X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2FTableGen%2FIntrinsicEmitter.cpp;h=42a6a152f55ec5eb89fa32f8d79c77080bd2fdbf;hb=3a1999a31131b95b9ae19cdcfb8bc00bf585ed85;hp=faf347088008d2e944a24dfb32fa3b99fa67903c;hpb=034b94b17006f51722886b0f2283fb6fb19aca1f;p=oota-llvm.git diff --git a/utils/TableGen/IntrinsicEmitter.cpp b/utils/TableGen/IntrinsicEmitter.cpp index faf34708800..42a6a152f55 100644 --- a/utils/TableGen/IntrinsicEmitter.cpp +++ b/utils/TableGen/IntrinsicEmitter.cpp @@ -14,6 +14,7 @@ #include "CodeGenIntrinsics.h" #include "CodeGenTarget.h" #include "SequenceToOffsetTable.h" +#include "TableGenBackends.h" #include "llvm/ADT/StringExtras.h" #include "llvm/TableGen/Error.h" #include "llvm/TableGen/Record.h" @@ -45,16 +46,14 @@ public: raw_ostream &OS); void EmitIntrinsicToOverloadTable(const std::vector &Ints, raw_ostream &OS); - void EmitVerifier(const std::vector &Ints, - raw_ostream &OS); void EmitGenerator(const std::vector &Ints, raw_ostream &OS); void EmitAttributes(const std::vector &Ints, raw_ostream &OS); - void EmitModRefBehavior(const std::vector &Ints, - raw_ostream &OS); void EmitIntrinsicToGCCBuiltinMap(const std::vector &Ints, raw_ostream &OS); + void EmitIntrinsicToMSBuiltinMap(const std::vector &Ints, + raw_ostream &OS); void EmitSuffix(raw_ostream &OS); }; } // End anonymous namespace @@ -84,19 +83,19 @@ void IntrinsicEmitter::run(raw_ostream &OS) { // Emit the function name recognizer. EmitFnNameRecognizer(Ints, OS); - + // Emit the intrinsic declaration generator. EmitGenerator(Ints, OS); - + // Emit the intrinsic parameter attributes. EmitAttributes(Ints, OS); - // Emit intrinsic alias analysis mod/ref behavior. - EmitModRefBehavior(Ints, OS); - // Emit code to translate GCC builtins into LLVM intrinsics. EmitIntrinsicToGCCBuiltinMap(Ints, OS); + // Emit code to translate MS builtins into LLVM intrinsics. + EmitIntrinsicToMSBuiltinMap(Ints, OS); + EmitSuffix(OS); } @@ -125,20 +124,21 @@ void IntrinsicEmitter::EmitEnumInfo(const std::vector &Ints, for (unsigned i = 0, e = Ints.size(); i != e; ++i) { OS << " " << Ints[i].EnumName; OS << ((i != e-1) ? ", " : " "); - OS << std::string(40-Ints[i].EnumName.size(), ' ') - << "// " << Ints[i].Name << "\n"; + if (Ints[i].EnumName.size() < 40) + OS << std::string(40-Ints[i].EnumName.size(), ' '); + OS << " // " << Ints[i].Name << "\n"; } OS << "#endif\n\n"; } void IntrinsicEmitter:: -EmitFnNameRecognizer(const std::vector &Ints, +EmitFnNameRecognizer(const std::vector &Ints, raw_ostream &OS) { // Build a 'first character of function name' -> intrinsic # mapping. std::map > IntMapping; for (unsigned i = 0, e = Ints.size(); i != e; ++i) IntMapping[Ints[i].Name[5]].push_back(i); - + OS << "// Function name -> enum value recognizer code.\n"; OS << "#ifdef GET_FUNCTION_RECOGNIZER\n"; OS << " StringRef NameR(Name+6, Len-6); // Skip over 'llvm.'