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-rw-r--r--include/llvm/TableGen/Error.h43
-rw-r--r--include/llvm/TableGen/Main.h26
-rw-r--r--include/llvm/TableGen/Record.h1655
-rw-r--r--include/llvm/TableGen/TableGenAction.h34
-rw-r--r--include/llvm/TableGen/TableGenBackend.h43
5 files changed, 1801 insertions, 0 deletions
diff --git a/include/llvm/TableGen/Error.h b/include/llvm/TableGen/Error.h
new file mode 100644
index 0000000..c01b32b
--- /dev/null
+++ b/include/llvm/TableGen/Error.h
@@ -0,0 +1,43 @@
+//===- llvm/TableGen/Error.h - tblgen error handling helpers ----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains error handling helper routines to pretty-print diagnostic
+// messages from tblgen.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TABLEGEN_ERROR_H
+#define LLVM_TABLEGEN_ERROR_H
+
+#include "llvm/Support/SourceMgr.h"
+
+namespace llvm {
+
+class TGError {
+ SMLoc Loc;
+ std::string Message;
+public:
+ TGError(SMLoc loc, const std::string &message) : Loc(loc), Message(message) {}
+
+ SMLoc getLoc() const { return Loc; }
+ const std::string &getMessage() const { return Message; }
+};
+
+void PrintError(SMLoc ErrorLoc, const Twine &Msg);
+void PrintError(const char *Loc, const Twine &Msg);
+void PrintError(const Twine &Msg);
+void PrintError(const TGError &Error);
+
+
+extern SourceMgr SrcMgr;
+
+
+} // end namespace "llvm"
+
+#endif
diff --git a/include/llvm/TableGen/Main.h b/include/llvm/TableGen/Main.h
new file mode 100644
index 0000000..deaef4a
--- /dev/null
+++ b/include/llvm/TableGen/Main.h
@@ -0,0 +1,26 @@
+//===- llvm/TableGen/Main.h - tblgen entry point ----------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the common entry point for tblgen tools.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TABLEGEN_MAIN_H
+#define LLVM_TABLEGEN_MAIN_H
+
+namespace llvm {
+
+class TableGenAction;
+
+/// Run the table generator, performing the specified Action on parsed records.
+int TableGenMain(char *argv0, TableGenAction &Action);
+
+}
+
+#endif
diff --git a/include/llvm/TableGen/Record.h b/include/llvm/TableGen/Record.h
new file mode 100644
index 0000000..afce760
--- /dev/null
+++ b/include/llvm/TableGen/Record.h
@@ -0,0 +1,1655 @@
+//===- llvm/TableGen/Record.h - Classes for Table Records -------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the main TableGen data structures, including the TableGen
+// types, values, and high-level data structures.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TABLEGEN_RECORD_H
+#define LLVM_TABLEGEN_RECORD_H
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/FoldingSet.h"
+#include "llvm/Support/Allocator.h"
+#include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/raw_ostream.h"
+#include <map>
+
+namespace llvm {
+class raw_ostream;
+
+// RecTy subclasses.
+class BitRecTy;
+class BitsRecTy;
+class IntRecTy;
+class StringRecTy;
+class ListRecTy;
+class CodeRecTy;
+class DagRecTy;
+class RecordRecTy;
+
+// Init subclasses.
+class Init;
+class UnsetInit;
+class BitInit;
+class BitsInit;
+class IntInit;
+class StringInit;
+class CodeInit;
+class ListInit;
+class UnOpInit;
+class BinOpInit;
+class TernOpInit;
+class DefInit;
+class DagInit;
+class TypedInit;
+class VarInit;
+class FieldInit;
+class VarBitInit;
+class VarListElementInit;
+
+// Other classes.
+class Record;
+class RecordVal;
+struct MultiClass;
+class RecordKeeper;
+
+//===----------------------------------------------------------------------===//
+// Type Classes
+//===----------------------------------------------------------------------===//
+
+class RecTy {
+ ListRecTy *ListTy;
+public:
+ RecTy() : ListTy(0) {}
+ virtual ~RecTy() {}
+
+ virtual std::string getAsString() const = 0;
+ void print(raw_ostream &OS) const { OS << getAsString(); }
+ void dump() const;
+
+ /// typeIsConvertibleTo - Return true if all values of 'this' type can be
+ /// converted to the specified type.
+ virtual bool typeIsConvertibleTo(const RecTy *RHS) const = 0;
+
+ /// getListTy - Returns the type representing list<this>.
+ ListRecTy *getListTy();
+
+public: // These methods should only be called from subclasses of Init
+ virtual Init *convertValue( UnsetInit *UI) { return 0; }
+ virtual Init *convertValue( BitInit *BI) { return 0; }
+ virtual Init *convertValue( BitsInit *BI) { return 0; }
+ virtual Init *convertValue( IntInit *II) { return 0; }
+ virtual Init *convertValue(StringInit *SI) { return 0; }
+ virtual Init *convertValue( ListInit *LI) { return 0; }
+ virtual Init *convertValue( UnOpInit *UI) {
+ return convertValue((TypedInit*)UI);
+ }
+ virtual Init *convertValue( BinOpInit *UI) {
+ return convertValue((TypedInit*)UI);
+ }
+ virtual Init *convertValue( TernOpInit *UI) {
+ return convertValue((TypedInit*)UI);
+ }
+ virtual Init *convertValue( CodeInit *CI) { return 0; }
+ virtual Init *convertValue(VarBitInit *VB) { return 0; }
+ virtual Init *convertValue( DefInit *DI) { return 0; }
+ virtual Init *convertValue( DagInit *DI) { return 0; }
+ virtual Init *convertValue( TypedInit *TI) { return 0; }
+ virtual Init *convertValue( VarInit *VI) {
+ return convertValue((TypedInit*)VI);
+ }
+ virtual Init *convertValue( FieldInit *FI) {
+ return convertValue((TypedInit*)FI);
+ }
+
+public: // These methods should only be called by subclasses of RecTy.
+ // baseClassOf - These virtual methods should be overloaded to return true iff
+ // all values of type 'RHS' can be converted to the 'this' type.
