//===------ SemaX86.cpp ---------- X86 target-specific routines -----------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This file implements semantic analysis functions specific to X86. // //===----------------------------------------------------------------------===// #include "clang/Sema/SemaX86.h" #include "clang/Basic/DiagnosticSema.h" #include "clang/Basic/TargetBuiltins.h" #include "clang/Sema/Attr.h" #include "clang/Sema/ParsedAttr.h" #include "clang/Sema/Sema.h" #include "llvm/ADT/APSInt.h" #include "llvm/TargetParser/Triple.h" #include namespace clang { SemaX86::SemaX86(Sema &S) : SemaBase(S) {} // Check if the rounding mode is legal. bool SemaX86::CheckBuiltinRoundingOrSAE(unsigned BuiltinID, CallExpr *TheCall) { // Indicates if this instruction has rounding control or just SAE. bool HasRC = false; unsigned ArgNum = 0; switch (BuiltinID) { default: return false; case X86::BI__builtin_ia32_vcvttsd2si32: case X86::BI__builtin_ia32_vcvttsd2si64: case X86::BI__builtin_ia32_vcvttsd2usi32: case X86::BI__builtin_ia32_vcvttsd2usi64: case X86::BI__builtin_ia32_vcvttss2si32: case X86::BI__builtin_ia32_vcvttss2si64: case X86::BI__builtin_ia32_vcvttss2usi32: case X86::BI__builtin_ia32_vcvttss2usi64: case X86::BI__builtin_ia32_vcvttsh2si32: case X86::BI__builtin_ia32_vcvttsh2si64: case X86::BI__builtin_ia32_vcvttsh2usi32: case X86::BI__builtin_ia32_vcvttsh2usi64: ArgNum = 1; break; case X86::BI__builtin_ia32_maxpd512: case X86::BI__builtin_ia32_maxps512: case X86::BI__builtin_ia32_minpd512: case X86::BI__builtin_ia32_minps512: case X86::BI__builtin_ia32_maxph512: case X86::BI__builtin_ia32_minph512: ArgNum = 2; break; case X86::BI__builtin_ia32_vcvtph2pd512_mask: case X86::BI__builtin_ia32_vcvtph2psx512_mask: case X86::BI__builtin_ia32_cvtps2pd512_mask: case X86::BI__builtin_ia32_cvttpd2dq512_mask: case X86::BI__builtin_ia32_cvttpd2qq512_mask: case X86::BI__builtin_ia32_cvttpd2udq512_mask: case X86::BI__builtin_ia32_cvttpd2uqq512_mask: case X86::BI__builtin_ia32_cvttps2dq512_mask: case X86::BI__builtin_ia32_cvttps2qq512_mask: case X86::BI__builtin_ia32_cvttps2udq512_mask: case X86::BI__builtin_ia32_cvttps2uqq512_mask: case X86::BI__builtin_ia32_vcvttph2w512_mask: case X86::BI__builtin_ia32_vcvttph2uw512_mask: case X86::BI__builtin_ia32_vcvttph2dq512_mask: case X86::BI__builtin_ia32_vcvttph2udq512_mask: case X86::BI__builtin_ia32_vcvttph2qq512_mask: case X86::BI__builtin_ia32_vcvttph2uqq512_mask: case X86::BI__builtin_ia32_getexppd512_mask: case X86::BI__builtin_ia32_getexpps512_mask: case X86::BI__builtin_ia32_getexpph512_mask: case X86::BI__builtin_ia32_vcomisd: case X86::BI__builtin_ia32_vcomiss: case X86::BI__builtin_ia32_vcomish: case X86::BI__builtin_ia32_vcvtph2ps512_mask: ArgNum = 3; break; case X86::BI__builtin_ia32_cmppd512_mask: case X86::BI__builtin_ia32_cmpps512_mask: case X86::BI__builtin_ia32_cmpsd_mask: case X86::BI__builtin_ia32_cmpss_mask: case X86::BI__builtin_ia32_cmpsh_mask: case X86::BI__builtin_ia32_vcvtsh2sd_round_mask: case X86::BI__builtin_ia32_vcvtsh2ss_round_mask: case X86::BI__builtin_ia32_cvtss2sd_round_mask: case X86::BI__builtin_ia32_getexpsd128_round_mask: case X86::BI__builtin_ia32_getexpss128_round_mask: case X86::BI__builtin_ia32_getexpsh128_round_mask: case X86::BI__builtin_ia32_getmantpd512_mask: case X86::BI__builtin_ia32_getmantps512_mask: case X86::BI__builtin_ia32_getmantph512_mask: case X86::BI__builtin_ia32_maxsd_round_mask: case X86::BI__builtin_ia32_maxss_round_mask: case X86::BI__builtin_ia32_maxsh_round_mask: case X86::BI__builtin_ia32_minsd_round_mask: case X86::BI__builtin_ia32_minss_round_mask: case X86::BI__builtin_ia32_minsh_round_mask: case X86::BI__builtin_ia32_reducepd512_mask: case X86::BI__builtin_ia32_reduceps512_mask: case X86::BI__builtin_ia32_reduceph512_mask: case X86::BI__builtin_ia32_rndscalepd_mask: case X86::BI__builtin_ia32_rndscaleps_mask: case X86::BI__builtin_ia32_rndscaleph_mask: ArgNum = 4; break; case X86::BI__builtin_ia32_fixupimmpd512_mask: case X86::BI__builtin_ia32_fixupimmpd512_maskz: case X86::BI__builtin_ia32_fixupimmps512_mask: case X86::BI__builtin_ia32_fixupimmps512_maskz: case X86::BI__builtin_ia32_fixupimmsd_mask: case X86::BI__builtin_ia32_fixupimmsd_maskz: case X86::BI__builtin_ia32_fixupimmss_mask: case X86::BI__builtin_ia32_fixupimmss_maskz: case X86::BI__builtin_ia32_getmantsd_round_mask: case X86::BI__builtin_ia32_getmantss_round_mask: case X86::BI__builtin_ia32_getmantsh_round_mask: case X86::BI__builtin_ia32_rangepd512_mask: case X86::BI__builtin_ia32_rangeps512_mask: case X86::BI__builtin_ia32_rangesd128_round_mask: case X86::BI__builtin_ia32_rangess128_round_mask: case X86::BI__builtin_ia32_reducesd_mask: case X86::BI__builtin_ia32_reducess_mask: case X86::BI__builtin_ia32_reducesh_mask: case X86::BI__builtin_ia32_rndscalesd_round_mask: case X86::BI__builtin_ia32_rndscaless_round_mask: case X86::BI__builtin_ia32_rndscalesh_round_mask: ArgNum = 5; break; case X86::BI__builtin_ia32_vcvtsd2si64: case X86::BI__builtin_ia32_vcvtsd2si32: case X86::BI__builtin_ia32_vcvtsd2usi32: case X86::BI__builtin_ia32_vcvtsd2usi64: case X86::BI__builtin_ia32_vcvtss2si32: case X86::BI__builtin_ia32_vcvtss2si64: case X86::BI__builtin_ia32_vcvtss2usi32: case X86::BI__builtin_ia32_vcvtss2usi64: case X86::BI__builtin_ia32_vcvtsh2si32: case X86::BI__builtin_ia32_vcvtsh2si64: case X86::BI__builtin_ia32_vcvtsh2usi32: case X86::BI__builtin_ia32_vcvtsh2usi64: case X86::BI__builtin_ia32_sqrtpd512: case X86::BI__builtin_ia32_sqrtps512: case X86::BI__builtin_ia32_sqrtph512: ArgNum = 1; HasRC = true; break; case X86::BI__builtin_ia32_addph512: case X86::BI__builtin_ia32_divph512: case X86::BI__builtin_ia32_mulph512: case X86::BI__builtin_ia32_subph512: case X86::BI__builtin_ia32_addpd512: case X86::BI__builtin_ia32_addps512: case X86::BI__builtin_ia32_divpd512: case X86::BI__builtin_ia32_divps512: case X86::BI__builtin_ia32_mulpd512: case X86::BI__builtin_ia32_mulps512: case X86::BI__builtin_ia32_subpd512: case X86::BI__builtin_ia32_subps512: case X86::BI__builtin_ia32_cvtsi2sd64: case X86::BI__builtin_ia32_cvtsi2ss32: case X86::BI__builtin_ia32_cvtsi2ss64: case X86::BI__builtin_ia32_cvtusi2sd64: case X86::BI__builtin_ia32_cvtusi2ss32: case X86::BI__builtin_ia32_cvtusi2ss64: case X86::BI__builtin_ia32_vcvtusi2sh: case X86::BI__builtin_ia32_vcvtusi642sh: case X86::BI__builtin_ia32_vcvtsi2sh: case X86::BI__builtin_ia32_vcvtsi642sh: ArgNum = 2; HasRC = true; break; case X86::BI__builtin_ia32_cvtdq2ps512_mask: case X86::BI__builtin_ia32_cvtudq2ps512_mask: case X86::BI__builtin_ia32_vcvtpd2ph512_mask: case X86::BI__builtin_ia32_vcvtps2phx512_mask: case X86::BI__builtin_ia32_cvtpd2ps512_mask: case X86::BI__builtin_ia32_cvtpd2dq512_mask: case X86::BI__builtin_ia32_cvtpd2qq512_mask: case X86::BI__builtin_ia32_cvtpd2udq512_mask: case X86::BI__builtin_ia32_cvtpd2uqq512_mask: case X86::BI__builtin_ia32_cvtps2dq512_mask: case X86::BI__builtin_ia32_cvtps2qq512_mask: case X86::BI__builtin_ia32_cvtps2udq512_mask: case X86::BI__builtin_ia32_cvtps2uqq512_mask: case X86::BI__builtin_ia32_cvtqq2pd512_mask: case X86::BI__builtin_ia32_cvtqq2ps512_mask: case X86::BI__builtin_ia32_cvtuqq2pd512_mask: case X86::BI__builtin_ia32_cvtuqq2ps512_mask: case X86::BI__builtin_ia32_vcvtdq2ph512_mask: case X86::BI__builtin_ia32_vcvtudq2ph512_mask: case X86::BI__builtin_ia32_vcvtw2ph512_mask: case X86::BI__builtin_ia32_vcvtuw2ph512_mask: case X86::BI__builtin_ia32_vcvtph2w512_mask: case X86::BI__builtin_ia32_vcvtph2uw512_mask: case X86::BI__builtin_ia32_vcvtph2dq512_mask: case X86::BI__builtin_ia32_vcvtph2udq512_mask: case X86::BI__builtin_ia32_vcvtph2qq512_mask: case X86::BI__builtin_ia32_vcvtph2uqq512_mask: case X86::BI__builtin_ia32_vcvtqq2ph512_mask: case X86::BI__builtin_ia32_vcvtuqq2ph512_mask: ArgNum = 3; HasRC = true; break; case X86::BI__builtin_ia32_addsh_round_mask: case X86::BI__builtin_ia32_addss_round_mask: case X86::BI__builtin_ia32_addsd_round_mask: case X86::BI__builtin_ia32_divsh_round_mask: case X86::BI__builtin_ia32_divss_round_mask: case X86::BI__builtin_ia32_divsd_round_mask: case X86::BI__builtin_ia32_mulsh_round_mask: case X86::BI__builtin_ia32_mulss_round_mask: case X86::BI__builtin_ia32_mulsd_round_mask: case X86::BI__builtin_ia32_subsh_round_mask: case X86::BI__builtin_ia32_subss_round_mask: case X86::BI__builtin_ia32_subsd_round_mask: case X86::BI__builtin_ia32_scalefph512_mask: case X86::BI__builtin_ia32_scalefpd512_mask: case X86::BI__builtin_ia32_scalefps512_mask: case X86::BI__builtin_ia32_scalefsd_round_mask: case X86::BI__builtin_ia32_scalefss_round_mask: case X86::BI__builtin_ia32_scalefsh_round_mask: case X86::BI__builtin_ia32_cvtsd2ss_round_mask: case X86::BI__builtin_ia32_vcvtss2sh_round_mask: case X86::BI__builtin_ia32_vcvtsd2sh_round_mask: case