\n"; @@ -150,10 +150,16 @@ EmitFnNameRecognizer(const std::vector &Ints, OS << " case '" << I->first << "':\n"; std::vector &IntList = I->second; + // Sort in reverse order of intrinsic name so "abc.def" appears after + // "abd.def.ghi" in the overridden name matcher + std::sort(IntList.begin(), IntList.end(), [&](unsigned i, unsigned j) { + return Ints[i].Name > Ints[j].Name; + }); + // Emit all the overloaded intrinsics first, build a table of the // non-overloaded ones. std::vector MatchTable; - + for (unsigned i = 0, e = IntList.size(); i != e; ++i) { unsigned IntNo = IntList[i]; std::string Result = "return " + TargetPrefix + "Intrinsic::" + @@ -170,18 +176,18 @@ EmitFnNameRecognizer(const std::vector &Ints, OS << " if (NameR.startswith(\"" << TheStr << "\")) " << Result << '\n'; } - + // Emit the matcher logic for the fixed length strings. StringMatcher("NameR", MatchTable, OS).Emit(1); OS << " break; // end of '" << I->first << "' case.\n"; } - + OS << " }\n"; OS << "#endif\n\n"; } void IntrinsicEmitter:: -EmitIntrinsicToNameTable(const std::vector &Ints, +EmitIntrinsicToNameTable(const std::vector &Ints, raw_ostream &OS) { OS << "// Intrinsic ID to name table\n"; OS << "#ifdef GET_INTRINSIC_NAME_TABLE\n"; @@ -192,7 +198,7 @@ EmitIntrinsicToNameTable(const std::vector &Ints, } void IntrinsicEmitter:: -EmitIntrinsicToOverloadTable(const std::vector &Ints, +EmitIntrinsicToOverloadTable(const std::vector &Ints, raw_ostream &OS) { OS << "// Intrinsic ID to overload bitset\n"; OS << "#ifdef GET_INTRINSIC_OVERLOAD_TABLE\n"; @@ -221,34 +227,46 @@ enum IIT_Info { IIT_I16 = 3, IIT_I32 = 4, IIT_I64 = 5, - IIT_F32 = 6, - IIT_F64 = 7, - IIT_V2 = 8, - IIT_V4 = 9, - IIT_V8 = 10, - IIT_V16 = 11, - IIT_V32 = 12, - IIT_MMX = 13, + IIT_F16 = 6, + IIT_F32 = 7, + IIT_F64 = 8, + IIT_V2 = 9, + IIT_V4 = 10, + IIT_V8 = 11, + IIT_V16 = 12, + IIT_V32 = 13, IIT_PTR = 14, IIT_ARG = 15, - + // Values from 16+ are only encodable with the inefficient encoding. - IIT_METADATA = 16, - IIT_EMPTYSTRUCT = 17, - IIT_STRUCT2 = 18, - IIT_STRUCT3 = 19, - IIT_STRUCT4 = 20, - IIT_STRUCT5 = 21, - IIT_EXTEND_VEC_ARG = 22, - IIT_TRUNC_VEC_ARG = 23, - IIT_ANYPTR = 24 + IIT_V64 = 16, + IIT_MMX = 17, + IIT_TOKEN = 18, + IIT_METADATA = 19, + IIT_EMPTYSTRUCT = 20, + IIT_STRUCT2 = 21, + IIT_STRUCT3 = 22, + IIT_STRUCT4 = 23, + IIT_STRUCT5 = 24, + IIT_EXTEND_ARG = 25, + IIT_TRUNC_ARG = 26, + IIT_ANYPTR = 27, + IIT_V1 = 28, + IIT_VARARG = 29, + IIT_HALF_VEC_ARG = 30, + IIT_SAME_VEC_WIDTH_ARG = 31, + IIT_PTR_TO_ARG = 32, + IIT_VEC_OF_PTRS_TO_ELT = 33, + IIT_I128 = 34, + IIT_V512 = 35, + IIT_V1024 = 36 }; static void EncodeFixedValueType(MVT::SimpleValueType VT, std::vector &Sig) { - if (EVT(VT).isInteger()) { - unsigned BitWidth = EVT(VT).getSizeInBits(); + if (MVT(VT).isInteger()) { + unsigned BitWidth = MVT(VT).getSizeInBits(); switch (BitWidth) { default: PrintFatalError("unhandled integer type width in intrinsic!"); case 1: return Sig.push_back(IIT_I1); @@ -256,39 +274,57 @@ static void EncodeFixedValueType(MVT::SimpleValueType VT, case 16: return Sig.push_back(IIT_I16); case 32: return Sig.push_back(IIT_I32); case 64: return Sig.push_back(IIT_I64); + case 128: return Sig.push_back(IIT_I128); } } - + switch (VT) { default: PrintFatalError("unhandled MVT in intrinsic!"); + case MVT::f16: return Sig.push_back(IIT_F16); case MVT::f32: return Sig.push_back(IIT_F32); case MVT::f64: return Sig.push_back(IIT_F64); + case MVT::token: return Sig.push_back(IIT_TOKEN); case MVT::Metadata: return Sig.push_back(IIT_METADATA); case MVT::x86mmx: return Sig.push_back(IIT_MMX); // MVT::OtherVT is used to mean the empty struct type here. case MVT::Other: return Sig.push_back(IIT_EMPTYSTRUCT); + // MVT::isVoid is used to represent varargs here. + case MVT::isVoid: return Sig.push_back(IIT_VARARG); } } -#ifdef _MSC_VER +#if defined(_MSC_VER) && !defined(__clang__) #pragma optimize("",off) // MSVC 2010 optimizer can't deal with this function. -#endif +#endif static void EncodeFixedType(Record *R, std::vector &ArgCodes, std::vector &Sig) { - + if (R->isSubClassOf("LLVMMatchType")) { unsigned Number = R->getValueAsInt("Number"); assert(Number < ArgCodes.size() && "Invalid matching number!"); - if (R->isSubClassOf("LLVMExtendedElementVectorType")) - Sig.push_back(IIT_EXTEND_VEC_ARG); - else if (R->isSubClassOf("LLVMTruncatedElementVectorType")) - Sig.push_back(IIT_TRUNC_VEC_ARG); + if (R->isSubClassOf("LLVMExtendedType")) + Sig.push_back(IIT_EXTEND_ARG); + else if (R->isSubClassOf("LLVMTruncatedType")) + Sig.push_back(IIT_TRUNC_ARG); + else if (R->isSubClassOf("LLVMHalfElementsVectorType")) + Sig.push_back(IIT_HALF_VEC_ARG); + else if (R->isSubClassOf("LLVMVectorSameWidth")) { + Sig.push_back(IIT_SAME_VEC_WIDTH_ARG); + Sig.push_back((Number << 3) | ArgCodes[Number]); + MVT::SimpleValueType VT = getValueType(R->getValueAsDef("ElTy")); + EncodeFixedValueType(VT, Sig); + return; + } + else if (R->isSubClassOf("LLVMPointerTo")) + Sig.push_back(IIT_PTR_TO_ARG); + else if (R->isSubClassOf("LLVMVectorOfPointersToElt")) + Sig.push_back(IIT_VEC_OF_PTRS_TO_ELT); else Sig.push_back(IIT_ARG); - return Sig.push_back((Number << 2) | ArgCodes[Number]); + return Sig.push_back((Number << 3) | ArgCodes[Number]); } - + MVT::SimpleValueType VT = getValueType(R->getValueAsDef("VT")); unsigned Tmp = 0; @@ -297,19 +333,20 @@ static void EncodeFixedType(Record *R, std::vector &ArgCodes, case MVT::iPTRAny: ++Tmp; // FALL THROUGH. case MVT::vAny: ++Tmp; // FALL THROUGH. case MVT::fAny: ++Tmp; // FALL THROUGH. - case MVT::iAny: { + case MVT::iAny: ++Tmp; // FALL THROUGH. + case MVT::Any: { // If this is an "any" valuetype, then the type is the type of the next - // type in the list specified to getIntrinsic(). + // type in the list specified to getIntrinsic(). Sig.push_back(IIT_ARG); - + // Figure out what arg # this is consuming, and remember what kind it was. unsigned ArgNo = ArgCodes.size(); ArgCodes.push_back(Tmp); - - // Encode what sort of argument it must be in the low 2 bits of the ArgNo. - return Sig.push_back((ArgNo << 2) | Tmp); + + // Encode what sort of argument it must be in the low 3 bits of the ArgNo. + return Sig.push_back((ArgNo << 3) | Tmp); } - + case MVT::iPTR: { unsigned AddrSpace = 0; if (R->isSubClassOf("LLVMQualPointerType")) { @@ -325,26 +362,29 @@ static