//
//===----------------------------------------------------------------------===//
+#include "CodeGenIntrinsics.h"
#include "CodeGenTarget.h"
-#include "IntrinsicEmitter.h"
+#include "SequenceToOffsetTable.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/TableGen/Error.h"
#include "llvm/TableGen/Record.h"
#include "llvm/TableGen/StringMatcher.h"
-#include "llvm/ADT/StringExtras.h"
+#include "llvm/TableGen/TableGenBackend.h"
#include <algorithm>
using namespace llvm;
+namespace {
+class IntrinsicEmitter {
+ RecordKeeper &Records;
+ bool TargetOnly;
+ std::string TargetPrefix;
+
+public:
+ IntrinsicEmitter(RecordKeeper &R, bool T)
+ : Records(R), TargetOnly(T) {}
+
+ void run(raw_ostream &OS);
+
+ void EmitPrefix(raw_ostream &OS);
+
+ void EmitEnumInfo(const std::vector<CodeGenIntrinsic> &Ints,
+ raw_ostream &OS);
+
+ void EmitFnNameRecognizer(const std::vector<CodeGenIntrinsic> &Ints,
+ raw_ostream &OS);
+ void EmitIntrinsicToNameTable(const std::vector<CodeGenIntrinsic> &Ints,
+ raw_ostream &OS);
+ void EmitIntrinsicToOverloadTable(const std::vector<CodeGenIntrinsic> &Ints,
+ raw_ostream &OS);
+ void EmitVerifier(const std::vector<CodeGenIntrinsic> &Ints,
+ raw_ostream &OS);
+ void EmitGenerator(const std::vector<CodeGenIntrinsic> &Ints,
+ raw_ostream &OS);
+ void EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints,
+ raw_ostream &OS);
+ void EmitModRefBehavior(const std::vector<CodeGenIntrinsic> &Ints,
+ raw_ostream &OS);
+ void EmitIntrinsicToGCCBuiltinMap(const std::vector<CodeGenIntrinsic> &Ints,
+ raw_ostream &OS);
+ void EmitSuffix(raw_ostream &OS);
+};
+} // End anonymous namespace
+
//===----------------------------------------------------------------------===//
// IntrinsicEmitter Implementation
//===----------------------------------------------------------------------===//
void IntrinsicEmitter::run(raw_ostream &OS) {
- EmitSourceFileHeader("Intrinsic Function Source Fragment", OS);
-
+ emitSourceFileHeader("Intrinsic Function Source Fragment", OS);
+
std::vector<CodeGenIntrinsic> Ints = LoadIntrinsics(Records, TargetOnly);
-
+
if (TargetOnly && !Ints.empty())
TargetPrefix = Ints[0].TargetPrefix;
// Emit the function name recognizer.
EmitFnNameRecognizer(Ints, OS);
- // Emit the intrinsic verifier.
- EmitVerifier(Ints, OS);
-
// Emit the intrinsic declaration generator.
EmitGenerator(Ints, OS);
OS << "#endif\n\n";
}
+struct IntrinsicNameSorter {
+ IntrinsicNameSorter(const std::vector<CodeGenIntrinsic> &I)
+ : Ints(I) {}
+
+ // Sort in reverse order of intrinsic name so "abc.def" appears after
+ // "abd.def.ghi" in the overridden name matcher
+ bool operator()(unsigned i, unsigned j) {
+ return Ints[i].Name > Ints[j].Name;
+ }
+
+private:
+ const std::vector<CodeGenIntrinsic> &Ints;
+};
+
void IntrinsicEmitter::
EmitFnNameRecognizer(const std::vector<CodeGenIntrinsic> &Ints,
raw_ostream &OS) {
OS << " StringRef NameR(Name+6, Len-6); // Skip over 'llvm.'\n";
OS << " switch (Name[5]) { // Dispatch on first letter.\n";
OS << " default: break;\n";
+ IntrinsicNameSorter Sorter(Ints);
// Emit the intrinsic matching stuff by first letter.
for (std::map<char, std::vector<unsigned> >::iterator I = IntMapping.begin(),
E = IntMapping.end(); I != E; ++I) {
OS << " case '" << I->first << "':\n";
std::vector<unsigned> &IntList = I->second;
+ // Sort intrinsics in reverse order of their names
+ std::sort(IntList.begin(), IntList.end(), Sorter);
+
// Emit all the overloaded intrinsics first, build a table of the
// non-overloaded ones.
std::vector<StringMatcher::StringPair> MatchTable;
OS << "#endif\n\n";
}
-/// RecordListComparator - Provide a deterministic comparator for lists of
-/// records.
