[cfe-commits] r141291 - in /cfe/trunk: ./ utils/TableGen/
Peter Collingbourne
peter at pcc.me.uk
Thu Oct 6 06:03:14 PDT 2011
Author: pcc
Date: Thu Oct 6 08:03:08 2011
New Revision: 141291
URL: http://llvm.org/viewvc/llvm-project?rev=141291&view=rev
Log:
Add the Clang tblgen backends to Clang, and flip the switch to cause
the build systems to use clang-tblgen.
Added:
cfe/trunk/utils/TableGen/
cfe/trunk/utils/TableGen/CMakeLists.txt
cfe/trunk/utils/TableGen/ClangASTNodesEmitter.cpp
cfe/trunk/utils/TableGen/ClangASTNodesEmitter.h
cfe/trunk/utils/TableGen/ClangAttrEmitter.cpp
cfe/trunk/utils/TableGen/ClangAttrEmitter.h
cfe/trunk/utils/TableGen/ClangDiagnosticsEmitter.cpp
cfe/trunk/utils/TableGen/ClangDiagnosticsEmitter.h
cfe/trunk/utils/TableGen/ClangSACheckersEmitter.cpp
cfe/trunk/utils/TableGen/ClangSACheckersEmitter.h
cfe/trunk/utils/TableGen/Makefile
cfe/trunk/utils/TableGen/NeonEmitter.cpp
cfe/trunk/utils/TableGen/NeonEmitter.h
cfe/trunk/utils/TableGen/OptParserEmitter.cpp
cfe/trunk/utils/TableGen/OptParserEmitter.h
cfe/trunk/utils/TableGen/TableGen.cpp
Modified:
cfe/trunk/CMakeLists.txt
cfe/trunk/Makefile
Modified: cfe/trunk/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/CMakeLists.txt?rev=141291&r1=141290&r2=141291&view=diff
==============================================================================
--- cfe/trunk/CMakeLists.txt (original)
+++ cfe/trunk/CMakeLists.txt Thu Oct 6 08:03:08 2011
@@ -153,7 +153,7 @@
endif()
set( LLVM_TARGET_DEFINITIONS ${CTG_SOURCE} )
- tablegen( LLVM ${CTG_DEFAULT_ARGS} )
+ tablegen( CLANG ${CTG_DEFAULT_ARGS} )
list( GET CTG_DEFAULT_ARGS 0 output_file )
if( CTG_TARGET )
@@ -244,6 +244,7 @@
"Version number that will be placed into the libclang library , in the form XX.YY")
mark_as_advanced(CLANG_EXECUTABLE_VERSION LIBCLANG_LIBRARY_VERSION)
+add_subdirectory(utils/TableGen)
option(CLANG_BUILD_EXAMPLES "Build CLANG example programs." OFF)
if(CLANG_BUILD_EXAMPLES)
Modified: cfe/trunk/Makefile
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/Makefile?rev=141291&r1=141290&r2=141291&view=diff
==============================================================================
--- cfe/trunk/Makefile (original)
+++ cfe/trunk/Makefile Thu Oct 6 08:03:08 2011
@@ -14,7 +14,7 @@
IS_TOP_LEVEL := 1
CLANG_LEVEL := .
-DIRS := include lib tools runtime docs unittests
+DIRS := utils/TableGen include lib tools runtime docs unittests
PARALLEL_DIRS :=
@@ -63,9 +63,9 @@
# Set up Clang's tblgen.
ifndef CLANG_TBLGEN
ifeq ($(LLVM_CROSS_COMPILING),1)
- CLANG_TBLGEN := $(BuildLLVMToolDir)/llvm-tblgen$(BUILD_EXEEXT)
+ CLANG_TBLGEN := $(BuildLLVMToolDir)/clang-tblgen$(BUILD_EXEEXT)
else
- CLANG_TBLGEN := $(LLVMToolDir)/llvm-tblgen$(EXEEXT)
+ CLANG_TBLGEN := $(LLVMToolDir)/clang-tblgen$(EXEEXT)
endif
endif
ClangTableGen = $(CLANG_TBLGEN) $(TableGen.Flags)
Added: cfe/trunk/utils/TableGen/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/CMakeLists.txt?rev=141291&view=auto
==============================================================================
--- cfe/trunk/utils/TableGen/CMakeLists.txt (added)
+++ cfe/trunk/utils/TableGen/CMakeLists.txt Thu Oct 6 08:03:08 2011
@@ -0,0 +1,12 @@
+set(LLVM_REQUIRES_EH 1)
+set(LLVM_REQUIRES_RTTI 1)
+
+add_tablegen(clang-tblgen CLANG
+ ClangASTNodesEmitter.cpp
+ ClangAttrEmitter.cpp
+ ClangDiagnosticsEmitter.cpp
+ ClangSACheckersEmitter.cpp
+ NeonEmitter.cpp
+ OptParserEmitter.cpp
+ TableGen.cpp
+ )
Added: cfe/trunk/utils/TableGen/ClangASTNodesEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/ClangASTNodesEmitter.cpp?rev=141291&view=auto
==============================================================================
--- cfe/trunk/utils/TableGen/ClangASTNodesEmitter.cpp (added)
+++ cfe/trunk/utils/TableGen/ClangASTNodesEmitter.cpp Thu Oct 6 08:03:08 2011
@@ -0,0 +1,168 @@
+//=== ClangASTNodesEmitter.cpp - Generate Clang AST node tables -*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// These tablegen backends emit Clang AST node tables
+//
+//===----------------------------------------------------------------------===//
+
+#include "ClangASTNodesEmitter.h"
+#include <set>
+using namespace llvm;
+
+//===----------------------------------------------------------------------===//
+// Statement Node Tables (.inc file) generation.
+//===----------------------------------------------------------------------===//
+
+// Returns the first and last non-abstract subrecords
+// Called recursively to ensure that nodes remain contiguous
+std::pair<Record *, Record *> ClangASTNodesEmitter::EmitNode(
+ const ChildMap &Tree,
+ raw_ostream &OS,
+ Record *Base) {
+ std::string BaseName = macroName(Base->getName());
+
+ ChildIterator i = Tree.lower_bound(Base), e = Tree.upper_bound(Base);
+
+ Record *First = 0, *Last = 0;
+ // This might be the pseudo-node for Stmt; don't assume it has an Abstract
+ // bit
+ if (Base->getValue("Abstract") && !Base->getValueAsBit("Abstract"))
+ First = Last = Base;
+
+ for (; i != e; ++i) {
+ Record *R = i->second;
+ bool Abstract = R->getValueAsBit("Abstract");
+ std::string NodeName = macroName(R->getName());
+
+ OS << "#ifndef " << NodeName << "\n";
+ OS << "# define " << NodeName << "(Type, Base) "
+ << BaseName << "(Type, Base)\n";
+ OS << "#endif\n";
+
+ if (Abstract)
+ OS << "ABSTRACT_" << macroName(Root.getName()) << "(" << NodeName << "("
+ << R->getName() << ", " << baseName(*Base) << "))\n";
+ else
+ OS << NodeName << "(" << R->getName() << ", "
+ << baseName(*Base) << ")\n";
+
+ if (Tree.find(R) != Tree.end()) {
+ const std::pair<Record *, Record *> &Result
+ = EmitNode(Tree, OS, R);
+ if (!First && Result.first)
+ First = Result.first;
+ if (Result.second)
+ Last = Result.second;
+ } else {
+ if (!Abstract) {
+ Last = R;
+
+ if (!First)
+ First = R;
+ }
+ }
+
+ OS << "#undef " << NodeName << "\n\n";
+ }
+
+ if (First) {
+ assert (Last && "Got a first node but not a last node for a range!");
+ if (Base == &Root)
+ OS << "LAST_" << macroName(Root.getName()) << "_RANGE(";
+ else
+ OS << macroName(Root.getName()) << "_RANGE(";
+ OS << Base->getName() << ", " << First->getName() << ", "
+ << Last->getName() << ")\n\n";
+ }
+
+ return std::make_pair(First, Last);
+}
+
+void ClangASTNodesEmitter::run(raw_ostream &OS) {
+ // Write the preamble
+ OS << "#ifndef ABSTRACT_" << macroName(Root.getName()) << "\n";
+ OS << "# define ABSTRACT_" << macroName(Root.getName()) << "(Type) Type\n";
+ OS << "#endif\n";
+
+ OS << "#ifndef " << macroName(Root.getName()) << "_RANGE\n";
+ OS << "# define "
+ << macroName(Root.getName()) << "_RANGE(Base, First, Last)\n";
+ OS << "#endif\n\n";
+
+ OS << "#ifndef LAST_" << macroName(Root.getName()) << "_RANGE\n";
+ OS << "# define LAST_"
+ << macroName(Root.getName()) << "_RANGE(Base, First, Last) "
+ << macroName(Root.getName()) << "_RANGE(Base, First, Last)\n";
+ OS << "#endif\n\n";
+
+ // Emit statements
+ const std::vector<Record*> Stmts
+ = Records.getAllDerivedDefinitions(Root.getName());
+
+ ChildMap Tree;
+
+ for (unsigned i = 0, e = Stmts.size(); i != e; ++i) {
+ Record *R = Stmts[i];
+
+ if (R->getValue("Base"))
+ Tree.insert(std::make_pair(R->getValueAsDef("Base"), R));
+ else
+ Tree.insert(std::make_pair(&Root, R));
+ }
+
+ EmitNode(Tree, OS, &Root);
+
+ OS << "#undef " << macroName(Root.getName()) << "\n";
+ OS << "#undef " << macroName(Root.getName()) << "_RANGE\n";
+ OS << "#undef LAST_" << macroName(Root.getName()) << "_RANGE\n";
+ OS << "#undef ABSTRACT_" << macroName(Root.getName()) << "\n";
+}
+
+void ClangDeclContextEmitter::run(raw_ostream &OS) {
+ // FIXME: Find a .td file format to allow for this to be represented better.
+
+ OS << "#ifndef DECL_CONTEXT\n";
+ OS << "# define DECL_CONTEXT(DECL)\n";
+ OS << "#endif\n";
+
+ OS << "#ifndef DECL_CONTEXT_BASE\n";
+ OS << "# define DECL_CONTEXT_BASE(DECL) DECL_CONTEXT(DECL)\n";
+ OS << "#endif\n";
+
+ typedef std::set<Record*> RecordSet;
+ typedef std::vector<Record*> RecordVector;
+
+ RecordVector DeclContextsVector
+ = Records.getAllDerivedDefinitions("DeclContext");
+ RecordVector Decls = Records.getAllDerivedDefinitions("Decl");
+ RecordSet DeclContexts (DeclContextsVector.begin(), DeclContextsVector.end());
+
+ for (RecordVector::iterator i = Decls.begin(), e = Decls.end(); i != e; ++i) {
+ Record *R = *i;
+
+ if (R->getValue("Base")) {
+ Record *B = R->getValueAsDef("Base");
+ if (DeclContexts.find(B) != DeclContexts.end()) {
+ OS << "DECL_CONTEXT_BASE(" << B->getName() << ")\n";
+ DeclContexts.erase(B);
+ }
+ }
+ }
+
+ // To keep identical order, RecordVector may be used
+ // instead of RecordSet.
+ for (RecordVector::iterator
+ i = DeclContextsVector.begin(), e = DeclContextsVector.end();
+ i != e; ++i)
+ if (DeclContexts.find(*i) != DeclContexts.end())
+ OS << "DECL_CONTEXT(" << (*i)->getName() << ")\n";
+
+ OS << "#undef DECL_CONTEXT\n";
+ OS << "#undef DECL_CONTEXT_BASE\n";
+}
Added: cfe/trunk/utils/TableGen/ClangASTNodesEmitter.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/ClangASTNodesEmitter.h?rev=141291&view=auto
==============================================================================
--- cfe/trunk/utils/TableGen/ClangASTNodesEmitter.h (added)
+++ cfe/trunk/utils/TableGen/ClangASTNodesEmitter.h Thu Oct 6 08:03:08 2011
@@ -0,0 +1,84 @@
+//===- ClangASTNodesEmitter.h - Generate Clang AST node tables -*- C++ -*--===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// These tablegen backends emit Clang AST node tables
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANGAST_EMITTER_H
+#define CLANGAST_EMITTER_H
+
+#include "llvm/TableGen/TableGenBackend.h"
+#include "llvm/TableGen/Record.h"
+#include <string>
+#include <cctype>
+#include <map>
+
+namespace llvm {
+
+/// ClangASTNodesEmitter - The top-level class emits .inc files containing
+/// declarations of Clang statements.
+///
+class ClangASTNodesEmitter : public TableGenBackend {
+ // A map from a node to each of its derived nodes.
+ typedef std::multimap<Record*, Record*> ChildMap;
+ typedef ChildMap::const_iterator ChildIterator;
+
+ RecordKeeper &Records;
+ Record Root;
+ const std::string &BaseSuffix;
+
+ // Create a macro-ized version of a name
+ static std::string macroName(std::string S) {
+ for (unsigned i = 0; i < S.size(); ++i)
+ S[i] = std::toupper(S[i]);
+
+ return S;
+ }
+
+ // Return the name to be printed in the base field. Normally this is
+ // the record's name plus the base suffix, but if it is the root node and
+ // the suffix is non-empty, it's just the suffix.
+ std::string baseName(Record &R) {
+ if (&R == &Root && !BaseSuffix.empty())
+ return BaseSuffix;
+
+ return R.getName() + BaseSuffix;
+ }
+
+ std::pair<Record *, Record *> EmitNode (const ChildMap &Tree, raw_ostream& OS,
+ Record *Base);
+public:
+ explicit ClangASTNodesEmitter(RecordKeeper &R, const std::string &N,
+ const std::string &S)
+ : Records(R), Root(N, SMLoc(), R), BaseSuffix(S)
+ {}
+
+ // run - Output the .inc file contents
+ void run(raw_ostream &OS);
+};
+
+/// ClangDeclContextEmitter - Emits an addendum to a .inc file to enumerate the
+/// clang declaration contexts.
+///
+class ClangDeclContextEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+
+public:
+ explicit ClangDeclContextEmitter(RecordKeeper &R)
+ : Records(R)
+ {}
+
+ // run - Output the .inc file contents
+ void run(raw_ostream &OS);
+};
+
+} // End llvm namespace
+
+#endif
Added: cfe/trunk/utils/TableGen/ClangAttrEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/ClangAttrEmitter.cpp?rev=141291&view=auto
==============================================================================
--- cfe/trunk/utils/TableGen/ClangAttrEmitter.cpp (added)
+++ cfe/trunk/utils/TableGen/ClangAttrEmitter.cpp Thu Oct 6 08:03:08 2011
@@ -0,0 +1,788 @@
+//===- ClangAttrEmitter.cpp - Generate Clang attribute handling =-*- C++ -*--=//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// These tablegen backends emit Clang attribute processing code
+//
+//===----------------------------------------------------------------------===//
+
+#include "ClangAttrEmitter.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/TableGen/Record.h"
+#include <algorithm>
+#include <cctype>
+
+using namespace llvm;
+
+static const std::vector<StringRef>
+getValueAsListOfStrings(Record &R, StringRef FieldName) {
+ ListInit *List = R.getValueAsListInit(FieldName);
+ assert (List && "Got a null ListInit");
+
+ std::vector<StringRef> Strings;
+ Strings.reserve(List->getSize());
+
+ for (ListInit::const_iterator i = List->begin(), e = List->end();
+ i != e;
+ ++i) {
+ assert(*i && "Got a null element in a ListInit");
+ if (StringInit *S = dynamic_cast<StringInit *>(*i))
+ Strings.push_back(S->getValue());
+ else if (CodeInit *C = dynamic_cast<CodeInit *>(*i))
+ Strings.push_back(C->getValue());
+ else
+ assert(false && "Got a non-string, non-code element in a ListInit");
+ }
+
+ return Strings;
+}
+
+static std::string ReadPCHRecord(StringRef type) {
+ return StringSwitch<std::string>(type)
+ .EndsWith("Decl *", "GetLocalDeclAs<"
+ + std::string(type, 0, type.size()-1) + ">(F, Record[Idx++])")
+ .Case("QualType", "getLocalType(F, Record[Idx++])")
+ .Case("Expr *", "ReadSubExpr()")
+ .Case("IdentifierInfo *", "GetIdentifierInfo(F, Record, Idx)")
+ .Case("SourceLocation", "ReadSourceLocation(F, Record, Idx)")
+ .Default("Record[Idx++]");
+}
+
+// Assumes that the way to get the value is SA->getname()
+static std::string WritePCHRecord(StringRef type, StringRef name) {
+ return StringSwitch<std::string>(type)
+ .EndsWith("Decl *", "AddDeclRef(" + std::string(name) +
+ ", Record);\n")
+ .Case("QualType", "AddTypeRef(" + std::string(name) + ", Record);\n")
+ .Case("Expr *", "AddStmt(" + std::string(name) + ");\n")
+ .Case("IdentifierInfo *",
+ "AddIdentifierRef(" + std::string(name) + ", Record);\n")
+ .Case("SourceLocation",
+ "AddSourceLocation(" + std::string(name) + ", Record);\n")
+ .Default("Record.push_back(" + std::string(name) + ");\n");
+}
+
+namespace {
+ class Argument {
+ std::string lowerName, upperName;
+ StringRef attrName;
+
+ public:
+ Argument(Record &Arg, StringRef Attr)
+ : lowerName(Arg.getValueAsString("Name")), upperName(lowerName),
+ attrName(Attr) {
+ if (!lowerName.empty()) {
+ lowerName[0] = std::tolower(lowerName[0]);
+ upperName[0] = std::toupper(upperName[0]);
+ }
+ }
+ virtual ~Argument() {}
+
+ StringRef getLowerName() const { return lowerName; }
+ StringRef getUpperName() const { return upperName; }
+ StringRef getAttrName() const { return attrName; }
+
+ // These functions print the argument contents formatted in different ways.