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+};
+
+inline raw_ostream &operator<<(raw_ostream &OS, const RecTy &Ty) {
+ Ty.print(OS);
+ return OS;
+}
+
+
+/// BitRecTy - 'bit' - Represent a single bit
+///
+class BitRecTy : public RecTy {
+ static BitRecTy Shared;
+ BitRecTy() {}
+public:
+ static BitRecTy *get() { return &Shared; }
+
+ virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
+ virtual Init *convertValue( BitInit *BI) { return (Init*)BI; }
+ virtual Init *convertValue( BitsInit *BI);
+ virtual Init *convertValue( IntInit *II);
+ virtual Init *convertValue(StringInit *SI) { return 0; }
+ virtual Init *convertValue( ListInit *LI) { return 0; }
+ virtual Init *convertValue( CodeInit *CI) { return 0; }
+ virtual Init *convertValue(VarBitInit *VB) { return (Init*)VB; }
+ virtual Init *convertValue( DefInit *DI) { return 0; }
+ virtual Init *convertValue( DagInit *DI) { return 0; }
+ virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( TypedInit *TI);
+ virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
+ virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
+
+ std::string getAsString() const { return "bit"; }
+
+ bool typeIsConvertibleTo(const RecTy *RHS) const {
+ return RHS->baseClassOf(this);
+ }
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const;
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+
+};
+
+
+// BitsRecTy - 'bits<n>' - Represent a fixed number of bits
+/// BitsRecTy - 'bits&lt;n&gt;' - Represent a fixed number of bits
+///
+class BitsRecTy : public RecTy {
+ unsigned Size;
+ explicit BitsRecTy(unsigned Sz) : Size(Sz) {}
+public:
+ static BitsRecTy *get(unsigned Sz);
+
+ unsigned getNumBits() const { return Size; }
+
+ virtual Init *convertValue( UnsetInit *UI);
+ virtual Init *convertValue( BitInit *UI);
+ virtual Init *convertValue( BitsInit *BI);
+ virtual Init *convertValue( IntInit *II);
+ virtual Init *convertValue(StringInit *SI) { return 0; }
+ virtual Init *convertValue( ListInit *LI) { return 0; }
+ virtual Init *convertValue( CodeInit *CI) { return 0; }
+ virtual Init *convertValue(VarBitInit *VB) { return 0; }
+ virtual Init *convertValue( DefInit *DI) { return 0; }
+ virtual Init *convertValue( DagInit *DI) { return 0; }
+ virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( TypedInit *TI);
+ virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
+ virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
+
+ std::string getAsString() const;
+
+ bool typeIsConvertibleTo(const RecTy *RHS) const {
+ return RHS->baseClassOf(this);
+ }
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return Size == 1; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const {
+ return RHS->Size == Size;
+ }
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+
+};
+
+
+/// IntRecTy - 'int' - Represent an integer value of no particular size
+///
+class IntRecTy : public RecTy {
+ static IntRecTy Shared;
+ IntRecTy() {}
+public:
+ static IntRecTy *get() { return &Shared; }
+
+ virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
+ virtual Init *convertValue( BitInit *BI);
+ virtual Init *convertValue( BitsInit *BI);
+ virtual Init *convertValue( IntInit *II) { return (Init*)II; }
+ virtual Init *convertValue(StringInit *SI) { return 0; }
+ virtual Init *convertValue( ListInit *LI) { return 0; }
+ virtual Init *convertValue( CodeInit *CI) { return 0; }
+ virtual Init *convertValue(VarBitInit *VB) { return 0; }
+ virtual Init *convertValue( DefInit *DI) { return 0; }
+ virtual Init *convertValue( DagInit *DI) { return 0; }
+ virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( TypedInit *TI);
+ virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
+ virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
+
+ std::string getAsString() const { return "int"; }
+
+ bool typeIsConvertibleTo(const RecTy *RHS) const {
+ return RHS->baseClassOf(this);
+ }
+
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+
+};
+
+/// StringRecTy - 'string' - Represent an string value
+///
+class StringRecTy : public RecTy {
+ static StringRecTy Shared;
+ StringRecTy() {}
+public:
+ static StringRecTy *get() { return &Shared; }
+
+ virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
+ virtual Init *convertValue( BitInit *BI) { return 0; }
+ virtual Init *convertValue( BitsInit *BI) { return 0; }
+ virtual Init *convertValue( IntInit *II) { return 0; }
+ virtual Init *convertValue(StringInit *SI) { return (Init*)SI; }
+ virtual Init *convertValue( ListInit *LI) { return 0; }
+ virtual Init *convertValue( UnOpInit *BO);
+ virtual Init *convertValue( BinOpInit *BO);
+ virtual Init *convertValue( TernOpInit *BO) { return RecTy::convertValue(BO);}
+
+ virtual Init *convertValue( CodeInit *CI) { return 0; }
+ virtual Init *convertValue(VarBitInit *VB) { return 0; }
+ virtual Init *convertValue( DefInit *DI) { return 0; }
+ virtual Init *convertValue( DagInit *DI) { return 0; }
+ virtual Init *convertValue( TypedInit *TI);
+ virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
+ virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
+
+ std::string getAsString() const { return "string"; }
+
+ bool typeIsConvertibleTo(const RecTy *RHS) const {
+ return RHS->baseClassOf(this);
+ }
+
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const StringRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+};
+
+// ListRecTy - 'list<Ty>' - Represent a list of values, all of which must be of
+// the specified type.
+/// ListRecTy - 'list&lt;Ty&gt;' - Represent a list of values, all of which must
+/// be of the specified type.
+///
+class ListRecTy : public RecTy {
+ RecTy *Ty;
+ explicit ListRecTy(RecTy *T) : Ty(T) {}
+ friend ListRecTy *RecTy::getListTy();
+public:
+ static ListRecTy *get(RecTy *T) { return T->getListTy(); }
+ RecTy *getElementType() const { return Ty; }
+
+ virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
+ virtual Init *convertValue( BitInit *BI) { return 0; }
+ virtual Init *convertValue( BitsInit *BI) { return 0; }
+ virtual Init *convertValue( IntInit *II) { return 0; }
+ virtual Init *convertValue(StringInit *SI) { return 0; }
+ virtual Init *convertValue( ListInit *LI);
+ virtual Init *convertValue( CodeInit *CI) { return 0; }
+ virtual Init *convertValue(VarBitInit *VB) { return 0; }
+ virtual Init *convertValue( DefInit *DI) { return 0; }
+ virtual Init *convertValue( DagInit *DI) { return 0; }
+ virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( TypedInit *TI);
+ virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
+ virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
+
+ std::string getAsString() const;
+
+ bool typeIsConvertibleTo(const RecTy *RHS) const {
+ return RHS->baseClassOf(this);
+ }
+
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const {
+ return RHS->getElementType()->typeIsConvertibleTo(Ty);
+ }
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+};
+
+/// CodeRecTy - 'code' - Represent an code fragment, function or method.
+///
+class CodeRecTy : public RecTy {
+ static CodeRecTy Shared;
+ CodeRecTy() {}
+public:
+ static CodeRecTy *get() { return &Shared; }
+
+ virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
+ virtual Init *convertValue( BitInit *BI) { return 0; }
+ virtual Init *convertValue( BitsInit *BI) { return 0; }
+ virtual Init *convertValue( IntInit *II) { return 0; }
+ virtual Init *convertValue(StringInit *SI) { return 0; }
+ virtual Init *convertValue( ListInit *LI) { return 0; }
+ virtual Init *convertValue( CodeInit *CI) { return (Init*)CI; }
+ virtual Init *convertValue(VarBitInit *VB) { return 0; }
+ virtual Init *convertValue( DefInit *DI) { return 0; }
+ virtual Init *convertValue( DagInit *DI) { return 0; }
+ virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( TypedInit *TI);
+ virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
+ virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
+
+ std::string getAsString() const { return "code"; }
+
+ bool typeIsConvertibleTo(const RecTy *RHS) const {
+ return RHS->baseClassOf(this);
+ }
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+};
+
+/// DagRecTy - 'dag' - Represent a dag fragment
+///
+class DagRecTy : public RecTy {
+ static DagRecTy Shared;
+ DagRecTy() {}
+public:
+ static DagRecTy *get() { return &Shared; }
+
+ virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
+ virtual Init *convertValue( BitInit *BI) { return 0; }
+ virtual Init *convertValue( BitsInit *BI) { return 0; }
+ virtual Init *convertValue( IntInit *II) { return 0; }
+ virtual Init *convertValue(StringInit *SI) { return 0; }
+ virtual Init *convertValue( ListInit *LI) { return 0; }
+ virtual Init *convertValue( CodeInit *CI) { return 0; }
+ virtual Init *convertValue(VarBitInit *VB) { return 0; }
+ virtual Init *convertValue( DefInit *DI) { return 0; }
+ virtual Init *convertValue( UnOpInit *BO);
+ virtual Init *convertValue( BinOpInit *BO);
+ virtual Init *convertValue( TernOpInit *BO) { return RecTy::convertValue(BO);}
+ virtual Init *convertValue( DagInit *CI) { return (Init*)CI; }
+ virtual Init *convertValue( TypedInit *TI);
+ virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
+ virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
+
+ std::string getAsString() const { return "dag"; }
+
+ bool typeIsConvertibleTo(const RecTy *RHS) const {
+ return RHS->baseClassOf(this);
+ }
+
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+};
+
+
+/// RecordRecTy - '[classname]' - Represent an instance of a class, such as:
+/// (R32 X = EAX).