-namespace {
- typedef std::pair<std::vector<Record*>, std::vector<Record*> > RecPair;
- struct RecordListComparator {
- bool operator()(const RecPair &LHS,
- const RecPair &RHS) const {
- unsigned i = 0;
- const std::vector<Record*> *LHSVec = &LHS.first;
- const std::vector<Record*> *RHSVec = &RHS.first;
- unsigned RHSSize = RHSVec->size();
- unsigned LHSSize = LHSVec->size();
-
- for (; i != LHSSize; ++i) {
- if (i == RHSSize) return false; // RHS is shorter than LHS.
- if ((*LHSVec)[i] != (*RHSVec)[i])
- return (*LHSVec)[i]->getName() < (*RHSVec)[i]->getName();
- }
-
- if (i != RHSSize) return true;
-
- i = 0;
- LHSVec = &LHS.second;
- RHSVec = &RHS.second;
- RHSSize = RHSVec->size();
- LHSSize = LHSVec->size();
-
- for (i = 0; i != LHSSize; ++i) {
- if (i == RHSSize) return false; // RHS is shorter than LHS.
- if ((*LHSVec)[i] != (*RHSVec)[i])
- return (*LHSVec)[i]->getName() < (*RHSVec)[i]->getName();
- }
-
- return i != RHSSize;
- }
- };
-}
-
-void IntrinsicEmitter::EmitVerifier(const std::vector<CodeGenIntrinsic> &Ints,
- raw_ostream &OS) {
- OS << "// Verifier::visitIntrinsicFunctionCall code.\n";
- OS << "#ifdef GET_INTRINSIC_VERIFIER\n";
- OS << " switch (ID) {\n";
- OS << " default: llvm_unreachable(\"Invalid intrinsic!\");\n";
-
- // This checking can emit a lot of very common code. To reduce the amount of
- // code that we emit, batch up cases that have identical types. This avoids
- // problems where GCC can run out of memory compiling Verifier.cpp.
- typedef std::map<RecPair, std::vector<unsigned>, RecordListComparator> MapTy;
- MapTy UniqueArgInfos;
-
- // Compute the unique argument type info.
- for (unsigned i = 0, e = Ints.size(); i != e; ++i)
- UniqueArgInfos[make_pair(Ints[i].IS.RetTypeDefs,
- Ints[i].IS.ParamTypeDefs)].push_back(i);
-
- // Loop through the array, emitting one comparison for each batch.
- for (MapTy::iterator I = UniqueArgInfos.begin(),
- E = UniqueArgInfos.end(); I != E; ++I) {
- for (unsigned i = 0, e = I->second.size(); i != e; ++i)
- OS << " case Intrinsic::" << Ints[I->second[i]].EnumName << ":\t\t// "
- << Ints[I->second[i]].Name << "\n";
-
- const RecPair &ArgTypes = I->first;
- const std::vector<Record*> &RetTys = ArgTypes.first;
- const std::vector<Record*> &ParamTys = ArgTypes.second;
- std::vector<unsigned> OverloadedTypeIndices;
-
- OS << " VerifyIntrinsicPrototype(ID, IF, " << RetTys.size() << ", "
- << ParamTys.size();
-
- // Emit return types.
- for (unsigned j = 0, je = RetTys.size(); j != je; ++j) {
- Record *ArgType = RetTys[j];
- OS << ", ";
-
- if (ArgType->isSubClassOf("LLVMMatchType")) {
- unsigned Number = ArgType->getValueAsInt("Number");
- assert(Number < OverloadedTypeIndices.size() &&
- "Invalid matching number!");
- Number = OverloadedTypeIndices[Number];
- if (ArgType->isSubClassOf("LLVMExtendedElementVectorType"))
- OS << "~(ExtendedElementVectorType | " << Number << ")";
- else if (ArgType->isSubClassOf("LLVMTruncatedElementVectorType"))
- OS << "~(TruncatedElementVectorType | " << Number << ")";
- else
- OS << "~" << Number;
- } else {
- MVT::SimpleValueType VT = getValueType(ArgType->getValueAsDef("VT"));
- OS << getEnumName(VT);
-
- if (EVT(VT).isOverloaded())
- OverloadedTypeIndices.push_back(j);
-
- if (VT == MVT::isVoid && j != 0 && j != je - 1)
- throw "Var arg type not last argument";
- }
- }
-
- // Emit the parameter types.
