport constant
// FUND-EXP: @_ZTIb = dllexport constant
// FUND-EXP: @_ZTSPb = dllexport constant
// FUND-EXP: @_ZTIPb = dllexport constant
// FUND-EXP: @_ZTSPKb = dllexport constant
// FUND-EXP: @_ZTIPKb = dllexport constant
// wchar_t
// FUND-DEF: @_ZTSw = constant
// FUND-DEF: @_ZTIw = constant
// FUND-DEF: @_ZTSPw = constant
// FUND-DEF: @_ZTIPw = constant
// FUND-DEF: @_ZTSPKw = constant
// FUND-DEF: @_ZTIPKw = constant
// FUND-HID: @_ZTSw = hidden constant
// FUND-HID: @_ZTIw = hidden constant
// FUND-HID: @_ZTSPw = hidden constant
// FUND-HID: @_ZTIPw = hidden constant
// FUND-HID: @_ZTSPKw = hidden constant
// FUND-HID: @_ZTIPKw = hidden constant
// FUND-EXP: @_ZTSw = dllexport constant
// FUND-EXP: @_ZTIw = dllexport constant
// FUND-EXP: @_ZTSPw = dllexport constant
// FUND-EXP: @_ZTIPw = dllexport constant
// FUND-EXP: @_ZTSPKw = dllexport constant
// FUND-EXP: @_ZTIPKw = dllexport constant
// char
// FUND-DEF: @_ZTSc = constant
// FUND-DEF: @_ZTIc = constant
// FUND-DEF: @_ZTSPc = constant
// FUND-DEF: @_ZTIPc = constant
// FUND-DEF: @_ZTSPKc = constant
// FUND-DEF: @_ZTIPKc = constant
// FUND-HID: @_ZTSc = hidden constant
// FUND-HID: @_ZTIc = hidden constant
// FUND-HID: @_ZTSPc = hidden constant
// FUND-HID: @_ZTIPc = hidden constant
// FUND-HID: @_ZTSPKc = hidden constant
// FUND-HID: @_ZTIPKc = hidden constant
// FUND-EXP: @_ZTSc = dllexport constant
// FUND-EXP: @_ZTIc = dllexport constant
// FUND-EXP: @_ZTSPc = dllexport constant
// FUND-EXP: @_ZTIPc = dllexport constant
// FUND-EXP: @_ZTSPKc = dllexport constant
// FUND-EXP: @_ZTIPKc = dllexport constant
// unsigned char
// FUND-DEF: @_ZTSh = constant
// FUND-DEF: @_ZTIh = constant
// FUND-DEF: @_ZTSPh = constant
// FUND-DEF: @_ZTIPh = constant
// FUND-DEF: @_ZTSPKh = constant
// FUND-DEF: @_ZTIPKh = constant
// FUND-HID: @_ZTSh = hidden constant
// FUND-HID: @_ZTIh = hidden constant
// FUND-HID: @_ZTSPh = hidden constant
// FUND-HID: @_ZTIPh = hidden constant
// FUND-HID: @_ZTSPKh = hidden constant
// FUND-HID: @_ZTIPKh = hidden constant
// FUND-EXP: @_ZTSh = dllexport constant
// FUND-EXP: @_ZTIh = dllexport constant
// FUND-EXP: @_ZTSPh = dllexport constant
// FUND-EXP: @_ZTIPh = dllexport constant
// FUND-EXP: @_ZTSPKh = dllexport constant
// FUND-EXP: @_ZTIPKh = dllexport constant
// signed char
// FUND-DEF: @_ZTSa = constant
// FUND-DEF: @_ZTIa = constant
// FUND-DEF: @_ZTSPa = constant
// FUND-DEF: @_ZTIPa = constant
// FUND-DEF: @_ZTSPKa = constant
// FUND-DEF: @_ZTIPKa = constant
// FUND-HID: @_ZTSa = hidden constant
// FUND-HID: @_ZTIa = hidden constant
// FUND-HID: @_ZTSPa = hidden constant