+///
+class RecordRecTy : public RecTy {
+ Record *Rec;
+ explicit RecordRecTy(Record *R) : Rec(R) {}
+ friend class Record;
+public:
+ static RecordRecTy *get(Record *R);
+
+ Record *getRecord() const { return Rec; }
+
+ virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
+ virtual Init *convertValue( BitInit *BI) { return 0; }
+ virtual Init *convertValue( BitsInit *BI) { return 0; }
+ virtual Init *convertValue( IntInit *II) { return 0; }
+ virtual Init *convertValue(StringInit *SI) { return 0; }
+ virtual Init *convertValue( ListInit *LI) { return 0; }
+ virtual Init *convertValue( CodeInit *CI) { return 0; }
+ virtual Init *convertValue(VarBitInit *VB) { return 0; }
+ virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual Init *convertValue( DefInit *DI);
+ virtual Init *convertValue( DagInit *DI) { return 0; }
+ virtual Init *convertValue( TypedInit *VI);
+ virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
+ virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
+
+ std::string getAsString() const;
+
+ bool typeIsConvertibleTo(const RecTy *RHS) const {
+ return RHS->baseClassOf(this);
+ }
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const;
+};
+
+/// resolveTypes - Find a common type that T1 and T2 convert to.
+/// Return 0 if no such type exists.
+///
+RecTy *resolveTypes(RecTy *T1, RecTy *T2);
+
+//===----------------------------------------------------------------------===//
+// Initializer Classes
+//===----------------------------------------------------------------------===//
+
+class Init {
+ Init(const Init &); // Do not define.
+ Init &operator=(const Init &); // Do not define.
+
+protected:
+ Init(void) {}
+
+public:
+ virtual ~Init() {}
+
+ /// isComplete - This virtual method should be overridden by values that may
+ /// not be completely specified yet.
+ virtual bool isComplete() const { return true; }
+
+ /// print - Print out this value.
+ void print(raw_ostream &OS) const { OS << getAsString(); }
+
+ /// getAsString - Convert this value to a string form.
+ virtual std::string getAsString() const = 0;
+ /// getAsUnquotedString - Convert this value to a string form,
+ /// without adding quote markers. This primaruly affects
+ /// StringInits where we will not surround the string value with
+ /// quotes.
+ virtual std::string getAsUnquotedString() const { return getAsString(); }
+
+ /// dump - Debugging method that may be called through a debugger, just
+ /// invokes print on stderr.
+ void dump() const;
+
+ /// convertInitializerTo - This virtual function is a simple call-back
+ /// function that should be overridden to call the appropriate
+ /// RecTy::convertValue method.
+ ///
+ virtual Init *convertInitializerTo(RecTy *Ty) const = 0;
+
+ /// convertInitializerBitRange - This method is used to implement the bitrange
+ /// selection operator. Given an initializer, it selects the specified bits
+ /// out, returning them as a new init of bits type. If it is not legal to use
+ /// the bit subscript operator on this initializer, return null.
+ ///
+ virtual Init *
+ convertInitializerBitRange(const std::vector<unsigned> &Bits) const {
+ return 0;
+ }
+
+ /// convertInitListSlice - This method is used to implement the list slice
+ /// selection operator. Given an initializer, it selects the specified list
+ /// elements, returning them as a new init of list type. If it is not legal
+ /// to take a slice of this, return null.
+ ///
+ virtual Init *
+ convertInitListSlice(const std::vector<unsigned> &Elements) const {
+ return 0;
+ }
+
+ /// getFieldType - This method is used to implement the FieldInit class.
+ /// Implementors of this method should return the type of the named field if
+ /// they are of record type.
+ ///
+ virtual RecTy *getFieldType(const std::string &FieldName) const { return 0; }
+
+ /// getFieldInit - This method complements getFieldType to return the
+ /// initializer for the specified field. If getFieldType returns non-null
+ /// this method should return non-null, otherwise it returns null.
+ ///
+ virtual Init *getFieldInit(Record &R, const RecordVal *RV,
+ const std::string &FieldName) const {
+ return 0;
+ }
+
+ /// resolveReferences - This method is used by classes that refer to other
+ /// variables which may not be defined at the time the expression is formed.
+ /// If a value is set for the variable later, this method will be called on
+ /// users of the value to allow the value to propagate out.
+ ///
+ virtual Init *resolveReferences(Record &R, const RecordVal *RV) const {
+ return const_cast<Init *>(this);
+ }
+};
+
+inline raw_ostream &operator<<(raw_ostream &OS, const Init &I) {
+ I.print(OS); return OS;
+}
+
+/// TypedInit - This is the common super-class of types that have a specific,
+/// explicit, type.
+///
+class TypedInit : public Init {
+ RecTy *Ty;
+
+ TypedInit(const TypedInit &Other); // Do not define.
+ TypedInit &operator=(const TypedInit &Other); // Do not define.
+
+protected:
+ explicit TypedInit(RecTy *T) : Ty(T) {}
+
+public:
+ RecTy *getType() const { return Ty; }
+
+ virtual Init *
+ convertInitializerBitRange(const std::vector<unsigned> &Bits) const;
+ virtual Init *
+ convertInitListSlice(const std::vector<unsigned> &Elements) const;
+
+ /// getFieldType - This method is used to implement the FieldInit class.
+ /// Implementors of this method should return the type of the named field if
+ /// they are of record type.
+ ///
+ virtual RecTy *getFieldType(const std::string &FieldName) const;
+
+ /// resolveBitReference - This method is used to implement
+ /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
+ /// simply return the resolved value, otherwise we return null.
+ ///
+ virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const = 0;
+
+ /// resolveListElementReference - This method is used to implement
+ /// VarListElementInit::resolveReferences. If the list element is resolvable
+ /// now, we return the resolved value, otherwise we return null.
+ virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const = 0;
+};
+
+
+/// UnsetInit - ? - Represents an uninitialized value
+///
+class UnsetInit : public Init {
+ UnsetInit() : Init() {}
+ UnsetInit(const UnsetInit &); // Do not define.
+ UnsetInit &operator=(const UnsetInit &Other); // Do not define.
+
+public:
+ static UnsetInit *get();
+
+ virtual Init *convertInitializerTo(RecTy *Ty) const {
+ return Ty->convertValue(const_cast<UnsetInit *>(this));
+ }
+
+ virtual bool isComplete() const { return false; }
+ virtual std::string getAsString() const { return "?"; }
+};
+
+
+/// BitInit - true/false - Represent a concrete initializer for a bit.