- for (unsigned j = 0, je = ParamTys.size(); j != je; ++j) {
- Record *ArgType = ParamTys[j];
- OS << ", ";
-
- if (ArgType->isSubClassOf("LLVMMatchType")) {
- unsigned Number = ArgType->getValueAsInt("Number");
- assert(Number < OverloadedTypeIndices.size() &&
- "Invalid matching number!");
- Number = OverloadedTypeIndices[Number];
- if (ArgType->isSubClassOf("LLVMExtendedElementVectorType"))
- OS << "~(ExtendedElementVectorType | " << Number << ")";
- else if (ArgType->isSubClassOf("LLVMTruncatedElementVectorType"))
- OS << "~(TruncatedElementVectorType | " << Number << ")";
- else
- OS << "~" << Number;
- } else {
- MVT::SimpleValueType VT = getValueType(ArgType->getValueAsDef("VT"));
- OS << getEnumName(VT);
-
- if (EVT(VT).isOverloaded())
- OverloadedTypeIndices.push_back(j + RetTys.size());
-
- if (VT == MVT::isVoid && j != 0 && j != je - 1)
- throw "Var arg type not last argument";
- }
- }
-
- OS << ");\n";
- OS << " break;\n";
- }
- OS << " }\n";
- OS << "#endif\n\n";
-}
-
-static void EmitTypeForValueType(raw_ostream &OS, MVT::SimpleValueType VT) {
- if (EVT(VT).isInteger()) {
- unsigned BitWidth = EVT(VT).getSizeInBits();
- OS << "IntegerType::get(Context, " << BitWidth << ")";
- } else if (VT == MVT::Other) {
- // MVT::OtherVT is used to mean the empty struct type here.
- OS << "StructType::get(Context)";
- } else if (VT == MVT::f16) {
- OS << "Type::getHalfTy(Context)";
- } else if (VT == MVT::f32) {
- OS << "Type::getFloatTy(Context)";
- } else if (VT == MVT::f64) {
- OS << "Type::getDoubleTy(Context)";
- } else if (VT == MVT::f80) {
- OS << "Type::getX86_FP80Ty(Context)";
- } else if (VT == MVT::f128) {
- OS << "Type::getFP128Ty(Context)";
- } else if (VT == MVT::ppcf128) {
- OS << "Type::getPPC_FP128Ty(Context)";
- } else if (VT == MVT::isVoid) {
- OS << "Type::getVoidTy(Context)";
- } else if (VT == MVT::Metadata) {
- OS << "Type::getMetadataTy(Context)";
- } else if (VT == MVT::x86mmx) {
- OS << "Type::getX86_MMXTy(Context)";
- } else {
- assert(false && "Unsupported ValueType!");
- }
-}
-
-static void EmitTypeGenerate(raw_ostream &OS, const Record *ArgType,
- unsigned &ArgNo);
-
-static void EmitTypeGenerate(raw_ostream &OS,
- const std::vector<Record*> &ArgTypes,
- unsigned &ArgNo) {
- if (ArgTypes.empty())
- return EmitTypeForValueType(OS, MVT::isVoid);
-
- if (ArgTypes.size() == 1)
- return EmitTypeGenerate(OS, ArgTypes.front(), ArgNo);
-
- OS << "StructType::get(";
-
- for (std::vector<Record*>::const_iterator
- I = ArgTypes.begin(), E = ArgTypes.end(); I != E; ++I) {
- EmitTypeGenerate(OS, *I, ArgNo);
- OS << ", ";
- }
-
- OS << " NULL)";
-}
-
-static void EmitTypeGenerate(raw_ostream &OS, const Record *ArgType,
- unsigned &ArgNo) {
- MVT::SimpleValueType VT = getValueType(ArgType->getValueAsDef("VT"));
-
- if (ArgType->isSubClassOf("LLVMMatchType")) {
- unsigned Number = ArgType->getValueAsInt("Number");
- assert(Number < ArgNo && "Invalid matching number!");
- if (ArgType->isSubClassOf("LLVMExtendedElementVectorType"))
- OS << "VectorType::getExtendedElementVectorType"
- << "(cast<VectorType>(Tys[" << Number << "]))";
- else if (ArgType->isSubClassOf("LLVMTruncatedElementVectorType"))
- OS << "VectorType::getTruncatedElementVectorType"
- << "(cast<VectorType>(Tys[" << Number << "]))";
- else
- OS << "Tys[" << Number << "]";
- } else if (VT == MVT::iAny || VT == MVT::fAny || VT == MVT::vAny) {
- // NOTE: The ArgNo variable here is not the absolute argument number, it is
- // the index of the "arbitrary" type in the Tys array passed to the
- // Intrinsic::getDeclaration function. Consequently, we only want to
- // increment it when we actually hit an overloaded type. Getting this wrong
- // leads to very subtle bugs!