// FUND-HID: @_ZTIPa = hidden constant
// FUND-HID: @_ZTSPKa = hidden constant
// FUND-HID: @_ZTIPKa = hidden constant
// FUND-EXP: @_ZTSa = dllexport constant
// FUND-EXP: @_ZTIa = dllexport constant
// FUND-EXP: @_ZTSPa = dllexport constant
// FUND-EXP: @_ZTIPa = dllexport constant
// FUND-EXP: @_ZTSPKa = dllexport constant
// FUND-EXP: @_ZTIPKa = dllexport constant
// short
// FUND-DEF: @_ZTSs = constant
// FUND-DEF: @_ZTIs = constant
// FUND-DEF: @_ZTSPs = constant
// FUND-DEF: @_ZTIPs = constant
// FUND-DEF: @_ZTSPKs = constant
// FUND-DEF: @_ZTIPKs = constant
// FUND-HID: @_ZTSs = hidden constant
// FUND-HID: @_ZTIs = hidden constant
// FUND-HID: @_ZTSPs = hidden constant
// FUND-HID: @_ZTIPs = hidden constant
// FUND-HID: @_ZTSPKs = hidden constant
// FUND-HID: @_ZTIPKs = hidden constant
// FUND-EXP: @_ZTSs = dllexport constant
// FUND-EXP: @_ZTIs = dllexport constant
// FUND-EXP: @_ZTSPs = dllexport constant
// FUND-EXP: @_ZTIPs = dllexport constant
// FUND-EXP: @_ZTSPKs = dllexport constant
// FUND-EXP: @_ZTIPKs = dllexport constant
// unsigned short
// FUND-DEF: @_ZTSt = constant
// FUND-DEF: @_ZTIt = constant
// FUND-DEF: @_ZTSPt = constant
// FUND-DEF: @_ZTIPt = constant
// FUND-DEF: @_ZTSPKt = constant
// FUND-DEF: @_ZTIPKt = constant
// FUND-HID: @_ZTSt = hidden constant
// FUND-HID: @_ZTIt = hidden constant
// FUND-HID: @_ZTSPt = hidden constant
// FUND-HID: @_ZTIPt = hidden constant
// FUND-HID: @_ZTSPKt = hidden constant
// FUND-HID: @_ZTIPKt = hidden constant
// FUND-EXP: @_ZTSt = dllexport constant
// FUND-EXP: @_ZTIt = dllexport constant
// FUND-EXP: @_ZTSPt = dllexport constant
// FUND-EXP: @_ZTIPt = dllexport constant
// FUND-EXP: @_ZTSPKt = dllexport constant
// FUND-EXP: @_ZTIPKt = dllexport constant
// int
// FUND-DEF: @_ZTSi = constant
// FUND-DEF: @_ZTIi = constant
// FUND-DEF: @_ZTSPi = constant
// FUND-DEF: @_ZTIPi = constant
// FUND-DEF: @_ZTSPKi = constant
// FUND-DEF: @_ZTIPKi = constant
// FUND-HID: @_ZTSi = hidden constant
// FUND-HID: @_ZTIi = hidden constant
// FUND-HID: @_ZTSPi = hidden constant
// FUND-HID: @_ZTIPi = hidden constant
// FUND-HID: @_ZTSPKi = hidden constant
// FUND-HID: @_ZTIPKi = hidden constant
// FUND-EXP: @_ZTSi = dllexport constant
// FUND-EXP: @_ZTIi = dllexport constant
// FUND-EXP: @_ZTSPi = dllexport constant
// FUND-EXP: @_ZTIPi = dllexport constant
// FUND-EXP: @_ZTSPKi = dllexport constant
// FUND-EXP: @_ZTIPKi = dllexport constant
// unsigned int
// FUND-DEF: @_ZTSj = constant
// FUND-DEF: @_ZTIj = constant
// FUND-DEF: @_ZTSPj = constant
// FUND-DEF: @_ZTIPj = constant
// FUND-DEF: @_ZTSPKj = constant