+///
+class BitInit : public Init {
+ bool Value;
+
+ explicit BitInit(bool V) : Value(V) {}
+ BitInit(const BitInit &Other); // Do not define.
+ BitInit &operator=(BitInit &Other); // Do not define.
+
+public:
+ static BitInit *get(bool V);
+
+ bool getValue() const { return Value; }
+
+ virtual Init *convertInitializerTo(RecTy *Ty) const {
+ return Ty->convertValue(const_cast<BitInit *>(this));
+ }
+
+ virtual std::string getAsString() const { return Value ? "1" : "0"; }
+};
+
+/// BitsInit - { a, b, c } - Represents an initializer for a BitsRecTy value.
+/// It contains a vector of bits, whose size is determined by the type.
+///
+class BitsInit : public Init, public FoldingSetNode {
+ std::vector<Init*> Bits;
+
+ BitsInit(ArrayRef<Init *> Range) : Bits(Range.begin(), Range.end()) {}
+
+ BitsInit(const BitsInit &Other); // Do not define.
+ BitsInit &operator=(const BitsInit &Other); // Do not define.
+
+public:
+ static BitsInit *get(ArrayRef<Init *> Range);
+
+ void Profile(FoldingSetNodeID &ID) const;
+
+ unsigned getNumBits() const { return Bits.size(); }
+
+ Init *getBit(unsigned Bit) const {
+ assert(Bit < Bits.size() && "Bit index out of range!");
+ return Bits[Bit];
+ }
+
+ virtual Init *convertInitializerTo(RecTy *Ty) const {
+ return Ty->convertValue(const_cast<BitsInit *>(this));
+ }
+ virtual Init *
+ convertInitializerBitRange(const std::vector<unsigned> &Bits) const;
+
+ virtual bool isComplete() const {
+ for (unsigned i = 0; i != getNumBits(); ++i)
+ if (!getBit(i)->isComplete()) return false;
+ return true;
+ }
+ bool allInComplete() const {
+ for (unsigned i = 0; i != getNumBits(); ++i)
+ if (getBit(i)->isComplete()) return false;
+ return true;
+ }
+ virtual std::string getAsString() const;
+
+ virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+};
+
+
+/// IntInit - 7 - Represent an initalization by a literal integer value.
+///
+class IntInit : public TypedInit {
+ int64_t Value;
+
+ explicit IntInit(int64_t V) : TypedInit(IntRecTy::get()), Value(V) {}
+
+ IntInit(const IntInit &Other); // Do not define.
+ IntInit &operator=(const IntInit &Other); // Do note define.
+
+public:
+ static IntInit *get(int64_t V);
+
+ int64_t getValue() const { return Value; }
+
+ virtual Init *convertInitializerTo(RecTy *Ty) const {
+ return Ty->convertValue(const_cast<IntInit *>(this));
+ }
+ virtual Init *
+ convertInitializerBitRange(const std::vector<unsigned> &Bits) const;
+
+ virtual std::string getAsString() const;
+
+ /// resolveBitReference - This method is used to implement
+ /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
+ /// simply return the resolved value, otherwise we return null.
+ ///
+ virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const {
+ assert(0 && "Illegal bit reference off int");
+ return 0;
+ }
+
+ /// resolveListElementReference - This method is used to implement
+ /// VarListElementInit::resolveReferences. If the list element is resolvable
+ /// now, we return the resolved value, otherwise we return null.
+ virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const {
+ assert(0 && "Illegal element reference off int");
+ return 0;
+ }
+};
+
+
+/// StringInit - "foo" - Represent an initialization by a string value.
+///
+class StringInit : public TypedInit {
+ std::string Value;
+
+ explicit StringInit(const std::string &V)
+ : TypedInit(StringRecTy::get()), Value(V) {}
+
+ StringInit(const StringInit &Other); // Do not define.
+ StringInit &operator=(const StringInit &Other); // Do not define.
+
+public:
+ static StringInit *get(const std::string &V);
+
+ const std::string &getValue() const { return Value; }
+
+ virtual Init *convertInitializerTo(RecTy *Ty) const {
+ return Ty->convertValue(const_cast<StringInit *>(this));
+ }
+
+ virtual std::string getAsString() const { return "\"" + Value + "\""; }
+ virtual std::string getAsUnquotedString() const { return Value; }
+
+ /// resolveBitReference - This method is used to implement
+ /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
+ /// simply return the resolved value, otherwise we return null.
+ ///
+ virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const {
+ assert(0 && "Illegal bit reference off string");
+ return 0;
+ }
+
+ /// resolveListElementReference - This method is used to implement
+ /// VarListElementInit::resolveReferences. If the list element is resolvable
+ /// now, we return the resolved value, otherwise we return null.
+ virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const {
+ assert(0 && "Illegal element reference off string");
+ return 0;
+ }
+};
+
+/// CodeInit - "[{...}]" - Represent a code fragment.
+///
+class CodeInit : public Init {
+ std::string Value;
+
+ explicit CodeInit(const std::string &V) : Value(V) {}
+
+ CodeInit(const CodeInit &Other); // Do not define.
+ CodeInit &operator=(const CodeInit &Other); // Do not define.
+
+public:
+ static CodeInit *get(const std::string &V);
+
+ const std::string &getValue() const { return Value; }
+
+ virtual Init *convertInitializerTo(RecTy *Ty) const {
+ return Ty->convertValue(const_cast<CodeInit *>(this));
+ }
+
+ virtual std::string getAsString() const { return "[{" + Value + "}]"; }
+};
+
+/// ListInit - [AL, AH, CL] - Represent a list of defs
+///
+class ListInit : public TypedInit, public FoldingSetNode {
+ std::vector<Init*> Values;
+public:
+ typedef std::vector<Init*>::const_iterator const_iterator;
+
+private:
+ explicit ListInit(ArrayRef<Init *> Range, RecTy *EltTy)
+ : TypedInit(ListRecTy::get(EltTy)), Values(Range.begin(), Range.end()) {}
+
+ ListInit(const ListInit &Other); // Do not define.
+ ListInit &operator=(const ListInit &Other); // Do not define.
+
+public:
+ static ListInit *get(ArrayRef<Init *> Range, RecTy *EltTy);
+
+ void Profile(FoldingSetNodeID &ID) const;
+
+ unsigned getSize() const { return Values.size(); }
+ Init *getElement(unsigned i) const {
+ assert(i < Values.size() && "List element index out of range!");
+ return Values[i];
+ }
+
+ Record *getElementAsRecord(unsigned i) const;
+
+ Init *convertInitListSlice(const std::vector<unsigned> &Elements) const;
+
+ virtual Init *convertInitializerTo(RecTy *Ty) const {
+ return Ty->convertValue(const_cast<ListInit *>(this));
+ }
+
+ /// resolveReferences - This method is used by classes that refer to other
+ /// variables which may not be defined at the time they expression is formed.
+ /// If a value is set for the variable later, this method will be called on
+ /// users of the value to allow the value to propagate out.
+ ///
+ virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+
+ virtual std::string getAsString() const;
+
+ ArrayRef<Init*> getValues() const { return Values; }
+
+ inline const_iterator begin() const { return Values.begin(); }
+ inline const_iterator end () const { return Values.end(); }
+
+ inline size_t size () const { return Values.size(); }
+ inline bool empty() const { return Values.empty(); }
+
+ /// resolveBitReference - This method is used to implement
+ /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
+ /// simply return the resolved value, otherwise we return null.