X86::BI__builtin_ia32_sqrtsd_round_mask: case X86::BI__builtin_ia32_sqrtss_round_mask: case X86::BI__builtin_ia32_sqrtsh_round_mask: case X86::BI__builtin_ia32_vfmaddsd3_mask: case X86::BI__builtin_ia32_vfmaddsd3_maskz: case X86::BI__builtin_ia32_vfmaddsd3_mask3: case X86::BI__builtin_ia32_vfmaddss3_mask: case X86::BI__builtin_ia32_vfmaddss3_maskz: case X86::BI__builtin_ia32_vfmaddss3_mask3: case X86::BI__builtin_ia32_vfmaddsh3_mask: case X86::BI__builtin_ia32_vfmaddsh3_maskz: case X86::BI__builtin_ia32_vfmaddsh3_mask3: case X86::BI__builtin_ia32_vfmaddpd512_mask: case X86::BI__builtin_ia32_vfmaddpd512_maskz: case X86::BI__builtin_ia32_vfmaddpd512_mask3: case X86::BI__builtin_ia32_vfmsubpd512_mask3: case X86::BI__builtin_ia32_vfmaddps512_mask: case X86::BI__builtin_ia32_vfmaddps512_maskz: case X86::BI__builtin_ia32_vfmaddps512_mask3: case X86::BI__builtin_ia32_vfmsubps512_mask3: case X86::BI__builtin_ia32_vfmaddph512_mask: case X86::BI__builtin_ia32_vfmaddph512_maskz: case X86::BI__builtin_ia32_vfmaddph512_mask3: case X86::BI__builtin_ia32_vfmsubph512_mask3: case X86::BI__builtin_ia32_vfmaddsubpd512_mask: case X86::BI__builtin_ia32_vfmaddsubpd512_maskz: case X86::BI__builtin_ia32_vfmaddsubpd512_mask3: case X86::BI__builtin_ia32_vfmsubaddpd512_mask3: case X86::BI__builtin_ia32_vfmaddsubps512_mask: case X86::BI__builtin_ia32_vfmaddsubps512_maskz: case X86::BI__builtin_ia32_vfmaddsubps512_mask3: case X86::BI__builtin_ia32_vfmsubaddps512_mask3: case X86::BI__builtin_ia32_vfmaddsubph512_mask: case X86::BI__builtin_ia32_vfmaddsubph512_maskz: case X86::BI__builtin_ia32_vfmaddsubph512_mask3: case X86::BI__builtin_ia32_vfmsubaddph512_mask3: case X86::BI__builtin_ia32_vfmaddcsh_mask: case X86::BI__builtin_ia32_vfmaddcsh_round_mask: case X86::BI__builtin_ia32_vfmaddcsh_round_mask3: case X86::BI__builtin_ia32_vfmaddcph512_mask: case X86::BI__builtin_ia32_vfmaddcph512_maskz: case X86::BI__builtin_ia32_vfmaddcph512_mask3: case X86::BI__builtin_ia32_vfcmaddcsh_mask: case X86::BI__builtin_ia32_vfcmaddcsh_round_mask: case X86::BI__builtin_ia32_vfcmaddcsh_round_mask3: case X86::BI__builtin_ia32_vfcmaddcph512_mask: case X86::BI__builtin_ia32_vfcmaddcph512_maskz: case X86::BI__builtin_ia32_vfcmaddcph512_mask3: case X86::BI__builtin_ia32_vfmulcsh_mask: case X86::BI__builtin_ia32_vfmulcph512_mask: case X86::BI__builtin_ia32_vfcmulcsh_mask: case X86::BI__builtin_ia32_vfcmulcph512_mask: ArgNum = 4; HasRC = true; break; } llvm::APSInt Result; // We can't check the value of a dependent argument. Expr *Arg = TheCall->getArg(ArgNum); if (Arg->isTypeDependent() || Arg->isValueDependent()) return false; // Check constant-ness first. if (SemaRef.BuiltinConstantArg(TheCall, ArgNum, Result)) return true; // Make sure rounding mode is either ROUND_CUR_DIRECTION or ROUND_NO_EXC bit // is set. If the intrinsic has rounding control(bits 1:0), make sure its only // combined with ROUND_NO_EXC. If the intrinsic does not have rounding // control, allow ROUND_NO_EXC and ROUND_CUR_DIRECTION together. if (Result == 4 /*ROUND_CUR_DIRECTION*/ || Result == 8 /*ROUND_NO_EXC*/ || (!HasRC && Result == 12 /*ROUND_CUR_DIRECTION|ROUND_NO_EXC*/) || (HasRC && Result.getZExtValue() >= 8 && Result.getZExtValue() <= 11)) return false; return Diag(TheCall->getBeginLoc(), diag::err_x86_builtin_invalid_rounding) << Arg->getSourceRange(); } // Check if the gather/scatter scale is legal. bool SemaX86::CheckBuiltinGatherScatterScale(unsigned BuiltinID, CallExpr *TheCall) { unsigned ArgNum = 0; switch (BuiltinID) { default: return false; case X86::BI__builtin_ia32_gatherd_pd: case X86::BI__builtin_ia32_gatherd_pd256: case X86::BI__builtin_ia32_gatherq_pd: case X86::BI__builtin_ia32_gatherq_pd256: case X86::BI__builtin_ia32_gatherd_ps: case X86::BI__builtin_ia32_gatherd_ps256: case X86::BI__builtin_ia32_gatherq_ps: case X86::BI__builtin_ia32_gatherq_ps256: case X86::BI__builtin_ia32_gatherd_q: case X86::BI__builtin_ia32_gatherd_q256: case X86::BI__builtin_ia32_gatherq_q: case X86::BI__builtin_ia32_gatherq_q256: case X86::BI__builtin_ia32_gatherd_d: case X86::BI__builtin_ia32_gatherd_d256: case X86::BI__builtin_ia32_gatherq_d: case X86::BI__builtin_ia32_gatherq_d256: case X86::BI__builtin_ia32_gather3div2df: case X86::BI__builtin_ia32_gather3div2di: case X86::BI__builtin_ia32_gather3div4df: case X86::BI__builtin_ia32_gather3div4di: case X86::BI__builtin_ia32_gather3div4sf: case