Compilation issue with template trick on MSVC

[merryhime]

The template trick depends on MSVC recognising and being able to inline everything.
If MSVC isn't able to do this or if optimizations are disabled, this produces a link time error.

e.g. https://godbolt.org/z/7e83PM9MP

example.cpp
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<0,0> const Xbyak::util::Cpu::NONE" (?NONE@Cpu@util@Xbyak@@2U?$TypeT@$0A@$0A@@local@23@B) referenced in function "public: __cdecl Xbyak::util::Cpu::Cpu(void)" (??0Cpu@util@Xbyak@@QEAA@XZ)
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<1,0> const Xbyak::util::Cpu::tMMX" (?tMMX@Cpu@util@Xbyak@@2U?$TypeT@$00$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<2,0> const Xbyak::util::Cpu::tMMX2" (?tMMX2@Cpu@util@Xbyak@@2U?$TypeT@$01$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<4,0> const Xbyak::util::Cpu::tCMOV" (?tCMOV@Cpu@util@Xbyak@@2U?$TypeT@$03$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<8,0> const Xbyak::util::Cpu::tSSE" (?tSSE@Cpu@util@Xbyak@@2U?$TypeT@$07$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<16,0> const Xbyak::util::Cpu::tSSE2" (?tSSE2@Cpu@util@Xbyak@@2U?$TypeT@$0BA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<32,0> const Xbyak::util::Cpu::tSSE3" (?tSSE3@Cpu@util@Xbyak@@2U?$TypeT@$0CA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<64,0> const Xbyak::util::Cpu::tSSSE3" (?tSSSE3@Cpu@util@Xbyak@@2U?$TypeT@$0EA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<128,0> const Xbyak::util::Cpu::tSSE41" (?tSSE41@Cpu@util@Xbyak@@2U?$TypeT@$0IA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<256,0> const Xbyak::util::Cpu::tSSE42" (?tSSE42@Cpu@util@Xbyak@@2U?$TypeT@$0BAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<512,0> const Xbyak::util::Cpu::tPOPCNT" (?tPOPCNT@Cpu@util@Xbyak@@2U?$TypeT@$0CAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<1024,0> const Xbyak::util::Cpu::tAESNI" (?tAESNI@Cpu@util@Xbyak@@2U?$TypeT@$0EAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<2048,0> const Xbyak::util::Cpu::tAVX512_FP16" (?tAVX512_FP16@Cpu@util@Xbyak@@2U?$TypeT@$0IAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<4096,0> const Xbyak::util::Cpu::tOSXSAVE" (?tOSXSAVE@Cpu@util@Xbyak@@2U?$TypeT@$0BAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<8192,0> const Xbyak::util::Cpu::tPCLMULQDQ" (?tPCLMULQDQ@Cpu@util@Xbyak@@2U?$TypeT@$0CAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<16384,0> const Xbyak::util::Cpu::tAVX" (?tAVX@Cpu@util@Xbyak@@2U?$TypeT@$0EAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<32768,0> const Xbyak::util::Cpu::tFMA" (?tFMA@Cpu@util@Xbyak@@2U?$TypeT@$0IAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<65536,0> const Xbyak::util::Cpu::t3DN" (?t3DN@Cpu@util@Xbyak@@2U?$TypeT@$0BAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<131072,0> const Xbyak::util::Cpu::tE3DN" (?tE3DN@Cpu@util@Xbyak@@2U?$TypeT@$0CAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<262144,0> const Xbyak::util::Cpu::tWAITPKG" (?tWAITPKG@Cpu@util@Xbyak@@2U?$TypeT@$0EAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<524288,0> const Xbyak::util::Cpu::tRDTSCP" (?tRDTSCP@Cpu@util@Xbyak@@2U?$TypeT@$0IAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<1048576,0> const Xbyak::util::Cpu::tAVX2" (?tAVX2@Cpu@util@Xbyak@@2U?$TypeT@$0BAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<2097152,0> const Xbyak::util::Cpu::tBMI1" (?tBMI1@Cpu@util@Xbyak@@2U?$TypeT@$0CAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<4194304,0> const Xbyak::util::Cpu::tBMI2" (?tBMI2@Cpu@util@Xbyak@@2U?