// FUND-DEF: @_ZTIPKj = constant
// FUND-HID: @_ZTSj = hidden constant
// FUND-HID: @_ZTIj = hidden constant
// FUND-HID: @_ZTSPj = hidden constant
// FUND-HID: @_ZTIPj = hidden constant
// FUND-HID: @_ZTSPKj = hidden constant
// FUND-HID: @_ZTIPKj = hidden constant
// FUND-EXP: @_ZTSj = dllexport constant
// FUND-EXP: @_ZTIj = dllexport constant
// FUND-EXP: @_ZTSPj = dllexport constant
// FUND-EXP: @_ZTIPj = dllexport constant
// FUND-EXP: @_ZTSPKj = dllexport constant
// FUND-EXP: @_ZTIPKj = dllexport constant
// long
// FUND-DEF: @_ZTSl = constant
// FUND-DEF: @_ZTIl = constant
// FUND-DEF: @_ZTSPl = constant
// FUND-DEF: @_ZTIPl = constant
// FUND-DEF: @_ZTSPKl = constant
// FUND-DEF: @_ZTIPKl = constant
// FUND-HID: @_ZTSl = hidden constant
// FUND-HID: @_ZTIl = hidden constant
// FUND-HID: @_ZTSPl = hidden constant
// FUND-HID: @_ZTIPl = hidden constant
// FUND-HID: @_ZTSPKl = hidden constant
// FUND-HID: @_ZTIPKl = hidden constant
// FUND-EXP: @_ZTSl = dllexport constant
// FUND-EXP: @_ZTIl = dllexport constant
// FUND-EXP: @_ZTSPl = dllexport constant
// FUND-EXP: @_ZTIPl = dllexport constant
// FUND-EXP: @_ZTSPKl = dllexport constant
// FUND-EXP: @_ZTIPKl = dllexport constant
// unsigned long
// FUND-DEF: @_ZTSm = constant
// FUND-DEF: @_ZTIm = constant
// FUND-DEF: @_ZTSPm = constant
// FUND-DEF: @_ZTIPm = constant
// FUND-DEF: @_ZTSPKm = constant
// FUND-DEF: @_ZTIPKm = constant
// FUND-HID: @_ZTSm = hidden constant
// FUND-HID: @_ZTIm = hidden constant
// FUND-HID: @_ZTSPm = hidden constant
// FUND-HID: @_ZTIPm = hidden constant
// FUND-HID: @_ZTSPKm = hidden constant
// FUND-HID: @_ZTIPKm = hidden constant
// FUND-EXP: @_ZTSm = dllexport constant
// FUND-EXP: @_ZTIm = dllexport constant
// FUND-EXP: @_ZTSPm = dllexport constant
// FUND-EXP: @_ZTIPm = dllexport constant
// FUND-EXP: @_ZTSPKm = dllexport constant
// FUND-EXP: @_ZTIPKm = dllexport constant
// long long
// FUND-DEF: @_ZTSx = constant
// FUND-DEF: @_ZTIx = constant
// FUND-DEF: @_ZTSPx = constant
// FUND-DEF: @_ZTIPx = constant
// FUND-DEF: @_ZTSPKx = constant
// FUND-DEF: @_ZTIPKx = constant
// FUND-HID: @_ZTSx = hidden constant
// FUND-HID: @_ZTIx = hidden constant
// FUND-HID: @_ZTSPx = hidden constant
// FUND-HID: @_ZTIPx = hidden constant
// FUND-HID: @_ZTSPKx = hidden constant
// FUND-HID: @_ZTIPKx = hidden constant
// FUND-EXP: @_ZTSx = dllexport constant
// FUND-EXP: @_ZTIx = dllexport constant
// FUND-EXP: @_ZTSPx = dllexport constant
// FUND-EXP: @_ZTIPx = dllexport constant
// FUND-EXP: @_ZTSPKx = dllexport constant
// FUND-EXP: @_ZTIPKx = dllexport constant
// unsigned long long