X86::BI__builtin_ia32_gather3div4si: case X86::BI__builtin_ia32_gather3div8sf: case X86::BI__builtin_ia32_gather3div8si: case X86::BI__builtin_ia32_gather3siv2df: case X86::BI__builtin_ia32_gather3siv2di: case X86::BI__builtin_ia32_gather3siv4df: case X86::BI__builtin_ia32_gather3siv4di: case X86::BI__builtin_ia32_gather3siv4sf: case X86::BI__builtin_ia32_gather3siv4si: case X86::BI__builtin_ia32_gather3siv8sf: case X86::BI__builtin_ia32_gather3siv8si: case X86::BI__builtin_ia32_gathersiv8df: case X86::BI__builtin_ia32_gathersiv16sf: case X86::BI__builtin_ia32_gatherdiv8df: case X86::BI__builtin_ia32_gatherdiv16sf: case X86::BI__builtin_ia32_gathersiv8di: case X86::BI__builtin_ia32_gathersiv16si: case X86::BI__builtin_ia32_gatherdiv8di: case X86::BI__builtin_ia32_gatherdiv16si: case X86::BI__builtin_ia32_scatterdiv2df: case X86::BI__builtin_ia32_scatterdiv2di: case X86::BI__builtin_ia32_scatterdiv4df: case X86::BI__builtin_ia32_scatterdiv4di: case X86::BI__builtin_ia32_scatterdiv4sf: case X86::BI__builtin_ia32_scatterdiv4si: case X86::BI__builtin_ia32_scatterdiv8sf: case X86::BI__builtin_ia32_scatterdiv8si: case X86::BI__builtin_ia32_scattersiv2df: case X86::BI__builtin_ia32_scattersiv2di: case X86::BI__builtin_ia32_scattersiv4df: case X86::BI__builtin_ia32_scattersiv4di: case X86::BI__builtin_ia32_scattersiv4sf: case X86::BI__builtin_ia32_scattersiv4si: case X86::BI__builtin_ia32_scattersiv8sf: case X86::BI__builtin_ia32_scattersiv8si: case X86::BI__builtin_ia32_scattersiv8df: case X86::BI__builtin_ia32_scattersiv16sf: case X86::BI__builtin_ia32_scatterdiv8df: case X86::BI__builtin_ia32_scatterdiv16sf: case X86::BI__builtin_ia32_scattersiv8di: case X86::BI__builtin_ia32_scattersiv16si: case X86::BI__builtin_ia32_scatterdiv8di: case X86::BI__builtin_ia32_scatterdiv16si: ArgNum = 4; break; } llvm::APSInt Result; // We can't check the value of a dependent argument. Expr *Arg = TheCall->getArg(ArgNum); if (Arg->isTypeDependent() || Arg->isValueDependent()) return false; // Check constant-ness first. if (SemaRef.BuiltinConstantArg(TheCall, ArgNum, Result)) return true; if (Result == 1 || Result == 2 || Result == 4 || Result == 8) return false; return Diag(TheCall->getBeginLoc(), diag::err_x86_builtin_invalid_scale) << Arg->getSourceRange(); } enum { TileRegLow = 0, TileRegHigh = 7 }; bool SemaX86::CheckBuiltinTileArgumentsRange(CallExpr *TheCall, ArrayRef ArgNums) { for (int ArgNum : ArgNums) { if (SemaRef.BuiltinConstantArgRange(TheCall, ArgNum, TileRegLow, TileRegHigh)) return true; } return false; } bool SemaX86::CheckBuiltinTileDuplicate(CallExpr *TheCall, ArrayRef ArgNums) { // Because the max number of tile register is TileRegHigh + 1, so here we use // each bit to represent the usage of them in bitset. std::bitset ArgValues; for (int ArgNum : ArgNums) { Expr *Arg = TheCall->getArg(ArgNum); if (Arg->isTypeDependent() || Arg->isValueDependent()) continue; llvm::APSInt Result; if (SemaRef.BuiltinConstantArg(TheCall, ArgNum, Result)) return true; int ArgExtValue = Result.getExtValue(); assert((ArgExtValue >= TileRegLow && ArgExtValue <= TileRegHigh) && "Incorrect tile register num."); if (ArgValues.test(ArgExtValue)) return Diag(TheCall->getBeginLoc(), diag::err_x86_builtin_tile_arg_duplicate) << TheCall->getArg(ArgNum)->getSourceRange(); ArgValues.set(ArgExtValue); } return false; } bool SemaX86::CheckBuiltinTileRangeAndDuplicate(CallExpr *TheCall, ArrayRef ArgNums) { return CheckBuiltinTileArgumentsRange(TheCall, ArgNums) || CheckBuiltinTileDuplicate(TheCall, ArgNums); } bool SemaX86::CheckBuiltinTileArguments(unsigned BuiltinID, CallExpr *TheCall) { switch (BuiltinID) { default: return false; case X86::BI__builtin_ia32_tileloadd64: case X86::BI__builtin_ia32_tileloaddt164: case X86::BI__builtin_ia32_tilestored64: case X86::BI__builtin_ia32_tilezero: return CheckBuiltinTileArgumentsRange(TheCall, 0); case X86::BI__builtin_ia32_tdpbssd: case X86::BI__builtin_ia32_tdpbsud: case X86::BI__builtin_ia32_tdpbusd: case X86::BI__builtin_ia32_tdpbuud: case X86::BI__builtin_ia32_tdpbf16ps: case X86::BI__builtin_ia32_tdpfp16ps: case X86::BI__builtin_ia32_tcmmimfp16ps: case X86::BI__builtin_ia32_tcmmrlfp16ps: return CheckBuiltinTileRangeAndDuplicate(TheCall, {0, 1, 2}); } } static bool isX86_32Builtin(unsigned BuiltinID) { // These builtins only work on x86-32 targets. switch (BuiltinID) { case X86::BI__builtin_ia32_readeflags_u32: case X86::BI__builtin_ia32_writeeflags_u32: return true; } return false; } bool SemaX86::CheckBuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID, CallExpr *TheCall) { // Check for 32-bit only builtins on a 64-bit target. const llvm::Triple &TT = TI.getTriple(); if (TT.getArch() != llvm::Triple::x86 && isX86_32Builtin(BuiltinID)) return Diag(TheCall->getCallee()->getBeginLoc(), diag::err_32_bit_builtin_64_bit_tgt); // If the intrinsic has rounding or SAE make sure its valid. if (CheckBuiltinRoundingOrSAE(BuiltinID, TheCall)) return true; // If the intrinsic has a gather/scatter scale immediate make sure its valid. if (CheckBuiltinGatherScatterScale(BuiltinID, TheCall)) return true; // If the intrinsic has a tile arguments, make sure they are valid. if (CheckBuiltinTileArguments(BuiltinID, TheCall)) return true; // For intrinsics which take an immediate value as part of the instruction, // range check them here. int i = 0, l = 0, u = 0; switch (BuiltinID) { default: return false; case X86::BI__builtin_ia32_vec_ext_v2si: case X86::BI__builtin_ia32_vec_ext_v2di: case X86::BI__builtin_ia32_vextractf128_pd256: case X86::BI__builtin_ia32_vextractf128_ps256: case X86::BI__builtin_ia32_vextractf128_si256: case X86::BI__builtin_ia32_extract128i256: case X86::BI__builtin_ia32_extractf64x4_mask: case X86::BI__builtin_ia32_extracti64x4_mask: case X86::BI__builtin_ia32_extractf32x8_mask: case X86::BI__builtin_ia32_extracti32x8_mask: case X86::BI__builtin_ia32_extractf64x2_256_mask: case X86::BI__builtin_ia32_extracti64x2_256_mask: case X86::BI__builtin_ia32_extractf32x4_256_mask: case X86::BI__builtin_ia32_extracti32x4_256_mask: i = 1; l = 0; u = 1; break; case X86::BI__builtin_ia32_vec_set_v2di: case X86::BI__builtin_ia32_vinsertf128_pd256: case X86::BI__builtin_ia32_vinsertf128_ps256: case X86::BI__builtin_ia32_vinsertf128_si256: case X86::BI__builtin_ia32_insert128i256: case X86::BI__builtin_ia32_insertf32x8: case X86::BI__builtin_ia32_inserti32x8: case X86::BI__builtin_ia32_insertf64x4: case X86::BI__builtin_ia32_inserti64x4: case X86::BI__builtin_ia32_insertf64x2_256: case X86::BI__builtin_ia32_inserti64x2_256: case X86::BI__builtin_ia32_insertf32x4_256: case X86::BI__builtin_ia32_inserti32x4_256: i = 2; l = 0; u = 1; break; case X86::BI__builtin_ia32_vpermilpd: case X86::BI__builtin_ia32_vec_ext_v4hi: case X86::BI__builtin_ia32_vec_ext_v4si: case X86::BI__builtin_ia32_vec_ext_v4sf: case X86::BI__builtin_ia32_vec_ext_v4di: case X86::BI__builtin_ia32_extractf32x4_mask: case X86::BI__builtin_ia32_extracti32x4_mask: case X86::BI__builtin_ia32_extractf64x2_512_mask: case X86::BI__builtin_ia32_extracti64x2_512_mask: i = 1; l = 0; u = 3; break; case X86::BI_mm_prefetch: case X86::BI__builtin_ia32_vec_ext_v8hi: case X86::BI__builtin_ia32_vec_ext_v8si: i = 1; l = 0; u = 7; break; case X86::BI__builtin_ia32_sha1rnds4: case X86::BI__builtin_ia32_blendpd: case X86::BI__builtin_ia32_shufpd: case X86::BI__builtin_ia32_vec_set_v4hi: case X86::BI__builtin_ia32_vec_set_v4si: case X86::BI__builtin_ia32_vec_set_v4di: case X86::BI__builtin_ia32_shuf_f32x4_256: case X86::BI__builtin_ia32_shuf_f64x2_256: case X86::BI__builtin_ia32_shuf_i32x4_256: case X86::BI__builtin_ia32_shuf_i64x2_256: case X86::BI__builtin_ia32_insertf64x2_512: case X86::BI__builtin_ia32_inserti64x2_512: case X86::BI__builtin_ia32_insertf32x4: case X86::BI__builtin_ia32_inserti32x4: i = 2; l = 0; u = 3; break; case X86::BI__builtin_ia32_vpermil2pd: case X86::BI__builtin_ia32_vpermil2pd256: case X86::BI__builtin_ia32_vpermil2ps: case X86::BI__builtin_ia32_vpermil2ps256: i = 3; l = 0; u = 3; break; case X86::BI__builtin_ia32_cmpb128_mask: case X86::BI__builtin_ia32_cmpw128_mask: case X86::BI__builtin_ia32_cmpd128_mask: case X86::BI__builtin_ia32_cmpq128_mask: case X86::BI__builtin_ia32_cmpb256_mask: case X86::BI__builtin_ia32_cmpw256_mask: case X86::BI__builtin_ia32_cmpd256_mask: case X86::BI__builtin_ia32_cmpq256_mask: case X86::BI__builtin_ia32_cmpb512_mask: case X86::BI__builtin_ia32_cmpw512_mask: case X86::BI__builtin_ia32_cmpd512_mask: case X86::BI__builtin_ia32_cmpq512_mask: case X86::BI__builtin_ia32_ucmpb128_mask: case X86::BI__builtin_ia32_ucmpw128_mask: case X86::BI__builtin_ia32_ucmpd128_mask: case X86::BI__builtin_ia32_ucmpq128_mask: case X86::BI__builtin_ia32_ucmpb256_mask: case X86::BI__builtin_ia32_ucmpw256_mask: case X86::BI__builtin_ia32_ucmpd256_mask: case X86::BI__builtin_ia32_ucmpq256_mask: case X86::BI__builtin_ia32_ucmpb512_mask: case X86::BI__builtin_ia32_ucmpw512_mask: case X86::BI__builtin_ia32_ucmpd512_mask: case X86::BI__builtin_ia32_ucmpq512_mask: case X86::BI__builtin_ia32_vpcomub: case X86::BI__builtin_ia32_vpcomuw: case X86::BI__builtin_ia32_vpcomud: case X86::BI__builtin_ia32_vpcomuq: case X86::BI__builtin_ia32_vpcomb: case X86::BI__builtin_ia32_vpcomw: case X86::BI__builtin_ia32_vpcomd: case X86::BI__builtin_ia32_vpcomq: case X86::BI__builtin_ia32_vec_set_v8hi: case X86::BI__builtin_ia32_vec_set_v8si: i = 2; l = 0; u = 7; break; case X86::BI__builtin_ia32_vpermilpd256: case X86::BI__builtin_ia32_roundps: case X86::BI__builtin_ia32_roundpd: case X86::BI__builtin_ia32_roundps256: case X86::BI__builtin_ia32_roundpd256: case X86::BI__builtin_ia32_getmantpd128_mask: case X86::BI__builtin_ia32_getmantpd256_mask: case X86::BI__builtin_ia32_getmantps128_mask: case X86::BI__builtin_ia32_getmantps256_mask: case X86::BI__builtin_ia32_getmantpd512_mask: case X86::BI__builtin_ia32_getmantps512_mask: case X86::BI__builtin_ia32_getmantph128_mask: case X86::BI__builtin_ia32_getmantph256_mask: case X86::BI__builtin_ia32_getmantph512_mask: case X86::BI__builtin_ia32_vec_ext_v16qi: case X86::BI__builtin_ia32_vec_ext_v16hi: i = 1; l = 0; u = 15; break; case X86::BI__builtin_ia32_pblendd128: case X86::BI__builtin_ia32_blendps: case X86::BI__builtin_ia32_blendpd256: case X86::BI__builtin_ia32_shufpd256: case X86::BI__builtin_ia32_roundss: case X86::BI__builtin_ia32_roundsd: case X86::BI__builtin_ia32_rangepd128_mask: case X86::BI__builtin_ia32_rangepd256_mask: case X86::BI__builtin_ia32_rangepd512_mask: case X86::BI__builtin_ia32_rangeps128_mask: case X86::BI__builtin_ia32_rangeps256_mask: case X86::BI__builtin_ia32_rangeps512_mask: case X86::BI__builtin_ia32_getmantsd_round_mask: case X86::BI__builtin_ia32_getmantss_round_mask: case X86::BI__builtin_ia32_getmantsh_round_mask: case X86::BI__builtin_ia32_vec_set_v16qi: case X86::BI__builtin_ia32_vec_set_v16hi: i = 2; l = 0; u = 15; break; case X86::BI__builtin_ia32_vec_ext_v32qi: i = 1; l = 0; u = 31; break; case X86::BI__builtin_ia32_cmpps: case X86::BI__builtin_ia32_cmpss: case X86::BI__builtin_ia32_cmppd: case X86::BI__builtin_ia32_cmpsd: case X86::BI__builtin_ia32_cmpps256: case X86::BI__builtin_ia32_cmppd256: case X86::BI__builtin_ia32_cmpps128_mask: case X86::BI__builtin_ia32_cmppd128_mask: case X86::BI__builtin_ia32_cmpps256_mask: case X86::BI__builtin_ia32_cmppd256_mask: case X86::BI__builtin_ia32_cmpps512_mask: case X86::BI__builtin_ia32_cmppd512_mask: case X86::BI__builtin_ia32_cmpsd_mask: case X86::BI__builtin_ia32_cmpss_mask: case X86::BI__builtin_ia32_vec_set_v32qi: i = 2; l = 0; u = 31; break; case X86::BI__builtin_ia32_permdf256: case X86::BI__builtin_ia32_permdi256: case X86::BI__builtin_ia32_permdf512: case X86::BI__builtin_ia32_permdi512: case X86::BI__builtin_ia32_vpermilps: case X86::BI__builtin_ia32_vpermilps256: case X86::BI__builtin_ia32_vpermilpd512: case X86::BI__builtin_ia32_vpermilps512: case X86::BI__builtin_ia32_pshufd: case X86::BI__builtin_ia32_pshufd256: case X86::BI__builtin_ia32_pshufd512: case X86::BI__builtin_ia32_pshufhw: case X86::BI__builtin_ia32_pshufhw256: case X86::BI__builtin_ia32_pshufhw512: case X86::BI__builtin_ia32_pshuflw: case X86::BI__builtin_ia32_pshuflw256: case X86::BI__builtin_ia32_pshuflw512: case X86::BI__builtin_ia32_vcvtps2ph: case X86::BI__builtin_ia32_vcvtps2ph_mask: case X86::BI__builtin_ia32_vcvtps2ph256: case X86::BI__builtin_ia32_vcvtps2ph256_mask: case X86::BI__builtin_ia32_vcvtps2ph512_mask: case X86::BI__builtin_ia32_rndscaleps_128_mask: case X86::BI__builtin_ia32_rndscalepd_128_mask: case X86::BI__builtin_ia32_rndscaleps_256_mask: case X86::BI__builtin_ia32_rndscalepd_256_mask: case X86::BI__builtin_ia32_rndscaleps_mask: case X86::BI__builtin_ia32_rndscalepd_mask: case X86::BI__builtin_ia32_rndscaleph_mask: case X86::BI__builtin_ia32_reducepd128_mask: case X86::BI__builtin_ia32_reducepd256_mask: case X86::BI__builtin_ia32_reducepd512_mask: case X86::BI__builtin_ia32_reduceps128_mask: case X86::BI__builtin_ia32_reduceps256_mask: case X86::BI__builtin_ia32_reduceps512_mask: case X86::BI__builtin_ia32_reduceph128_mask: case X86::BI__builtin_ia32_reduceph256_mask: case X86::BI__builtin_ia32_reduceph512_mask: case X86::BI__builtin_ia32_prold512: case