$TypeT@$0EAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<8388608,0> const Xbyak::util::Cpu::tLZCNT" (?tLZCNT@Cpu@util@Xbyak@@2U?$TypeT@$0IAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<16777216,0> const Xbyak::util::Cpu::tINTEL" (?tINTEL@Cpu@util@Xbyak@@2U?$TypeT@$0BAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<33554432,0> const Xbyak::util::Cpu::tAMD" (?tAMD@Cpu@util@Xbyak@@2U?$TypeT@$0CAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<67108864,0> const Xbyak::util::Cpu::tENHANCED_REP" (?tENHANCED_REP@Cpu@util@Xbyak@@2U?$TypeT@$0EAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<134217728,0> const Xbyak::util::Cpu::tRDRAND" (?tRDRAND@Cpu@util@Xbyak@@2U?$TypeT@$0IAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<268435456,0> const Xbyak::util::Cpu::tADX" (?tADX@Cpu@util@Xbyak@@2U?$TypeT@$0BAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<536870912,0> const Xbyak::util::Cpu::tRDSEED" (?tRDSEED@Cpu@util@Xbyak@@2U?$TypeT@$0CAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<1073741824,0> const Xbyak::util::Cpu::tSMAP" (?tSMAP@Cpu@util@Xbyak@@2U?$TypeT@$0EAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<2147483648,0> const Xbyak::util::Cpu::tHLE" (?tHLE@Cpu@util@Xbyak@@2U?$TypeT@$0IAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<4294967296,0> const Xbyak::util::Cpu::tRTM" (?tRTM@Cpu@util@Xbyak@@2U?$TypeT@$0BAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<8589934592,0> const Xbyak::util::Cpu::tF16C" (?tF16C@Cpu@util@Xbyak@@2U?$TypeT@$0CAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<17179869184,0> const Xbyak::util::Cpu::tMOVBE" (?tMOVBE@Cpu@util@Xbyak@@2U?$TypeT@$0EAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<34359738368,0> const Xbyak::util::Cpu::tAVX512F" (?tAVX512F@Cpu@util@Xbyak@@2U?$TypeT@$0IAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<68719476736,0> const Xbyak::util::Cpu::tAVX512DQ" (?tAVX512DQ@Cpu@util@Xbyak@@2U?$TypeT@$0BAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<137438953472,0> const Xbyak::util::Cpu::tAVX512_IFMA" (?tAVX512_IFMA@Cpu@util@Xbyak@@2U?$TypeT@$0CAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<137438953472,0> const Xbyak::util::Cpu::tAVX512IFMA" (?tAVX512IFMA@Cpu@util@Xbyak@@2U?$TypeT@$0CAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<274877906944,0> const Xbyak::util::Cpu::tAVX512PF" (?tAVX512PF@Cpu@util@Xbyak@@2U?$TypeT@$0EAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<549755813888,0> const Xbyak::util::Cpu::tAVX512ER" (?tAVX512ER@Cpu@util@Xbyak@@2U?$TypeT@$0IAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<1099511627776,0> const Xbyak::util::Cpu::tAVX512CD" (?tAVX512CD@Cpu@util@Xbyak@@2U?$TypeT@$0BAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<2199023255552,0> const Xbyak::util::Cpu::tAVX512BW" (?tAVX512BW@Cpu@util@Xbyak@@2U?$TypeT@$0CAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<4398046511104,0> const Xbyak::util::Cpu::tAVX512VL" (?tAVX512VL@Cpu@util@Xbyak@@2U?$TypeT@$0EAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<8796093022208,0> const Xbyak::util::Cpu::tAVX512_VBMI" (?tAVX512_VBMI@Cpu@util@Xbyak@@2U?$TypeT@$0IAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<8796093022208,0> const Xbyak::util::Cpu::tAVX512VBMI" (?tAVX512VBMI@Cpu@util@Xbyak@@2U?$TypeT@$0IAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<17592186044416,0> const Xbyak::util::Cpu::tAVX512_4VNNIW" (?tAVX512_4VNNIW@Cpu@util@Xbyak@@2U?$TypeT@$0BAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<35184372088832,0> const Xbyak::util::Cpu::tAVX512_4FMAPS" (?tAVX512_4FMAPS@Cpu@util@Xbyak@@2U?