// FUND-DEF: @_ZTSy = constant
// FUND-DEF: @_ZTIy = constant
// FUND-DEF: @_ZTSPy = constant
// FUND-DEF: @_ZTIPy = constant
// FUND-DEF: @_ZTSPKy = constant
// FUND-DEF: @_ZTIPKy = constant
// FUND-HID: @_ZTSy = hidden constant
// FUND-HID: @_ZTIy = hidden constant
// FUND-HID: @_ZTSPy = hidden constant
// FUND-HID: @_ZTIPy = hidden constant
// FUND-HID: @_ZTSPKy = hidden constant
// FUND-HID: @_ZTIPKy = hidden constant
// FUND-EXP: @_ZTSy = dllexport constant
// FUND-EXP: @_ZTIy = dllexport constant
// FUND-EXP: @_ZTSPy = dllexport constant
// FUND-EXP: @_ZTIPy = dllexport constant
// FUND-EXP: @_ZTSPKy = dllexport constant
// FUND-EXP: @_ZTIPKy = dllexport constant
// __int128
// FUND-DEF: @_ZTSn = constant
// FUND-DEF: @_ZTIn = constant
// FUND-DEF: @_ZTSPn = constant
// FUND-DEF: @_ZTIPn = constant
// FUND-DEF: @_ZTSPKn = constant
// FUND-DEF: @_ZTIPKn = constant
// FUND-HID: @_ZTSn = hidden constant
// FUND-HID: @_ZTIn = hidden constant
// FUND-HID: @_ZTSPn = hidden constant
// FUND-HID: @_ZTIPn = hidden constant
// FUND-HID: @_ZTSPKn = hidden constant
// FUND-HID: @_ZTIPKn = hidden constant
// FUND-EXP: @_ZTSn = dllexport constant
// FUND-EXP: @_ZTIn = dllexport constant
// FUND-EXP: @_ZTSPn = dllexport constant
// FUND-EXP: @_ZTIPn = dllexport constant
// FUND-EXP: @_ZTSPKn = dllexport constant
// FUND-EXP: @_ZTIPKn = dllexport constant
// unsigned __int128
// FUND-DEF: @_ZTSo = constant
// FUND-DEF: @_ZTIo = constant
// FUND-DEF: @_ZTSPo = constant
// FUND-DEF: @_ZTIPo = constant
// FUND-DEF: @_ZTSPKo = constant
// FUND-DEF: @_ZTIPKo = constant
// FUND-HID: @_ZTSo = hidden constant
// FUND-HID: @_ZTIo = hidden constant
// FUND-HID: @_ZTSPo = hidden constant
// FUND-HID: @_ZTIPo = hidden constant
// FUND-HID: @_ZTSPKo = hidden constant
// FUND-HID: @_ZTIPKo = hidden constant
// FUND-EXP: @_ZTSo = dllexport constant
// FUND-EXP: @_ZTIo = dllexport constant
// FUND-EXP: @_ZTSPo = dllexport constant
// FUND-EXP: @_ZTIPo = dllexport constant
// FUND-EXP: @_ZTSPKo = dllexport constant
// FUND-EXP: @_ZTIPKo = dllexport constant
// half
// FUND-DEF: @_ZTSDh = constant
// FUND-DEF: @_ZTIDh = constant
// FUND-DEF: @_ZTSPDh = constant
// FUND-DEF: @_ZTIPDh = constant
// FUND-DEF: @_ZTSPKDh = constant
// FUND-DEF: @_ZTIPKDh = constant
// FUND-HID: @_ZTSDh = hidden constant
// FUND-HID: @_ZTIDh = hidden constant
// FUND-HID: @_ZTSPDh = hidden constant
// FUND-HID: @_ZTIPDh = hidden constant
// FUND-HID: @_ZTSPKDh = hidden constant
// FUND-HID: @_ZTIPKDh = hidden constant
// FUND-EXP: @_ZTSDh = dllexport constant
// FUND-EXP: @_ZTIDh = dllexport constant