- OS << "Tys[" << ArgNo++ << "]";
- } else if (EVT(VT).isVector()) {
- EVT VVT = VT;
- OS << "VectorType::get(";
- EmitTypeForValueType(OS, VVT.getVectorElementType().getSimpleVT().SimpleTy);
- OS << ", " << VVT.getVectorNumElements() << ")";
- } else if (VT == MVT::iPTR) {
- OS << "PointerType::getUnqual(";
- EmitTypeGenerate(OS, ArgType->getValueAsDef("ElTy"), ArgNo);
- OS << ")";
- } else if (VT == MVT::iPTRAny) {
- // Make sure the user has passed us an argument type to overload. If not,
- // treat it as an ordinary (not overloaded) intrinsic.
- OS << "(" << ArgNo << " < Tys.size()) ? Tys[" << ArgNo
- << "] : PointerType::getUnqual(";
- EmitTypeGenerate(OS, ArgType->getValueAsDef("ElTy"), ArgNo);
- OS << ")";
- ++ArgNo;
- } else if (VT == MVT::isVoid) {
- assert(ArgNo == 0);
- OS << "Type::getVoidTy(Context)";
- } else {
- EmitTypeForValueType(OS, VT);
- }
-}
-
-// NOTE: This must be kept in synch with the version emitted to the .gen file!
+// NOTE: This must be kept in synch with the copy in lib/VMCore/Function.cpp!
enum IIT_Info {
+ // Common values should be encoded with 0-15.
IIT_Done = 0,
IIT_I1 = 1,
IIT_I8 = 2,
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_MMX = 12,
- IIT_PTR = 13,
- IIT_ARG = 14
+ 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_MMX = 16,
+ IIT_METADATA = 17,
+ IIT_EMPTYSTRUCT = 18,
+ IIT_STRUCT2 = 19,
+ IIT_STRUCT3 = 20,
+ IIT_STRUCT4 = 21,
+ IIT_STRUCT5 = 22,
+ IIT_EXTEND_VEC_ARG = 23,
+ IIT_TRUNC_VEC_ARG = 24,
+ IIT_ANYPTR = 25,
+ IIT_V1 = 26
};
+
static void EncodeFixedValueType(MVT::SimpleValueType VT,
- SmallVectorImpl<unsigned> &Sig) {
+ std::vector<unsigned char> &Sig) {
if (EVT(VT).isInteger()) {
unsigned BitWidth = EVT(VT).getSizeInBits();
switch (BitWidth) {
- default: return Sig.push_back(~0U);
+ default: PrintFatalError("unhandled integer type width in intrinsic!");
case 1: return Sig.push_back(IIT_I1);
case 8: return Sig.push_back(IIT_I8);
case 16: return Sig.push_back(IIT_I16);
}
}
-/* } else if (VT == MVT::Other) {
- // MVT::OtherVT is used to mean the empty struct type here.
- OS << "StructType::get(Context)";
- } else if (VT == MVT::f16) {
- OS << "Type::getHalfTy(Context)";*/
- if (VT == MVT::f32)
- return Sig.push_back(IIT_F32);
- if (VT == MVT::f64)
- return Sig.push_back(IIT_F64);
- //if (VT == MVT::f80) {
- // OS << "Type::getX86_FP80Ty(Context)";
- //if (VT == MVT::f128) {
- // OS << "Type::getFP128Ty(Context)";
- // if (VT == MVT::ppcf128) {
- // OS << "Type::getPPC_FP128Ty(Context)";
- //if (VT == MVT::Metadata) {
- // OS << "Type::getMetadataTy(Context)";
- if (VT == MVT::x86mmx)
- return Sig.push_back(IIT_MMX);
-
- assert(VT != MVT::isVoid);
- Sig.push_back(~0U);
+ 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::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);
+ }
}
#ifdef _MSC_VER
#pragma optimize("",off) // MSVC 2010 optimizer can't deal with this function.