$TypeT@$0CAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<70368744177664,0> const Xbyak::util::Cpu::tPREFETCHWT1" (?tPREFETCHWT1@Cpu@util@Xbyak@@2U?$TypeT@$0EAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<140737488355328,0> const Xbyak::util::Cpu::tPREFETCHW" (?tPREFETCHW@Cpu@util@Xbyak@@2U?$TypeT@$0IAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<281474976710656,0> const Xbyak::util::Cpu::tSHA" (?tSHA@Cpu@util@Xbyak@@2U?$TypeT@$0BAAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<562949953421312,0> const Xbyak::util::Cpu::tMPX" (?tMPX@Cpu@util@Xbyak@@2U?$TypeT@$0CAAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<1125899906842624,0> const Xbyak::util::Cpu::tAVX512_VBMI2" (?tAVX512_VBMI2@Cpu@util@Xbyak@@2U?$TypeT@$0EAAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<2251799813685248,0> const Xbyak::util::Cpu::tGFNI" (?tGFNI@Cpu@util@Xbyak@@2U?$TypeT@$0IAAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<4503599627370496,0> const Xbyak::util::Cpu::tVAES" (?tVAES@Cpu@util@Xbyak@@2U?$TypeT@$0BAAAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<9007199254740992,0> const Xbyak::util::Cpu::tVPCLMULQDQ" (?tVPCLMULQDQ@Cpu@util@Xbyak@@2U?$TypeT@$0CAAAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<18014398509481984,0> const Xbyak::util::Cpu::tAVX512_VNNI" (?tAVX512_VNNI@Cpu@util@Xbyak@@2U?$TypeT@$0EAAAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<36028797018963968,0> const Xbyak::util::Cpu::tAVX512_BITALG" (?tAVX512_BITALG@Cpu@util@Xbyak@@2U?$TypeT@$0IAAAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<72057594037927936,0> const Xbyak::util::Cpu::tAVX512_VPOPCNTDQ" (?tAVX512_VPOPCNTDQ@Cpu@util@Xbyak@@2U?$TypeT@$0BAAAAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<144115188075855872,0> const Xbyak::util::Cpu::tAVX512_BF16" (?tAVX512_BF16@Cpu@util@Xbyak@@2U?$TypeT@$0CAAAAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<288230376151711744,0> const Xbyak::util::Cpu::tAVX512_VP2INTERSECT" (?tAVX512_VP2INTERSECT@Cpu@util@Xbyak@@2U?$TypeT@$0EAAAAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<576460752303423488,0> const Xbyak::util::Cpu::tAMX_TILE" (?tAMX_TILE@Cpu@util@Xbyak@@2U?$TypeT@$0IAAAAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<1152921504606846976,0> const Xbyak::util::Cpu::tAMX_INT8" (?tAMX_INT8@Cpu@util@Xbyak@@2U?$TypeT@$0BAAAAAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<2305843009213693952,0> const Xbyak::util::Cpu::tAMX_BF16" (?tAMX_BF16@Cpu@util@Xbyak@@2U?$TypeT@$0CAAAAAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<4611686018427387904,0> const Xbyak::util::Cpu::tAVX_VNNI" (?tAVX_VNNI@Cpu@util@Xbyak@@2U?$TypeT@$0EAAAAAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<-9223372036854775808,0> const Xbyak::util::Cpu::tCLFLUSHOPT" (?tCLFLUSHOPT@Cpu@util@Xbyak@@2U?$TypeT@$0?IAAAAAAAAAAAAAAA@$0A@@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<0,1> const Xbyak::util::Cpu::tCLDEMOTE" (?tCLDEMOTE@Cpu@util@Xbyak@@2U?$TypeT@$0A@$00@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<0,2> const Xbyak::util::Cpu::tMOVDIRI" (?tMOVDIRI@Cpu@util@Xbyak@@2U?$TypeT@$0A@$01@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<0,4> const Xbyak::util::Cpu::tMOVDIR64B" (?tMOVDIR64B@Cpu@util@Xbyak@@2U?$TypeT@$0A@$03@local@23@B) referenced in function main
output.s.obj : error LNK2019: unresolved external symbol "public: static struct Xbyak::util::local::TypeT<0,8> const Xbyak::util::Cpu::tCLZERO" (?tCLZERO@Cpu@util@Xbyak@@2U?$TypeT@$0A@$07@local@23@B) referenced in function main

[herumi]

Thank you for the report.
How about this patch ?

[merryhime]

That works, yes.

[herumi]

I've released version 6.60.1