+ ///
+ virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const {
+ assert(0 && "Illegal bit reference off list");
+ return 0;
+ }
+
+ /// resolveListElementReference - This method is used to implement
+ /// VarListElementInit::resolveReferences. If the list element is resolvable
+ /// now, we return the resolved value, otherwise we return null.
+ virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const;
+};
+
+
+/// OpInit - Base class for operators
+///
+class OpInit : public TypedInit {
+ OpInit(const OpInit &Other); // Do not define.
+ OpInit &operator=(OpInit &Other); // Do not define.
+
+protected:
+ explicit OpInit(RecTy *Type) : TypedInit(Type) {}
+
+public:
+ // Clone - Clone this operator, replacing arguments with the new list
+ virtual OpInit *clone(std::vector<Init *> &Operands) const = 0;
+
+ virtual int getNumOperands() const = 0;
+ virtual Init *getOperand(int i) const = 0;
+
+ // Fold - If possible, fold this to a simpler init. Return this if not
+ // possible to fold.
+ virtual Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const = 0;
+
+ virtual Init *convertInitializerTo(RecTy *Ty) const {
+ return Ty->convertValue(const_cast<OpInit *>(this));
+ }
+
+ virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const;
+ virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const;
+};
+
+
+/// UnOpInit - !op (X) - Transform an init.
+///
+class UnOpInit : public OpInit {
+public:
+ enum UnaryOp { CAST, HEAD, TAIL, EMPTY };
+private:
+ UnaryOp Opc;
+ Init *LHS;
+
+ UnOpInit(UnaryOp opc, Init *lhs, RecTy *Type)
+ : OpInit(Type), Opc(opc), LHS(lhs) {}
+
+ UnOpInit(const UnOpInit &Other); // Do not define.
+ UnOpInit &operator=(const UnOpInit &Other); // Do not define.
+
+public:
+ static UnOpInit *get(UnaryOp opc, Init *lhs, RecTy *Type);
+
+ // Clone - Clone this operator, replacing arguments with the new list
+ virtual OpInit *clone(std::vector<Init *> &Operands) const {
+ assert(Operands.size() == 1 &&
+ "Wrong number of operands for unary operation");
+ return UnOpInit::get(getOpcode(), *Operands.begin(), getType());
+ }
+
+ int getNumOperands() const { return 1; }
+ Init *getOperand(int i) const {
+ assert(i == 0 && "Invalid operand id for unary operator");
+ return getOperand();
+ }
+
+ UnaryOp getOpcode() const { return Opc; }
+ Init *getOperand() const { return LHS; }
+
+ // Fold - If possible, fold this to a simpler init. Return this if not
+ // possible to fold.
+ Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const;
+
+ virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+
+ virtual std::string getAsString() const;
+};
+
+/// BinOpInit - !op (X, Y) - Combine two inits.
+///
+class BinOpInit : public OpInit {
+public:
+ enum BinaryOp { SHL, SRA, SRL, STRCONCAT, CONCAT, EQ };
+private:
+ BinaryOp Opc;
+ Init *LHS, *RHS;
+
+ BinOpInit(BinaryOp opc, Init *lhs, Init *rhs, RecTy *Type) :
+ OpInit(Type), Opc(opc), LHS(lhs), RHS(rhs) {}
+
+ BinOpInit(const BinOpInit &Other); // Do not define.
+ BinOpInit &operator=(const BinOpInit &Other); // Do not define.
+
+public:
+ static BinOpInit *get(BinaryOp opc, Init *lhs, Init *rhs,
+ RecTy *Type);
+
+ // Clone - Clone this operator, replacing arguments with the new list
+ virtual OpInit *clone(std::vector<Init *> &Operands) const {
+ assert(Operands.size() == 2 &&
+ "Wrong number of operands for binary operation");
+ return BinOpInit::get(getOpcode(), Operands[0], Operands[1], getType());
+ }
+
+ int getNumOperands() const { return 2; }
+ Init *getOperand(int i) const {
+ assert((i == 0 || i == 1) && "Invalid operand id for binary operator");
+ if (i == 0) {
+ return getLHS();
+ } else {
+ return getRHS();
+ }
+ }
+
+ BinaryOp getOpcode() const { return Opc; }
+ Init *getLHS() const { return LHS; }
+ Init *getRHS() const { return RHS; }
+
+ // Fold - If possible, fold this to a simpler init. Return this if not
+ // possible to fold.
+ Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const;
+
+ virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+
+ virtual std::string getAsString() const;
+};
+
+/// TernOpInit - !op (X, Y, Z) - Combine two inits.
+///
+class TernOpInit : public OpInit {
+public:
+ enum TernaryOp { SUBST, FOREACH, IF };
+private:
+ TernaryOp Opc;
+ Init *LHS, *MHS, *RHS;
+
+ TernOpInit(TernaryOp opc, Init *lhs, Init *mhs, Init *rhs,
+ RecTy *Type) :
+ OpInit(Type), Opc(opc), LHS(lhs), MHS(mhs), RHS(rhs) {}
+
+ TernOpInit(const TernOpInit &Other); // Do not define.
+ TernOpInit &operator=(const TernOpInit &Other); // Do not define.
+
+public:
+ static TernOpInit *get(TernaryOp opc, Init *lhs,
+ Init *mhs, Init *rhs,
+ RecTy *Type);
+
+ // Clone - Clone this operator, replacing arguments with the new list
+ virtual OpInit *clone(std::vector<Init *> &Operands) const {
+ assert(Operands.size() == 3 &&
+ "Wrong number of operands for ternary operation");
+ return TernOpInit::get(getOpcode(), Operands[0], Operands[1], Operands[2],
+ getType());
+ }
+
+ int getNumOperands() const { return 3; }
+ Init *getOperand(int i) const {
+ assert((i == 0 || i == 1 || i == 2) &&
+ "Invalid operand id for ternary operator");
+ if (i == 0) {
+ return getLHS();
+ } else if (i == 1) {
+ return getMHS();
+ } else {
+ return getRHS();
+ }
+ }
+
+ TernaryOp getOpcode() const { return Opc; }
+ Init *getLHS() const { return LHS; }
+ Init *getMHS() const { return MHS; }
+ Init *getRHS() const { return RHS; }
+
+ // Fold - If possible, fold this to a simpler init. Return this if not
+ // possible to fold.
+ Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const;
+
+ virtual bool isComplete() const { return false; }
+
+ virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+
+ virtual std::string getAsString() const;
+};
+
+
+/// VarInit - 'Opcode' - Represent a reference to an entire variable object.
+///
+class VarInit : public TypedInit {
+ std::string VarName;
+
+ explicit VarInit(const std::string &VN, RecTy *T)
+ : TypedInit(T), VarName(VN) {}
+
+ VarInit(const VarInit &Other); // Do not define.
+ VarInit &operator=(const VarInit &Other); // Do not define.
+
+public:
+ static VarInit *get(const std::string &VN, RecTy *T);
+ static VarInit *get(Init *VN, RecTy *T);
+
+ virtual Init *convertInitializerTo(RecTy *Ty) const {
+ return Ty->convertValue(const_cast<VarInit *>(this));
+ }
+
+ const std::string &getName() const { return VarName; }
+
+ virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const;
+ virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const;
+
+ virtual RecTy *getFieldType(const std::string &FieldName) const;
+ virtual Init *getFieldInit(Record &R, const RecordVal *RV,
+ const std::string &FieldName) const;
+
+ /// resolveReferences - This method is used by classes that refer to other
+ /// variables which may not be defined at the time they expression is formed.