+ virtual void writeAccessors(raw_ostream &OS) const = 0;
+ virtual void writeAccessorDefinitions(raw_ostream &OS) const {}
+ virtual void writeCloneArgs(raw_ostream &OS) const = 0;
+ virtual void writeCtorBody(raw_ostream &OS) const {}
+ virtual void writeCtorInitializers(raw_ostream &OS) const = 0;
+ virtual void writeCtorParameters(raw_ostream &OS) const = 0;
+ virtual void writeDeclarations(raw_ostream &OS) const = 0;
+ virtual void writePCHReadArgs(raw_ostream &OS) const = 0;
+ virtual void writePCHReadDecls(raw_ostream &OS) const = 0;
+ virtual void writePCHWrite(raw_ostream &OS) const = 0;
+ };
+
+ class SimpleArgument : public Argument {
+ std::string type;
+
+ public:
+ SimpleArgument(Record &Arg, StringRef Attr, std::string T)
+ : Argument(Arg, Attr), type(T)
+ {}
+
+ void writeAccessors(raw_ostream &OS) const {
+ OS << " " << type << " get" << getUpperName() << "() const {\n";
+ OS << " return " << getLowerName() << ";\n";
+ OS << " }";
+ }
+ void writeCloneArgs(raw_ostream &OS) const {
+ OS << getLowerName();
+ }
+ void writeCtorInitializers(raw_ostream &OS) const {
+ OS << getLowerName() << "(" << getUpperName() << ")";
+ }
+ void writeCtorParameters(raw_ostream &OS) const {
+ OS << type << " " << getUpperName();
+ }
+ void writeDeclarations(raw_ostream &OS) const {
+ OS << type << " " << getLowerName() << ";";
+ }
+ void writePCHReadDecls(raw_ostream &OS) const {
+ std::string read = ReadPCHRecord(type);
+ OS << " " << type << " " << getLowerName() << " = " << read << ";\n";
+ }
+ void writePCHReadArgs(raw_ostream &OS) const {
+ OS << getLowerName();
+ }
+ void writePCHWrite(raw_ostream &OS) const {
+ OS << " " << WritePCHRecord(type, "SA->get" +
+ std::string(getUpperName()) + "()");
+ }
+ };
+
+ class StringArgument : public Argument {
+ public:
+ StringArgument(Record &Arg, StringRef Attr)
+ : Argument(Arg, Attr)
+ {}
+
+ void writeAccessors(raw_ostream &OS) const {
+ OS << " llvm::StringRef get" << getUpperName() << "() const {\n";
+ OS << " return llvm::StringRef(" << getLowerName() << ", "
+ << getLowerName() << "Length);\n";
+ OS << " }\n";
+ OS << " unsigned get" << getUpperName() << "Length() const {\n";
+ OS << " return " << getLowerName() << "Length;\n";
+ OS << " }\n";
+ OS << " void set" << getUpperName()
+ << "(ASTContext &C, llvm::StringRef S) {\n";
+ OS << " " << getLowerName() << "Length = S.size();\n";
+ OS << " this->" << getLowerName() << " = new (C, 1) char ["
+ << getLowerName() << "Length];\n";
+ OS << " std::memcpy(this->" << getLowerName() << ", S.data(), "
+ << getLowerName() << "Length);\n";
+ OS << " }";
+ }
+ void writeCloneArgs(raw_ostream &OS) const {
+ OS << "get" << getUpperName() << "()";
+ }
+ void writeCtorBody(raw_ostream &OS) const {
+ OS << " std::memcpy(" << getLowerName() << ", " << getUpperName()
+ << ".data(), " << getLowerName() << "Length);";
+ }
+ void writeCtorInitializers(raw_ostream &OS) const {
+ OS << getLowerName() << "Length(" << getUpperName() << ".size()),"
+ << getLowerName() << "(new (Ctx, 1) char[" << getLowerName()
+ << "Length])";
+ }
+ void writeCtorParameters(raw_ostream &OS) const {
+ OS << "llvm::StringRef " << getUpperName();
+ }
+ void writeDeclarations(raw_ostream &OS) const {
+ OS << "unsigned " << getLowerName() << "Length;\n";
+ OS << "char *" << getLowerName() << ";";
+ }
+ void writePCHReadDecls(raw_ostream &OS) const {
+ OS << " std::string " << getLowerName()
+ << "= ReadString(Record, Idx);\n";
+ }
+ void writePCHReadArgs(raw_ostream &OS) const {
+ OS << getLowerName();
+ }
+ void writePCHWrite(raw_ostream &OS) const {
+ OS << " AddString(SA->get" << getUpperName() << "(), Record);\n";
+ }
+ };
+
+ class AlignedArgument : public Argument {
+ public:
+ AlignedArgument(Record &Arg, StringRef Attr)
+ : Argument(Arg, Attr)
+ {}
+
+ void writeAccessors(raw_ostream &OS) const {
+ OS << " bool is" << getUpperName() << "Dependent() const;\n";
+
+ OS << " unsigned get" << getUpperName() << "(ASTContext &Ctx) const;\n";
+
+ OS << " bool is" << getUpperName() << "Expr() const {\n";
+ OS << " return is" << getLowerName() << "Expr;\n";
+ OS << " }\n";
+
+ OS << " Expr *get" << getUpperName() << "Expr() const {\n";
+ OS << " assert(is" << getLowerName() << "Expr);\n";
+ OS << " return " << getLowerName() << "Expr;\n";
+ OS << " }\n";
+
+ OS << " TypeSourceInfo *get" << getUpperName() << "Type() const {\n";
+ OS << " assert(!is" << getLowerName() << "Expr);\n";
+ OS << " return " << getLowerName() << "Type;\n";
+ OS << " }";
+ }
+ void writeAccessorDefinitions(raw_ostream &OS) const {
+ OS << "bool " << getAttrName() << "Attr::is" << getUpperName()
+ << "Dependent() const {\n";
+ OS << " if (is" << getLowerName() << "Expr)\n";
+ OS << " return " << getLowerName() << "Expr && (" << getLowerName()
+ << "Expr->isValueDependent() || " << getLowerName()
+ << "Expr->isTypeDependent());\n";
+ OS << " else\n";
+ OS << " return " << getLowerName()
+ << "Type->getType()->isDependentType();\n";
+ OS << "}\n";
+
+ // FIXME: Do not do the calculation here
+ // FIXME: Handle types correctly
+ // A null pointer means maximum alignment
+ // FIXME: Load the platform-specific maximum alignment, rather than
+ // 16, the x86 max.
+ OS << "unsigned " << getAttrName() << "Attr::get" << getUpperName()
+ << "(ASTContext &Ctx) const {\n";
+ OS << " assert(!is" << getUpperName() << "Dependent());\n";
+ OS << " if (is" << getLowerName() << "Expr)\n";
+ OS << " return (" << getLowerName() << "Expr ? " << getLowerName()
+ << "Expr->EvaluateAsInt(Ctx).getZExtValue() : 16)"
+ << "* Ctx.getCharWidth();\n";
+ OS << " else\n";
+ OS << " return 0; // FIXME\n";
+ OS << "}\n";
+ }
+ void writeCloneArgs(raw_ostream &OS) const {
+ OS << "is" << getLowerName() << "Expr, is" << getLowerName()
+ << "Expr ? static_cast<void*>(" << getLowerName()
+ << "Expr) : " << getLowerName()
+ << "Type";
+ }
+ void writeCtorBody(raw_ostream &OS) const {
+ OS << " if (is" << getLowerName() << "Expr)\n";
+ OS << " " << getLowerName() << "Expr = reinterpret_cast<Expr *>("
+ << getUpperName() << ");\n";
+ OS << " else\n";
+ OS << " " << getLowerName()
+ << "Type = reinterpret_cast<TypeSourceInfo *>(" << getUpperName()
+ << ");";
+ }
+ void writeCtorInitializers(raw_ostream &OS) const {
+ OS << "is" << getLowerName() << "Expr(Is" << getUpperName() << "Expr)";
+ }
+ void writeCtorParameters(raw_ostream &OS) const {
+ OS << "bool Is" << getUpperName() << "Expr, void *" << getUpperName();
+ }
+ void writeDeclarations(raw_ostream &OS) const {
+ OS << "bool is" << getLowerName() << "Expr;\n";
+ OS << "union {\n";
+ OS << "Expr *" << getLowerName() << "Expr;\n";
+ OS << "TypeSourceInfo *" << getLowerName() << "Type;\n";
+ OS << "};";
+ }
+ void writePCHReadArgs(raw_ostream &OS) const {
+ OS << "is" << getLowerName() << "Expr, " << getLowerName() << "Ptr";
+ }
+ void writePCHReadDecls(raw_ostream &OS) const {
+ OS << " bool is" << getLowerName() << "Expr = Record[Idx++];\n";
+ OS << " void *" << getLowerName() << "Ptr;\n";
+ OS << " if (is" << getLowerName() << "Expr)\n";
+ OS << " " << getLowerName() << "Ptr = ReadExpr(F);\n";
+ OS << " else\n";
+ OS << " " << getLowerName()
+ << "Ptr = GetTypeSourceInfo(F, Record, Idx);\n";
+ }
+ void writePCHWrite(raw_ostream &OS) const {
+ OS << " Record.push_back(SA->is" << getUpperName() << "Expr());\n";
+ OS << " if (SA->is" << getUpperName() << "Expr())\n";
+ OS << " AddStmt(SA->get" << getUpperName() << "Expr());\n";
+ OS << " else\n";
+ OS << " AddTypeSourceInfo(SA->get" << getUpperName()
+ << "Type(), Record);\n";
+ }
+ };
+
+ class VariadicArgument : public Argument {
+ std::string type;
+
+ public:
+ VariadicArgument(Record &Arg, StringRef Attr, std::string T)
+ : Argument(Arg, Attr), type(T)
+ {}
+
+ std::string getType() const { return type; }
+
+ void writeAccessors(raw_ostream &OS) const {
+ OS << " typedef " << type << "* " << getLowerName() << "_iterator;\n";
+ OS << " " << getLowerName() << "_iterator " << getLowerName()
+ << "_begin() const {\n";
+ OS << " return " << getLowerName() << ";\n";
+ OS << " }\n";
+ OS << " " << getLowerName() << "_iterator " << getLowerName()
+ << "_end() const {\n";
+ OS << " return " << getLowerName() << " + " << getLowerName()
+ << "Size;\n";
+ OS << " }\n";
+ OS << " unsigned " << getLowerName() << "_size() const {\n"
+ << " return " << getLowerName() << "Size;\n;";
+ OS << " }";
+ }
+ void writeCloneArgs(raw_ostream &OS) const {
+ OS << getLowerName() << ", " << getLowerName() << "Size";
+ }
+ void writeCtorBody(raw_ostream &OS) const {
+ // FIXME: memcpy is not safe on non-trivial types.
+ OS << " std::memcpy(" << getLowerName() << ", " << getUpperName()
+ << ", " << getLowerName() << "Size * sizeof(" << getType() << "));\n";
+ }
+ void writeCtorInitializers(raw_ostream &OS) const {
+ OS << getLowerName() << "Size(" << getUpperName() << "Size), "
+ << getLowerName() << "(new (Ctx, 16) " << getType() << "["
+ << getLowerName() << "Size])";
+ }
+ void writeCtorParameters(raw_ostream &OS) const {
+ OS << getType() << " *" << getUpperName() << ", unsigned "
+ << getUpperName() << "Size";
+ }
+ void writeDeclarations(raw_ostream &OS) const {
+ OS << " unsigned " << getLowerName() << "Size;\n";
+ OS << " " << getType() << " *" << getLowerName() << ";";
+ }
+ void writePCHReadDecls(raw_ostream &OS) const {
+ OS << " unsigned " << getLowerName() << "Size = Record[Idx++];\n";
+ OS << " llvm::SmallVector<" << type << ", 4> " << getLowerName()
+ << ";\n";
+ OS << " " << getLowerName() << ".reserve(" << getLowerName()
+ << "Size);\n";
+ OS << " for (unsigned i = " << getLowerName() << "Size; i; --i)\n";
+
+ std::string read = ReadPCHRecord(type);
+ OS << " " << getLowerName() << ".push_back(" << read << ");\n";
+ }
+ void writePCHReadArgs(raw_ostream &OS) const {
+ OS << getLowerName() << ".data(), " << getLowerName() << "Size";
+ }
+ void writePCHWrite(raw_ostream &OS) const{
+ OS << " Record.push_back(SA->" << getLowerName() << "_size());\n";
+ OS << " for (" << getAttrName() << "Attr::" << getLowerName()
+ << "_iterator i = SA->" << getLowerName() << "_begin(), e = SA->"
+ << getLowerName() << "_end(); i != e; ++i)\n";
+ OS << " " << WritePCHRecord(type, "(*i)");
+ }
+ };
+
+ class EnumArgument : public Argument {
+ std::string type;
+ std::vector<StringRef> values, enums;
+ public:
+ EnumArgument(Record &Arg, StringRef Attr)
+ : Argument(Arg, Attr), type(Arg.getValueAsString("Type")),
+ values(getValueAsListOfStrings(Arg, "Values")),
+ enums(getValueAsListOfStrings(Arg, "Enums"))
+ {}
+
+ void writeAccessors(raw_ostream &OS) const {
+ OS << " " << type << " get" << getUpperName() << "() const {\n";
+ OS << " return " << getLowerName() << ";\n";
+ OS << " }";
+ }
+ void writeCloneArgs(raw_ostream &OS) const {
+ OS << getLowerName();
+ }
+ void writeCtorInitializers(raw_ostream &OS) const {
+ OS << getLowerName() << "(" << getUpperName() << ")";
+ }
+ void writeCtorParameters(raw_ostream &OS) const {
+ OS << type << " " << getUpperName();
+ }
+ void writeDeclarations(raw_ostream &OS) const {
+ // Calculate the various enum values
+ std::vector<StringRef> uniques(enums);
+ std::sort(uniques.begin(), uniques.end());
+ uniques.erase(std::unique(uniques.begin(), uniques.end()),
+ uniques.end());
+ // FIXME: Emit a proper error
+ assert(!uniques.empty());
+
+ std::vector<StringRef>::iterator i = uniques.begin(),
+ e = uniques.end();
+ // The last one needs to not have a comma.
+ --e;
+
+ OS << "public:\n";
+ OS << " enum " << type << " {\n";
+ for (; i != e; ++i)
+ OS << " " << *i << ",\n";
+ OS << " " << *e << "\n";
+ OS << " };\n";
+ OS << "private:\n";
+ OS << " " << type << " " << getLowerName() << ";";
+ }
+ void writePCHReadDecls(raw_ostream &OS) const {
+ OS << " " << getAttrName() << "Attr::" << type << " " << getLowerName()
+ << "(static_cast<" << getAttrName() << "Attr::" << type
+ << ">(Record[Idx++]));\n";
+ }
+ void writePCHReadArgs(raw_ostream &OS) const {
+ OS << getLowerName();
+ }
+ void writePCHWrite(raw_ostream &OS) const {
+ OS << "Record.push_back(SA->get" << getUpperName() << "());\n";
+ }
+ };
+
+ class VersionArgument : public Argument {
+ public:
+ VersionArgument(Record &Arg, StringRef Attr)
+ : Argument(Arg, Attr)
+ {}
+
+ void writeAccessors(raw_ostream &OS) const {
+ OS << " VersionTuple get" << getUpperName() << "() const {\n";
+ OS << " return " << getLowerName() << ";\n";
+ OS << " }\n";
+ OS << " void set" << getUpperName()
+ << "(ASTContext &C, VersionTuple V) {\n";
+ OS << " " << getLowerName() << " = V;\n";
+ OS << " }";
+ }
+ void writeCloneArgs(raw_ostream &OS) const {
+ OS << "get" << getUpperName() << "()";
+ }
+ void writeCtorBody(raw_ostream &OS) const {
+ }
+ void writeCtorInitializers(raw_ostream &OS) const {
+ OS << getLowerName() << "(" << getUpperName() << ")";
+ }
+ void writeCtorParameters(raw_ostream &OS) const {
+ OS << "VersionTuple " << getUpperName();
+ }
+ void writeDeclarations(raw_ostream &OS) const {
+ OS << "VersionTuple " << getLowerName() << ";\n";
+ }
+ void writePCHReadDecls(raw_ostream &OS) const {
+ OS << " VersionTuple " << getLowerName()
+ << "= ReadVersionTuple(Record, Idx);\n";
+ }
+ void writePCHReadArgs(raw_ostream &OS) const {
+ OS << getLowerName();
+ }
+ void writePCHWrite(raw_ostream &OS) const {
+ OS << " AddVersionTuple(SA->get" << getUpperName() << "(), Record);\n";
+ }
+ };
+}
+
+static Argument *createArgument(Record &Arg, StringRef Attr,
+ Record *Search = 0) {
+ if (!Search)
+ Search = &Arg;
+
+ Argument *Ptr = 0;
+ llvm::StringRef ArgName = Search->getName();
+
+ if (ArgName == "AlignedArgument") Ptr = new AlignedArgument(Arg, Attr);
+ else if (ArgName == "EnumArgument") Ptr = new EnumArgument(Arg, Attr);
+ else if (ArgName == "ExprArgument") Ptr = new SimpleArgument(Arg, Attr,
+ "Expr *");
+ else if (ArgName == "FunctionArgument")
+ Ptr = new SimpleArgument(Arg, Attr, "FunctionDecl *");
+ else if (ArgName == "IdentifierArgument")
+ Ptr = new SimpleArgument(Arg, Attr, "IdentifierInfo *");
+ else if (ArgName == "BoolArgument") Ptr = new SimpleArgument(Arg, Attr,
+ "bool");
+ else if (ArgName == "IntArgument") Ptr = new SimpleArgument(Arg, Attr, "int");
+ else if (ArgName == "StringArgument") Ptr = new StringArgument(Arg, Attr);
+ else if (ArgName == "TypeArgument")
+ Ptr = new SimpleArgument(Arg, Attr, "QualType");
+ else if (ArgName == "UnsignedArgument")
+ Ptr = new SimpleArgument(Arg, Attr, "unsigned");
+ else if (ArgName == "SourceLocArgument")
+ Ptr = new SimpleArgument(Arg, Attr, "SourceLocation");
+ else if (ArgName == "VariadicUnsignedArgument")
+ Ptr = new VariadicArgument(Arg, Attr, "unsigned");
+ else if (ArgName == "VariadicExprArgument")
+ Ptr = new VariadicArgument(Arg, Attr, "Expr *");
+ else if (ArgName == "VersionArgument")
+ Ptr = new VersionArgument(Arg, Attr);
+
+ if (!Ptr) {
+ std::vector<Record*> Bases = Search->getSuperClasses();
+ for (std::vector<Record*>::iterator i = Bases.begin(), e = Bases.end();
+ i != e; ++i) {
+ Ptr = createArgument(Arg, Attr, *i);
+ if (Ptr)
+ break;
+ }
+ }
+ return Ptr;
+}
+
+void ClangAttrClassEmitter::run(raw_ostream &OS) {
+ OS << "// This file is generated by TableGen. Do not edit.\n\n";
+ OS << "#ifndef LLVM_CLANG_ATTR_CLASSES_INC\n";
+ OS << "#define LLVM_CLANG_ATTR_CLASSES_INC\n\n";
+
+ std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr");
+
+ for (std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end();
+ i != e; ++i) {
+ Record &R = **i;
+ const std::string &SuperName = R.getSuperClasses().back()->getName();
+
+ OS << "class " << R.getName() << "Attr : public " << SuperName << " {\n";
+
+ std::vector<Record*> ArgRecords = R.getValueAsListOfDefs("Args");
+ std::vector<Argument*> Args;
+ std::vector<Argument*>::iterator ai, ae;
+ Args.reserve(ArgRecords.size());
+
+ for (std::vector<Record*>::iterator ri = ArgRecords.begin(),
+ re = ArgRecords.end();
+ ri != re; ++ri) {
+ Record &ArgRecord = **ri;
+ Argument *Arg = createArgument(ArgRecord, R.getName());
+ assert(Arg);
+ Args.push_back(Arg);
+
+ Arg->writeDeclarations(OS);
+ OS << "\n\n";
+ }
+
+ ae = Args.end();
+
+ OS << "\n public:\n";
+ OS << " " << R.getName() << "Attr(SourceRange R, ASTContext &Ctx\n";
+
+ for (ai = Args.begin(); ai != ae; ++ai) {
+ OS << " , ";
+ (*ai)->writeCtorParameters(OS);
+ OS << "\n";
+ }
+
+ OS << " )\n";
+ OS << " : " << SuperName << "(attr::" << R.getName() << ", R)\n";
+
+ for (ai = Args.begin(); ai != ae; ++ai) {
+ OS << " , ";
+ (*ai)->writeCtorInitializers(OS);
+ OS << "\n";
+ }
+
+ OS << " {\n";
+
+ for (ai = Args.begin(); ai != ae; ++ai) {
+ (*ai)->writeCtorBody(OS);
+ OS << "\n";
+ }
+ OS << " }\n\n";
+
+ OS << " virtual " << R.getName() << "Attr *clone (ASTContext &C) const;\n";
+
+ for (ai = Args.begin(); ai != ae; ++ai) {
+ (*ai)->writeAccessors(OS);
+ OS << "\n\n";
+ }
+
+ OS << R.getValueAsCode("AdditionalMembers");
+ OS << "\n\n";
+
+ OS << " static bool classof(const Attr *A) { return A->getKind() == "
+ << "attr::" << R.getName() << "; }\n";
+ OS << " static bool classof(const " << R.getName()
+ << "Attr *) { return true; }\n";
+ OS << "};\n\n";
+ }
+
+ OS << "#endif\n";
+}
+
+void ClangAttrImplEmitter::run(raw_ostream &OS) {
+ OS << "// This file is generated by TableGen. Do not edit.\n\n";
+
+ std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr");
+ std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end(), ri, re;
+ std::vector<Argument*>::iterator ai, ae;
+
+ for (; i != e; ++i) {
+ Record &R = **i;
+ std::vector<Record*> ArgRecords = R.getValueAsListOfDefs("Args");
+ std::vector<Argument*> Args;
+ for (ri = ArgRecords.begin(), re = ArgRecords.end(); ri != re; ++ri)
+ Args.push_back(createArgument(**ri, R.getName()));
+
+ for (ai = Args.begin(), ae = Args.end(); ai != ae; ++ai)
+ (*ai)->writeAccessorDefinitions(OS);
+
+ OS << R.getName() << "Attr *" << R.getName()
+ << "Attr::clone(ASTContext &C) const {\n";
+ OS << " return new (C) " << R.getName() << "Attr(getLocation(), C";
+ for (ai = Args.begin(); ai != ae; ++ai) {
+ OS << ", ";
+ (*ai)->writeCloneArgs(OS);
+ }
+ OS << ");\n}\n\n";
+ }
+}
+
+static void EmitAttrList(raw_ostream &OS, StringRef Class,
+ const std::vector<Record*> &AttrList) {
+ std::vector<Record*>::const_iterator i = AttrList.begin(), e = AttrList.end();
+
+ if (i != e) {
+ // Move the end iterator back to emit the last attribute.
