111 lines
3.1 KiB
C++
111 lines
3.1 KiB
C++
//===- Attributes.cpp - Generate attributes -------------------------------===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Support/MemoryBuffer.h"
|
|
#include "llvm/TableGen/Record.h"
|
|
#include <algorithm>
|
|
#include <string>
|
|
#include <vector>
|
|
using namespace llvm;
|
|
|
|
#define DEBUG_TYPE "attr-enum"
|
|
|
|
namespace {
|
|
|
|
class Attributes {
|
|
public:
|
|
Attributes(RecordKeeper &R) : Records(R) {}
|
|
void emit(raw_ostream &OS);
|
|
|
|
private:
|
|
void emitTargetIndependentNames(raw_ostream &OS);
|
|
void emitFnAttrCompatCheck(raw_ostream &OS, bool IsStringAttr);
|
|
|
|
RecordKeeper &Records;
|
|
};
|
|
|
|
} // End anonymous namespace.
|
|
|
|
void Attributes::emitTargetIndependentNames(raw_ostream &OS) {
|
|
OS << "#ifdef GET_ATTR_NAMES\n";
|
|
OS << "#undef GET_ATTR_NAMES\n";
|
|
|
|
OS << "#ifndef ATTRIBUTE_ALL\n";
|
|
OS << "#define ATTRIBUTE_ALL(FIRST, SECOND)\n";
|
|
OS << "#endif\n\n";
|
|
|
|
auto Emit = [&](ArrayRef<StringRef> KindNames, StringRef MacroName) {
|
|
OS << "#ifndef " << MacroName << "\n";
|
|
OS << "#define " << MacroName
|
|
<< "(FIRST, SECOND) ATTRIBUTE_ALL(FIRST, SECOND)\n";
|
|
OS << "#endif\n\n";
|
|
for (StringRef KindName : KindNames) {
|
|
for (auto A : Records.getAllDerivedDefinitions(KindName)) {
|
|
OS << MacroName << "(" << A->getName() << ","
|
|
<< A->getValueAsString("AttrString") << ")\n";
|
|
}
|
|
}
|
|
OS << "#undef " << MacroName << "\n\n";
|
|
};
|
|
|
|
// Emit attribute enums in the same order llvm::Attribute::operator< expects.
|
|
Emit({"EnumAttr", "TypeAttr", "IntAttr"}, "ATTRIBUTE_ENUM");
|
|
Emit({"StrBoolAttr"}, "ATTRIBUTE_STRBOOL");
|
|
|
|
OS << "#undef ATTRIBUTE_ALL\n";
|
|
OS << "#endif\n";
|
|
}
|
|
|
|
void Attributes::emitFnAttrCompatCheck(raw_ostream &OS, bool IsStringAttr) {
|
|
OS << "#ifdef GET_ATTR_COMPAT_FUNC\n";
|
|
OS << "#undef GET_ATTR_COMPAT_FUNC\n";
|
|
|
|
OS << "static inline bool hasCompatibleFnAttrs(const Function &Caller,\n"
|
|
<< " const Function &Callee) {\n";
|
|
OS << " bool Ret = true;\n\n";
|
|
|
|
std::vector<Record *> CompatRules =
|
|
Records.getAllDerivedDefinitions("CompatRule");
|
|
|
|
for (auto *Rule : CompatRules) {
|
|
StringRef FuncName = Rule->getValueAsString("CompatFunc");
|
|
OS << " Ret &= " << FuncName << "(Caller, Callee);\n";
|
|
}
|
|
|
|
OS << "\n";
|
|
OS << " return Ret;\n";
|
|
OS << "}\n\n";
|
|
|
|
std::vector<Record *> MergeRules =
|
|
Records.getAllDerivedDefinitions("MergeRule");
|
|
OS << "static inline void mergeFnAttrs(Function &Caller,\n"
|
|
<< " const Function &Callee) {\n";
|
|
|
|
for (auto *Rule : MergeRules) {
|
|
StringRef FuncName = Rule->getValueAsString("MergeFunc");
|
|
OS << " " << FuncName << "(Caller, Callee);\n";
|
|
}
|
|
|
|
OS << "}\n\n";
|
|
|
|
OS << "#endif\n";
|
|
}
|
|
|
|
void Attributes::emit(raw_ostream &OS) {
|
|
emitTargetIndependentNames(OS);
|
|
emitFnAttrCompatCheck(OS, false);
|
|
}
|
|
|
|
namespace llvm {
|
|
|
|
void EmitAttributes(RecordKeeper &RK, raw_ostream &OS) {
|
|
Attributes(RK).emit(OS);
|
|
}
|
|
|
|
} // End llvm namespace.
|