+ /// If a value is set for the variable later, this method will be called on
+ /// users of the value to allow the value to propagate out.
+ ///
+ virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+
+ virtual std::string getAsString() const { return VarName; }
+};
+
+
+/// VarBitInit - Opcode{0} - Represent access to one bit of a variable or field.
+///
+class VarBitInit : public Init {
+ TypedInit *TI;
+ unsigned Bit;
+
+ VarBitInit(TypedInit *T, unsigned B) : TI(T), Bit(B) {
+ assert(T->getType() && dynamic_cast<BitsRecTy*>(T->getType()) &&
+ ((BitsRecTy*)T->getType())->getNumBits() > B &&
+ "Illegal VarBitInit expression!");
+ }
+
+ VarBitInit(const VarBitInit &Other); // Do not define.
+ VarBitInit &operator=(const VarBitInit &Other); // Do not define.
+
+public:
+ static VarBitInit *get(TypedInit *T, unsigned B);
+
+ virtual Init *convertInitializerTo(RecTy *Ty) const {
+ return Ty->convertValue(const_cast<VarBitInit *>(this));
+ }
+
+ TypedInit *getVariable() const { return TI; }
+ unsigned getBitNum() const { return Bit; }
+
+ virtual std::string getAsString() const;
+ virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+};
+
+/// VarListElementInit - List[4] - Represent access to one element of a var or
+/// field.
+class VarListElementInit : public TypedInit {
+ TypedInit *TI;
+ unsigned Element;
+
+ VarListElementInit(TypedInit *T, unsigned E)
+ : TypedInit(dynamic_cast<ListRecTy*>(T->getType())->getElementType()),
+ TI(T), Element(E) {
+ assert(T->getType() && dynamic_cast<ListRecTy*>(T->getType()) &&
+ "Illegal VarBitInit expression!");
+ }
+
+ VarListElementInit(const VarListElementInit &Other); // Do not define.
+ VarListElementInit &operator=(const VarListElementInit &Other); // Do
+ // not
+ // define.
+
+public:
+ static VarListElementInit *get(TypedInit *T, unsigned E);
+
+ virtual Init *convertInitializerTo(RecTy *Ty) const {
+ return Ty->convertValue(const_cast<VarListElementInit *>(this));
+ }
+
+ TypedInit *getVariable() const { return TI; }
+ unsigned getElementNum() const { return Element; }
+
+ virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const;
+
+ /// resolveListElementReference - This method is used to implement
+ /// VarListElementInit::resolveReferences. If the list element is resolvable
+ /// now, we return the resolved value, otherwise we return null.
+ virtual Init *resolveListElementReference(Record &R,
+ const RecordVal *RV,
+ unsigned Elt) const;
+
+ virtual std::string getAsString() const;
+ virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+};
+
+/// DefInit - AL - Represent a reference to a 'def' in the description
+///
+class DefInit : public TypedInit {
+ Record *Def;
+
+ DefInit(Record *D, RecordRecTy *T) : TypedInit(T), Def(D) {}
+ friend class Record;
+
+ DefInit(const DefInit &Other); // Do not define.
+ DefInit &operator=(const DefInit &Other); // Do not define.
+
+public:
+ static DefInit *get(Record*);
+
+ virtual Init *convertInitializerTo(RecTy *Ty) const {
+ return Ty->convertValue(const_cast<DefInit *>(this));
+ }
+
+ Record *getDef() const { return Def; }
+
+ //virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
+
+ virtual RecTy *getFieldType(const std::string &FieldName) const;
+ virtual Init *getFieldInit(Record &R, const RecordVal *RV,
+ const std::string &FieldName) const;
+
+ virtual std::string getAsString() const;
+
+ /// resolveBitReference - This method is used to implement
+ /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
+ /// simply return the resolved value, otherwise we return null.
+ ///
+ virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const {
+ assert(0 && "Illegal bit reference off def");
+ return 0;
+ }
+
+ /// resolveListElementReference - This method is used to implement
+ /// VarListElementInit::resolveReferences. If the list element is resolvable
+ /// now, we return the resolved value, otherwise we return null.
+ virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const {
+ assert(0 && "Illegal element reference off def");
+ return 0;
+ }
+};
+
+
+/// FieldInit - X.Y - Represent a reference to a subfield of a variable
+///
+class FieldInit : public TypedInit {
+ Init *Rec; // Record we are referring to
+ std::string FieldName; // Field we are accessing
+
+ FieldInit(Init *R, const std::string &FN)
+ : TypedInit(R->getFieldType(FN)), Rec(R), FieldName(FN) {
+ assert(getType() && "FieldInit with non-record type!");
+ }
+
+ FieldInit(const FieldInit &Other); // Do not define.
+ FieldInit &operator=(const FieldInit &Other); // Do not define.
+
+public:
+ static FieldInit *get(Init *R, const std::string &FN);
+ static FieldInit *get(Init *R, const Init *FN);
+
+ virtual Init *convertInitializerTo(RecTy *Ty) const {
+ return Ty->convertValue(const_cast<FieldInit *>(this));
+ }
+
+ virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const;
+ virtual Init *resolveListElementReference(Record &R,
+ const RecordVal *RV,
+ unsigned Elt) const;
+
+ virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+
+ virtual std::string getAsString() const {
+ return Rec->getAsString() + "." + FieldName;
+ }
+};
+
+/// DagInit - (v a, b) - Represent a DAG tree value. DAG inits are required
+/// to have at least one value then a (possibly empty) list of arguments. Each
+/// argument can have a name associated with it.
+///
+class DagInit : public TypedInit, public FoldingSetNode {
+ Init *Val;
+ std::string ValName;
+ std::vector<Init*> Args;
+ std::vector<std::string> ArgNames;
+
+ DagInit(Init *V, const std::string &VN,
+ ArrayRef<Init *> ArgRange,
+ ArrayRef<std::string> NameRange)
+ : TypedInit(DagRecTy::get()), Val(V), ValName(VN),
+ Args(ArgRange.begin(), ArgRange.end()),
+ ArgNames(NameRange.begin(), NameRange.end()) {}
+
+ DagInit(const DagInit &Other); // Do not define.
+ DagInit &operator=(const DagInit &Other); // Do not define.
