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authordim <dim@FreeBSD.org>2015-12-30 13:13:10 +0000
committerdim <dim@FreeBSD.org>2015-12-30 13:13:10 +0000
commit9b5bf5c4f53d65d6a48722d7410ed7cb15f5ba3a (patch)
treeb466a4817f79516eb1df8eae92bccf62ecc84003 /contrib/llvm/utils/TableGen/Attributes.cpp
parentf09a28d1de99fda4f5517fb12670fc36552f4927 (diff)
parente194cd6d03d91631334d9d5e55b506036f423cc8 (diff)
downloadFreeBSD-src-9b5bf5c4f53d65d6a48722d7410ed7cb15f5ba3a.zip
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Update llvm to trunk r256633.
Diffstat (limited to 'contrib/llvm/utils/TableGen/Attributes.cpp')
-rw-r--r--contrib/llvm/utils/TableGen/Attributes.cpp156
1 files changed, 156 insertions, 0 deletions
diff --git a/contrib/llvm/utils/TableGen/Attributes.cpp b/contrib/llvm/utils/TableGen/Attributes.cpp
new file mode 100644
index 0000000..7b001bf
--- /dev/null
+++ b/contrib/llvm/utils/TableGen/Attributes.cpp
@@ -0,0 +1,156 @@
+//===- Attributes.cpp - Generate attributes -------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/TableGen/Error.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 emitTargetIndependentEnums(raw_ostream &OS);
+ void emitFnAttrCompatCheck(raw_ostream &OS, bool IsStringAttr);
+
+ void printEnumAttrClasses(raw_ostream &OS,
+ const std::vector<Record *> &Records);
+ void printStrBoolAttrClasses(raw_ostream &OS,
+ const std::vector<Record *> &Records);
+
+ RecordKeeper &Records;
+};
+
+} // End anonymous namespace.
+
+void Attributes::emitTargetIndependentEnums(raw_ostream &OS) {
+ OS << "#ifdef GET_ATTR_ENUM\n";
+ OS << "#undef GET_ATTR_ENUM\n";
+
+ std::vector<Record*> Attrs =
+ Records.getAllDerivedDefinitions("EnumAttr");
+
+ for (auto A : Attrs)
+ OS << A->getName() << ",\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 << "struct EnumAttr {\n";
+ OS << " static bool isSet(const Function &Fn,\n";
+ OS << " Attribute::AttrKind Kind) {\n";
+ OS << " return Fn.hasFnAttribute(Kind);\n";
+ OS << " }\n\n";
+ OS << " static void set(Function &Fn,\n";
+ OS << " Attribute::AttrKind Kind, bool Val) {\n";
+ OS << " if (Val)\n";
+ OS << " Fn.addFnAttr(Kind);\n";
+ OS << " else\n";
+ OS << " Fn.removeFnAttr(Kind);\n";
+ OS << " }\n";
+ OS << "};\n\n";
+
+ OS << "struct StrBoolAttr {\n";
+ OS << " static bool isSet(const Function &Fn,\n";
+ OS << " StringRef Kind) {\n";
+ OS << " auto A = Fn.getFnAttribute(Kind);\n";
+ OS << " return A.getValueAsString().equals(\"true\");\n";
+ OS << " }\n\n";
+ OS << " static void set(Function &Fn,\n";
+ OS << " StringRef Kind, bool Val) {\n";
+ OS << " Fn.addFnAttr(Kind, Val ? \"true\" : \"false\");\n";
+ OS << " }\n";
+ OS << "};\n\n";
+
+ printEnumAttrClasses(OS ,Records.getAllDerivedDefinitions("EnumAttr"));
+ printStrBoolAttrClasses(OS , Records.getAllDerivedDefinitions("StrBoolAttr"));
+
+ 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) {
+ std::string 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) {
+ std::string FuncName = Rule->getValueAsString("MergeFunc");
+ OS << " " << FuncName << "(Caller, Callee);\n";
+ }
+
+ OS << "}\n\n";
+
+ OS << "#endif\n";
+}
+
+void Attributes::printEnumAttrClasses(raw_ostream &OS,
+ const std::vector<Record *> &Records) {
+ OS << "// EnumAttr classes\n";
+ for (const auto *R : Records) {
+ OS << "struct " << R->getName() << "Attr : EnumAttr {\n";
+ OS << " static enum Attribute::AttrKind getKind() {\n";
+ OS << " return llvm::Attribute::" << R->getName() << ";\n";
+ OS << " }\n";
+ OS << "};\n";
+ }
+ OS << "\n";
+}
+
+void Attributes::printStrBoolAttrClasses(raw_ostream &OS,
+ const std::vector<Record *> &Records) {
+ OS << "// StrBoolAttr classes\n";
+ for (const auto *R : Records) {
+ OS << "struct " << R->getName() << "Attr : StrBoolAttr {\n";
+ OS << " static const char *getKind() {\n";
+ OS << " return \"" << R->getValueAsString("AttrString") << "\";\n";
+ OS << " }\n";
+ OS << "};\n";
+ }
+ OS << "\n";
+}
+
+void Attributes::emit(raw_ostream &OS) {
+ emitTargetIndependentEnums(OS);
+ emitFnAttrCompatCheck(OS, false);
+}
+
+namespace llvm {
+
+void EmitAttributes(RecordKeeper &RK, raw_ostream &OS) {
+ Attributes(RK).emit(OS);
+}
+
+} // End llvm namespace.
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