// FUND-EXP: @_ZTSPDh = dllexport constant
// FUND-EXP: @_ZTIPDh = dllexport constant
// FUND-EXP: @_ZTSPKDh = dllexport constant
// FUND-EXP: @_ZTIPKDh = dllexport constant
// float
// FUND-DEF: @_ZTSf = constant
// FUND-DEF: @_ZTIf = constant
// FUND-DEF: @_ZTSPf = constant
// FUND-DEF: @_ZTIPf = constant
// FUND-DEF: @_ZTSPKf = constant
// FUND-DEF: @_ZTIPKf = constant
// FUND-HID: @_ZTSf = hidden constant
// FUND-HID: @_ZTIf = hidden constant
// FUND-HID: @_ZTSPf = hidden constant
// FUND-HID: @_ZTIPf = hidden constant
// FUND-HID: @_ZTSPKf = hidden constant
// FUND-HID: @_ZTIPKf = hidden constant
// FUND-EXP: @_ZTSf = dllexport constant
// FUND-EXP: @_ZTIf = dllexport constant
// FUND-EXP: @_ZTSPf = dllexport constant
// FUND-EXP: @_ZTIPf = dllexport constant
// FUND-EXP: @_ZTSPKf = dllexport constant
// FUND-EXP: @_ZTIPKf = dllexport constant
// double
// FUND-DEF: @_ZTSd = constant
// FUND-DEF: @_ZTId = constant
// FUND-DEF: @_ZTSPd = constant
// FUND-DEF: @_ZTIPd = constant
// FUND-DEF: @_ZTSPKd = constant
// FUND-DEF: @_ZTIPKd = constant
// FUND-HID: @_ZTSd = hidden constant
// FUND-HID: @_ZTId = hidden constant
// FUND-HID: @_ZTSPd = hidden constant
// FUND-HID: @_ZTIPd = hidden constant
// FUND-HID: @_ZTSPKd = hidden constant
// FUND-HID: @_ZTIPKd = hidden constant
// FUND-EXP: @_ZTSd = dllexport constant
// FUND-EXP: @_ZTId = dllexport constant
// FUND-EXP: @_ZTSPd = dllexport constant
// FUND-EXP: @_ZTIPd = dllexport constant
// FUND-EXP: @_ZTSPKd = dllexport constant
// FUND-EXP: @_ZTIPKd = dllexport constant
// long double
// FUND-DEF: @_ZTSe = constant
// FUND-DEF: @_ZTIe = constant
// FUND-DEF: @_ZTSPe = constant
// FUND-DEF: @_ZTIPe = constant
// FUND-DEF: @_ZTSPKe = constant
// FUND-DEF: @_ZTIPKe = constant
// FUND-HID: @_ZTSe = hidden constant
// FUND-HID: @_ZTIe = hidden constant
// FUND-HID: @_ZTSPe = hidden constant
// FUND-HID: @_ZTIPe = hidden constant
// FUND-HID: @_ZTSPKe = hidden constant
// FUND-HID: @_ZTIPKe = hidden constant
// FUND-EXP: @_ZTSe = dllexport constant
// FUND-EXP: @_ZTIe = dllexport constant
// FUND-EXP: @_ZTSPe = dllexport constant
// FUND-EXP: @_ZTIPe = dllexport constant
// FUND-EXP: @_ZTSPKe = dllexport constant
// FUND-EXP: @_ZTIPKe = dllexport constant
// __ieee128
// FUND-DEF: @_ZTSu9__ieee128 = constant
// FUND-DEF: @_ZTIu9__ieee128 = constant
// FUND-DEF: @_ZTSPu9__ieee128 = constant
// FUND-DEF: @_ZTIPu9__ieee128 = constant
// FUND-DEF: @_ZTSPKu9__ieee128 = constant
// FUND-DEF: @_ZTIPKu9__ieee128 = constant
// FUND-HID: @_ZTSu9__ieee128 = hidden constant
// FUND-HID: @_ZTIu9__ieee128 = hidden constant