+ for(--e; i != e; ++i)
+ OS << Class << "(" << (*i)->getName() << ")\n";
+
+ OS << "LAST_" << Class << "(" << (*i)->getName() << ")\n\n";
+ }
+}
+
+void ClangAttrListEmitter::run(raw_ostream &OS) {
+ OS << "// This file is generated by TableGen. Do not edit.\n\n";
+
+ OS << "#ifndef LAST_ATTR\n";
+ OS << "#define LAST_ATTR(NAME) ATTR(NAME)\n";
+ OS << "#endif\n\n";
+
+ OS << "#ifndef INHERITABLE_ATTR\n";
+ OS << "#define INHERITABLE_ATTR(NAME) ATTR(NAME)\n";
+ OS << "#endif\n\n";
+
+ OS << "#ifndef LAST_INHERITABLE_ATTR\n";
+ OS << "#define LAST_INHERITABLE_ATTR(NAME) INHERITABLE_ATTR(NAME)\n";
+ OS << "#endif\n\n";
+
+ OS << "#ifndef INHERITABLE_PARAM_ATTR\n";
+ OS << "#define INHERITABLE_PARAM_ATTR(NAME) ATTR(NAME)\n";
+ OS << "#endif\n\n";
+
+ OS << "#ifndef LAST_INHERITABLE_PARAM_ATTR\n";
+ OS << "#define LAST_INHERITABLE_PARAM_ATTR(NAME)"
+ " INHERITABLE_PARAM_ATTR(NAME)\n";
+ OS << "#endif\n\n";
+
+ Record *InhClass = Records.getClass("InheritableAttr");
+ Record *InhParamClass = Records.getClass("InheritableParamAttr");
+ std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"),
+ NonInhAttrs, InhAttrs, InhParamAttrs;
+ for (std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end();
+ i != e; ++i) {
+ if ((*i)->isSubClassOf(InhParamClass))
+ InhParamAttrs.push_back(*i);
+ else if ((*i)->isSubClassOf(InhClass))
+ InhAttrs.push_back(*i);
+ else
+ NonInhAttrs.push_back(*i);
+ }
+
+ EmitAttrList(OS, "INHERITABLE_PARAM_ATTR", InhParamAttrs);
+ EmitAttrList(OS, "INHERITABLE_ATTR", InhAttrs);
+ EmitAttrList(OS, "ATTR", NonInhAttrs);
+
+ OS << "#undef LAST_ATTR\n";
+ OS << "#undef INHERITABLE_ATTR\n";
+ OS << "#undef LAST_INHERITABLE_ATTR\n";
+ OS << "#undef LAST_INHERITABLE_PARAM_ATTR\n";
+ OS << "#undef ATTR\n";
+}
+
+void ClangAttrPCHReadEmitter::run(raw_ostream &OS) {
+ OS << "// This file is generated by TableGen. Do not edit.\n\n";
+
+ Record *InhClass = Records.getClass("InheritableAttr");
+ std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"),
+ ArgRecords;
+ std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end(), ai, ae;
+ std::vector<Argument*> Args;
+ std::vector<Argument*>::iterator ri, re;
+
+ OS << " switch (Kind) {\n";
+ OS << " default:\n";
+ OS << " assert(0 && \"Unknown attribute!\");\n";
+ OS << " break;\n";
+ for (; i != e; ++i) {
+ Record &R = **i;
+ OS << " case attr::" << R.getName() << ": {\n";
+ if (R.isSubClassOf(InhClass))
+ OS << " bool isInherited = Record[Idx++];\n";
+ ArgRecords = R.getValueAsListOfDefs("Args");
+ Args.clear();
+ for (ai = ArgRecords.begin(), ae = ArgRecords.end(); ai != ae; ++ai) {
+ Argument *A = createArgument(**ai, R.getName());
+ Args.push_back(A);
+ A->writePCHReadDecls(OS);
+ }
+ OS << " New = new (Context) " << R.getName() << "Attr(Range, Context";
+ for (ri = Args.begin(), re = Args.end(); ri != re; ++ri) {
+ OS << ", ";
+ (*ri)->writePCHReadArgs(OS);
+ }
+ OS << ");\n";
+ if (R.isSubClassOf(InhClass))
+ OS << " cast<InheritableAttr>(New)->setInherited(isInherited);\n";
+ OS << " break;\n";
+ OS << " }\n";
+ }
+ OS << " }\n";
+}
+
+void ClangAttrPCHWriteEmitter::run(raw_ostream &OS) {
+ Record *InhClass = Records.getClass("InheritableAttr");
+ std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"), Args;
+ std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end(), ai, ae;
+
+ OS << " switch (A->getKind()) {\n";
+ OS << " default:\n";
+ OS << " llvm_unreachable(\"Unknown attribute kind!\");\n";
+ OS << " break;\n";
+ for (; i != e; ++i) {
+ Record &R = **i;
+ OS << " case attr::" << R.getName() << ": {\n";
+ Args = R.getValueAsListOfDefs("Args");
+ if (R.isSubClassOf(InhClass) || !Args.empty())
+ OS << " const " << R.getName() << "Attr *SA = cast<" << R.getName()
+ << "Attr>(A);\n";
+ if (R.isSubClassOf(InhClass))
+ OS << " Record.push_back(SA->isInherited());\n";
+ for (ai = Args.begin(), ae = Args.end(); ai != ae; ++ai)
+ createArgument(**ai, R.getName())->writePCHWrite(OS);
+ OS << " break;\n";
+ OS << " }\n";
+ }
+ OS << " }\n";
+}
+
+void ClangAttrSpellingListEmitter::run(raw_ostream &OS) {
+ OS << "// This file is generated by TableGen. Do not edit.\n\n";
+
+ std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr");
+
+ for (std::vector<Record*>::iterator I = Attrs.begin(), E = Attrs.end(); I != E; ++I) {
+ Record &Attr = **I;
+
+ std::vector<StringRef> Spellings = getValueAsListOfStrings(Attr, "Spellings");
+
+ for (std::vector<StringRef>::const_iterator I = Spellings.begin(), E = Spellings.end(); I != E; ++I) {
+ StringRef Spelling = *I;
+ OS << ".Case(\"" << Spelling << "\", true)\n";
+ }
+ }
+
+}
+
+void ClangAttrLateParsedListEmitter::run(raw_ostream &OS) {
+ OS << "// This file is generated by TableGen. Do not edit.\n\n";
+
+ std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr");
+
+ for (std::vector<Record*>::iterator I = Attrs.begin(), E = Attrs.end();
+ I != E; ++I) {
+ Record &Attr = **I;
+
+ bool LateParsed = Attr.getValueAsBit("LateParsed");
+
+ if (LateParsed) {
+ std::vector<StringRef> Spellings =
+ getValueAsListOfStrings(Attr, "Spellings");
+
+ for (std::vector<StringRef>::const_iterator I = Spellings.begin(),
+ E = Spellings.end(); I != E; ++I) {
+ OS << ".Case(\"" << (*I) << "\", " << LateParsed << ")\n";
+ }
+ }
+ }
+}
Added: cfe/trunk/utils/TableGen/ClangAttrEmitter.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/ClangAttrEmitter.h?rev=141291&view=auto
==============================================================================
--- cfe/trunk/utils/TableGen/ClangAttrEmitter.h (added)
+++ cfe/trunk/utils/TableGen/ClangAttrEmitter.h Thu Oct 6 08:03:08 2011
@@ -0,0 +1,114 @@
+//===- ClangAttrEmitter.h - Generate Clang attribute handling =-*- C++ -*--===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// These tablegen backends emit Clang attribute processing code
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANGATTR_EMITTER_H
+#define CLANGATTR_EMITTER_H
+
+#include "llvm/TableGen/TableGenBackend.h"
+
+namespace llvm {
+
+/// ClangAttrClassEmitter - class emits the class defintions for attributes for
+/// clang.
+class ClangAttrClassEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+
+ public:
+ explicit ClangAttrClassEmitter(RecordKeeper &R)
+ : Records(R)
+ {}
+
+ void run(raw_ostream &OS);
+};
+
+/// ClangAttrImplEmitter - class emits the class method defintions for
+/// attributes for clang.
+class ClangAttrImplEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+
+ public:
+ explicit ClangAttrImplEmitter(RecordKeeper &R)
+ : Records(R)
+ {}
+
+ void run(raw_ostream &OS);
+};
+
+/// ClangAttrListEmitter - class emits the enumeration list for attributes for
+/// clang.
+class ClangAttrListEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+
+ public:
+ explicit ClangAttrListEmitter(RecordKeeper &R)
+ : Records(R)
+ {}
+
+ void run(raw_ostream &OS);
+};
+
+/// ClangAttrPCHReadEmitter - class emits the code to read an attribute from
+/// a clang precompiled header.
+class ClangAttrPCHReadEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+
+public:
+ explicit ClangAttrPCHReadEmitter(RecordKeeper &R)
+ : Records(R)
+ {}
+
+ void run(raw_ostream &OS);
+};
+
+/// ClangAttrPCHWriteEmitter - class emits the code to read an attribute from
+/// a clang precompiled header.
+class ClangAttrPCHWriteEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+
+public:
+ explicit ClangAttrPCHWriteEmitter(RecordKeeper &R)
+ : Records(R)
+ {}
+
+ void run(raw_ostream &OS);
+};
+
+/// ClangAttrSpellingListEmitter - class emits the list of spellings for attributes for
+/// clang.
+class ClangAttrSpellingListEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+
+ public:
+ explicit ClangAttrSpellingListEmitter(RecordKeeper &R)
+ : Records(R)
+ {}
+
+ void run(raw_ostream &OS);
+};
+
+/// ClangAttrLateParsedListEmitter emits the LateParsed property for attributes
+/// for clang.
+class ClangAttrLateParsedListEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+
+ public:
+ explicit ClangAttrLateParsedListEmitter(RecordKeeper &R)
+ : Records(R)
+ {}
+
+ void run(raw_ostream &OS);
+};
+
+}
+
+#endif
Added: cfe/trunk/utils/TableGen/ClangDiagnosticsEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/ClangDiagnosticsEmitter.cpp?rev=141291&view=auto
==============================================================================
--- cfe/trunk/utils/TableGen/ClangDiagnosticsEmitter.cpp (added)
+++ cfe/trunk/utils/TableGen/ClangDiagnosticsEmitter.cpp Thu Oct 6 08:03:08 2011
@@ -0,0 +1,378 @@
+//=- ClangDiagnosticsEmitter.cpp - Generate Clang diagnostics tables -*- C++ -*-
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// These tablegen backends emit Clang diagnostics tables.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ClangDiagnosticsEmitter.h"
+#include "llvm/TableGen/Record.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/ADT/DenseSet.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/VectorExtras.h"
+#include <map>
+#include <algorithm>
+#include <functional>
+using namespace llvm;
+
+//===----------------------------------------------------------------------===//
+// Diagnostic category computation code.
+//===----------------------------------------------------------------------===//
+
+namespace {
+class DiagGroupParentMap {
+ RecordKeeper &Records;
+ std::map<const Record*, std::vector<Record*> > Mapping;
+public:
+ DiagGroupParentMap(RecordKeeper &records) : Records(records) {
+ std::vector<Record*> DiagGroups
+ = Records.getAllDerivedDefinitions("DiagGroup");
+ for (unsigned i = 0, e = DiagGroups.size(); i != e; ++i) {
+ std::vector<Record*> SubGroups =
+ DiagGroups[i]->getValueAsListOfDefs("SubGroups");
+ for (unsigned j = 0, e = SubGroups.size(); j != e; ++j)
+ Mapping[SubGroups[j]].push_back(DiagGroups[i]);
+ }
+ }
+
+ const std::vector<Record*> &getParents(const Record *Group) {
+ return Mapping[Group];
+ }
+};
+} // end anonymous namespace.
+
+
+static std::string
+getCategoryFromDiagGroup(const Record *Group,
+ DiagGroupParentMap &DiagGroupParents) {
+ // If the DiagGroup has a category, return it.
+ std::string CatName = Group->getValueAsString("CategoryName");
+ if (!CatName.empty()) return CatName;
+
+ // The diag group may the subgroup of one or more other diagnostic groups,
+ // check these for a category as well.
+ const std::vector<Record*> &Parents = DiagGroupParents.getParents(Group);
+ for (unsigned i = 0, e = Parents.size(); i != e; ++i) {
+ CatName = getCategoryFromDiagGroup(Parents[i], DiagGroupParents);
+ if (!CatName.empty()) return CatName;
+ }
+ return "";
+}
+
+/// getDiagnosticCategory - Return the category that the specified diagnostic
+/// lives in.
+static std::string getDiagnosticCategory(const Record *R,
+ DiagGroupParentMap &DiagGroupParents) {
+ // If the diagnostic is in a group, and that group has a category, use it.
+ if (DefInit *Group = dynamic_cast<DefInit*>(R->getValueInit("Group"))) {
+ // Check the diagnostic's diag group for a category.
+ std::string CatName = getCategoryFromDiagGroup(Group->getDef(),
+ DiagGroupParents);
+ if (!CatName.empty()) return CatName;
+ }
+
+ // If the diagnostic itself has a category, get it.
+ return R->getValueAsString("CategoryName");
+}
+
+namespace {
+ class DiagCategoryIDMap {
+ RecordKeeper &Records;
+ StringMap<unsigned> CategoryIDs;
+ std::vector<std::string> CategoryStrings;
+ public:
+ DiagCategoryIDMap(RecordKeeper &records) : Records(records) {
+ DiagGroupParentMap ParentInfo(Records);
+
+ // The zero'th category is "".
+ CategoryStrings.push_back("");
+ CategoryIDs[""] = 0;
+
+ std::vector<Record*> Diags =
+ Records.getAllDerivedDefinitions("Diagnostic");
+ for (unsigned i = 0, e = Diags.size(); i != e; ++i) {
+ std::string Category = getDiagnosticCategory(Diags[i], ParentInfo);
+ if (Category.empty()) continue; // Skip diags with no category.
+
+ unsigned &ID = CategoryIDs[Category];
+ if (ID != 0) continue; // Already seen.
+
+ ID = CategoryStrings.size();
+ CategoryStrings.push_back(Category);
+ }
+ }
+
+ unsigned getID(StringRef CategoryString) {
+ return CategoryIDs[CategoryString];
+ }
+
+ typedef std::vector<std::string>::iterator iterator;
+ iterator begin() { return CategoryStrings.begin(); }
+ iterator end() { return CategoryStrings.end(); }
+ };
+} // end anonymous namespace.
+
+
+//===----------------------------------------------------------------------===//
+// Warning Tables (.inc file) generation.
+//===----------------------------------------------------------------------===//
+
+void ClangDiagsDefsEmitter::run(raw_ostream &OS) {
+ // Write the #if guard
+ if (!Component.empty()) {
+ std::string ComponentName = UppercaseString(Component);
+ OS << "#ifdef " << ComponentName << "START\n";
+ OS << "__" << ComponentName << "START = DIAG_START_" << ComponentName
+ << ",\n";
+ OS << "#undef " << ComponentName << "START\n";
+ OS << "#endif\n\n";
+ }
+
+ const std::vector<Record*> &Diags =
+ Records.getAllDerivedDefinitions("Diagnostic");
+
+ DiagCategoryIDMap CategoryIDs(Records);
+ DiagGroupParentMap DGParentMap(Records);
+
+ for (unsigned i = 0, e = Diags.size(); i != e; ++i) {
+ const Record &R = *Diags[i];
+ // Filter by component.
+ if (!Component.empty() && Component != R.getValueAsString("Component"))
+ continue;
+
+ OS << "DIAG(" << R.getName() << ", ";
+ OS << R.getValueAsDef("Class")->getName();
+ OS << ", diag::" << R.getValueAsDef("DefaultMapping")->getName();
+
+ // Description string.
+ OS << ", \"";
+ OS.write_escaped(R.getValueAsString("Text")) << '"';
+
+ // Warning associated with the diagnostic.
+ if (DefInit *DI = dynamic_cast<DefInit*>(R.getValueInit("Group"))) {
+ OS << ", \"";
+ OS.write_escaped(DI->getDef()->getValueAsString("GroupName")) << '"';
+ } else {
+ OS << ", \"\"";
+ }
+
+ // SFINAE bit
+ if (R.getValueAsBit("SFINAE"))
+ OS << ", true";
+ else
+ OS << ", false";
+
+ // Access control bit
+ if (R.getValueAsBit("AccessControl"))
+ OS << ", true";
+ else
+ OS << ", false";
+
+ // FIXME: This condition is just to avoid temporary revlock, it can be
+ // removed.
+ if (R.getValue("WarningNoWerror")) {
+ // Default warning has no Werror bit.
+ if (R.getValueAsBit("WarningNoWerror"))
+ OS << ", true";
+ else
+ OS << ", false";
+
+ // Default warning show in system header bit.
+ if (R.getValueAsBit("WarningShowInSystemHeader"))
+ OS << ", true";
+ else
+ OS << ", false";
+ }
+
+ // Category number.
+ OS << ", " << CategoryIDs.getID(getDiagnosticCategory(&R, DGParentMap));
+
+ // Brief
+ OS << ", \"";
+ OS.write_escaped(R.getValueAsString("Brief")) << '"';
+
+ // Explanation
+ OS << ", \"";
+ OS.write_escaped(R.getValueAsString("Explanation")) << '"';
+ OS << ")\n";
+ }
+}
+
+//===----------------------------------------------------------------------===//
+// Warning Group Tables generation
+//===----------------------------------------------------------------------===//
+
+static std::string getDiagCategoryEnum(llvm::StringRef name) {
+ if (name.empty())
+ return "DiagCat_None";
+ llvm::SmallString<256> enumName = llvm::StringRef("DiagCat_");
+ for (llvm::StringRef::iterator I = name.begin(), E = name.end(); I != E; ++I)
+ enumName += isalnum(*I) ? *I : '_';
+ return enumName.str();
+}
+
+namespace {
+struct GroupInfo {
+ std::vector<const Record*> DiagsInGroup;
+ std::vector<std::string> SubGroups;
+ unsigned IDNo;
+};
+} // end anonymous namespace.