#endif
-static void EncodeFixedType(Record *R, SmallVectorImpl<unsigned> &Sig) {
+static void EncodeFixedType(Record *R, std::vector<unsigned char> &ArgCodes,
+ std::vector<unsigned char> &Sig) {
if (R->isSubClassOf("LLVMMatchType")) {
- return Sig.push_back(~0U);
-/*
- unsigned Number = ArgType->getValueAsInt("Number");
- assert(Number < ArgNo && "Invalid matching number!");
- if (ArgType->isSubClassOf("LLVMExtendedElementVectorType"))
- OS << "VectorType::getExtendedElementVectorType"
- << "(cast<VectorType>(Tys[" << Number << "]))";
- else if (ArgType->isSubClassOf("LLVMTruncatedElementVectorType"))
- OS << "VectorType::getTruncatedElementVectorType"
- << "(cast<VectorType>(Tys[" << Number << "]))";
+ 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);
else
- OS << "Tys[" << Number << "]";
- */
+ Sig.push_back(IIT_ARG);
+ return Sig.push_back((Number << 2) | ArgCodes[Number]);
}
MVT::SimpleValueType VT = getValueType(R->getValueAsDef("VT"));
+
+ unsigned Tmp = 0;
+ switch (VT) {
+ default: break;
+ case MVT::iPTRAny: ++Tmp; // FALL THROUGH.
+ case MVT::vAny: ++Tmp; // FALL THROUGH.
+ case MVT::fAny: ++Tmp; // FALL THROUGH.
+ case MVT::iAny: {
+ // If this is an "any" valuetype, then the type is the type of the next
+ // 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);
+ }
- if (VT == MVT::iAny || VT == MVT::fAny || VT == MVT::vAny) {
- return Sig.push_back(~0U);
- /*
- // NOTE: The ArgNo variable here is not the absolute argument number, it is
- // the index of the "arbitrary" type in the Tys array passed to the
- // Intrinsic::getDeclaration function. Consequently, we only want to
- // increment it when we actually hit an overloaded type. Getting this wrong
- // leads to very subtle bugs!
- OS << "Tys[" << ArgNo++ << "]";
- */
+ case MVT::iPTR: {
+ unsigned AddrSpace = 0;
+ if (R->isSubClassOf("LLVMQualPointerType")) {
+ AddrSpace = R->getValueAsInt("AddrSpace");
+ assert(AddrSpace < 256 && "Address space exceeds 255");
+ }
+ if (AddrSpace) {
+ Sig.push_back(IIT_ANYPTR);
+ Sig.push_back(AddrSpace);
+ } else {
+ Sig.push_back(IIT_PTR);
+ }
+ return EncodeFixedType(R->getValueAsDef("ElTy"), ArgCodes, Sig);
+ }
}
if (EVT(VT).isVector()) {
EVT VVT = VT;
switch (VVT.getVectorNumElements()) {
- default: Sig.push_back(~0U); return;
+ 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;
}
return EncodeFixedValueType(VVT.getVectorElementType().
getSimpleVT().SimpleTy, Sig);
}
-
- if (VT == MVT::iPTR) {
- Sig.push_back(IIT_PTR);
- return EncodeFixedType(R->getValueAsDef("ElTy"), Sig);
- }
-
- /*if (VT == MVT::iPTRAny) {
- // Make sure the user has passed us an argument type to overload. If not,
- // treat it as an ordinary (not overloaded) intrinsic.
- OS << "(" << ArgNo << " < Tys.size()) ? Tys[" << ArgNo
- << "] : PointerType::getUnqual(";
- EmitTypeGenerate(OS, ArgType->getValueAsDef("ElTy"), ArgNo);
- OS << ")";
- ++ArgNo;
- }*/
-
- assert(VT != MVT::isVoid);
+
EncodeFixedValueType(VT, Sig);
}
/// ComputeFixedEncoding - If we can encode the type signature for this
/// intrinsic into 32 bits, return it. If not, return ~0U.