// FUND-HID: @_ZTSPu9__ieee128 = hidden constant
// FUND-HID: @_ZTIPu9__ieee128 = hidden constant
// FUND-HID: @_ZTSPKu9__ieee128 = hidden constant
// FUND-HID: @_ZTIPKu9__ieee128 = hidden constant
// FUND-EXP: @_ZTSu9__ieee128 = dllexport constant
// FUND-EXP: @_ZTIu9__ieee128 = dllexport constant
// FUND-EXP: @_ZTSPu9__ieee128 = dllexport constant
// FUND-EXP: @_ZTIPu9__ieee128 = dllexport constant
// FUND-EXP: @_ZTSPKu9__ieee128 = dllexport constant
// FUND-EXP: @_ZTIPKu9__ieee128 = dllexport constant
// char8_t
// FUND-DEF: @_ZTSDu = constant
// FUND-DEF: @_ZTIDu = constant
// FUND-DEF: @_ZTSPDu = constant
// FUND-DEF: @_ZTIPDu = constant
// FUND-DEF: @_ZTSPKDu = constant
// FUND-DEF: @_ZTIPKDu = constant
// FUND-HID: @_ZTSDu = hidden constant
// FUND-HID: @_ZTIDu = hidden constant
// FUND-HID: @_ZTSPDu = hidden constant
// FUND-HID: @_ZTIPDu = hidden constant
// FUND-HID: @_ZTSPKDu = hidden constant
// FUND-HID: @_ZTIPKDu = hidden constant
// FUND-EXP: @_ZTSDu = dllexport constant
// FUND-EXP: @_ZTIDu = dllexport constant
// FUND-EXP: @_ZTSPDu = dllexport constant
// FUND-EXP: @_ZTIPDu = dllexport constant
// FUND-EXP: @_ZTSPKDu = dllexport constant
// FUND-EXP: @_ZTIPKDu = dllexport constant
// char16_t
// FUND-DEF: @_ZTSDs = constant
// FUND-DEF: @_ZTIDs = constant
// FUND-DEF: @_ZTSPDs = constant
// FUND-DEF: @_ZTIPDs = constant
// FUND-DEF: @_ZTSPKDs = constant
// FUND-DEF: @_ZTIPKDs = constant
// FUND-HID: @_ZTSDs = hidden constant
// FUND-HID: @_ZTIDs = hidden constant
// FUND-HID: @_ZTSPDs = hidden constant
// FUND-HID: @_ZTIPDs = hidden constant
// FUND-HID: @_ZTSPKDs = hidden constant
// FUND-HID: @_ZTIPKDs = hidden constant
// FUND-EXP: @_ZTSDs = dllexport constant
// FUND-EXP: @_ZTIDs = dllexport constant
// FUND-EXP: @_ZTSPDs = dllexport constant
// FUND-EXP: @_ZTIPDs = dllexport constant
// FUND-EXP: @_ZTSPKDs = dllexport constant
// FUND-EXP: @_ZTIPKDs = dllexport constant
// char32_t
// FUND-DEF: @_ZTSDi = constant
// FUND-DEF: @_ZTIDi = constant
// FUND-DEF: @_ZTSPDi = constant
// FUND-DEF: @_ZTIPDi = constant
// FUND-DEF: @_ZTSPKDi = constant
// FUND-DEF: @_ZTIPKDi = constant
// FUND-HID: @_ZTSDi = hidden constant
// FUND-HID: @_ZTIDi = hidden constant
// FUND-HID: @_ZTSPDi = hidden constant
// FUND-HID: @_ZTIPDi = hidden constant
// FUND-HID: @_ZTSPKDi = hidden constant
// FUND-HID: @_ZTIPKDi = hidden constant
// FUND-EXP: @_ZTSDi = dllexport constant
// FUND-EXP: @_ZTIDi = dllexport constant
// FUND-EXP: @_ZTSPDi = dllexport constant
// FUND-EXP: @_ZTIPDi = dllexport constant
// FUND-EXP: @_ZTSPKDi = dllexport constant
// FUND-EXP: @_ZTIPKDi = dllexport constant