+
+void ClangDiagGroupsEmitter::run(raw_ostream &OS) {
+ // Compute a mapping from a DiagGroup to all of its parents.
+ DiagGroupParentMap DGParentMap(Records);
+
+ // Invert the 1-[0/1] mapping of diags to group into a one to many mapping of
+ // groups to diags in the group.
+ std::map<std::string, GroupInfo> DiagsInGroup;
+
+ std::vector<Record*> Diags =
+ Records.getAllDerivedDefinitions("Diagnostic");
+ for (unsigned i = 0, e = Diags.size(); i != e; ++i) {
+ const Record *R = Diags[i];
+ DefInit *DI = dynamic_cast<DefInit*>(R->getValueInit("Group"));
+ if (DI == 0) continue;
+ std::string GroupName = DI->getDef()->getValueAsString("GroupName");
+ DiagsInGroup[GroupName].DiagsInGroup.push_back(R);
+ }
+
+ // Add all DiagGroup's to the DiagsInGroup list to make sure we pick up empty
+ // groups (these are warnings that GCC supports that clang never produces).
+ std::vector<Record*> DiagGroups
+ = Records.getAllDerivedDefinitions("DiagGroup");
+ for (unsigned i = 0, e = DiagGroups.size(); i != e; ++i) {
+ Record *Group = DiagGroups[i];
+ GroupInfo &GI = DiagsInGroup[Group->getValueAsString("GroupName")];
+
+ std::vector<Record*> SubGroups = Group->getValueAsListOfDefs("SubGroups");
+ for (unsigned j = 0, e = SubGroups.size(); j != e; ++j)
+ GI.SubGroups.push_back(SubGroups[j]->getValueAsString("GroupName"));
+ }
+
+ // Assign unique ID numbers to the groups.
+ unsigned IDNo = 0;
+ for (std::map<std::string, GroupInfo>::iterator
+ I = DiagsInGroup.begin(), E = DiagsInGroup.end(); I != E; ++I, ++IDNo)
+ I->second.IDNo = IDNo;
+
+ // Walk through the groups emitting an array for each diagnostic of the diags
+ // that are mapped to.
+ OS << "\n#ifdef GET_DIAG_ARRAYS\n";
+ unsigned MaxLen = 0;
+ for (std::map<std::string, GroupInfo>::iterator
+ I = DiagsInGroup.begin(), E = DiagsInGroup.end(); I != E; ++I) {
+ MaxLen = std::max(MaxLen, (unsigned)I->first.size());
+
+ std::vector<const Record*> &V = I->second.DiagsInGroup;
+ if (!V.empty()) {
+ OS << "static const short DiagArray" << I->second.IDNo << "[] = { ";
+ for (unsigned i = 0, e = V.size(); i != e; ++i)
+ OS << "diag::" << V[i]->getName() << ", ";
+ OS << "-1 };\n";
+ }
+
+ const std::vector<std::string> &SubGroups = I->second.SubGroups;
+ if (!SubGroups.empty()) {
+ OS << "static const short DiagSubGroup" << I->second.IDNo << "[] = { ";
+ for (unsigned i = 0, e = SubGroups.size(); i != e; ++i) {
+ std::map<std::string, GroupInfo>::iterator RI =
+ DiagsInGroup.find(SubGroups[i]);
+ assert(RI != DiagsInGroup.end() && "Referenced without existing?");
+ OS << RI->second.IDNo << ", ";
+ }
+ OS << "-1 };\n";
+ }
+ }
+ OS << "#endif // GET_DIAG_ARRAYS\n\n";
+
+ // Emit the table now.
+ OS << "\n#ifdef GET_DIAG_TABLE\n";
+ for (std::map<std::string, GroupInfo>::iterator
+ I = DiagsInGroup.begin(), E = DiagsInGroup.end(); I != E; ++I) {
+ // Group option string.
+ OS << " { ";
+ OS << I->first.size() << ", ";
+ OS << "\"";
+ OS.write_escaped(I->first) << "\","
+ << std::string(MaxLen-I->first.size()+1, ' ');
+
+ // Diagnostics in the group.
+ if (I->second.DiagsInGroup.empty())
+ OS << "0, ";
+ else
+ OS << "DiagArray" << I->second.IDNo << ", ";
+
+ // Subgroups.
+ if (I->second.SubGroups.empty())
+ OS << 0;
+ else
+ OS << "DiagSubGroup" << I->second.IDNo;
+ OS << " },\n";
+ }
+ OS << "#endif // GET_DIAG_TABLE\n\n";
+
+ // Emit the category table next.
+ DiagCategoryIDMap CategoriesByID(Records);
+ OS << "\n#ifdef GET_CATEGORY_TABLE\n";
+ for (DiagCategoryIDMap::iterator I = CategoriesByID.begin(),
+ E = CategoriesByID.end(); I != E; ++I)
+ OS << "CATEGORY(\"" << *I << "\", " << getDiagCategoryEnum(*I) << ")\n";
+ OS << "#endif // GET_CATEGORY_TABLE\n\n";
+}
+
+//===----------------------------------------------------------------------===//
+// Diagnostic name index generation
+//===----------------------------------------------------------------------===//
+
+namespace {
+struct RecordIndexElement
+{
+ RecordIndexElement() {}
+ explicit RecordIndexElement(Record const &R):
+ Name(R.getName()) {}
+
+ std::string Name;
+};
+
+struct RecordIndexElementSorter :
+ public std::binary_function<RecordIndexElement, RecordIndexElement, bool> {
+
+ bool operator()(RecordIndexElement const &Lhs,
+ RecordIndexElement const &Rhs) const {
+ return Lhs.Name < Rhs.Name;
+ }
+
+};
+
+} // end anonymous namespace.
+
+void ClangDiagsIndexNameEmitter::run(raw_ostream &OS) {
+ const std::vector<Record*> &Diags =
+ Records.getAllDerivedDefinitions("Diagnostic");
+
+ std::vector<RecordIndexElement> Index;
+ Index.reserve(Diags.size());
+ for (unsigned i = 0, e = Diags.size(); i != e; ++i) {
+ const Record &R = *(Diags[i]);
+ Index.push_back(RecordIndexElement(R));
+ }
+
+ std::sort(Index.begin(), Index.end(), RecordIndexElementSorter());
+
+ for (unsigned i = 0, e = Index.size(); i != e; ++i) {
+ const RecordIndexElement &R = Index[i];
+
+ OS << "DIAG_NAME_INDEX(" << R.Name << ")\n";
+ }
+}
Added: cfe/trunk/utils/TableGen/ClangDiagnosticsEmitter.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/ClangDiagnosticsEmitter.h?rev=141291&view=auto
==============================================================================
--- cfe/trunk/utils/TableGen/ClangDiagnosticsEmitter.h (added)
+++ cfe/trunk/utils/TableGen/ClangDiagnosticsEmitter.h Thu Oct 6 08:03:08 2011
@@ -0,0 +1,54 @@
+//===- ClangDiagnosticsEmitter.h - Generate Clang diagnostics tables -*- C++ -*-
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// These tablegen backends emit Clang diagnostics tables.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANGDIAGS_EMITTER_H
+#define CLANGDIAGS_EMITTER_H
+
+#include "llvm/TableGen/TableGenBackend.h"
+
+namespace llvm {
+
+/// ClangDiagsDefsEmitter - The top-level class emits .def files containing
+/// declarations of Clang diagnostics.
+///
+class ClangDiagsDefsEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+ const std::string& Component;
+public:
+ explicit ClangDiagsDefsEmitter(RecordKeeper &R, const std::string& component)
+ : Records(R), Component(component) {}
+
+ // run - Output the .def file contents
+ void run(raw_ostream &OS);
+};
+
+class ClangDiagGroupsEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+public:
+ explicit ClangDiagGroupsEmitter(RecordKeeper &R) : Records(R) {}
+
+ void run(raw_ostream &OS);
+};
+
+class ClangDiagsIndexNameEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+public:
+ explicit ClangDiagsIndexNameEmitter(RecordKeeper &R) : Records(R) {}
+
+ void run(raw_ostream &OS);
+};
+
+
+} // End llvm namespace
+
+#endif
Added: cfe/trunk/utils/TableGen/ClangSACheckersEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/ClangSACheckersEmitter.cpp?rev=141291&view=auto
==============================================================================
--- cfe/trunk/utils/TableGen/ClangSACheckersEmitter.cpp (added)
+++ cfe/trunk/utils/TableGen/ClangSACheckersEmitter.cpp Thu Oct 6 08:03:08 2011
@@ -0,0 +1,319 @@
+//=- ClangSACheckersEmitter.cpp - Generate Clang SA checkers tables -*- C++ -*-
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This tablegen backend emits Clang Static Analyzer checkers tables.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ClangSACheckersEmitter.h"
+#include "llvm/TableGen/Record.h"
+#include "llvm/ADT/DenseSet.h"
+#include <map>
+#include <string>
+using namespace llvm;
+
+//===----------------------------------------------------------------------===//
+// Static Analyzer Checkers Tables generation
+//===----------------------------------------------------------------------===//
+
+/// \brief True if it is specified hidden or a parent package is specified
+/// as hidden, otherwise false.
+static bool isHidden(const Record &R) {
+ if (R.getValueAsBit("Hidden"))
+ return true;
+ // Not declared as hidden, check the parent package if it is hidden.
+ if (DefInit *DI = dynamic_cast<DefInit*>(R.getValueInit("ParentPackage")))
+ return isHidden(*DI->getDef());
+
+ return false;
+}
+
+static bool isCheckerNamed(const Record *R) {
+ return !R->getValueAsString("CheckerName").empty();
+}
+
+static std::string getPackageFullName(const Record *R);
+
+static std::string getParentPackageFullName(const Record *R) {
+ std::string name;
+ if (DefInit *DI = dynamic_cast<DefInit*>(R->getValueInit("ParentPackage")))
+ name = getPackageFullName(DI->getDef());
+ return name;
+}
+
+static std::string getPackageFullName(const Record *R) {
+ std::string name = getParentPackageFullName(R);
+ if (!name.empty()) name += ".";
+ return name + R->getValueAsString("PackageName");
+}
+
+static std::string getCheckerFullName(const Record *R) {
+ std::string name = getParentPackageFullName(R);
+ if (isCheckerNamed(R)) {
+ if (!name.empty()) name += ".";
+ name += R->getValueAsString("CheckerName");
+ }
+ return name;
+}
+
+static std::string getStringValue(const Record &R, StringRef field) {
+ if (StringInit *
+ SI = dynamic_cast<StringInit*>(R.getValueInit(field)))
+ return SI->getValue();
+ return std::string();
+}
+
+namespace {
+struct GroupInfo {
+ llvm::DenseSet<const Record*> Checkers;
+ llvm::DenseSet<const Record *> SubGroups;
+ bool Hidden;
+ unsigned Index;
+
+ GroupInfo() : Hidden(false) { }
+};
+}
+
+static void addPackageToCheckerGroup(const Record *package, const Record *group,
+ llvm::DenseMap<const Record *, GroupInfo *> &recordGroupMap) {
+ llvm::DenseSet<const Record *> &checkers = recordGroupMap[package]->Checkers;
+ for (llvm::DenseSet<const Record *>::iterator
+ I = checkers.begin(), E = checkers.end(); I != E; ++I)
+ recordGroupMap[group]->Checkers.insert(*I);
+
+ llvm::DenseSet<const Record *> &subGroups = recordGroupMap[package]->SubGroups;
+ for (llvm::DenseSet<const Record *>::iterator
+ I = subGroups.begin(), E = subGroups.end(); I != E; ++I)
+ addPackageToCheckerGroup(*I, group, recordGroupMap);
+}
+
+void ClangSACheckersEmitter::run(raw_ostream &OS) {
+ std::vector<Record*> checkers = Records.getAllDerivedDefinitions("Checker");
+ llvm::DenseMap<const Record *, unsigned> checkerRecIndexMap;
+ for (unsigned i = 0, e = checkers.size(); i != e; ++i)
+ checkerRecIndexMap[checkers[i]] = i;
+
+ // Invert the mapping of checkers to package/group into a one to many
+ // mapping of packages/groups to checkers.
+ std::map<std::string, GroupInfo> groupInfoByName;
+ llvm::DenseMap<const Record *, GroupInfo *> recordGroupMap;
+
+ std::vector<Record*> packages = Records.getAllDerivedDefinitions("Package");
+ for (unsigned i = 0, e = packages.size(); i != e; ++i) {
+ Record *R = packages[i];
+ std::string fullName = getPackageFullName(R);
+ if (!fullName.empty()) {
+ GroupInfo &info = groupInfoByName[fullName];
+ info.Hidden = isHidden(*R);
+ recordGroupMap[R] = &info;
+ }
+ }
+
+ std::vector<Record*>
+ checkerGroups = Records.getAllDerivedDefinitions("CheckerGroup");
+ for (unsigned i = 0, e = checkerGroups.size(); i != e; ++i) {
+ Record *R = checkerGroups[i];
+ std::string name = R->getValueAsString("GroupName");
+ if (!name.empty()) {
+ GroupInfo &info = groupInfoByName[name];
+ recordGroupMap[R] = &info;
+ }
+ }
+
+ for (unsigned i = 0, e = checkers.size(); i != e; ++i) {
+ Record *R = checkers[i];
+ Record *package = 0;
+ if (DefInit *
+ DI = dynamic_cast<DefInit*>(R->getValueInit("ParentPackage")))
+ package = DI->getDef();
+ if (!isCheckerNamed(R) && !package)
+ throw "Checker '" + R->getName() + "' is neither named, nor in a package!";
+
+ if (isCheckerNamed(R)) {
+ // Create a pseudo-group to hold this checker.
+ std::string fullName = getCheckerFullName(R);
+ GroupInfo &info = groupInfoByName[fullName];
+ info.Hidden = R->getValueAsBit("Hidden");
+ recordGroupMap[R] = &info;
+ info.Checkers.insert(R);
+ } else {
+ recordGroupMap[package]->Checkers.insert(R);
+ }
+
+ Record *currR = isCheckerNamed(R) ? R : package;
+ // Insert the checker and its parent packages into the subgroups set of
+ // the corresponding parent package.
+ while (DefInit *DI
+ = dynamic_cast<DefInit*>(currR->getValueInit("ParentPackage"))) {
+ Record *parentPackage = DI->getDef();
+ recordGroupMap[parentPackage]->SubGroups.insert(currR);
+ currR = parentPackage;
+ }
+ // Insert the checker into the set of its group.
+ if (DefInit *DI = dynamic_cast<DefInit*>(R->getValueInit("Group")))
+ recordGroupMap[DI->getDef()]->Checkers.insert(R);
+ }
+
+ // If a package is in group, add all its checkers and its sub-packages
+ // checkers into the group.
+ for (unsigned i = 0, e = packages.size(); i != e; ++i)
+ if (DefInit *DI = dynamic_cast<DefInit*>(packages[i]->getValueInit("Group")))
+ addPackageToCheckerGroup(packages[i], DI->getDef(), recordGroupMap);
+
+ typedef std::map<std::string, const Record *> SortedRecords;
+ typedef llvm::DenseMap<const Record *, unsigned> RecToSortIndex;
+
+ SortedRecords sortedGroups;
+ RecToSortIndex groupToSortIndex;
+ OS << "\n#ifdef GET_GROUPS\n";
+ {
+ for (unsigned i = 0, e = checkerGroups.size(); i != e; ++i)
+ sortedGroups[checkerGroups[i]->getValueAsString("GroupName")]
+ = checkerGroups[i];
+
+ unsigned sortIndex = 0;
+ for (SortedRecords::iterator
+ I = sortedGroups.begin(), E = sortedGroups.end(); I != E; ++I) {
+ const Record *R = I->second;
+
+ OS << "GROUP(" << "\"";
+ OS.write_escaped(R->getValueAsString("GroupName")) << "\"";
+ OS << ")\n";
+
+ groupToSortIndex[R] = sortIndex++;
+ }
+ }
+ OS << "#endif // GET_GROUPS\n\n";
+
+ OS << "\n#ifdef GET_PACKAGES\n";
+ {
+ SortedRecords sortedPackages;
+ for (unsigned i = 0, e = packages.size(); i != e; ++i)
+ sortedPackages[getPackageFullName(packages[i])] = packages[i];
+
+ for (SortedRecords::iterator
+ I = sortedPackages.begin(), E = sortedPackages.end(); I != E; ++I) {
+ const Record &R = *I->second;
+
+ OS << "PACKAGE(" << "\"";
+ OS.write_escaped(getPackageFullName(&R)) << "\", ";
+ // Group index
+ if (DefInit *DI = dynamic_cast<DefInit*>(R.getValueInit("Group")))
+ OS << groupToSortIndex[DI->getDef()] << ", ";
+ else
+ OS << "-1, ";
+ // Hidden bit
+ if (isHidden(R))
+ OS << "true";
+ else
+ OS << "false";
+ OS << ")\n";
+ }
+ }
+ OS << "#endif // GET_PACKAGES\n\n";
+
+ OS << "\n#ifdef GET_CHECKERS\n";
+ for (unsigned i = 0, e = checkers.size(); i != e; ++i) {
+ const Record &R = *checkers[i];
+
+ OS << "CHECKER(" << "\"";
+ std::string name;
+ if (isCheckerNamed(&R))
+ name = getCheckerFullName(&R);
+ OS.write_escaped(name) << "\", ";
+ OS << R.getName() << ", ";
+ OS << getStringValue(R, "DescFile") << ", ";
+ OS << "\"";
+ OS.write_escaped(getStringValue(R, "HelpText")) << "\", ";
+ // Group index
+ if (DefInit *DI = dynamic_cast<DefInit*>(R.getValueInit("Group")))
+ OS << groupToSortIndex[DI->getDef()] << ", ";
+ else
+ OS << "-1, ";
+ // Hidden bit
+ if (isHidden(R))
+ OS << "true";
+ else
+ OS << "false";
+ OS << ")\n";
+ }
+ OS << "#endif // GET_CHECKERS\n\n";
+
+ unsigned index = 0;
+ for (std::map<std::string, GroupInfo>::iterator
+ I = groupInfoByName.begin(), E = groupInfoByName.end(); I != E; ++I)
+ I->second.Index = index++;
+
+ // Walk through the packages/groups/checkers emitting an array for each
+ // set of checkers and an array for each set of subpackages.
+
+ OS << "\n#ifdef GET_MEMBER_ARRAYS\n";
+ unsigned maxLen = 0;
+ for (std::map<std::string, GroupInfo>::iterator
+ I = groupInfoByName.begin(), E = groupInfoByName.end(); I != E; ++I) {
+ maxLen = std::max(maxLen, (unsigned)I->first.size());
+
+ llvm::DenseSet<const Record *> &checkers = I->second.Checkers;
+ if (!checkers.empty()) {
+ OS << "static const short CheckerArray" << I->second.Index << "[] = { ";
+ // Make the output order deterministic.
+ std::map<int, const Record *> sorted;
+ for (llvm::DenseSet<const Record *>::iterator
+ I = checkers.begin(), E = checkers.end(); I != E; ++I)
+ sorted[(*I)->getID()] = *I;
+
+ for (std::map<int, const Record *>::iterator
+ I = sorted.begin(), E = sorted.end(); I != E; ++I)
+ OS << checkerRecIndexMap[I->second] << ", ";
+ OS << "-1 };\n";
+ }
+
+ llvm::DenseSet<const Record *> &subGroups = I->second.SubGroups;
+ if (!subGroups.empty()) {
+ OS << "static const short SubPackageArray" << I->second.Index << "[] = { ";
+ // Make the output order deterministic.