void EncodeFixedType(Record *R, std::vector &ArgCodes, return EncodeFixedType(R->getValueAsDef("ElTy"), ArgCodes, Sig); } } - - if (EVT(VT).isVector()) { - EVT VVT = VT; + + if (MVT(VT).isVector()) { + MVT VVT = VT; switch (VVT.getVectorNumElements()) { default: PrintFatalError("unhandled vector type width in intrinsic!"); + case 1: Sig.push_back(IIT_V1); break; case 2: Sig.push_back(IIT_V2); break; case 4: Sig.push_back(IIT_V4); break; case 8: Sig.push_back(IIT_V8); break; case 16: Sig.push_back(IIT_V16); break; case 32: Sig.push_back(IIT_V32); break; + case 64: Sig.push_back(IIT_V64); break; + case 512: Sig.push_back(IIT_V512); break; + case 1024: Sig.push_back(IIT_V1024); break; } - - return EncodeFixedValueType(VVT.getVectorElementType(). - getSimpleVT().SimpleTy, Sig); + + return EncodeFixedValueType(VVT.getVectorElementType().SimpleTy, Sig); } EncodeFixedValueType(VT, Sig); } -#ifdef _MSC_VER +#if defined(_MSC_VER) && !defined(__clang__) #pragma optimize("",on) #endif @@ -353,7 +393,7 @@ static void EncodeFixedType(Record *R, std::vector &ArgCodes, static void ComputeFixedEncoding(const CodeGenIntrinsic &Int, std::vector &TypeSig) { std::vector ArgCodes; - + if (Int.IS.RetVTs.empty()) TypeSig.push_back(IIT_Done); else if (Int.IS.RetVTs.size() == 1 && @@ -366,13 +406,13 @@ static void ComputeFixedEncoding(const CodeGenIntrinsic &Int, case 3: TypeSig.push_back(IIT_STRUCT3); break; case 4: TypeSig.push_back(IIT_STRUCT4); break; case 5: TypeSig.push_back(IIT_STRUCT5); break; - default: assert(0 && "Unhandled case in struct"); + default: llvm_unreachable("Unhandled case in struct"); } - + for (unsigned i = 0, e = Int.IS.RetVTs.size(); i != e; ++i) EncodeFixedType(Int.IS.RetTypeDefs[i], ArgCodes, TypeSig); } - + for (unsigned i = 0, e = Int.IS.ParamTypeDefs.size(); i != e; ++i) EncodeFixedType(Int.IS.ParamTypeDefs[i], ArgCodes, TypeSig); } @@ -381,16 +421,16 @@ static void printIITEntry(raw_ostream &OS, unsigned char X) { OS << (unsigned)X; } -void IntrinsicEmitter::EmitGenerator(const std::vector &Ints, +void IntrinsicEmitter::EmitGenerator(const std::vector &Ints, raw_ostream &OS) { // If we can compute a 32-bit fixed encoding for this intrinsic, do so and // capture it in this vector, otherwise store a ~0U. std::vector FixedEncodings; - + SequenceToOffsetTable > LongEncodingTable; - + std::vector TypeSig; - + // Compute the unique argument type info. for (unsigned i = 0, e = Ints.size(); i != e; ++i) { // Get the signature for the intrinsic. @@ -410,7 +450,7 @@ void IntrinsicEmitter::EmitGenerator(const std::vector &Ints, } Result = (Result << 4) | TypeSig[e-i-1]; } - + // If this could be encoded into a 31-bit word, return it. if (!Failed && (Result >> 31) == 0) { FixedEncodings.push_back(Result); @@ -421,66 +461,46 @@ void IntrinsicEmitter::EmitGenerator(const std::vector &Ints, // Otherwise, we're going to unique the sequence into the // LongEncodingTable, and use its offset in the 32-bit table instead. LongEncodingTable.add(TypeSig); - + // This is a placehold that we'll replace after the table is laid out. FixedEncodings.push_back(~0U); } - + LongEncodingTable.layout(); - + OS << "// Global intrinsic function declaration type table.