+
+public:
+ static DagInit *get(Init *V, const std::string &VN,
+ ArrayRef<Init *> ArgRange,
+ ArrayRef<std::string> NameRange);
+ static DagInit *get(Init *V, const std::string &VN,
+ const std::vector<
+ std::pair<Init*, std::string> > &args);
+
+ void Profile(FoldingSetNodeID &ID) const;
+
+ virtual Init *convertInitializerTo(RecTy *Ty) const {
+ return Ty->convertValue(const_cast<DagInit *>(this));
+ }
+
+ Init *getOperator() const { return Val; }
+
+ const std::string &getName() const { return ValName; }
+
+ unsigned getNumArgs() const { return Args.size(); }
+ Init *getArg(unsigned Num) const {
+ assert(Num < Args.size() && "Arg number out of range!");
+ return Args[Num];
+ }
+ const std::string &getArgName(unsigned Num) const {
+ assert(Num < ArgNames.size() && "Arg number out of range!");
+ return ArgNames[Num];
+ }
+
+ virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+
+ virtual std::string getAsString() const;
+
+ typedef std::vector<Init*>::const_iterator const_arg_iterator;
+ typedef std::vector<std::string>::const_iterator const_name_iterator;
+
+ inline const_arg_iterator arg_begin() const { return Args.begin(); }
+ inline const_arg_iterator arg_end () const { return Args.end(); }
+
+ inline size_t arg_size () const { return Args.size(); }
+ inline bool arg_empty() const { return Args.empty(); }
+
+ inline const_name_iterator name_begin() const { return ArgNames.begin(); }
+ inline const_name_iterator name_end () const { return ArgNames.end(); }
+
+ inline size_t name_size () const { return ArgNames.size(); }
+ inline bool name_empty() const { return ArgNames.empty(); }
+
+ virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const {
+ assert(0 && "Illegal bit reference off dag");
+ return 0;
+ }
+
+ virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const {
+ assert(0 && "Illegal element reference off dag");
+ return 0;
+ }
+};
+
+//===----------------------------------------------------------------------===//
+// High-Level Classes
+//===----------------------------------------------------------------------===//
+
+class RecordVal {
+ Init *Name;
+ RecTy *Ty;
+ unsigned Prefix;
+ Init *Value;
+public:
+ RecordVal(Init *N, RecTy *T, unsigned P);
+ RecordVal(const std::string &N, RecTy *T, unsigned P);
+
+ const std::string &getName() const;
+
+ unsigned getPrefix() const { return Prefix; }
+ RecTy *getType() const { return Ty; }
+ Init *getValue() const { return Value; }
+
+ bool setValue(Init *V) {
+ if (V) {
+ Value = V->convertInitializerTo(Ty);
+ return Value == 0;
+ }
+ Value = 0;
+ return false;
+ }
+
+ void dump() const;
+ void print(raw_ostream &OS, bool PrintSem = true) const;
+};
+
+inline raw_ostream &operator<<(raw_ostream &OS, const RecordVal &RV) {
+ RV.print(OS << " ");
+ return OS;
+}
+
+class Record {
+ static unsigned LastID;
+
+ // Unique record ID.
+ unsigned ID;
+ Init *Name;
+ SMLoc Loc;
+ std::vector<std::string> TemplateArgs;
+ std::vector<RecordVal> Values;
+ std::vector<Record*> SuperClasses;
+
+ // Tracks Record instances. Not owned by Record.
+ RecordKeeper &TrackedRecords;
+
+ DefInit *TheInit;
+
+ void checkName();
+
+public:
+
+ // Constructs a record.
+ explicit Record(const std::string &N, SMLoc loc, RecordKeeper &records) :
+ ID(LastID++), Name(StringInit::get(N)), Loc(loc), TrackedRecords(records), TheInit(0) {}
+ ~Record() {}
+
+
+ static unsigned getNewUID() { return LastID++; }
+
+
+ unsigned getID() const { return ID; }
+
+ const std::string &getName() const;
+ void setName(Init *Name); // Also updates RecordKeeper.
+ void setName(const std::string &Name); // Also updates RecordKeeper.
+
+ SMLoc getLoc() const { return Loc; }
+
+ /// get the corresponding DefInit.
+ DefInit *getDefInit();
+
+ const std::vector<std::string> &getTemplateArgs() const {
+ return TemplateArgs;
+ }
+ const std::vector<RecordVal> &getValues() const { return Values; }
+ const std::vector<Record*> &getSuperClasses() const { return SuperClasses; }
+
+ bool isTemplateArg(StringRef Name) const {
+ for (unsigned i = 0, e = TemplateArgs.size(); i != e; ++i)
+ if (TemplateArgs[i] == Name) return true;
+ return false;
+ }
+
+ const RecordVal *getValue(StringRef Name) const {
+ for (unsigned i = 0, e = Values.size(); i != e; ++i)
+ if (Values[i].getName() == Name) return &Values[i];
+ return 0;
+ }
+ RecordVal *getValue(StringRef Name) {
+ for (unsigned i = 0, e = Values.size(); i != e; ++i)
+ if (Values[i].getName() == Name) return &Values[i];
+ return 0;
+ }
+
+ void addTemplateArg(StringRef Name) {
+ assert(!isTemplateArg(Name) && "Template arg already defined!");
+ TemplateArgs.push_back(Name);
+ }
+
+ void addValue(const RecordVal &RV) {
+ assert(getValue(RV.getName()) == 0 && "Value already added!");
+ Values.push_back(RV);
+ }
+
+ void removeValue(StringRef Name) {
+ for (unsigned i = 0, e = Values.size(); i != e; ++i)
+ if (Values[i].getName() == Name) {
+ Values.erase(Values.begin()+i);
+ return;
+ }
+ assert(0 && "Cannot remove an entry that does not exist!");
+ }
+
+ bool isSubClassOf(const Record *R) const {
+ for (unsigned i = 0, e = SuperClasses.size(); i != e; ++i)
+ if (SuperClasses[i] == R)
+ return true;
+ return false;
+ }
+
+ bool isSubClassOf(StringRef Name) const {
+ for (unsigned i = 0, e = SuperClasses.size(); i != e; ++i)
+ if (SuperClasses[i]->getName() == Name)
+ return true;
+ return false;
+ }
+
+ void addSuperClass(Record *R) {
+ assert(!isSubClassOf(R) && "Already subclassing record!");
+ SuperClasses.push_back(R);
+ }
+
+ /// resolveReferences - If there are any field references that refer to fields
+ /// that have been filled in, we can propagate the values now.
+ ///
+ void resolveReferences() { resolveReferencesTo(0); }
+
+ /// resolveReferencesTo - If anything in this record refers to RV, replace the
+ /// reference to RV with the RHS of RV. If RV is null, we resolve all
+ /// possible references.
+ void resolveReferencesTo(const RecordVal *RV);
+
+ RecordKeeper &getRecords() const {
+ return TrackedRecords;
+ }
+
+ void dump() const;
+
+ //===--------------------------------------------------------------------===//
+ // High-level methods useful to tablegen back-ends
+ //
+
+ /// getValueInit - Return the initializer for a value with the specified name,
+ /// or throw an exception if the field does not exist.
+ ///
+ Init *getValueInit(StringRef FieldName) const;
+
+ /// getValueAsString - This method looks up the specified field and returns
+ /// its value as a string, throwing an exception if the field does not exist
+ /// or if the value is not a string.
+ ///
+ std::string getValueAsString(StringRef FieldName) const;
+
+ /// getValueAsBitsInit - This method looks up the specified field and returns
+ /// its value as a BitsInit, throwing an exception if the field does not exist
+ /// or if the value is not the right type.
+ ///
+ BitsInit *getValueAsBitsInit(StringRef FieldName) const;
+
+ /// getValueAsListInit - This method looks up the specified field and returns
+ /// its value as a ListInit, throwing an exception if the field does not exist
+ /// or if the value is not the right type.
+ ///
+ ListInit *getValueAsListInit(StringRef FieldName) const;
+
+ /// getValueAsListOfDefs - This method looks up the specified field and
+ /// returns its value as a vector of records, throwing an exception if the
+ /// field does not exist or if the value is not the right type.
+ ///
+ std::vector<Record*> getValueAsListOfDefs(StringRef FieldName) const;
+
+ /// getValueAsListOfInts - This method looks up the specified field and
+ /// returns its value as a vector of integers, throwing an exception if the
+ /// field does not exist or if the value is not the right type.