+ std::map<int, const Record *> sorted;
+ for (llvm::DenseSet<const Record *>::iterator
+ I = subGroups.begin(), E = subGroups.end(); I != E; ++I)
+ sorted[(*I)->getID()] = *I;
+
+ for (std::map<int, const Record *>::iterator
+ I = sorted.begin(), E = sorted.end(); I != E; ++I) {
+ OS << recordGroupMap[I->second]->Index << ", ";
+ }
+ OS << "-1 };\n";
+ }
+ }
+ OS << "#endif // GET_MEMBER_ARRAYS\n\n";
+
+ OS << "\n#ifdef GET_CHECKNAME_TABLE\n";
+ for (std::map<std::string, GroupInfo>::iterator
+ I = groupInfoByName.begin(), E = groupInfoByName.end(); I != E; ++I) {
+ // Group option string.
+ OS << " { \"";
+ OS.write_escaped(I->first) << "\","
+ << std::string(maxLen-I->first.size()+1, ' ');
+
+ if (I->second.Checkers.empty())
+ OS << "0, ";
+ else
+ OS << "CheckerArray" << I->second.Index << ", ";
+
+ // Subgroups.
+ if (I->second.SubGroups.empty())
+ OS << "0, ";
+ else
+ OS << "SubPackageArray" << I->second.Index << ", ";
+
+ OS << (I->second.Hidden ? "true" : "false");
+
+ OS << " },\n";
+ }
+ OS << "#endif // GET_CHECKNAME_TABLE\n\n";
+}
Added: cfe/trunk/utils/TableGen/ClangSACheckersEmitter.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/ClangSACheckersEmitter.h?rev=141291&view=auto
==============================================================================
--- cfe/trunk/utils/TableGen/ClangSACheckersEmitter.h (added)
+++ cfe/trunk/utils/TableGen/ClangSACheckersEmitter.h Thu Oct 6 08:03:08 2011
@@ -0,0 +1,31 @@
+//===- ClangSACheckersEmitter.h - Generate Clang SA checkers tables -*- C++ -*-
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This tablegen backend emits Clang Static Analyzer checkers tables.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANGSACHECKERS_EMITTER_H
+#define CLANGSACHECKERS_EMITTER_H
+
+#include "llvm/TableGen/TableGenBackend.h"
+
+namespace llvm {
+
+class ClangSACheckersEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+public:
+ explicit ClangSACheckersEmitter(RecordKeeper &R) : Records(R) {}
+
+ void run(raw_ostream &OS);
+};
+
+} // End llvm namespace
+
+#endif
Added: cfe/trunk/utils/TableGen/Makefile
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/Makefile?rev=141291&view=auto
==============================================================================
--- cfe/trunk/utils/TableGen/Makefile (added)
+++ cfe/trunk/utils/TableGen/Makefile Thu Oct 6 08:03:08 2011
@@ -0,0 +1,19 @@
+##===- utils/TableGen/Makefile -----------------------------*- Makefile -*-===##
+#
+# The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+CLANG_LEVEL = ../..
+TOOLNAME = clang-tblgen
+USEDLIBS = LLVMTableGen.a LLVMSupport.a
+REQUIRES_EH := 1
+REQUIRES_RTTI := 1
+
+# This tool has no plugins, optimize startup time.
+TOOL_NO_EXPORTS = 1
+
+include $(CLANG_LEVEL)/Makefile
Added: cfe/trunk/utils/TableGen/NeonEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/NeonEmitter.cpp?rev=141291&view=auto
==============================================================================
--- cfe/trunk/utils/TableGen/NeonEmitter.cpp (added)
+++ cfe/trunk/utils/TableGen/NeonEmitter.cpp Thu Oct 6 08:03:08 2011
@@ -0,0 +1,1551 @@
+//===- NeonEmitter.cpp - Generate arm_neon.h for use with clang -*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This tablegen backend is responsible for emitting arm_neon.h, which includes
+// a declaration and definition of each function specified by the ARM NEON
+// compiler interface. See ARM document DUI0348B.
+//
+// Each NEON instruction is implemented in terms of 1 or more functions which
+// are suffixed with the element type of the input vectors. Functions may be
+// implemented in terms of generic vector operations such as +, *, -, etc. or
+// by calling a __builtin_-prefixed function which will be handled by clang's
+// CodeGen library.
+//
+// Additional validation code can be generated by this file when runHeader() is
+// called, rather than the normal run() entry point. A complete set of tests
+// for Neon intrinsics can be generated by calling the runTests() entry point.
+//
+//===----------------------------------------------------------------------===//
+
+#include "NeonEmitter.h"
+#include "llvm/TableGen/Error.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringExtras.h"
+#include <string>
+
+using namespace llvm;
+
+/// ParseTypes - break down a string such as "fQf" into a vector of StringRefs,
+/// which each StringRef representing a single type declared in the string.
+/// for "fQf" we would end up with 2 StringRefs, "f", and "Qf", representing
+/// 2xfloat and 4xfloat respectively.
+static void ParseTypes(Record *r, std::string &s,
+ SmallVectorImpl<StringRef> &TV) {
+ const char *data = s.data();
+ int len = 0;
+
+ for (unsigned i = 0, e = s.size(); i != e; ++i, ++len) {
+ if (data[len] == 'P' || data[len] == 'Q' || data[len] == 'U')
+ continue;
+
+ switch (data[len]) {
+ case 'c':
+ case 's':
+ case 'i':
+ case 'l':
+ case 'h':
+ case 'f':
+ break;
+ default:
+ throw TGError(r->getLoc(),
+ "Unexpected letter: " + std::string(data + len, 1));
+ break;
+ }
+ TV.push_back(StringRef(data, len + 1));
+ data += len + 1;
+ len = -1;
+ }
+}
+
+/// Widen - Convert a type code into the next wider type. char -> short,
+/// short -> int, etc.
+static char Widen(const char t) {
+ switch (t) {
+ case 'c':
+ return 's';
+ case 's':
+ return 'i';
+ case 'i':
+ return 'l';
+ case 'h':
+ return 'f';
+ default: throw "unhandled type in widen!";
+ }
+ return '\0';
+}
+
+/// Narrow - Convert a type code into the next smaller type. short -> char,
+/// float -> half float, etc.
+static char Narrow(const char t) {
+ switch (t) {
+ case 's':
+ return 'c';
+ case 'i':
+ return 's';
+ case 'l':
+ return 'i';
+ case 'f':
+ return 'h';
+ default: throw "unhandled type in narrow!";
+ }
+ return '\0';
+}
+
+/// For a particular StringRef, return the base type code, and whether it has
+/// the quad-vector, polynomial, or unsigned modifiers set.
+static char ClassifyType(StringRef ty, bool &quad, bool &poly, bool &usgn) {
+ unsigned off = 0;
+
+ // remember quad.
+ if (ty[off] == 'Q') {
+ quad = true;
+ ++off;
+ }
+
+ // remember poly.
+ if (ty[off] == 'P') {
+ poly = true;
+ ++off;
+ }
+
+ // remember unsigned.
+ if (ty[off] == 'U') {
+ usgn = true;
+ ++off;
+ }
+
+ // base type to get the type string for.
+ return ty[off];
+}
+
+/// ModType - Transform a type code and its modifiers based on a mod code. The
+/// mod code definitions may be found at the top of arm_neon.td.
+static char ModType(const char mod, char type, bool &quad, bool &poly,
+ bool &usgn, bool &scal, bool &cnst, bool &pntr) {
+ switch (mod) {
+ case 't':
+ if (poly) {
+ poly = false;
+ usgn = true;
+ }
+ break;
+ case 'u':
+ usgn = true;
+ poly = false;
+ if (type == 'f')
+ type = 'i';
+ break;
+ case 'x':
+ usgn = false;
+ poly = false;
+ if (type == 'f')
+ type = 'i';
+ break;
+ case 'f':
+ if (type == 'h')
+ quad = true;
+ type = 'f';
+ usgn = false;
+ break;
+ case 'g':
+ quad = false;
+ break;
+ case 'w':
+ type = Widen(type);
+ quad = true;
+ break;
+ case 'n':
+ type = Widen(type);
+ break;
+ case 'i':
+ type = 'i';
+ scal = true;
+ break;
+ case 'l':
+ type = 'l';
+ scal = true;
+ usgn = true;
+ break;
+ case 's':
+ case 'a':
+ scal = true;
+ break;
+ case 'k':
+ quad = true;
+ break;
+ case 'c':
+ cnst = true;
+ case 'p':
+ pntr = true;
+ scal = true;
+ break;
+ case 'h':
+ type = Narrow(type);
+ if (type == 'h')
+ quad = false;
+ break;
+ case 'e':
+ type = Narrow(type);
+ usgn = true;
+ break;
+ default:
+ break;
+ }
+ return type;
+}
+
+/// TypeString - for a modifier and type, generate the name of the typedef for
+/// that type. QUc -> uint8x8_t.
+static std::string TypeString(const char mod, StringRef typestr) {
+ bool quad = false;
+ bool poly = false;
+ bool usgn = false;
+ bool scal = false;
+ bool cnst = false;
+ bool pntr = false;
+
+ if (mod == 'v')
+ return "void";
+ if (mod == 'i')
+ return "int";
+
+ // base type to get the type string for.
+ char type = ClassifyType(typestr, quad, poly, usgn);
+
+ // Based on the modifying character, change the type and width if necessary.
+ type = ModType(mod, type, quad, poly, usgn, scal, cnst, pntr);
+
+ SmallString<128> s;
+
+ if (usgn)
+ s.push_back('u');
+
+ switch (type) {
+ case 'c':
+ s += poly ? "poly8" : "int8";
+ if (scal)
+ break;
+ s += quad ? "x16" : "x8";
+ break;
+ case 's':
+ s += poly ? "poly16" : "int16";
+ if (scal)
+ break;
+ s += quad ? "x8" : "x4";
+ break;
+ case 'i':
+ s += "int32";
+ if (scal)
+ break;
+ s += quad ? "x4" : "x2";
+ break;
+ case 'l':
+ s += "int64";
+ if (scal)
+ break;
+ s += quad ? "x2" : "x1";
+ break;
+ case 'h':
+ s += "float16";
+ if (scal)
+ break;
+ s += quad ? "x8" : "x4";
+ break;
+ case 'f':
+ s += "float32";
+ if (scal)
+ break;
+ s += quad ? "x4" : "x2";
+ break;
+ default:
+ throw "unhandled type!";
+ break;
+ }
+
+ if (mod == '2')
+ s += "x2";
+ if (mod == '3')
+ s += "x3";
+ if (mod == '4')
+ s += "x4";
+
+ // Append _t, finishing the type string typedef type.
+ s += "_t";
+
+ if (cnst)
+ s += " const";
+
+ if (pntr)
+ s += " *";
+
+ return s.str();
+}
+
+/// BuiltinTypeString - for a modifier and type, generate the clang
+/// BuiltinsARM.def prototype code for the function. See the top of clang's
+/// Builtins.def for a description of the type strings.
+static std::string BuiltinTypeString(const char mod, StringRef typestr,
+ ClassKind ck, bool ret) {
+ bool quad = false;
+ bool poly = false;
+ bool usgn = false;
+ bool scal = false;
+ bool cnst = false;
+ bool pntr = false;
+
+ if (mod == 'v')
+ return "v"; // void
+ if (mod == 'i')
+ return "i"; // int
+
+ // base type to get the type string for.
+ char type = ClassifyType(typestr, quad, poly, usgn);
+
+ // Based on the modifying character, change the type and width if necessary.
+ type = ModType(mod, type, quad, poly, usgn, scal, cnst, pntr);
+
+ // All pointers are void* pointers. Change type to 'v' now.
+ if (pntr) {
+ usgn = false;
+ poly = false;
+ type = 'v';
+ }
+ // Treat half-float ('h') types as unsigned short ('s') types.
+ if (type == 'h') {
+ type = 's';
+ usgn = true;
+ }
+ usgn = usgn | poly | ((ck == ClassI || ck == ClassW) && scal && type != 'f');
+
+ if (scal) {
+ SmallString<128> s;
+
+ if (usgn)
+ s.push_back('U');
+ else if (type == 'c')
+ s.push_back('S'); // make chars explicitly signed
+
+ if (type == 'l') // 64-bit long
+ s += "LLi";
+ else
+ s.push_back(type);
+
+ if (cnst)
+ s.push_back('C');
+ if (pntr)
+ s.push_back('*');
+ return s.str();
+ }
+
+ // Since the return value must be one type, return a vector type of the
+ // appropriate width which we will bitcast. An exception is made for
+ // returning structs of 2, 3, or 4 vectors which are returned in a sret-like
+ // fashion, storing them to a pointer arg.
+ if (ret) {
+ if (mod >= '2' && mod <= '4')
+ return "vv*"; // void result with void* first argument
+ if (mod == 'f' || (ck != ClassB && type == 'f'))
+ return quad ? "V4f" : "V2f";
+ if (ck != ClassB && type == 's')
+ return quad ? "V8s" : "V4s";
+ if (ck != ClassB && type == 'i')
+ return quad ? "V4i" : "V2i";
+ if (ck != ClassB && type == 'l')
+ return quad ? "V2LLi" : "V1LLi";
+
+ return quad ? "V16Sc" : "V8Sc";
+ }
+
+ // Non-return array types are passed as individual vectors.
+ if (mod == '2')
+ return quad ? "V16ScV16Sc" : "V8ScV8Sc";
+ if (mod == '3')
+ return quad ? "V16ScV16ScV16Sc" : "V8ScV8ScV8Sc";
+ if (mod == '4')
+ return quad ? "V16ScV16ScV16ScV16Sc" : "V8ScV8ScV8ScV8Sc";
+
+ if (mod == 'f' || (ck != ClassB && type == 'f'))
+ return quad ? "V4f" : "V2f";
+ if (ck != ClassB && type == 's')
+ return quad ? "V8s" : "V4s";
+ if (ck != ClassB && type == 'i')
+ return quad ? "V4i" : "V2i";
+ if (ck != ClassB && type == 'l')
+ return quad ? "V2LLi" : "V1LLi";
+
+ return quad ? "V16Sc" : "V8Sc";
+}
+
+/// MangleName - Append a type or width suffix to a base neon function name,
+/// and insert a 'q' in the appropriate location if the operation works on
+/// 128b rather than 64b. E.g. turn "vst2_lane" into "vst2q_lane_f32", etc.
+static std::string MangleName(const std::string &name, StringRef typestr,
+ ClassKind ck) {
+ if (name == "vcvt_f32_f16")
+ return name;
+
+ bool quad = false;
+ bool poly = false;
+ bool usgn = false;
+ char type = ClassifyType(typestr, quad, poly, usgn);
+
+ std::string s = name;
+
+ switch (type) {
+ case 'c':
+ switch (ck) {
+ case ClassS: s += poly ? "_p8" : usgn ? "_u8" : "_s8"; break;
+ case ClassI: s += "_i8"; break;
+ case ClassW: s += "_8"; break;
+ default: break;
+ }
+ break;
+ case 's':
+ switch (ck) {
+ case ClassS: s += poly ? "_p16" : usgn ? "_u16" : "_s16"; break;
+ case ClassI: s += "_i16"; break;
+ case ClassW: s += "_16"; break;
+ default: break;
+ }
+ break;
+ case 'i':
+ switch (ck) {
+ case ClassS: s += usgn ? "_u32" : "_s32"; break;
+ case ClassI: s += "_i32"; break;
+ case ClassW: s += "_32"; break;
+ default: break;
+ }
+ break;
+ case 'l':
+ switch (ck) {
+ case ClassS: s += usgn ? "_u64" : "_s64"; break;
+ case ClassI: s += "_i64"; break;
+ case ClassW: s += "_64"; break;
+ default: break;
+ }
+ break;
+ case 'h':
+ switch (ck) {
+ case ClassS:
+ case ClassI: s += "_f16"; break;
+ case ClassW: s += "_16"; break;
+ default: break;
+ }
+ break;
+ case 'f':
+ switch (ck) {
+ case ClassS:
+ case ClassI: s += "_f32"; break;
+ case ClassW: s += "_32"; break;
+ default: break;
+ }
+ break;
+ default:
+ throw "unhandled type!";
+ break;
+ }
+ if (ck == ClassB)
+ s += "_v";
+
+ // Insert a 'q' before the first '_' character so that it ends up before
+ // _lane or _n on vector-scalar operations.
+ if (quad) {
+ size_t pos = s.find('_');
+ s = s.insert(pos, "q");
+ }
+ return s;
+}
+
+/// UseMacro - Examine the prototype string to determine if the intrinsic
+/// should be defined as a preprocessor macro instead of an inline function.
+static bool UseMacro(const std::string &proto) {
+ // If this builtin takes an immediate argument, we need to #define it rather
+ // than use a standard declaration, so that SemaChecking can range check
+ // the immediate passed by the user.
+ if (proto.find('i') != std::string::npos)
+ return true;
+
+ // Pointer arguments need to use macros to avoid hiding aligned attributes
+ // from the pointer type.
+ if (proto.find('p') != std::string::npos ||
+ proto.find('c') != std::string::npos)
+ return true;
+
+ return false;
+}
+
+/// MacroArgUsedDirectly - Return true if argument i for an intrinsic that is
+/// defined as a macro should be accessed directly instead of being first
+/// assigned to a local temporary.
+static bool MacroArgUsedDirectly(const std::string &proto, unsigned i) {
+ // True for constant ints (i), pointers (p) and const pointers (c).
+ return (proto[i] == 'i' || proto[i] == 'p' || proto[i] == 'c');
+}
+
+// Generate the string "(argtype a, argtype b, ...)"
+static std::string GenArgs(const std::string &proto, StringRef typestr) {
+ bool define = UseMacro(proto);
+ char arg = 'a';
+
+ std::string s;
+ s += "(";
+
+ for (unsigned i = 1, e = proto.size(); i != e; ++i, ++arg) {
+ if (define) {
+ // Some macro arguments are used directly instead of being assigned
+ // to local temporaries; prepend an underscore prefix to make their
+ // names consistent with the local temporaries.
+ if (MacroArgUsedDirectly(proto, i))
+ s += "__";
+ } else {
+ s += TypeString(proto[i], typestr) + " __";
+ }
+ s.push_back(arg);
+ if ((i + 1) < e)
+ s += ", ";
+ }
+
+ s += ")";
+ return s;
+}
+
+// Macro arguments are not type-checked like inline function arguments, so
+// assign them to local temporaries to get the right type checking.
+static std::string GenMacroLocals(const std::string &proto, StringRef typestr) {
+ char arg = 'a';
+ std::string s;
+ bool generatedLocal = false;
+
+ for (unsigned i = 1, e = proto.size(); i != e; ++i, ++arg) {
+ // Do not create a temporary for an immediate argument.
+ // That would defeat the whole point of using a macro!
+ // FIXME: For other (non-immediate) arguments that are used directly, a
+ // local temporary (or some other method) is still needed to get the
+ // correct type checking, even if that temporary is not used for anything.
+ // This is omitted for now because it turns out the the use of
+ // "__extension__" in the macro disables any warnings from the pointer
+ // assignment.
+ if (MacroArgUsedDirectly(proto, i))
+ continue;
+ generatedLocal = true;
+
+ s += TypeString(proto[i], typestr) + " __";
+ s.push_back(arg);
+ s += " = (";
+ s.push_back(arg);
+ s += "); ";
+ }
+
+ if (generatedLocal)
+ s += "\\\n ";
+ return s;
+}
+
+// Use the vmovl builtin to sign-extend or zero-extend a vector.