\n"; OS << "#ifdef GET_INTRINSIC_GENERATOR_GLOBAL\n"; OS << "static const unsigned IIT_Table[] = {\n "; - + for (unsigned i = 0, e = FixedEncodings.size(); i != e; ++i) { if ((i & 7) == 7) OS << "\n "; - + // If the entry fit in the table, just emit it. if (FixedEncodings[i] != ~0U) { OS << "0x" << utohexstr(FixedEncodings[i]) << ", "; continue; } - + TypeSig.clear(); ComputeFixedEncoding(Ints[i], TypeSig); - + // Otherwise, emit the offset into the long encoding table. We emit it this // way so that it is easier to read the offset in the .def file. OS << "(1U<<31) | " << LongEncodingTable.get(TypeSig) << ", "; } - + OS << "0\n};\n\n"; - + // Emit the shared table of register lists. OS << "static const unsigned char IIT_LongEncodingTable[] = {\n"; if (!LongEncodingTable.empty()) LongEncodingTable.emit(OS, printIITEntry); OS << " 255\n};\n\n"; - - OS << "#endif\n\n"; // End of GET_INTRINSIC_GENERATOR_GLOBAL -} -enum ModRefKind { - MRK_none, - MRK_readonly, - MRK_readnone -}; - -static ModRefKind getModRefKind(const CodeGenIntrinsic &intrinsic) { - switch (intrinsic.ModRef) { - case CodeGenIntrinsic::NoMem: - return MRK_readnone; - case CodeGenIntrinsic::ReadArgMem: - case CodeGenIntrinsic::ReadMem: - return MRK_readonly; - case CodeGenIntrinsic::ReadWriteArgMem: - case CodeGenIntrinsic::ReadWriteMem: - return MRK_none; - } - llvm_unreachable("bad mod-ref kind"); + OS << "#endif\n\n"; // End of GET_INTRINSIC_GENERATOR_GLOBAL } namespace { @@ -490,12 +510,18 @@ struct AttributeComparator { if (L->canThrow != R->canThrow) return R->canThrow; + if (L->isNoDuplicate != R->isNoDuplicate) + return R->isNoDuplicate; + if (L->isNoReturn != R->isNoReturn) return R->isNoReturn; + if (L->isConvergent != R->isConvergent) + return R->isConvergent; + // Try to order by readonly/readnone attribute. - ModRefKind LK = getModRefKind(*L); - ModRefKind RK = getModRefKind(*R); + CodeGenIntrinsic::ModRefKind LK = L->ModRef; + CodeGenIntrinsic::ModRefKind RK = R->ModRef; if (LK != RK) return (LK > RK); // Order by argument attributes. @@ -532,9 +558,8 @@ EmitAttributes(const std::vector &Ints, raw_ostream &OS) { N = ++AttrNum; } - // Emit an array of AttributeWithIndex. Most intrinsics will have - // at least one entry, for the function itself (index ~1), which is - // usually nounwind. + // Emit an array of AttributeSet. Most intrinsics will have at least one + // entry, for the function itself (index ~1), which is usually nounwind. OS << " static const uint8_t IntrinsicsToAttributesMap[] = {\n"; for (unsigned i = 0, e = Ints.size(); i != e; ++i) { @@ -545,10 +570,9 @@ EmitAttributes(const std::vector &Ints, raw_ostream &OS) { } OS << " };\n\n"; - OS << " AttributeWithIndex AWI[" << maxArgAttrs+1 << "];\n"; + OS << " AttributeSet AS[" << maxArgAttrs+1 << "];\n"; OS << " unsigned NumAttrs = 0;\n"; OS << " if (id != 0) {\n"; - OS << " SmallVector AttrVec;\n"; OS << " switch(IntrinsicsToAttributesMap[id - "; if (TargetOnly) OS << "Intrinsic::num_intrinsics"; @@ -558,7 +582,7 @@ EmitAttributes(const std::vector &Ints, raw_ostream &OS) { OS << " default: llvm_unreachable(\"Invalid attribute number\");\n"; for (UniqAttrMapTy::const_iterator I = UniqAttributes.begin(), E = UniqAttributes.end(); I != E; ++I) { - OS << " case " << I->second << ":\n"; + OS << " case " << I->second << ": {\n"; const CodeGenIntrinsic &intrinsic = *(I->first); @@ -571,118 +595,136 @@ EmitAttributes(const std::vector &Ints, raw_ostream &OS) { while (ai != ae) { unsigned argNo = intrinsic.ArgumentAttributes[ai].first; - OS << " AttrVec.clear();\n"; + OS << " const Attribute::AttrKind AttrParam" << argNo + 1 <<"[]= {"; + bool addComma = false; do { switch (intrinsic.ArgumentAttributes[ai].second) { case CodeGenIntrinsic::NoCapture: - OS << " AttrVec.push_back(Attribute::NoCapture);\n"; + if (addComma) + OS << ","; + OS << "Attribute::NoCapture"; + addComma = true; + break; + case CodeGenIntrinsic::ReadOnly: + if (addComma) + OS << ","; + OS << "Attribute::ReadOnly"; + addComma = true; + break; + case CodeGenIntrinsic::ReadNone: + if (addComma) + OS << ","; + OS << "Attribute::ReadNone"; + addComma = true; break; } ++ai; } while (ai != ae && intrinsic.ArgumentAttributes[ai].first == argNo); - - OS << " AWI[" << numAttrs++ << "] = AttributeWithIndex::get(C, " - << argNo+1 << ", AttrVec);\n"; + OS << "};\n"; + OS << " AS[" << numAttrs++ << "] = AttributeSet::get(C, " + << argNo+1 << ", AttrParam" << argNo +1 << ");\n"; } } - ModRefKind modRef = getModRefKind(intrinsic); - - if (!intrinsic.canThrow || modRef || intrinsic.isNoReturn) { - OS << " AttrVec.clear();\n"; - - if (!intrinsic.canThrow) - OS << " AttrVec.push_back(Attribute::NoUnwind);\n"; - if (intrinsic.isNoReturn) - OS << " AttrVec.push_back(Attribute::NoReturn);\n"; + if (!intrinsic.canThrow || + intrinsic.ModRef != CodeGenIntrinsic::ReadWriteMem || + intrinsic.isNoReturn || intrinsic.isNoDuplicate || + intrinsic.isConvergent) { + OS << " const Attribute::AttrKind Atts[] = {"; + bool addComma = false; + if (!intrinsic.canThrow) { + OS << "Attribute::NoUnwind"; + addComma = true; + } + if (intrinsic.isNoReturn) { + if (addComma) + OS << ","; + OS << "Attribute::NoReturn"; + addComma = true; + } + if (intrinsic.isNoDuplicate) { + if (addComma) + OS << ","; + OS << "Attribute::NoDuplicate"; + addComma = true; + } + if (intrinsic.isConvergent) { + if (addComma) + OS << ","; + OS << "Attribute::Convergent"; + addComma = true; + } - switch (modRef) { - case MRK_none: break; - case MRK_readonly: - OS << " AttrVec.push_back(Attribute::ReadOnly);\n"; + switch (intrinsic.ModRef) { + case CodeGenIntrinsic::NoMem: + if (addComma) + OS << ","; + OS << "Attribute::ReadNone"; break; - case MRK_readnone: - OS << " AttrVec.push_back(Attribute::ReadNone);\n"; + case CodeGenIntrinsic::ReadArgMem: + if (addComma) + OS << ","; + OS << "Attribute::ReadOnly,"; + OS << "Attribute::ArgMemOnly"; + break; + case CodeGenIntrinsic::ReadMem: + if (addComma) + OS << ","; + OS << "Attribute::ReadOnly"; + break; + case CodeGenIntrinsic::ReadWriteArgMem: + if (addComma) + OS << ","; + OS << "Attribute::ArgMemOnly"; + break; + case CodeGenIntrinsic::ReadWriteMem: break; } - OS << " AWI[" << numAttrs++ << "] = AttributeWithIndex::get(C, " - << "AttributeSet::FunctionIndex, AttrVec);\n"; + OS << "};\n"; + OS << " AS[" << numAttrs++ << "] = AttributeSet::get(C, " + << "AttributeSet::FunctionIndex, Atts);\n"; } if (numAttrs) { OS << " NumAttrs = " << numAttrs << ";\n"; OS << " break;\n"; + OS << " }\n"; } else { OS << " return AttributeSet();\n"; + OS << " }\n"; } } - + OS << " }\n"; OS << " }\n"; - OS << " return AttributeSet::get(C, ArrayRef(AWI, " - "NumAttrs));\n"; + OS << " return AttributeSet::get(C, makeArrayRef(AS, NumAttrs));\n"; OS << "}\n"; OS << "#endif // GET_INTRINSIC_ATTRIBUTES\n\n"; } -/// EmitModRefBehavior - Determine intrinsic alias analysis mod/ref behavior. -void IntrinsicEmitter:: -EmitModRefBehavior(const std::vector &Ints, raw_ostream &OS){ - OS << "// Determine intrinsic alias analysis mod/ref behavior.\n" - << "#ifdef GET_INTRINSIC_MODREF_BEHAVIOR\n" - << "assert(iid <= Intrinsic::" << Ints.back().EnumName << " && " - << "\"Unknown intrinsic.\");\n\n"; - - OS << "static const uint8_t IntrinsicModRefBehavior[] = {\n" - << " /* invalid */ UnknownModRefBehavior,\n"; - for (unsigned i = 0, e = Ints.size(); i != e; ++i) { - OS << " /* " << TargetPrefix << Ints[i].EnumName << " */ "; - switch (Ints[i].ModRef) { - case CodeGenIntrinsic::NoMem: - OS << "DoesNotAccessMemory,\n"; - break; - case CodeGenIntrinsic::ReadArgMem: - OS << "OnlyReadsArgumentPointees,\n"; - break; - case CodeGenIntrinsic::ReadMem: - OS << "OnlyReadsMemory,\n"; - break; - case CodeGenIntrinsic::ReadWriteArgMem: - OS << "OnlyAccessesArgumentPointees,\n"; - break; - case CodeGenIntrinsic::ReadWriteMem: - OS << "UnknownModRefBehavior,\n"; - break; - } - } - OS << "};\n\n" - << "return static_cast(IntrinsicModRefBehavior[iid]);\n" - << "#endif // GET_INTRINSIC_MODREF_BEHAVIOR\n\n"; -} - /// EmitTargetBuiltins - All of the builtins in the specified map are for the /// same target, and we already checked it. static void EmitTargetBuiltins(const std::map &BIM, const std::string &TargetPrefix, raw_ostream &OS) { - + std::vector Results; - + for (std::map::const_iterator I = BIM.begin(), E = BIM.end(); I != E; ++I) { std::string ResultCode = "return " + TargetPrefix + "Intrinsic::" + I->second + ";"; - Results.push_back(StringMatcher::StringPair(I->first, ResultCode)); + Results.emplace_back(I->first, ResultCode); } StringMatcher("BuiltinName", Results, OS).Emit(); } - + void IntrinsicEmitter:: -EmitIntrinsicToGCCBuiltinMap(const std::vector &Ints, +EmitIntrinsicToGCCBuiltinMap(const std::vector &Ints, raw_ostream &OS) { typedef std::map > BIMTy; BIMTy BuiltinMap; @@ -690,20 +732,20 @@ EmitIntrinsicToGCCBuiltinMap(const std::vector &Ints, if (!Ints[i].GCCBuiltinName.empty()) { // Get the map for this target prefix. std::map &BIM =BuiltinMap[Ints[i].TargetPrefix]; - + if (!BIM.insert(std::make_pair(Ints[i].GCCBuiltinName, Ints[i].EnumName)).second) PrintFatalError("Intrinsic '" + Ints[i].TheDef->getName() + "': duplicate GCC builtin name!"); } } - + OS << "// Get the LLVM intrinsic that corresponds to a GCC builtin.