-static unsigned ComputeFixedEncoding(const CodeGenIntrinsic &Int) {
- if (Int.IS.RetVTs.size() >= 2) return ~0U;
+static void ComputeFixedEncoding(const CodeGenIntrinsic &Int,
+ std::vector<unsigned char> &TypeSig) {
+ std::vector<unsigned char> ArgCodes;
- SmallVector<unsigned, 8> TypeSig;
if (Int.IS.RetVTs.empty())
TypeSig.push_back(IIT_Done);
else if (Int.IS.RetVTs.size() == 1 &&
Int.IS.RetVTs[0] == MVT::isVoid)
TypeSig.push_back(IIT_Done);
- else
- EncodeFixedType(Int.IS.RetTypeDefs[0], TypeSig);
-
- for (unsigned i = 0, e = Int.IS.ParamTypeDefs.size(); i != e; ++i)
- EncodeFixedType(Int.IS.ParamTypeDefs[i], TypeSig);
-
- // Can only encode 8 nibbles into a 32-bit word.
- if (TypeSig.size() > 8) return ~0U;
-
- unsigned Result = 0;
- for (unsigned i = 0, e = TypeSig.size(); i != e; ++i) {
- // If we had an unencodable argument, bail out.
- if (TypeSig[i] == ~0U)
- return ~0U;
- Result = (Result << 4) | TypeSig[e-i-1];
+ else {
+ switch (Int.IS.RetVTs.size()) {
+ case 1: break;
+ case 2: TypeSig.push_back(IIT_STRUCT2); break;
+ 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");
+ }
+
+ for (unsigned i = 0, e = Int.IS.RetVTs.size(); i != e; ++i)
+ EncodeFixedType(Int.IS.RetTypeDefs[i], ArgCodes, TypeSig);
}
- return Result;
+ for (unsigned i = 0, e = Int.IS.ParamTypeDefs.size(); i != e; ++i)
+ EncodeFixedType(Int.IS.ParamTypeDefs[i], ArgCodes, TypeSig);
+}
+
+static void printIITEntry(raw_ostream &OS, unsigned char X) {
+ OS << (unsigned)X;
}
void IntrinsicEmitter::EmitGenerator(const std::vector<CodeGenIntrinsic> &Ints,
raw_ostream &OS) {
- OS << "// Global intrinsic function declaration type table.\n";
- OS << "#ifdef GET_INTRINSTIC_GENERATOR_GLOBAL\n";
- // NOTE: These enums must be kept in sync with the ones above!
- OS << "enum IIT_Info {\n";
- OS << " IIT_Done = 0,\n";
- OS << " IIT_I1 = 1,\n";
- OS << " IIT_I8 = 2,\n";
- OS << " IIT_I16 = 3,\n";
- OS << " IIT_I32 = 4,\n";
- OS << " IIT_I64 = 5,\n";
- OS << " IIT_F32 = 6,\n";
- OS << " IIT_F64 = 7,\n";
- OS << " IIT_V2 = 8,\n";
- OS << " IIT_V4 = 9,\n";
- OS << " IIT_V8 = 10,\n";
- OS << " IIT_V16 = 11,\n";
- OS << " IIT_MMX = 12,\n";
- OS << " IIT_PTR = 13,\n";
- OS << " IIT_ARG = 14\n";
- // 15 is unassigned so far.
- OS << "};\n\n";
-
-
- // Similar to GET_INTRINSIC_VERIFIER, batch up cases that have identical
- // types.
- typedef std::map<RecPair, std::vector<unsigned>, RecordListComparator> MapTy;
- MapTy UniqueArgInfos;
-
// 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<unsigned> FixedEncodings;
+ SequenceToOffsetTable<std::vector<unsigned char> > LongEncodingTable;
+
+ std::vector<unsigned char> TypeSig;
+
// Compute the unique argument type info.
for (unsigned i = 0, e = Ints.size(); i != e; ++i) {
- FixedEncodings.push_back(ComputeFixedEncoding(Ints[i]));
-
- // If we didn't compute a compact encoding, emit a long-form variant.
- if (FixedEncodings.back() == ~0U)
- UniqueArgInfos[make_pair(Ints[i].IS.RetTypeDefs,
- Ints[i].IS.ParamTypeDefs)].push_back(i);
+ // Get the signature for the intrinsic.
+ TypeSig.clear();
+ ComputeFixedEncoding(Ints[i], TypeSig);
+
+ // Check to see if we can encode it into a 32-bit word. We can only encode
+ // 8 nibbles into a 32-bit word.
+ if (TypeSig.size() <= 8) {
+ bool Failed = false;
+ unsigned Result = 0;
+ for (unsigned i = 0, e = TypeSig.size(); i != e; ++i) {
+ // If we had an unencodable argument, bail out.