+static std::string Extend(StringRef typestr, const std::string &a) {
+ std::string s;
+ s = MangleName("vmovl", typestr, ClassS);
+ s += "(" + a + ")";
+ return s;
+}
+
+static std::string Duplicate(unsigned nElts, StringRef typestr,
+ const std::string &a) {
+ std::string s;
+
+ s = "(" + TypeString('d', typestr) + "){ ";
+ for (unsigned i = 0; i != nElts; ++i) {
+ s += a;
+ if ((i + 1) < nElts)
+ s += ", ";
+ }
+ s += " }";
+
+ return s;
+}
+
+static std::string SplatLane(unsigned nElts, const std::string &vec,
+ const std::string &lane) {
+ std::string s = "__builtin_shufflevector(" + vec + ", " + vec;
+ for (unsigned i = 0; i < nElts; ++i)
+ s += ", " + lane;
+ s += ")";
+ return s;
+}
+
+static unsigned GetNumElements(StringRef typestr, bool &quad) {
+ quad = false;
+ bool dummy = false;
+ char type = ClassifyType(typestr, quad, dummy, dummy);
+ unsigned nElts = 0;
+ switch (type) {
+ case 'c': nElts = 8; break;
+ case 's': nElts = 4; break;
+ case 'i': nElts = 2; break;
+ case 'l': nElts = 1; break;
+ case 'h': nElts = 4; break;
+ case 'f': nElts = 2; break;
+ default:
+ throw "unhandled type!";
+ break;
+ }
+ if (quad) nElts <<= 1;
+ return nElts;
+}
+
+// Generate the definition for this intrinsic, e.g. "a + b" for OpAdd.
+static std::string GenOpString(OpKind op, const std::string &proto,
+ StringRef typestr) {
+ bool quad;
+ unsigned nElts = GetNumElements(typestr, quad);
+ bool define = UseMacro(proto);
+
+ std::string ts = TypeString(proto[0], typestr);
+ std::string s;
+ if (!define) {
+ s = "return ";
+ }
+
+ switch(op) {
+ case OpAdd:
+ s += "__a + __b;";
+ break;
+ case OpAddl:
+ s += Extend(typestr, "__a") + " + " + Extend(typestr, "__b") + ";";
+ break;
+ case OpAddw:
+ s += "__a + " + Extend(typestr, "__b") + ";";
+ break;
+ case OpSub:
+ s += "__a - __b;";
+ break;
+ case OpSubl:
+ s += Extend(typestr, "__a") + " - " + Extend(typestr, "__b") + ";";
+ break;
+ case OpSubw:
+ s += "__a - " + Extend(typestr, "__b") + ";";
+ break;
+ case OpMulN:
+ s += "__a * " + Duplicate(nElts, typestr, "__b") + ";";
+ break;
+ case OpMulLane:
+ s += "__a * " + SplatLane(nElts, "__b", "__c") + ";";
+ break;
+ case OpMul:
+ s += "__a * __b;";
+ break;
+ case OpMullLane:
+ s += MangleName("vmull", typestr, ClassS) + "(__a, " +
+ SplatLane(nElts, "__b", "__c") + ");";
+ break;
+ case OpMlaN:
+ s += "__a + (__b * " + Duplicate(nElts, typestr, "__c") + ");";
+ break;
+ case OpMlaLane:
+ s += "__a + (__b * " + SplatLane(nElts, "__c", "__d") + ");";
+ break;
+ case OpMla:
+ s += "__a + (__b * __c);";
+ break;
+ case OpMlalN:
+ s += "__a + " + MangleName("vmull", typestr, ClassS) + "(__b, " +
+ Duplicate(nElts, typestr, "__c") + ");";
+ break;
+ case OpMlalLane:
+ s += "__a + " + MangleName("vmull", typestr, ClassS) + "(__b, " +
+ SplatLane(nElts, "__c", "__d") + ");";
+ break;
+ case OpMlal:
+ s += "__a + " + MangleName("vmull", typestr, ClassS) + "(__b, __c);";
+ break;
+ case OpMlsN:
+ s += "__a - (__b * " + Duplicate(nElts, typestr, "__c") + ");";
+ break;
+ case OpMlsLane:
+ s += "__a - (__b * " + SplatLane(nElts, "__c", "__d") + ");";
+ break;
+ case OpMls:
+ s += "__a - (__b * __c);";
+ break;
+ case OpMlslN:
+ s += "__a - " + MangleName("vmull", typestr, ClassS) + "(__b, " +
+ Duplicate(nElts, typestr, "__c") + ");";
+ break;
+ case OpMlslLane:
+ s += "__a - " + MangleName("vmull", typestr, ClassS) + "(__b, " +
+ SplatLane(nElts, "__c", "__d") + ");";
+ break;
+ case OpMlsl:
+ s += "__a - " + MangleName("vmull", typestr, ClassS) + "(__b, __c);";
+ break;
+ case OpQDMullLane:
+ s += MangleName("vqdmull", typestr, ClassS) + "(__a, " +
+ SplatLane(nElts, "__b", "__c") + ");";
+ break;
+ case OpQDMlalLane:
+ s += MangleName("vqdmlal", typestr, ClassS) + "(__a, __b, " +
+ SplatLane(nElts, "__c", "__d") + ");";
+ break;
+ case OpQDMlslLane:
+ s += MangleName("vqdmlsl", typestr, ClassS) + "(__a, __b, " +
+ SplatLane(nElts, "__c", "__d") + ");";
+ break;
+ case OpQDMulhLane:
+ s += MangleName("vqdmulh", typestr, ClassS) + "(__a, " +
+ SplatLane(nElts, "__b", "__c") + ");";
+ break;
+ case OpQRDMulhLane:
+ s += MangleName("vqrdmulh", typestr, ClassS) + "(__a, " +
+ SplatLane(nElts, "__b", "__c") + ");";
+ break;
+ case OpEq:
+ s += "(" + ts + ")(__a == __b);";
+ break;
+ case OpGe:
+ s += "(" + ts + ")(__a >= __b);";
+ break;
+ case OpLe:
+ s += "(" + ts + ")(__a <= __b);";
+ break;
+ case OpGt:
+ s += "(" + ts + ")(__a > __b);";
+ break;
+ case OpLt:
+ s += "(" + ts + ")(__a < __b);";
+ break;
+ case OpNeg:
+ s += " -__a;";
+ break;
+ case OpNot:
+ s += " ~__a;";
+ break;
+ case OpAnd:
+ s += "__a & __b;";
+ break;
+ case OpOr:
+ s += "__a | __b;";
+ break;
+ case OpXor:
+ s += "__a ^ __b;";
+ break;
+ case OpAndNot:
+ s += "__a & ~__b;";
+ break;
+ case OpOrNot:
+ s += "__a | ~__b;";
+ break;
+ case OpCast:
+ s += "(" + ts + ")__a;";
+ break;
+ case OpConcat:
+ s += "(" + ts + ")__builtin_shufflevector((int64x1_t)__a";
+ s += ", (int64x1_t)__b, 0, 1);";
+ break;
+ case OpHi:
+ s += "(" + ts +
+ ")__builtin_shufflevector((int64x2_t)__a, (int64x2_t)__a, 1);";
+ break;
+ case OpLo:
+ s += "(" + ts +
+ ")__builtin_shufflevector((int64x2_t)__a, (int64x2_t)__a, 0);";
+ break;
+ case OpDup:
+ s += Duplicate(nElts, typestr, "__a") + ";";
+ break;
+ case OpDupLane:
+ s += SplatLane(nElts, "__a", "__b") + ";";
+ break;
+ case OpSelect:
+ // ((0 & 1) | (~0 & 2))
+ s += "(" + ts + ")";
+ ts = TypeString(proto[1], typestr);
+ s += "((__a & (" + ts + ")__b) | ";
+ s += "(~__a & (" + ts + ")__c));";
+ break;
+ case OpRev16:
+ s += "__builtin_shufflevector(__a, __a";
+ for (unsigned i = 2; i <= nElts; i += 2)
+ for (unsigned j = 0; j != 2; ++j)
+ s += ", " + utostr(i - j - 1);
+ s += ");";
+ break;
+ case OpRev32: {
+ unsigned WordElts = nElts >> (1 + (int)quad);
+ s += "__builtin_shufflevector(__a, __a";
+ for (unsigned i = WordElts; i <= nElts; i += WordElts)
+ for (unsigned j = 0; j != WordElts; ++j)
+ s += ", " + utostr(i - j - 1);
+ s += ");";
+ break;
+ }
+ case OpRev64: {
+ unsigned DblWordElts = nElts >> (int)quad;
+ s += "__builtin_shufflevector(__a, __a";
+ for (unsigned i = DblWordElts; i <= nElts; i += DblWordElts)
+ for (unsigned j = 0; j != DblWordElts; ++j)
+ s += ", " + utostr(i - j - 1);
+ s += ");";
+ break;
+ }
+ case OpAbdl: {
+ std::string abd = MangleName("vabd", typestr, ClassS) + "(__a, __b)";
+ if (typestr[0] != 'U') {
+ // vabd results are always unsigned and must be zero-extended.
+ std::string utype = "U" + typestr.str();
+ s += "(" + TypeString(proto[0], typestr) + ")";
+ abd = "(" + TypeString('d', utype) + ")" + abd;
+ s += Extend(utype, abd) + ";";
+ } else {
+ s += Extend(typestr, abd) + ";";
+ }
+ break;
+ }
+ case OpAba:
+ s += "__a + " + MangleName("vabd", typestr, ClassS) + "(__b, __c);";
+ break;
+ case OpAbal: {
+ s += "__a + ";
+ std::string abd = MangleName("vabd", typestr, ClassS) + "(__b, __c)";
+ if (typestr[0] != 'U') {
+ // vabd results are always unsigned and must be zero-extended.
+ std::string utype = "U" + typestr.str();
+ s += "(" + TypeString(proto[0], typestr) + ")";
+ abd = "(" + TypeString('d', utype) + ")" + abd;
+ s += Extend(utype, abd) + ";";
+ } else {
+ s += Extend(typestr, abd) + ";";
+ }
+ break;
+ }
+ default:
+ throw "unknown OpKind!";
+ break;
+ }
+ return s;
+}
+
+static unsigned GetNeonEnum(const std::string &proto, StringRef typestr) {
+ unsigned mod = proto[0];
+ unsigned ret = 0;
+
+ if (mod == 'v' || mod == 'f')
+ mod = proto[1];
+
+ bool quad = false;
+ bool poly = false;
+ bool usgn = false;
+ bool scal = false;
+ bool cnst = false;
+ bool pntr = false;
+
+ // Base type to get the type string for.
+ char type = ClassifyType(typestr, quad, poly, usgn);
+
+ // Based on the modifying character, change the type and width if necessary.
+ type = ModType(mod, type, quad, poly, usgn, scal, cnst, pntr);
+
+ if (usgn)
+ ret |= 0x08;
+ if (quad && proto[1] != 'g')
+ ret |= 0x10;
+
+ switch (type) {
+ case 'c':
+ ret |= poly ? 5 : 0;
+ break;
+ case 's':
+ ret |= poly ? 6 : 1;
+ break;
+ case 'i':
+ ret |= 2;
+ break;
+ case 'l':
+ ret |= 3;
+ break;
+ case 'h':
+ ret |= 7;
+ break;
+ case 'f':
+ ret |= 4;
+ break;
+ default:
+ throw "unhandled type!";
+ break;
+ }
+ return ret;
+}
+
+// Generate the definition for this intrinsic, e.g. __builtin_neon_cls(a)
+static std::string GenBuiltin(const std::string &name, const std::string &proto,
+ StringRef typestr, ClassKind ck) {
+ std::string s;
+
+ // If this builtin returns a struct 2, 3, or 4 vectors, pass it as an implicit
+ // sret-like argument.
+ bool sret = (proto[0] >= '2' && proto[0] <= '4');
+
+ bool define = UseMacro(proto);
+
+ // Check if the prototype has a scalar operand with the type of the vector
+ // elements. If not, bitcasting the args will take care of arg checking.
+ // The actual signedness etc. will be taken care of with special enums.
+ if (proto.find('s') == std::string::npos)
+ ck = ClassB;
+
+ if (proto[0] != 'v') {
+ std::string ts = TypeString(proto[0], typestr);
+
+ if (define) {
+ if (sret)
+ s += ts + " r; ";
+ else
+ s += "(" + ts + ")";
+ } else if (sret) {
+ s += ts + " r; ";
+ } else {
+ s += "return (" + ts + ")";
+ }
+ }
+
+ bool splat = proto.find('a') != std::string::npos;
+
+ s += "__builtin_neon_";
+ if (splat) {
+ // Call the non-splat builtin: chop off the "_n" suffix from the name.
+ std::string vname(name, 0, name.size()-2);
+ s += MangleName(vname, typestr, ck);
+ } else {
+ s += MangleName(name, typestr, ck);
+ }
+ s += "(";
+
+ // Pass the address of the return variable as the first argument to sret-like
+ // builtins.
+ if (sret)
+ s += "&r, ";
+
+ char arg = 'a';
+ for (unsigned i = 1, e = proto.size(); i != e; ++i, ++arg) {
+ std::string args = std::string(&arg, 1);
+
+ // Use the local temporaries instead of the macro arguments.
+ args = "__" + args;
+
+ bool argQuad = false;
+ bool argPoly = false;
+ bool argUsgn = false;
+ bool argScalar = false;
+ bool dummy = false;
+ char argType = ClassifyType(typestr, argQuad, argPoly, argUsgn);
+ argType = ModType(proto[i], argType, argQuad, argPoly, argUsgn, argScalar,
+ dummy, dummy);
+
+ // Handle multiple-vector values specially, emitting each subvector as an
+ // argument to the __builtin.
+ if (proto[i] >= '2' && proto[i] <= '4') {
+ // Check if an explicit cast is needed.
+ if (argType != 'c' || argPoly || argUsgn)
+ args = (argQuad ? "(int8x16_t)" : "(int8x8_t)") + args;
+
+ for (unsigned vi = 0, ve = proto[i] - '0'; vi != ve; ++vi) {
+ s += args + ".val[" + utostr(vi) + "]";
+ if ((vi + 1) < ve)
+ s += ", ";
+ }
+ if ((i + 1) < e)
+ s += ", ";
+
+ continue;
+ }
+
+ if (splat && (i + 1) == e)
+ args = Duplicate(GetNumElements(typestr, argQuad), typestr, args);
+
+ // Check if an explicit cast is needed.
+ if ((splat || !argScalar) &&
+ ((ck == ClassB && argType != 'c') || argPoly || argUsgn)) {
+ std::string argTypeStr = "c";
+ if (ck != ClassB)
+ argTypeStr = argType;
+ if (argQuad)
+ argTypeStr = "Q" + argTypeStr;
+ args = "(" + TypeString('d', argTypeStr) + ")" + args;
+ }
+
+ s += args;
+ if ((i + 1) < e)
+ s += ", ";
+ }
+
+ // Extra constant integer to hold type class enum for this function, e.g. s8
+ if (ck == ClassB)
+ s += ", " + utostr(GetNeonEnum(proto, typestr));
+
+ s += ");";
+
+ if (proto[0] != 'v' && sret) {
+ if (define)
+ s += " r;";
+ else
+ s += " return r;";
+ }
+ return s;
+}
+
+static std::string GenBuiltinDef(const std::string &name,
+ const std::string &proto,
+ StringRef typestr, ClassKind ck) {
+ std::string s("BUILTIN(__builtin_neon_");
+
+ // If all types are the same size, bitcasting the args will take care
+ // of arg checking. The actual signedness etc. will be taken care of with
+ // special enums.
+ if (proto.find('s') == std::string::npos)
+ ck = ClassB;
+
+ s += MangleName(name, typestr, ck);
+ s += ", \"";
+
+ for (unsigned i = 0, e = proto.size(); i != e; ++i)
+ s += BuiltinTypeString(proto[i], typestr, ck, i == 0);
+
+ // Extra constant integer to hold type class enum for this function, e.g. s8
+ if (ck == ClassB)
+ s += "i";
+
+ s += "\", \"n\")";
+ return s;
+}
+
+static std::string GenIntrinsic(const std::string &name,
+ const std::string &proto,
+ StringRef outTypeStr, StringRef inTypeStr,
+ OpKind kind, ClassKind classKind) {
+ assert(!proto.empty() && "");
+ bool define = UseMacro(proto);
+ std::string s;
+
+ // static always inline + return type
+ if (define)
+ s += "#define ";
+ else
+ s += "__ai " + TypeString(proto[0], outTypeStr) + " ";
+
+ // Function name with type suffix
+ std::string mangledName = MangleName(name, outTypeStr, ClassS);
+ if (outTypeStr != inTypeStr) {
+ // If the input type is different (e.g., for vreinterpret), append a suffix
+ // for the input type. String off a "Q" (quad) prefix so that MangleName
+ // does not insert another "q" in the name.
+ unsigned typeStrOff = (inTypeStr[0] == 'Q' ? 1 : 0);
+ StringRef inTypeNoQuad = inTypeStr.substr(typeStrOff);
+ mangledName = MangleName(mangledName, inTypeNoQuad, ClassS);
+ }
+ s += mangledName;
+
+ // Function arguments
+ s += GenArgs(proto, inTypeStr);
+
+ // Definition.
+ if (define) {
+ s += " __extension__ ({ \\\n ";
+ s += GenMacroLocals(proto, inTypeStr);
+ } else {
+ s += " { \\\n ";
+ }
+
+ if (kind != OpNone)
+ s += GenOpString(kind, proto, outTypeStr);
+ else
+ s += GenBuiltin(name, proto, outTypeStr, classKind);
+ if (define)
+ s += " })";
+ else
+ s += " }";
+ s += "\n";
+ return s;
+}
+
+/// run - Read the records in arm_neon.td and output arm_neon.h. arm_neon.h
+/// is comprised of type definitions and function declarations.
+void NeonEmitter::run(raw_ostream &OS) {
+ OS <<
+ "/*===---- arm_neon.h - ARM Neon intrinsics ------------------------------"
+ "---===\n"
+ " *\n"
+ " * Permission is hereby granted, free of charge, to any person obtaining "
+ "a copy\n"
+ " * of this software and associated documentation files (the \"Software\"),"
+ " to deal\n"
+ " * in the Software without restriction, including without limitation the "
+ "rights\n"
+ " * to use, copy, modify, merge, publish, distribute, sublicense, "
+ "and/or sell\n"
+ " * copies of the Software, and to permit persons to whom the Software is\n"
+ " * furnished to do so, subject to the following conditions:\n"
+ " *\n"
+ " * The above copyright notice and this permission notice shall be "
+ "included in\n"
+ " * all copies or substantial portions of the Software.\n"
+ " *\n"
+ " * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, "
+ "EXPRESS OR\n"
+ " * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF "
+ "MERCHANTABILITY,\n"
+ " * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT "
+ "SHALL THE\n"
+ " * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR "
+ "OTHER\n"
+ " * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, "
+ "ARISING FROM,\n"
+ " * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER "
+ "DEALINGS IN\n"
+ " * THE SOFTWARE.\n"
+ " *\n"
+ " *===--------------------------------------------------------------------"
+ "---===\n"
+ " */\n\n";
+
+ OS << "#ifndef __ARM_NEON_H\n";
+ OS << "#define __ARM_NEON_H\n\n";
+
+ OS << "#ifndef __ARM_NEON__\n";
+ OS << "#error \"NEON support not enabled\"\n";
+ OS << "#endif\n\n";
+
+ OS << "#include <stdint.h>\n\n";
+
+ // Emit NEON-specific scalar typedefs.