\n"; OS << "// This is used by the C front-end. The GCC builtin name is passed\n"; OS << "// in as BuiltinName, and a target prefix (e.g. 'ppc') is passed\n"; OS << "// in as TargetPrefix. The result is assigned to 'IntrinsicID'.\n"; OS << "#ifdef GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN\n"; - + if (TargetOnly) { OS << "static " << TargetPrefix << "Intrinsic::ID " << "getIntrinsicForGCCBuiltin(const char " @@ -712,10 +754,10 @@ EmitIntrinsicToGCCBuiltinMap(const std::vector &Ints, OS << "Intrinsic::ID Intrinsic::getIntrinsicForGCCBuiltin(const char " << "*TargetPrefixStr, const char *BuiltinNameStr) {\n"; } - + OS << " StringRef BuiltinName(BuiltinNameStr);\n"; OS << " StringRef TargetPrefix(TargetPrefixStr);\n\n"; - + // Note: this could emit significantly better code if we cared. for (BIMTy::iterator I = BuiltinMap.begin(), E = BuiltinMap.end();I != E;++I){ OS << " "; @@ -737,10 +779,55 @@ EmitIntrinsicToGCCBuiltinMap(const std::vector &Ints, OS << "#endif\n\n"; } -namespace llvm { +void IntrinsicEmitter:: +EmitIntrinsicToMSBuiltinMap(const std::vector &Ints, + raw_ostream &OS) { + std::map> TargetBuiltins; -void EmitIntrinsics(RecordKeeper &RK, raw_ostream &OS, bool TargetOnly = false) { - IntrinsicEmitter(RK, TargetOnly).run(OS); + for (const auto &Intrinsic : Ints) { + if (Intrinsic.MSBuiltinName.empty()) + continue; + + auto &Builtins = TargetBuiltins[Intrinsic.TargetPrefix]; + if (!Builtins.insert(std::make_pair(Intrinsic.MSBuiltinName, + Intrinsic.EnumName)).second) + PrintFatalError("Intrinsic '" + Intrinsic.TheDef->getName() + "': " + "duplicate MS builtin name!"); + } + + OS << "// Get the LLVM intrinsic that corresponds to a MS builtin.\n" + "// This is used by the C front-end. The MS builtin name is passed\n" + "// in as a BuiltinName, and a target prefix (e.g. 'arm') is passed\n" + "// in as a TargetPrefix. The result is assigned to 'IntrinsicID'.\n" + "#ifdef GET_LLVM_INTRINSIC_FOR_MS_BUILTIN\n"; + + OS << (TargetOnly ? "static " + TargetPrefix : "") << "Intrinsic::ID " + << (TargetOnly ? "" : "Intrinsic::") + << "getIntrinsicForMSBuiltin(const char *TP, const char *BN) {\n"; + OS << " StringRef BuiltinName(BN);\n" + " StringRef TargetPrefix(TP);\n" + "\n"; + + for (const auto &Builtins : TargetBuiltins) { + OS << " "; + if (Builtins.first.empty()) + OS << "/* Target Independent Builtins */ "; + else + OS << "if (TargetPrefix == \"" << Builtins.first << "\") "; + OS << "{\n"; + EmitTargetBuiltins(Builtins.second, TargetPrefix, OS); + OS << "}"; + } + + OS << " return "; + if (!TargetPrefix.empty()) + OS << "(" << TargetPrefix << "Intrinsic::ID)"; + OS << "Intrinsic::not_intrinsic;\n"; + OS << "}\n"; + + OS << "#endif\n\n"; } -} // End llvm namespace +void llvm::EmitIntrinsics(RecordKeeper &RK, raw_ostream &OS, bool TargetOnly) { + IntrinsicEmitter(RK, TargetOnly).run(OS); +}