+ ///
+ std::vector<int64_t> getValueAsListOfInts(StringRef FieldName) const;
+
+ /// getValueAsListOfStrings - This method looks up the specified field and
+ /// returns its value as a vector of strings, throwing an exception if the
+ /// field does not exist or if the value is not the right type.
+ ///
+ std::vector<std::string> getValueAsListOfStrings(StringRef FieldName) const;
+
+ /// getValueAsDef - This method looks up the specified field and returns its
+ /// value as a Record, throwing an exception if the field does not exist or if
+ /// the value is not the right type.
+ ///
+ Record *getValueAsDef(StringRef FieldName) const;
+
+ /// getValueAsBit - This method looks up the specified field and returns its
+ /// value as a bit, throwing an exception if the field does not exist or if
+ /// the value is not the right type.
+ ///
+ bool getValueAsBit(StringRef FieldName) const;
+
+ /// getValueAsInt - This method looks up the specified field and returns its
+ /// value as an int64_t, throwing an exception if the field does not exist or
+ /// if the value is not the right type.
+ ///
+ int64_t getValueAsInt(StringRef FieldName) const;
+
+ /// getValueAsDag - This method looks up the specified field and returns its
+ /// value as an Dag, throwing an exception if the field does not exist or if
+ /// the value is not the right type.
+ ///
+ DagInit *getValueAsDag(StringRef FieldName) const;
+
+ /// getValueAsCode - This method looks up the specified field and returns
+ /// its value as the string data in a CodeInit, throwing an exception if the
+ /// field does not exist or if the value is not a code object.
+ ///
+ std::string getValueAsCode(StringRef FieldName) const;
+};
+
+raw_ostream &operator<<(raw_ostream &OS, const Record &R);
+
+struct MultiClass {
+ Record Rec; // Placeholder for template args and Name.
+ typedef std::vector<Record*> RecordVector;
+ RecordVector DefPrototypes;
+
+ void dump() const;
+
+ MultiClass(const std::string &Name, SMLoc Loc, RecordKeeper &Records) :
+ Rec(Name, Loc, Records) {}
+};
+
+class RecordKeeper {
+ std::map<std::string, Record*> Classes, Defs;
+public:
+ ~RecordKeeper() {
+ for (std::map<std::string, Record*>::iterator I = Classes.begin(),
+ E = Classes.end(); I != E; ++I)
+ delete I->second;
+ for (std::map<std::string, Record*>::iterator I = Defs.begin(),
+ E = Defs.end(); I != E; ++I)
+ delete I->second;
+ }
+
+ const std::map<std::string, Record*> &getClasses() const { return Classes; }
+ const std::map<std::string, Record*> &getDefs() const { return Defs; }
+
+ Record *getClass(const std::string &Name) const {
+ std::map<std::string, Record*>::const_iterator I = Classes.find(Name);
+ return I == Classes.end() ? 0 : I->second;
+ }
+ Record *getDef(const std::string &Name) const {
+ std::map<std::string, Record*>::const_iterator I = Defs.find(Name);
+ return I == Defs.end() ? 0 : I->second;
+ }
+ void addClass(Record *R) {
+ assert(getClass(R->getName()) == 0 && "Class already exists!");
+ Classes.insert(std::make_pair(R->getName(), R));
+ }
+ void addDef(Record *R) {
+ assert(getDef(R->getName()) == 0 && "Def already exists!");
+ Defs.insert(std::make_pair(R->getName(), R));
+ }
+
+ /// removeClass - Remove, but do not delete, the specified record.
+ ///
+ void removeClass(const std::string &Name) {
+ assert(Classes.count(Name) && "Class does not exist!");
+ Classes.erase(Name);
+ }
+ /// removeDef - Remove, but do not delete, the specified record.
+ ///
+ void removeDef(const std::string &Name) {
+ assert(Defs.count(Name) && "Def does not exist!");
+ Defs.erase(Name);
+ }
+
+ //===--------------------------------------------------------------------===//
+ // High-level helper methods, useful for tablegen backends...
+
+ /// getAllDerivedDefinitions - This method returns all concrete definitions
+ /// that derive from the specified class name. If a class with the specified
+ /// name does not exist, an exception is thrown.
+ std::vector<Record*>
+ getAllDerivedDefinitions(const std::string &ClassName) const;
+
+ void dump() const;
+};
+
+/// LessRecord - Sorting predicate to sort record pointers by name.
+///
+struct LessRecord {
+ bool operator()(const Record *Rec1, const Record *Rec2) const {
+ return StringRef(Rec1->getName()).compare_numeric(Rec2->getName()) < 0;
+ }
+};
+
+/// LessRecordFieldName - Sorting predicate to sort record pointers by their
+/// name field.
+///
+struct LessRecordFieldName {
+ bool operator()(const Record *Rec1, const Record *Rec2) const {
+ return Rec1->getValueAsString("Name") < Rec2->getValueAsString("Name");
+ }
+};
+
+raw_ostream &operator<<(raw_ostream &OS, const RecordKeeper &RK);
+
+} // End llvm namespace
+
+#endif
diff --git a/include/llvm/TableGen/TableGenAction.h b/include/llvm/TableGen/TableGenAction.h
new file mode 100644
index 0000000..9f1c23c
--- /dev/null
+++ b/include/llvm/TableGen/TableGenAction.h
@@ -0,0 +1,34 @@
+//===- llvm/TableGen/TableGenAction.h - defines TableGenAction --*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the TableGenAction base class to be derived from by
+// tblgen tools.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TABLEGEN_TABLEGENACTION_H
+#define LLVM_TABLEGEN_TABLEGENACTION_H
+
+namespace llvm {
+
+class raw_ostream;
+class RecordKeeper;
+
+class TableGenAction {
+public:
+ virtual ~TableGenAction() {}
+
+ /// Perform the action using Records, and write output to OS.
+ /// @returns true on error, false otherwise
+ virtual bool operator()(raw_ostream &OS, RecordKeeper &Records) = 0;
+};
+
+}
+
+#endif
diff --git a/include/llvm/TableGen/TableGenBackend.h b/include/llvm/TableGen/TableGenBackend.h
new file mode 100644
index 0000000..853f92e
--- /dev/null
+++ b/include/llvm/TableGen/TableGenBackend.h
@@ -0,0 +1,43 @@
+//===- llvm/TableGen/TableGenBackend.h - Backend base class -----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// The TableGenBackend class is provided as a common interface for all TableGen
+// backends. It provides useful services and an standardized interface.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TABLEGEN_TABLEGENBACKEND_H
+#define LLVM_TABLEGEN_TABLEGENBACKEND_H
+
+#include "llvm/Support/raw_ostream.h"
+#include <string>
+
+namespace llvm {
+
+class Record;
+class RecordKeeper;
+
+struct TableGenBackend {
+ virtual ~TableGenBackend() {}
+
+ // run - All TableGen backends should implement the run method, which should
+ // be the main entry point.
+ virtual void run(raw_ostream &OS) = 0;
+
+
+public: // Useful helper routines...
+ /// EmitSourceFileHeader - Output a LLVM style file header to the specified
+ /// ostream.
+ void EmitSourceFileHeader(const std::string &Desc, raw_ostream &OS) const;
+
+};
+
+} // End llvm namespace
+
+#endif
generated by cgit v1.1 at 2025-01-09 00:25:12 +0000