+ OS << "typedef float float32_t;\n";
+ OS << "typedef int8_t poly8_t;\n";
+ OS << "typedef int16_t poly16_t;\n";
+ OS << "typedef uint16_t float16_t;\n";
+
+ // Emit Neon vector typedefs.
+ std::string TypedefTypes("cQcsQsiQilQlUcQUcUsQUsUiQUiUlQUlhQhfQfPcQPcPsQPs");
+ SmallVector<StringRef, 24> TDTypeVec;
+ ParseTypes(0, TypedefTypes, TDTypeVec);
+
+ // Emit vector typedefs.
+ for (unsigned i = 0, e = TDTypeVec.size(); i != e; ++i) {
+ bool dummy, quad = false, poly = false;
+ (void) ClassifyType(TDTypeVec[i], quad, poly, dummy);
+ if (poly)
+ OS << "typedef __attribute__((neon_polyvector_type(";
+ else
+ OS << "typedef __attribute__((neon_vector_type(";
+
+ unsigned nElts = GetNumElements(TDTypeVec[i], quad);
+ OS << utostr(nElts) << "))) ";
+ if (nElts < 10)
+ OS << " ";
+
+ OS << TypeString('s', TDTypeVec[i]);
+ OS << " " << TypeString('d', TDTypeVec[i]) << ";\n";
+ }
+ OS << "\n";
+
+ // Emit struct typedefs.
+ for (unsigned vi = 2; vi != 5; ++vi) {
+ for (unsigned i = 0, e = TDTypeVec.size(); i != e; ++i) {
+ std::string ts = TypeString('d', TDTypeVec[i]);
+ std::string vs = TypeString('0' + vi, TDTypeVec[i]);
+ OS << "typedef struct " << vs << " {\n";
+ OS << " " << ts << " val";
+ OS << "[" << utostr(vi) << "]";
+ OS << ";\n} ";
+ OS << vs << ";\n\n";
+ }
+ }
+
+ OS << "#define __ai static __attribute__((__always_inline__))\n\n";
+
+ std::vector<Record*> RV = Records.getAllDerivedDefinitions("Inst");
+
+ // Emit vmovl, vmull and vabd intrinsics first so they can be used by other
+ // intrinsics. (Some of the saturating multiply instructions are also
+ // used to implement the corresponding "_lane" variants, but tablegen
+ // sorts the records into alphabetical order so that the "_lane" variants
+ // come after the intrinsics they use.)
+ emitIntrinsic(OS, Records.getDef("VMOVL"));
+ emitIntrinsic(OS, Records.getDef("VMULL"));
+ emitIntrinsic(OS, Records.getDef("VABD"));
+
+ for (unsigned i = 0, e = RV.size(); i != e; ++i) {
+ Record *R = RV[i];
+ if (R->getName() != "VMOVL" &&
+ R->getName() != "VMULL" &&
+ R->getName() != "VABD")
+ emitIntrinsic(OS, R);
+ }
+
+ OS << "#undef __ai\n\n";
+ OS << "#endif /* __ARM_NEON_H */\n";
+}
+
+/// emitIntrinsic - Write out the arm_neon.h header file definitions for the
+/// intrinsics specified by record R.
+void NeonEmitter::emitIntrinsic(raw_ostream &OS, Record *R) {
+ std::string name = R->getValueAsString("Name");
+ std::string Proto = R->getValueAsString("Prototype");
+ std::string Types = R->getValueAsString("Types");
+
+ SmallVector<StringRef, 16> TypeVec;
+ ParseTypes(R, Types, TypeVec);
+
+ OpKind kind = OpMap[R->getValueAsDef("Operand")->getName()];
+
+ ClassKind classKind = ClassNone;
+ if (R->getSuperClasses().size() >= 2)
+ classKind = ClassMap[R->getSuperClasses()[1]];
+ if (classKind == ClassNone && kind == OpNone)
+ throw TGError(R->getLoc(), "Builtin has no class kind");
+
+ for (unsigned ti = 0, te = TypeVec.size(); ti != te; ++ti) {
+ if (kind == OpReinterpret) {
+ bool outQuad = false;
+ bool dummy = false;
+ (void)ClassifyType(TypeVec[ti], outQuad, dummy, dummy);
+ for (unsigned srcti = 0, srcte = TypeVec.size();
+ srcti != srcte; ++srcti) {
+ bool inQuad = false;
+ (void)ClassifyType(TypeVec[srcti], inQuad, dummy, dummy);
+ if (srcti == ti || inQuad != outQuad)
+ continue;
+ OS << GenIntrinsic(name, Proto, TypeVec[ti], TypeVec[srcti],
+ OpCast, ClassS);
+ }
+ } else {
+ OS << GenIntrinsic(name, Proto, TypeVec[ti], TypeVec[ti],
+ kind, classKind);
+ }
+ }
+ OS << "\n";
+}
+
+static unsigned RangeFromType(const char mod, StringRef typestr) {
+ // base type to get the type string for.
+ bool quad = false, dummy = false;
+ char type = ClassifyType(typestr, quad, dummy, dummy);
+ type = ModType(mod, type, quad, dummy, dummy, dummy, dummy, dummy);
+
+ switch (type) {
+ case 'c':
+ return (8 << (int)quad) - 1;
+ case 'h':
+ case 's':
+ return (4 << (int)quad) - 1;
+ case 'f':
+ case 'i':
+ return (2 << (int)quad) - 1;
+ case 'l':
+ return (1 << (int)quad) - 1;
+ default:
+ throw "unhandled type!";
+ break;
+ }
+ assert(0 && "unreachable");
+ return 0;
+}
+
+/// runHeader - Emit a file with sections defining:
+/// 1. the NEON section of BuiltinsARM.def.
+/// 2. the SemaChecking code for the type overload checking.
+/// 3. the SemaChecking code for validation of intrinsic immedate arguments.
+void NeonEmitter::runHeader(raw_ostream &OS) {
+ std::vector<Record*> RV = Records.getAllDerivedDefinitions("Inst");
+
+ StringMap<OpKind> EmittedMap;
+
+ // Generate BuiltinsARM.def for NEON
+ OS << "#ifdef GET_NEON_BUILTINS\n";
+ for (unsigned i = 0, e = RV.size(); i != e; ++i) {
+ Record *R = RV[i];
+ OpKind k = OpMap[R->getValueAsDef("Operand")->getName()];
+ if (k != OpNone)
+ continue;
+
+ std::string Proto = R->getValueAsString("Prototype");
+
+ // Functions with 'a' (the splat code) in the type prototype should not get
+ // their own builtin as they use the non-splat variant.
+ if (Proto.find('a') != std::string::npos)
+ continue;
+
+ std::string Types = R->getValueAsString("Types");
+ SmallVector<StringRef, 16> TypeVec;
+ ParseTypes(R, Types, TypeVec);
+
+ if (R->getSuperClasses().size() < 2)
+ throw TGError(R->getLoc(), "Builtin has no class kind");
+
+ std::string name = R->getValueAsString("Name");
+ ClassKind ck = ClassMap[R->getSuperClasses()[1]];
+
+ for (unsigned ti = 0, te = TypeVec.size(); ti != te; ++ti) {
+ // Generate the BuiltinsARM.def declaration for this builtin, ensuring
+ // that each unique BUILTIN() macro appears only once in the output
+ // stream.
+ std::string bd = GenBuiltinDef(name, Proto, TypeVec[ti], ck);
+ if (EmittedMap.count(bd))
+ continue;
+
+ EmittedMap[bd] = OpNone;
+ OS << bd << "\n";
+ }
+ }
+ OS << "#endif\n\n";
+
+ // Generate the overloaded type checking code for SemaChecking.cpp
+ OS << "#ifdef GET_NEON_OVERLOAD_CHECK\n";
+ for (unsigned i = 0, e = RV.size(); i != e; ++i) {
+ Record *R = RV[i];
+ OpKind k = OpMap[R->getValueAsDef("Operand")->getName()];
+ if (k != OpNone)
+ continue;
+
+ std::string Proto = R->getValueAsString("Prototype");
+ std::string Types = R->getValueAsString("Types");
+ std::string name = R->getValueAsString("Name");
+
+ // Functions with 'a' (the splat code) in the type prototype should not get
+ // their own builtin as they use the non-splat variant.
+ if (Proto.find('a') != std::string::npos)
+ continue;
+
+ // Functions which have a scalar argument cannot be overloaded, no need to
+ // check them if we are emitting the type checking code.
+ if (Proto.find('s') != std::string::npos)
+ continue;
+
+ SmallVector<StringRef, 16> TypeVec;
+ ParseTypes(R, Types, TypeVec);
+
+ if (R->getSuperClasses().size() < 2)
+ throw TGError(R->getLoc(), "Builtin has no class kind");
+
+ int si = -1, qi = -1;
+ unsigned mask = 0, qmask = 0;
+ for (unsigned ti = 0, te = TypeVec.size(); ti != te; ++ti) {
+ // Generate the switch case(s) for this builtin for the type validation.
+ bool quad = false, poly = false, usgn = false;
+ (void) ClassifyType(TypeVec[ti], quad, poly, usgn);
+
+ if (quad) {
+ qi = ti;
+ qmask |= 1 << GetNeonEnum(Proto, TypeVec[ti]);
+ } else {
+ si = ti;
+ mask |= 1 << GetNeonEnum(Proto, TypeVec[ti]);
+ }
+ }
+ if (mask)
+ OS << "case ARM::BI__builtin_neon_"
+ << MangleName(name, TypeVec[si], ClassB)
+ << ": mask = " << "0x" << utohexstr(mask) << "; break;\n";
+ if (qmask)
+ OS << "case ARM::BI__builtin_neon_"
+ << MangleName(name, TypeVec[qi], ClassB)
+ << ": mask = " << "0x" << utohexstr(qmask) << "; break;\n";
+ }
+ OS << "#endif\n\n";
+
+ // Generate the intrinsic range checking code for shift/lane immediates.
+ OS << "#ifdef GET_NEON_IMMEDIATE_CHECK\n";
+ for (unsigned i = 0, e = RV.size(); i != e; ++i) {
+ Record *R = RV[i];
+
+ OpKind k = OpMap[R->getValueAsDef("Operand")->getName()];
+ if (k != OpNone)
+ continue;
+
+ std::string name = R->getValueAsString("Name");
+ std::string Proto = R->getValueAsString("Prototype");
+ std::string Types = R->getValueAsString("Types");
+
+ // Functions with 'a' (the splat code) in the type prototype should not get
+ // their own builtin as they use the non-splat variant.
+ if (Proto.find('a') != std::string::npos)
+ continue;
+
+ // Functions which do not have an immediate do not need to have range
+ // checking code emitted.
+ size_t immPos = Proto.find('i');
+ if (immPos == std::string::npos)
+ continue;
+
+ SmallVector<StringRef, 16> TypeVec;
+ ParseTypes(R, Types, TypeVec);
+
+ if (R->getSuperClasses().size() < 2)
+ throw TGError(R->getLoc(), "Builtin has no class kind");
+
+ ClassKind ck = ClassMap[R->getSuperClasses()[1]];
+
+ for (unsigned ti = 0, te = TypeVec.size(); ti != te; ++ti) {
+ std::string namestr, shiftstr, rangestr;
+
+ if (R->getValueAsBit("isVCVT_N")) {
+ // VCVT between floating- and fixed-point values takes an immediate
+ // in the range 1 to 32.
+ ck = ClassB;
+ rangestr = "l = 1; u = 31"; // upper bound = l + u
+ } else if (Proto.find('s') == std::string::npos) {
+ // Builtins which are overloaded by type will need to have their upper
+ // bound computed at Sema time based on the type constant.
+ ck = ClassB;
+ if (R->getValueAsBit("isShift")) {
+ shiftstr = ", true";
+
+ // Right shifts have an 'r' in the name, left shifts do not.
+ if (name.find('r') != std::string::npos)
+ rangestr = "l = 1; ";
+ }
+ rangestr += "u = RFT(TV" + shiftstr + ")";
+ } else {
+ // The immediate generally refers to a lane in the preceding argument.
+ assert(immPos > 0 && "unexpected immediate operand");
+ rangestr = "u = " + utostr(RangeFromType(Proto[immPos-1], TypeVec[ti]));
+ }
+ // Make sure cases appear only once by uniquing them in a string map.
+ namestr = MangleName(name, TypeVec[ti], ck);
+ if (EmittedMap.count(namestr))
+ continue;
+ EmittedMap[namestr] = OpNone;
+
+ // Calculate the index of the immediate that should be range checked.
+ unsigned immidx = 0;
+
+ // Builtins that return a struct of multiple vectors have an extra
+ // leading arg for the struct return.
+ if (Proto[0] >= '2' && Proto[0] <= '4')
+ ++immidx;
+
+ // Add one to the index for each argument until we reach the immediate
+ // to be checked. Structs of vectors are passed as multiple arguments.
+ for (unsigned ii = 1, ie = Proto.size(); ii != ie; ++ii) {
+ switch (Proto[ii]) {
+ default: immidx += 1; break;
+ case '2': immidx += 2; break;
+ case '3': immidx += 3; break;
+ case '4': immidx += 4; break;
+ case 'i': ie = ii + 1; break;
+ }
+ }
+ OS << "case ARM::BI__builtin_neon_" << MangleName(name, TypeVec[ti], ck)
+ << ": i = " << immidx << "; " << rangestr << "; break;\n";
+ }
+ }
+ OS << "#endif\n\n";
+}
+
+/// GenTest - Write out a test for the intrinsic specified by the name and
+/// type strings, including the embedded patterns for FileCheck to match.
+static std::string GenTest(const std::string &name,
+ const std::string &proto,
+ StringRef outTypeStr, StringRef inTypeStr,
+ bool isShift) {
+ assert(!proto.empty() && "");
+ std::string s;
+
+ // Function name with type suffix
+ std::string mangledName = MangleName(name, outTypeStr, ClassS);
+ if (outTypeStr != inTypeStr) {
+ // If the input type is different (e.g., for vreinterpret), append a suffix
+ // for the input type. String off a "Q" (quad) prefix so that MangleName
+ // does not insert another "q" in the name.
+ unsigned typeStrOff = (inTypeStr[0] == 'Q' ? 1 : 0);
+ StringRef inTypeNoQuad = inTypeStr.substr(typeStrOff);
+ mangledName = MangleName(mangledName, inTypeNoQuad, ClassS);
+ }
+
+ // Emit the FileCheck patterns.
+ s += "// CHECK: test_" + mangledName + "\n";
+ // s += "// CHECK: \n"; // FIXME: + expected instruction opcode.
+
+ // Emit the start of the test function.
+ s += TypeString(proto[0], outTypeStr) + " test_" + mangledName + "(";
+ char arg = 'a';
+ std::string comma;
+ for (unsigned i = 1, e = proto.size(); i != e; ++i, ++arg) {
+ // Do not create arguments for values that must be immediate constants.
+ if (proto[i] == 'i')
+ continue;
+ s += comma + TypeString(proto[i], inTypeStr) + " ";
+ s.push_back(arg);
+ comma = ", ";
+ }
+ s += ") { \\\n ";
+
+ if (proto[0] != 'v')
+ s += "return ";
+ s += mangledName + "(";
+ arg = 'a';
+ for (unsigned i = 1, e = proto.size(); i != e; ++i, ++arg) {
+ if (proto[i] == 'i') {
+ // For immediate operands, test the maximum value.
+ if (isShift)
+ s += "1"; // FIXME
+ else
+ // The immediate generally refers to a lane in the preceding argument.
+ s += utostr(RangeFromType(proto[i-1], inTypeStr));
+ } else {
+ s.push_back(arg);
+ }
+ if ((i + 1) < e)
+ s += ", ";
+ }
+ s += ");\n}\n\n";
+ return s;
+}
+
+/// runTests - Write out a complete set of tests for all of the Neon
+/// intrinsics.