+ if (TypeSig[i] > 15) {
+ Failed = true;
+ break;
+ }
+ 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);
+ continue;
+ }
+ }
+
+ // 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 (FixedEncodings[i] == ~0U)
- OS << "~0U, ";
- else
+
+ // 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#endif\n\n"; // End of GET_INTRINSTIC_GENERATOR_GLOBAL
+ OS << "0\n};\n\n";
- OS << "// Code for generating Intrinsic function declarations.\n";
- OS << "#ifdef GET_INTRINSIC_GENERATOR\n";
- OS << " switch (id) {\n";
- OS << " default: llvm_unreachable(\"Invalid intrinsic!\");\n";
-
- // Loop through the array, emitting one generator for each batch.
- std::string IntrinsicStr = TargetPrefix + "Intrinsic::";
+ // 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";
- for (MapTy::iterator I = UniqueArgInfos.begin(),
- E = UniqueArgInfos.end(); I != E; ++I) {
- for (unsigned i = 0, e = I->second.size(); i != e; ++i)
- OS << " case " << IntrinsicStr << Ints[I->second[i]].EnumName
- << ":\t\t// " << Ints[I->second[i]].Name << "\n";
-
- const RecPair &ArgTypes = I->first;
- const std::vector<Record*> &RetTys = ArgTypes.first;
- const std::vector<Record*> &ParamTys = ArgTypes.second;
-
- unsigned N = ParamTys.size();
- unsigned ArgNo = 0;
- OS << " ResultTy = ";
- EmitTypeGenerate(OS, RetTys, ArgNo);
- OS << ";\n";
-
- for (unsigned j = 0; j != N; ++j) {
- OS << " ArgTys.push_back(";
- EmitTypeGenerate(OS, ParamTys[j], ArgNo);
- OS << ");\n";
- }
+ OS << "#endif\n\n"; // End of GET_INTRINSIC_GENERATOR_GLOBAL
+}
- OS << " break;\n";
- }
+enum ModRefKind {
+ MRK_none,
+ MRK_readonly,
+ MRK_readnone
+};
- OS << " }\n";
- OS << "#endif\n\n";
+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");
}
namespace {
- enum ModRefKind {
- MRK_none,
- MRK_readonly,
- MRK_readnone
- };
-
- 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");
+struct AttributeComparator {
+ bool operator()(const CodeGenIntrinsic *L, const CodeGenIntrinsic *R) const {
+ // Sort throwing intrinsics after non-throwing intrinsics.
+ if (L->canThrow != R->canThrow)
+ return R->canThrow;
+
+ if (L->isNoReturn != R->isNoReturn)
+ return R->isNoReturn;
+
+ // Try to order by readonly/readnone attribute.
+ ModRefKind LK = getModRefKind(*L);
+ ModRefKind RK = getModRefKind(*R);
+ if (LK != RK) return (LK > RK);
+
+ // Order by argument attributes.
+ // This is reliable because each side is already sorted internally.
+ return (L->ArgumentAttributes < R->ArgumentAttributes);
}
-
- struct AttributeComparator {
- bool operator()(const CodeGenIntrinsic *L, const CodeGenIntrinsic *R) const {
- // Sort throwing intrinsics after non-throwing intrinsics.
- if (L->canThrow != R->canThrow)
- return R->canThrow;
-
- // Try to order by readonly/readnone attribute.
- ModRefKind LK = getModRefKind(*L);
- ModRefKind RK = getModRefKind(*R);
- if (LK != RK) return (LK > RK);
-
- // Order by argument attributes.
- // This is reliable because each side is already sorted internally.
- return (L->ArgumentAttributes < R->ArgumentAttributes);
- }
- };
-}
+};
+} // End anonymous namespace
/// EmitAttributes - This emits the Intrinsic::getAttributes method.
void IntrinsicEmitter::
OS << "// Add parameter attributes that are not common to all intrinsics.\n";
OS << "#ifdef GET_INTRINSIC_ATTRIBUTES\n";
if (TargetOnly)
- OS << "static AttrListPtr getAttributes(" << TargetPrefix
+ OS << "static AttributeSet getAttributes(LLVMContext &C, " << TargetPrefix
<< "Intrinsic::ID id) {\n";
else
- OS << "AttrListPtr Intrinsic::getAttributes(ID id) {\n";
+ OS << "AttributeSet Intrinsic::getAttributes(LLVMContext &C, ID id) {\n";
// Compute the maximum number of attribute arguments and the map
typedef std::map<const CodeGenIntrinsic*, unsigned,
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) {
}
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<Attribute::AttrKind, 8> AttrVec;\n";
OS << " switch(IntrinsicsToAttributesMap[id - ";
if (TargetOnly)
OS << "Intrinsic::num_intrinsics";
unsigned numAttrs = 0;
// The argument attributes are alreadys sorted by argument index.
