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-rw-r--r--utils/TableGen/IntrinsicEmitter.cpp133
1 files changed, 93 insertions, 40 deletions
diff --git a/utils/TableGen/IntrinsicEmitter.cpp b/utils/TableGen/IntrinsicEmitter.cpp
index 8f137f83d34b..34358c41a742 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"
@@ -45,8 +46,6 @@ public:
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,
@@ -55,6 +54,8 @@ public:
raw_ostream &OS);
void EmitIntrinsicToGCCBuiltinMap(const std::vector<CodeGenIntrinsic> &Ints,
raw_ostream &OS);
+ void EmitIntrinsicToMSBuiltinMap(const std::vector<CodeGenIntrinsic> &Ints,
+ raw_ostream &OS);
void EmitSuffix(raw_ostream &OS);
};
} // End anonymous namespace
@@ -97,6 +98,9 @@ void IntrinsicEmitter::run(raw_ostream &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);
}
@@ -125,26 +129,13 @@ void IntrinsicEmitter::EmitEnumInfo(const std::vector<CodeGenIntrinsic> &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";
}
-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) {
@@ -158,15 +149,17 @@ EmitFnNameRecognizer(const std::vector<CodeGenIntrinsic> &Ints,
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);
+ // 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.
@@ -258,18 +251,19 @@ enum IIT_Info {
IIT_STRUCT3 = 20,
IIT_STRUCT4 = 21,
IIT_STRUCT5 = 22,
- IIT_EXTEND_VEC_ARG = 23,
- IIT_TRUNC_VEC_ARG = 24,
+ IIT_EXTEND_ARG = 23,
+ IIT_TRUNC_ARG = 24,
IIT_ANYPTR = 25,
IIT_V1 = 26,
- IIT_VARARG = 27
+ IIT_VARARG = 27,
+ IIT_HALF_VEC_ARG = 28
};
static void EncodeFixedValueType(MVT::SimpleValueType VT,
std::vector<unsigned char> &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);
@@ -304,10 +298,12 @@ static void EncodeFixedType(Record *R, std::vector<unsigned char> &ArgCodes,
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
Sig.push_back(IIT_ARG);
return Sig.push_back((Number << 2) | ArgCodes[Number]);
@@ -350,8 +346,8 @@ static void EncodeFixedType(Record *R, std::vector<unsigned char> &ArgCodes,
}
}
- 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;
@@ -362,8 +358,7 @@ static void EncodeFixedType(Record *R, std::vector<unsigned char> &ArgCodes,
case 32: Sig.push_back(IIT_V32); break;
}
- return EncodeFixedValueType(VVT.getVectorElementType().
- getSimpleVT().SimpleTy, Sig);
+ return EncodeFixedValueType(VVT.getVectorElementType().SimpleTy, Sig);
}
EncodeFixedValueType(VT, Sig);
@@ -391,7 +386,7 @@ 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)
@@ -488,11 +483,13 @@ void IntrinsicEmitter::EmitGenerator(const std::vector<CodeGenIntrinsic> &Ints,
OS << "#endif\n\n"; // End of GET_INTRINSIC_GENERATOR_GLOBAL
}
+namespace {
enum ModRefKind {
MRK_none,
MRK_readonly,
MRK_readnone
};
+}
static ModRefKind getModRefKind(const CodeGenIntrinsic &intrinsic) {
switch (intrinsic.ModRef) {
@@ -515,6 +512,9 @@ 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;
@@ -629,7 +629,8 @@ EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, raw_ostream &OS) {
ModRefKind modRef = getModRefKind(intrinsic);
- if (!intrinsic.canThrow || modRef || intrinsic.isNoReturn) {
+ if (!intrinsic.canThrow || modRef || intrinsic.isNoReturn ||
+ intrinsic.isNoDuplicate) {
OS << " const Attribute::AttrKind Atts[] = {";
bool addComma = false;
if (!intrinsic.canThrow) {
@@ -642,6 +643,12 @@ EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, raw_ostream &OS) {
OS << "Attribute::NoReturn";
addComma = true;
}
+ if (intrinsic.isNoDuplicate) {
+ if (addComma)
+ OS << ",";
+ OS << "Attribute::NoDuplicate";
+ addComma = true;
+ }
switch (modRef) {
case MRK_none: break;
@@ -667,6 +674,7 @@ EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, raw_ostream &OS) {
OS << " }\n";
} else {
OS << " return AttributeSet();\n";
+ OS << " }\n";
}
}
@@ -788,10 +796,55 @@ EmitIntrinsicToGCCBuiltinMap(const std::vector<CodeGenIntrinsic> &Ints,
OS << "#endif\n\n";
}
-namespace llvm {
+void IntrinsicEmitter::
+EmitIntrinsicToMSBuiltinMap(const std::vector<CodeGenIntrinsic> &Ints,
+ raw_ostream &OS) {
+ std::map<std::string, std::map<std::string, std::string>> 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);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-06 14:09:26 +0000