+void NeonEmitter::runTests(raw_ostream &OS) {
+ OS <<
+ "// RUN: %clang_cc1 -triple thumbv7-apple-darwin \\\n"
+ "// RUN: -target-cpu cortex-a9 -ffreestanding -S -o - %s | FileCheck %s\n"
+ "\n"
+ "#include <arm_neon.h>\n"
+ "\n";
+
+ std::vector<Record*> RV = Records.getAllDerivedDefinitions("Inst");
+ for (unsigned i = 0, e = RV.size(); i != e; ++i) {
+ Record *R = RV[i];
+ std::string name = R->getValueAsString("Name");
+ std::string Proto = R->getValueAsString("Prototype");
+ std::string Types = R->getValueAsString("Types");
+ bool isShift = R->getValueAsBit("isShift");
+
+ SmallVector<StringRef, 16> TypeVec;
+ ParseTypes(R, Types, TypeVec);
+
+ OpKind kind = OpMap[R->getValueAsDef("Operand")->getName()];
+ for (unsigned ti = 0, te = TypeVec.size(); ti != te; ++ti) {
+ if (kind == OpReinterpret) {
+ bool outQuad = false;
+ bool dummy = false;
+ (void)ClassifyType(TypeVec[ti], outQuad, dummy, dummy);
+ for (unsigned srcti = 0, srcte = TypeVec.size();
+ srcti != srcte; ++srcti) {
+ bool inQuad = false;
+ (void)ClassifyType(TypeVec[srcti], inQuad, dummy, dummy);
+ if (srcti == ti || inQuad != outQuad)
+ continue;
+ OS << GenTest(name, Proto, TypeVec[ti], TypeVec[srcti], isShift);
+ }
+ } else {
+ OS << GenTest(name, Proto, TypeVec[ti], TypeVec[ti], isShift);
+ }
+ }
+ OS << "\n";
+ }
+}
+
Added: cfe/trunk/utils/TableGen/NeonEmitter.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/NeonEmitter.h?rev=141291&view=auto
==============================================================================
--- cfe/trunk/utils/TableGen/NeonEmitter.h (added)
+++ cfe/trunk/utils/TableGen/NeonEmitter.h Thu Oct 6 08:03:08 2011
@@ -0,0 +1,176 @@
+//===- NeonEmitter.h - Generate arm_neon.h for use with clang ---*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This tablegen backend is responsible for emitting arm_neon.h, which includes
+// a declaration and definition of each function specified by the ARM NEON
+// compiler interface. See ARM document DUI0348B.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef NEON_EMITTER_H
+#define NEON_EMITTER_H
+
+#include "llvm/TableGen/Record.h"
+#include "llvm/TableGen/TableGenBackend.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/StringMap.h"
+
+enum OpKind {
+ OpNone,
+ OpAdd,
+ OpAddl,
+ OpAddw,
+ OpSub,
+ OpSubl,
+ OpSubw,
+ OpMul,
+ OpMla,
+ OpMlal,
+ OpMls,
+ OpMlsl,
+ OpMulN,
+ OpMlaN,
+ OpMlsN,
+ OpMlalN,
+ OpMlslN,
+ OpMulLane,
+ OpMullLane,
+ OpMlaLane,
+ OpMlsLane,
+ OpMlalLane,
+ OpMlslLane,
+ OpQDMullLane,
+ OpQDMlalLane,
+ OpQDMlslLane,
+ OpQDMulhLane,
+ OpQRDMulhLane,
+ OpEq,
+ OpGe,
+ OpLe,
+ OpGt,
+ OpLt,
+ OpNeg,
+ OpNot,
+ OpAnd,
+ OpOr,
+ OpXor,
+ OpAndNot,
+ OpOrNot,
+ OpCast,
+ OpConcat,
+ OpDup,
+ OpDupLane,
+ OpHi,
+ OpLo,
+ OpSelect,
+ OpRev16,
+ OpRev32,
+ OpRev64,
+ OpReinterpret,
+ OpAbdl,
+ OpAba,
+ OpAbal
+};
+
+enum ClassKind {
+ ClassNone,
+ ClassI, // generic integer instruction, e.g., "i8" suffix
+ ClassS, // signed/unsigned/poly, e.g., "s8", "u8" or "p8" suffix
+ ClassW, // width-specific instruction, e.g., "8" suffix
+ ClassB // bitcast arguments with enum argument to specify type
+};
+
+namespace llvm {
+
+ class NeonEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+ StringMap<OpKind> OpMap;
+ DenseMap<Record*, ClassKind> ClassMap;
+
+ public:
+ NeonEmitter(RecordKeeper &R) : Records(R) {
+ OpMap["OP_NONE"] = OpNone;
+ OpMap["OP_ADD"] = OpAdd;
+ OpMap["OP_ADDL"] = OpAddl;
+ OpMap["OP_ADDW"] = OpAddw;
+ OpMap["OP_SUB"] = OpSub;
+ OpMap["OP_SUBL"] = OpSubl;
+ OpMap["OP_SUBW"] = OpSubw;
+ OpMap["OP_MUL"] = OpMul;
+ OpMap["OP_MLA"] = OpMla;
+ OpMap["OP_MLAL"] = OpMlal;
+ OpMap["OP_MLS"] = OpMls;
+ OpMap["OP_MLSL"] = OpMlsl;
+ OpMap["OP_MUL_N"] = OpMulN;
+ OpMap["OP_MLA_N"] = OpMlaN;
+ OpMap["OP_MLS_N"] = OpMlsN;
+ OpMap["OP_MLAL_N"] = OpMlalN;
+ OpMap["OP_MLSL_N"] = OpMlslN;
+ OpMap["OP_MUL_LN"]= OpMulLane;
+ OpMap["OP_MULL_LN"] = OpMullLane;
+ OpMap["OP_MLA_LN"]= OpMlaLane;
+ OpMap["OP_MLS_LN"]= OpMlsLane;
+ OpMap["OP_MLAL_LN"] = OpMlalLane;
+ OpMap["OP_MLSL_LN"] = OpMlslLane;
+ OpMap["OP_QDMULL_LN"] = OpQDMullLane;
+ OpMap["OP_QDMLAL_LN"] = OpQDMlalLane;
+ OpMap["OP_QDMLSL_LN"] = OpQDMlslLane;
+ OpMap["OP_QDMULH_LN"] = OpQDMulhLane;
+ OpMap["OP_QRDMULH_LN"] = OpQRDMulhLane;
+ OpMap["OP_EQ"] = OpEq;
+ OpMap["OP_GE"] = OpGe;
+ OpMap["OP_LE"] = OpLe;
+ OpMap["OP_GT"] = OpGt;
+ OpMap["OP_LT"] = OpLt;
+ OpMap["OP_NEG"] = OpNeg;
+ OpMap["OP_NOT"] = OpNot;
+ OpMap["OP_AND"] = OpAnd;
+ OpMap["OP_OR"] = OpOr;
+ OpMap["OP_XOR"] = OpXor;
+ OpMap["OP_ANDN"] = OpAndNot;
+ OpMap["OP_ORN"] = OpOrNot;
+ OpMap["OP_CAST"] = OpCast;
+ OpMap["OP_CONC"] = OpConcat;
+ OpMap["OP_HI"] = OpHi;
+ OpMap["OP_LO"] = OpLo;
+ OpMap["OP_DUP"] = OpDup;
+ OpMap["OP_DUP_LN"] = OpDupLane;
+ OpMap["OP_SEL"] = OpSelect;
+ OpMap["OP_REV16"] = OpRev16;
+ OpMap["OP_REV32"] = OpRev32;
+ OpMap["OP_REV64"] = OpRev64;
+ OpMap["OP_REINT"] = OpReinterpret;
+ OpMap["OP_ABDL"] = OpAbdl;
+ OpMap["OP_ABA"] = OpAba;
+ OpMap["OP_ABAL"] = OpAbal;
+
+ Record *SI = R.getClass("SInst");
+ Record *II = R.getClass("IInst");
+ Record *WI = R.getClass("WInst");
+ ClassMap[SI] = ClassS;
+ ClassMap[II] = ClassI;
+ ClassMap[WI] = ClassW;
+ }
+
+ // run - Emit arm_neon.h.inc
+ void run(raw_ostream &o);
+
+ // runHeader - Emit all the __builtin prototypes used in arm_neon.h
+ void runHeader(raw_ostream &o);
+
+ // runTests - Emit tests for all the Neon intrinsics.
+ void runTests(raw_ostream &o);
+
+ private:
+ void emitIntrinsic(raw_ostream &OS, Record *R);
+ };
+
+} // End llvm namespace
+
+#endif
Added: cfe/trunk/utils/TableGen/OptParserEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/OptParserEmitter.cpp?rev=141291&view=auto
==============================================================================
--- cfe/trunk/utils/TableGen/OptParserEmitter.cpp (added)
+++ cfe/trunk/utils/TableGen/OptParserEmitter.cpp Thu Oct 6 08:03:08 2011
@@ -0,0 +1,194 @@
+//===- OptParserEmitter.cpp - Table Driven Command Line Parsing -----------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "OptParserEmitter.h"
+#include "llvm/TableGen/Record.h"
+#include "llvm/ADT/STLExtras.h"
+using namespace llvm;
+
+static int StrCmpOptionName(const char *A, const char *B) {
+ char a = *A, b = *B;
+ while (a == b) {
+ if (a == '\0')
+ return 0;
+
+ a = *++A;
+ b = *++B;
+ }
+
+ if (a == '\0') // A is a prefix of B.
+ return 1;
+ if (b == '\0') // B is a prefix of A.
+ return -1;
+
+ // Otherwise lexicographic.
+ return (a < b) ? -1 : 1;
+}
+
+static int CompareOptionRecords(const void *Av, const void *Bv) {
+ const Record *A = *(Record**) Av;
+ const Record *B = *(Record**) Bv;
+
+ // Sentinel options precede all others and are only ordered by precedence.
+ bool ASent = A->getValueAsDef("Kind")->getValueAsBit("Sentinel");
+ bool BSent = B->getValueAsDef("Kind")->getValueAsBit("Sentinel");
+ if (ASent != BSent)
+ return ASent ? -1 : 1;
+
+ // Compare options by name, unless they are sentinels.
+ if (!ASent)
+ if (int Cmp = StrCmpOptionName(A->getValueAsString("Name").c_str(),
+ B->getValueAsString("Name").c_str()))
+ return Cmp;
+
+ // Then by the kind precedence;
+ int APrec = A->getValueAsDef("Kind")->getValueAsInt("Precedence");
+ int BPrec = B->getValueAsDef("Kind")->getValueAsInt("Precedence");
+ assert(APrec != BPrec && "Options are equivalent!");
+ return APrec < BPrec ? -1 : 1;
+}
+
+static const std::string getOptionName(const Record &R) {
+ // Use the record name unless EnumName is defined.
+ if (dynamic_cast<UnsetInit*>(R.getValueInit("EnumName")))
+ return R.getName();
+
+ return R.getValueAsString("EnumName");
+}
+
+static raw_ostream &write_cstring(raw_ostream &OS, llvm::StringRef Str) {
+ OS << '"';
+ OS.write_escaped(Str);
+ OS << '"';
+ return OS;
+}
+
+void OptParserEmitter::run(raw_ostream &OS) {
+ // Get the option groups and options.
+ const std::vector<Record*> &Groups =
+ Records.getAllDerivedDefinitions("OptionGroup");
+ std::vector<Record*> Opts = Records.getAllDerivedDefinitions("Option");
+
+ if (GenDefs)
+ EmitSourceFileHeader("Option Parsing Definitions", OS);
+ else
+ EmitSourceFileHeader("Option Parsing Table", OS);
+
+ array_pod_sort(Opts.begin(), Opts.end(), CompareOptionRecords);
+ if (GenDefs) {
+ OS << "#ifndef OPTION\n";
+ OS << "#error \"Define OPTION prior to including this file!\"\n";
+ OS << "#endif\n\n";
+
+ OS << "/////////\n";
+ OS << "// Groups\n\n";
+ for (unsigned i = 0, e = Groups.size(); i != e; ++i) {
+ const Record &R = *Groups[i];
+
+ // Start a single option entry.
+ OS << "OPTION(";
+
+ // The option string.
+ OS << '"' << R.getValueAsString("Name") << '"';
+
+ // The option identifier name.
+ OS << ", "<< getOptionName(R);
+
+ // The option kind.
+ OS << ", Group";
+
+ // The containing option group (if any).
+ OS << ", ";
+ if (const DefInit *DI = dynamic_cast<DefInit*>(R.getValueInit("Group")))
+ OS << getOptionName(*DI->getDef());
+ else
+ OS << "INVALID";
+
+ // The other option arguments (unused for groups).
+ OS << ", INVALID, 0, 0";
+
+ // The option help text.
+ if (!dynamic_cast<UnsetInit*>(R.getValueInit("HelpText"))) {
+ OS << ",\n";
+ OS << " ";
+ write_cstring(OS, R.getValueAsString("HelpText"));
+ } else
+ OS << ", 0";
+
+ // The option meta-variable name (unused).
+ OS << ", 0)\n";
+ }
+ OS << "\n";
+
+ OS << "//////////\n";
+ OS << "// Options\n\n";
+ for (unsigned i = 0, e = Opts.size(); i != e; ++i) {
+ const Record &R = *Opts[i];
+
+ // Start a single option entry.
+ OS << "OPTION(";
+
+ // The option string.
+ write_cstring(OS, R.getValueAsString("Name"));
+
+ // The option identifier name.
+ OS << ", "<< getOptionName(R);
+
+ // The option kind.
+ OS << ", " << R.getValueAsDef("Kind")->getValueAsString("Name");
+
+ // The containing option group (if any).
+ OS << ", ";
+ if (const DefInit *DI = dynamic_cast<DefInit*>(R.getValueInit("Group")))
+ OS << getOptionName(*DI->getDef());
+ else
+ OS << "INVALID";
+
+ // The option alias (if any).
+ OS << ", ";
+ if (const DefInit *DI = dynamic_cast<DefInit*>(R.getValueInit("Alias")))
+ OS << getOptionName(*DI->getDef());
+ else
+ OS << "INVALID";
+
+ // The option flags.
+ const ListInit *LI = R.getValueAsListInit("Flags");
+ if (LI->empty()) {
+ OS << ", 0";
+ } else {
+ OS << ", ";
+ for (unsigned i = 0, e = LI->size(); i != e; ++i) {
+ if (i)
+ OS << " | ";
+ OS << dynamic_cast<DefInit*>(LI->getElement(i))->getDef()->getName();
+ }
+ }
+
+ // The option parameter field.
+ OS << ", " << R.getValueAsInt("NumArgs");
+
+ // The option help text.
+ if (!dynamic_cast<UnsetInit*>(R.getValueInit("HelpText"))) {
+ OS << ",\n";
+ OS << " ";
+ write_cstring(OS, R.getValueAsString("HelpText"));
+ } else
+ OS << ", 0";
+
+ // The option meta-variable name.
+ OS << ", ";
+ if (!dynamic_cast<UnsetInit*>(R.getValueInit("MetaVarName")))
+ write_cstring(OS, R.getValueAsString("MetaVarName"));
+ else
+ OS << "0";
+
+ OS << ")\n";
+ }
+ }
+}
Added: cfe/trunk/utils/TableGen/OptParserEmitter.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/OptParserEmitter.h?rev=141291&view=auto
==============================================================================
--- cfe/trunk/utils/TableGen/OptParserEmitter.h (added)
+++ cfe/trunk/utils/TableGen/OptParserEmitter.h Thu Oct 6 08:03:08 2011
@@ -0,0 +1,34 @@
+//===- OptParserEmitter.h - Table Driven Command Line Parsing ---*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef UTILS_TABLEGEN_OPTPARSEREMITTER_H
+#define UTILS_TABLEGEN_OPTPARSEREMITTER_H
+
+#include "llvm/TableGen/TableGenBackend.h"
+
+namespace llvm {
+ /// OptParserEmitter - This tablegen backend takes an input .td file
+ /// describing a list of options and emits a data structure for parsing and
+ /// working with those options when given an input command line.
+ class OptParserEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+ bool GenDefs;
+
+ public:
+ OptParserEmitter(RecordKeeper &R, bool _GenDefs)
+ : Records(R), GenDefs(_GenDefs) {}
+
+ /// run - Output the option parsing information.
+ ///
+ /// \param GenHeader - Generate the header describing the option IDs.x
+ void run(raw_ostream &OS);
+ };
+}
+
+#endif
Added: cfe/trunk/utils/TableGen/TableGen.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/TableGen.cpp?rev=141291&view=auto
==============================================================================
--- cfe/trunk/utils/TableGen/TableGen.cpp (added)
+++ cfe/trunk/utils/TableGen/TableGen.cpp Thu Oct 6 08:03:08 2011
@@ -0,0 +1,176 @@
+//===- TableGen.cpp - Top-Level TableGen implementation for Clang ---------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the main function for Clang's TableGen.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ClangASTNodesEmitter.h"
+#include "ClangAttrEmitter.h"
+#include "ClangDiagnosticsEmitter.h"
+#include "ClangSACheckersEmitter.h"
+#include "NeonEmitter.h"
+#include "OptParserEmitter.h"
+
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/TableGen/Error.h"
+#include "llvm/TableGen/Main.h"
+#include "llvm/TableGen/Record.h"
+#include "llvm/TableGen/TableGenAction.h"
+
+using namespace llvm;
+
+enum ActionType {
+ GenClangAttrClasses,
+ GenClangAttrImpl,
+ GenClangAttrList,
+ GenClangAttrPCHRead,
+ GenClangAttrPCHWrite,
+ GenClangAttrSpellingList,
+ GenClangAttrLateParsedList,
+ GenClangDiagsDefs,
+ GenClangDiagGroups,
+ GenClangDiagsIndexName,
+ GenClangDeclNodes,
+ GenClangStmtNodes,
+ GenClangSACheckers,
+ GenOptParserDefs, GenOptParserImpl,
+ GenArmNeon,
+ GenArmNeonSema,
+ GenArmNeonTest
+};
+
+namespace {
+ cl::opt<ActionType>
+ Action(cl::desc("Action to perform:"),
+ cl::values(clEnumValN(GenOptParserDefs, "gen-opt-parser-defs",
+ "Generate option definitions"),
+ clEnumValN(GenOptParserImpl, "gen-opt-parser-impl",
+ "Generate option parser implementation"),
+ clEnumValN(GenClangAttrClasses, "gen-clang-attr-classes",
+ "Generate clang attribute clases"),
+ clEnumValN(GenClangAttrImpl, "gen-clang-attr-impl",
+ "Generate clang attribute implementations"),
+ clEnumValN(GenClangAttrList, "gen-clang-attr-list",
+ "Generate a clang attribute list"),
+ clEnumValN(GenClangAttrPCHRead, "gen-clang-attr-pch-read",
+ "Generate clang PCH attribute reader"),
+ clEnumValN(GenClangAttrPCHWrite, "gen-clang-attr-pch-write",
+ "Generate clang PCH attribute writer"),
+ clEnumValN(GenClangAttrSpellingList,
+ "gen-clang-attr-spelling-list",
+ "Generate a clang attribute spelling list"),
+ clEnumValN(GenClangAttrLateParsedList,
+ "gen-clang-attr-late-parsed-list",
+ "Generate a clang attribute LateParsed list"),
+ clEnumValN(GenClangDiagsDefs, "gen-clang-diags-defs",
+ "Generate Clang diagnostics definitions"),
+ clEnumValN(GenClangDiagGroups, "gen-clang-diag-groups",
+ "Generate Clang diagnostic groups"),
+ clEnumValN(GenClangDiagsIndexName,
+ "gen-clang-diags-index-name",
+ "Generate Clang diagnostic name index"),
+ clEnumValN(GenClangDeclNodes, "gen-clang-decl-nodes",
+ "Generate Clang AST declaration nodes"),
+ clEnumValN(GenClangStmtNodes, "gen-clang-stmt-nodes",
+ "Generate Clang AST statement nodes"),
+ clEnumValN(GenClangSACheckers, "gen-clang-sa-checkers",
+ "Generate Clang Static Analyzer checkers"),
+ clEnumValN(GenArmNeon, "gen-arm-neon",
+ "Generate arm_neon.h for clang"),
+ clEnumValN(GenArmNeonSema, "gen-arm-neon-sema",
+ "Generate ARM NEON sema support for clang"),
+ clEnumValN(GenArmNeonTest, "gen-arm-neon-test",
+ "Generate ARM NEON tests for clang"),
+ clEnumValEnd));
+
+ cl::opt<std::string>
+ ClangComponent("clang-component",
+ cl::desc("Only use warnings from specified component"),
+ cl::value_desc("component"), cl::Hidden);
+}
+
+class ClangTableGenAction : public TableGenAction {
+public:
+ bool operator()(raw_ostream &OS, RecordKeeper &Records) {
+ switch (Action) {
+ case GenClangAttrClasses:
+ ClangAttrClassEmitter(Records).run(OS);
+ break;
+ case GenClangAttrImpl:
+ ClangAttrImplEmitter(Records).run(OS);
+ break;
+ case GenClangAttrList:
+ ClangAttrListEmitter(Records).run(OS);
+ break;
+ case GenClangAttrPCHRead:
+ ClangAttrPCHReadEmitter(Records).run(OS);
+ break;
+ case GenClangAttrPCHWrite:
+ ClangAttrPCHWriteEmitter(Records).run(OS);
+ break;
+ case GenClangAttrSpellingList:
+ ClangAttrSpellingListEmitter(Records).run(OS);
+ break;
+ case GenClangAttrLateParsedList:
+ ClangAttrLateParsedListEmitter(Records).run(OS);
+ break;
+ case GenClangDiagsDefs:
+ ClangDiagsDefsEmitter(Records, ClangComponent).run(OS);
+ break;
+ case GenClangDiagGroups:
+ ClangDiagGroupsEmitter(Records).run(OS);
+ break;
+ case GenClangDiagsIndexName:
+ ClangDiagsIndexNameEmitter(Records).run(OS);
+ break;
+ case GenClangDeclNodes:
+ ClangASTNodesEmitter(Records, "Decl", "Decl").run(OS);
+ ClangDeclContextEmitter(Records).run(OS);
+ break;
+ case GenClangStmtNodes:
+ ClangASTNodesEmitter(Records, "Stmt", "").run(OS);
+ break;
+ case GenClangSACheckers:
+ ClangSACheckersEmitter(Records).run(OS);
+ break;
+ case GenOptParserDefs:
+ OptParserEmitter(Records, true).run(OS);
+ break;
+ case GenOptParserImpl:
+ OptParserEmitter(Records, false).run(OS);
+ break;
+ case GenArmNeon:
+ NeonEmitter(Records).run(OS);
+ break;
+ case GenArmNeonSema:
+ NeonEmitter(Records).runHeader(OS);
+ break;
+ case GenArmNeonTest:
+ NeonEmitter(Records).runTests(OS);
+ break;
+ default:
+ assert(1 && "Invalid Action");
+ return true;
+ }
+
+ return false;
+ }
+};
+
+int main(int argc, char **argv) {
+ sys::PrintStackTraceOnErrorSignal();
+ PrettyStackTraceProgram X(argc, argv);
+ cl::ParseCommandLineOptions(argc, argv);
+
+ ClangTableGenAction Action;
+ return TableGenMain(argv[0], Action);
+}
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