- for (unsigned ai = 0, ae = intrinsic.ArgumentAttributes.size(); ai != ae;) {
- unsigned argNo = intrinsic.ArgumentAttributes[ai].first;
-
- OS << " AWI[" << numAttrs++ << "] = AttributeWithIndex::get("
- << argNo+1 << ", ";
-
- bool moreThanOne = false;
-
- do {
- if (moreThanOne) OS << '|';
-
- switch (intrinsic.ArgumentAttributes[ai].second) {
- case CodeGenIntrinsic::NoCapture:
- OS << "Attribute::NoCapture";
- break;
- }
-
- ++ai;
- moreThanOne = true;
- } while (ai != ae && intrinsic.ArgumentAttributes[ai].first == argNo);
-
- OS << ");\n";
+ unsigned ai = 0, ae = intrinsic.ArgumentAttributes.size();
+ if (ae) {
+ while (ai != ae) {
+ unsigned argNo = intrinsic.ArgumentAttributes[ai].first;
+
+ OS << " AttrVec.clear();\n";
+
+ do {
+ switch (intrinsic.ArgumentAttributes[ai].second) {
+ case CodeGenIntrinsic::NoCapture:
+ OS << " AttrVec.push_back(Attribute::NoCapture);\n";
+ break;
+ case CodeGenIntrinsic::ReadOnly:
+ OS << " AttrVec.push_back(Attribute::ReadOnly);\n";
+ break;
+ case CodeGenIntrinsic::ReadNone:
+ OS << " AttrVec.push_back(Attribute::ReadNone);\n";
+ break;
+ }
+
+ ++ai;
+ } while (ai != ae && intrinsic.ArgumentAttributes[ai].first == argNo);
+
+ OS << " AS[" << numAttrs++ << "] = AttributeSet::get(C, "
+ << argNo+1 << ", AttrVec);\n";
+ }
}
ModRefKind modRef = getModRefKind(intrinsic);
- if (!intrinsic.canThrow || modRef) {
- OS << " AWI[" << numAttrs++ << "] = AttributeWithIndex::get(~0, ";
- if (!intrinsic.canThrow) {
- OS << "Attribute::NoUnwind";
- if (modRef) OS << '|';
- }
+ 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";
+
switch (modRef) {
case MRK_none: break;
- case MRK_readonly: OS << "Attribute::ReadOnly"; break;
- case MRK_readnone: OS << "Attribute::ReadNone"; break;
+ case MRK_readonly:
+ OS << " AttrVec.push_back(Attribute::ReadOnly);\n";
+ break;
+ case MRK_readnone:
+ OS << " AttrVec.push_back(Attribute::ReadNone);\n";
+ break;
}
- OS << ");\n";
+ OS << " AS[" << numAttrs++ << "] = AttributeSet::get(C, "
+ << "AttributeSet::FunctionIndex, AttrVec);\n";
}
if (numAttrs) {
OS << " NumAttrs = " << numAttrs << ";\n";
OS << " break;\n";
} else {
- OS << " return AttrListPtr();\n";
+ OS << " return AttributeSet();\n";
}
}
OS << " }\n";
OS << " }\n";
- OS << " return AttrListPtr::get(AWI, NumAttrs);\n";
+ OS << " return AttributeSet::get(C, ArrayRef<AttributeSet>(AS, "
+ "NumAttrs));\n";
OS << "}\n";
OS << "#endif // GET_INTRINSIC_ATTRIBUTES\n\n";
}
if (!BIM.insert(std::make_pair(Ints[i].GCCBuiltinName,
Ints[i].EnumName)).second)
- throw "Intrinsic '" + Ints[i].TheDef->getName() +
- "': duplicate GCC builtin name!";
+ PrintFatalError("Intrinsic '" + Ints[i].TheDef->getName() +
+ "': duplicate GCC builtin name!");
}
}
OS << "}\n";
OS << "#endif\n\n";
}
+
+namespace llvm {
+
+void EmitIntrinsics(RecordKeeper &RK, raw_ostream &OS, bool TargetOnly = false) {
+ IntrinsicEmitter(RK, TargetOnly).run(OS);
+}
+
+} // End llvm namespace
projects / oota-llvm.git / blobdiff