X86::BI__builtin_ia32_prolq512: case X86::BI__builtin_ia32_prold128: case X86::BI__builtin_ia32_prold256: case X86::BI__builtin_ia32_prolq128: case X86::BI__builtin_ia32_prolq256: case X86::BI__builtin_ia32_prord512: case X86::BI__builtin_ia32_prorq512: case X86::BI__builtin_ia32_prord128: case X86::BI__builtin_ia32_prord256: case X86::BI__builtin_ia32_prorq128: case X86::BI__builtin_ia32_prorq256: case X86::BI__builtin_ia32_fpclasspd128_mask: case X86::BI__builtin_ia32_fpclasspd256_mask: case X86::BI__builtin_ia32_fpclassps128_mask: case X86::BI__builtin_ia32_fpclassps256_mask: case X86::BI__builtin_ia32_fpclassps512_mask: case X86::BI__builtin_ia32_fpclasspd512_mask: case X86::BI__builtin_ia32_fpclassph128_mask: case X86::BI__builtin_ia32_fpclassph256_mask: case X86::BI__builtin_ia32_fpclassph512_mask: case X86::BI__builtin_ia32_fpclasssd_mask: case X86::BI__builtin_ia32_fpclassss_mask: case X86::BI__builtin_ia32_fpclasssh_mask: case X86::BI__builtin_ia32_pslldqi128_byteshift: case X86::BI__builtin_ia32_pslldqi256_byteshift: case X86::BI__builtin_ia32_pslldqi512_byteshift: case X86::BI__builtin_ia32_psrldqi128_byteshift: case X86::BI__builtin_ia32_psrldqi256_byteshift: case X86::BI__builtin_ia32_psrldqi512_byteshift: case X86::BI__builtin_ia32_kshiftliqi: case X86::BI__builtin_ia32_kshiftlihi: case X86::BI__builtin_ia32_kshiftlisi: case X86::BI__builtin_ia32_kshiftlidi: case X86::BI__builtin_ia32_kshiftriqi: case X86::BI__builtin_ia32_kshiftrihi: case X86::BI__builtin_ia32_kshiftrisi: case X86::BI__builtin_ia32_kshiftridi: i = 1; l = 0; u = 255; break; case X86::BI__builtin_ia32_vperm2f128_pd256: case X86::BI__builtin_ia32_vperm2f128_ps256: case X86::BI__builtin_ia32_vperm2f128_si256: case X86::BI__builtin_ia32_permti256: case X86::BI__builtin_ia32_pblendw128: case X86::BI__builtin_ia32_pblendw256: case X86::BI__builtin_ia32_blendps256: case X86::BI__builtin_ia32_pblendd256: case X86::BI__builtin_ia32_palignr128: case X86::BI__builtin_ia32_palignr256: case X86::BI__builtin_ia32_palignr512: case X86::BI__builtin_ia32_alignq512: case X86::BI__builtin_ia32_alignd512: case X86::BI__builtin_ia32_alignd128: case X86::BI__builtin_ia32_alignd256: case X86::BI__builtin_ia32_alignq128: case X86::BI__builtin_ia32_alignq256: case X86::BI__builtin_ia32_vcomisd: case X86::BI__builtin_ia32_vcomiss: case X86::BI__builtin_ia32_shuf_f32x4: case X86::BI__builtin_ia32_shuf_f64x2: case X86::BI__builtin_ia32_shuf_i32x4: case X86::BI__builtin_ia32_shuf_i64x2: case X86::BI__builtin_ia32_shufpd512: case X86::BI__builtin_ia32_shufps: case X86::BI__builtin_ia32_shufps256: case X86::BI__builtin_ia32_shufps512: case X86::BI__builtin_ia32_dbpsadbw128: case X86::BI__builtin_ia32_dbpsadbw256: case X86::BI__builtin_ia32_dbpsadbw512: case X86::BI__builtin_ia32_vpshldd128: case X86::BI__builtin_ia32_vpshldd256: case X86::BI__builtin_ia32_vpshldd512: case X86::BI__builtin_ia32_vpshldq128: case X86::BI__builtin_ia32_vpshldq256: case X86::BI__builtin_ia32_vpshldq512: case X86::BI__builtin_ia32_vpshldw128: case X86::BI__builtin_ia32_vpshldw256: case X86::BI__builtin_ia32_vpshldw512: case X86::BI__builtin_ia32_vpshrdd128: case X86::BI__builtin_ia32_vpshrdd256: case X86::BI__builtin_ia32_vpshrdd512: case X86::BI__builtin_ia32_vpshrdq128: case X86::BI__builtin_ia32_vpshrdq256: case X86::BI__builtin_ia32_vpshrdq512: case X86::BI__builtin_ia32_vpshrdw128: case X86::BI__builtin_ia32_vpshrdw256: case X86::BI__builtin_ia32_vpshrdw512: i = 2; l = 0; u = 255; break; case X86::BI__builtin_ia32_fixupimmpd512_mask: case X86::BI__builtin_ia32_fixupimmpd512_maskz: case X86::BI__builtin_ia32_fixupimmps512_mask: case X86::BI__builtin_ia32_fixupimmps512_maskz: case X86::BI__builtin_ia32_fixupimmsd_mask: case X86::BI__builtin_ia32_fixupimmsd_maskz: case X86::BI__builtin_ia32_fixupimmss_mask: case X86::BI__builtin_ia32_fixupimmss_maskz: case X86::BI__builtin_ia32_fixupimmpd128_mask: case X86::BI__builtin_ia32_fixupimmpd128_maskz: case X86::BI__builtin_ia32_fixupimmpd256_mask: case X86::BI__builtin_ia32_fixupimmpd256_maskz: case X86::BI__builtin_ia32_fixupimmps128_mask: case X86::BI__builtin_ia32_fixupimmps128_maskz: case X86::BI__builtin_ia32_fixupimmps256_mask: case X86::BI__builtin_ia32_fixupimmps256_maskz: case X86::BI__builtin_ia32_pternlogd512_mask: case X86::BI__builtin_ia32_pternlogd512_maskz: case X86::BI__builtin_ia32_pternlogq512_mask: case X86::BI__builtin_ia32_pternlogq512_maskz: case X86::BI__builtin_ia32_pternlogd128_mask: case X86::BI__builtin_ia32_pternlogd128_maskz: case X86::BI__builtin_ia32_pternlogd256_mask: case X86::BI__builtin_ia32_pternlogd256_maskz: case X86::BI__builtin_ia32_pternlogq128_mask: case X86::BI__builtin_ia32_pternlogq128_maskz: case X86::BI__builtin_ia32_pternlogq256_mask: case X86::BI__builtin_ia32_pternlogq256_maskz: case X86::BI__builtin_ia32_vsm3rnds2: i = 3; l = 0; u = 255; break; case X86::BI__builtin_ia32_reducesd_mask: case X86::BI__builtin_ia32_reducess_mask: case X86::BI__builtin_ia32_rndscalesd_round_mask: case X86::BI__builtin_ia32_rndscaless_round_mask: case X86::BI__builtin_ia32_rndscalesh_round_mask: case X86::BI__builtin_ia32_reducesh_mask: i = 4; l = 0; u = 255; break; case X86::BI__builtin_ia32_cmpccxadd32: case X86::BI__builtin_ia32_cmpccxadd64: i = 3; l = 0; u = 15; break; } // Note that we don't force a hard error on the range check here, allowing // template-generated or macro-generated dead code to potentially have out-of- // range values. These need to code generate, but don't need to necessarily // make any sense. We use a warning that defaults to an error. return SemaRef.BuiltinConstantArgRange(TheCall, i, l, u, /*RangeIsError*/ false); } void SemaX86::handleAnyInterruptAttr(Decl *D, const ParsedAttr &AL) { // Semantic checks for a function with the 'interrupt' attribute. // a) Must be a function. // b) Must have the 'void' return type. // c) Must take 1 or 2 arguments. // d) The 1st argument must be a pointer. // e) The 2nd argument (if any) must be an unsigned integer. ASTContext &Context = getASTContext(); if (!isFuncOrMethodForAttrSubject(D) || !hasFunctionProto(D) || isInstanceMethod(D) || CXXMethodDecl::isStaticOverloadedOperator( cast(D)->getDeclName().getCXXOverloadedOperator())) { Diag(AL.getLoc(), diag::warn_attribute_wrong_decl_type) << AL << AL.isRegularKeywordAttribute() << ExpectedFunctionWithProtoType; return; } // Interrupt handler must have void return type. if (!getFunctionOrMethodResultType(D)->isVoidType()) { Diag(getFunctionOrMethodResultSourceRange(D).getBegin(), diag::err_anyx86_interrupt_attribute) << (SemaRef.Context.getTargetInfo().getTriple().getArch() == llvm::Triple::x86 ? 0 : 1) << 0; return; } // Interrupt handler must have 1 or 2 parameters. unsigned NumParams = getFunctionOrMethodNumParams(D); if (NumParams < 1 || NumParams > 2) { Diag(D->getBeginLoc(), diag::err_anyx86_interrupt_attribute) << (Context.getTargetInfo().getTriple().getArch() == llvm::Triple::x86 ? 0 : 1) << 1; return; } // The first argument must be a pointer. if (!getFunctionOrMethodParamType(D, 0)->isPointerType()) { Diag(getFunctionOrMethodParamRange(D, 0).getBegin(), diag::err_anyx86_interrupt_attribute) << (Context.getTargetInfo().getTriple().getArch() == llvm::Triple::x86 ? 0 : 1) << 2; return; } // The second argument, if present, must be an unsigned integer. unsigned TypeSize = Context.getTargetInfo().getTriple().getArch() == llvm::Triple::x86_64 ? 64 : 32; if (NumParams == 2 && (!getFunctionOrMethodParamType(D, 1)->isUnsignedIntegerType() || Context.getTypeSize(getFunctionOrMethodParamType(D, 1)) != TypeSize)) { Diag(getFunctionOrMethodParamRange(D, 1).getBegin(), diag::err_anyx86_interrupt_attribute) << (Context.getTargetInfo().getTriple().getArch() == llvm::Triple::x86 ? 0 : 1) << 3 << Context.getIntTypeForBitwidth(TypeSize, /*Signed=*/false); return; } D->addAttr(::new (Context) AnyX86InterruptAttr(Context, AL)); D->addAttr(UsedAttr::CreateImplicit(Context)); } void SemaX86::handleForceAlignArgPointerAttr(Decl *D, const ParsedAttr &AL) { // If we try to apply it to a function pointer, don't warn, but don't // do anything, either. It doesn't matter anyway, because there's nothing // special about calling a force_align_arg_pointer function. const auto *VD = dyn_cast(D); if (VD && VD->getType()->isFunctionPointerType()) return; // Also don't warn on function pointer typedefs. const auto *TD = dyn_cast(D); if (TD && (TD->getUnderlyingType()->isFunctionPointerType() || TD->getUnderlyingType()->isFunctionType())) return; // Attribute can only be applied to function types. if (!isa(D)) { Diag(AL.getLoc(), diag::warn_attribute_wrong_decl_type) << AL << AL.isRegularKeywordAttribute() << ExpectedFunction; return; } D->addAttr(::new (getASTContext()) X86ForceAlignArgPointerAttr(getASTContext(), AL)); } } // namespace clang