Initial checkin of the InlineAsm class

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25570 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/InlineAsm.h

@@ -0,0 +1,89 @@
+//===-- llvm/InlineAsm.h - Class to represent inline asm strings-*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Chris Lattner and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class represents the inline asm strings, which are Value*'s that are
+// used as the callee operand of call instructions.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_INLINEASM_H
+#define LLVM_INLINEASM_H
+
+#include "llvm/Value.h"
+
+namespace llvm {
+
+class AssemblyAnnotationWriter;
+class PointerType;
+class FunctionType;
+class Module;
+template<typename SC> struct ilist_traits;
+template<typename ValueSubClass, typename ItemParentClass, typename SymTabClass,
+         typename SubClass> class SymbolTableListTraits;
+
+class InlineAsm : public Value {
+  friend class SymbolTableListTraits<InlineAsm, Module, Module,
+                                     ilist_traits<InlineAsm> >;
+  InlineAsm(const InlineAsm &);             // do not implement
+  void operator=(const InlineAsm&);         // do not implement
+
+  void setParent(Module *Parent);
+  InlineAsm *Prev, *Next;
+  void setNext(InlineAsm *N) { Next = N; }
+  void setPrev(InlineAsm *N) { Prev = N; }
+        InlineAsm *getNext()       { return Next; }
+  const InlineAsm *getNext() const { return Next; }
+        InlineAsm *getPrev()       { return Prev; }
+  const InlineAsm *getPrev() const { return Prev; }
+  
+  Module *Parent;
+  std::string AsmString, Constraints;
+  bool AsmHasSideEffects;
+public:
+  InlineAsm(const FunctionType *Ty, const std::string &AsmString,
+            const std::string &Constraints, bool hasSideEffects,
+            const std::string &Name = "", Module *ParentModule = 0);
+  
+  bool getHasSideEffects() const { return AsmHasSideEffects; }
+  void setSideEffects(bool X) { AsmHasSideEffects = X; }
+  
+  /// getType - InlineAsm's are always pointers.
+  ///
+  const PointerType *getType() const {
+    return reinterpret_cast<const PointerType*>(Value::getType());
+  }
+  
+  /// getFunctionType - InlineAsm's are always pointers to functions.
+  ///
+  const FunctionType *getFunctionType() const;
+
+  /// getParent - Get the module that this global value is contained inside
+  /// of...
+  Module *getParent() { return Parent; }
+  const Module *getParent() const { return Parent; }
+
+  
+  /// removeFromParent/eraseFromParent - Unlink and unlink/delete this object
+  /// from the module it is embedded into.
+  void removeFromParent();
+  void eraseFromParent();
+  
+  virtual void print(std::ostream &O) const { print(O, 0); }
+  void print(std::ostream &OS, AssemblyAnnotationWriter *AAW) const;
+
+  // Methods for support type inquiry through isa, cast, and dyn_cast:
+  static inline bool classof(const InlineAsm *) { return true; }
+  static inline bool classof(const Value *V) {
+    return V->getValueType() == Value::InlineAsmVal;
+  }
+};
+
+} // End llvm namespace
+
+#endif

include/llvm/Module.h

@@ -21,6 +21,7 @@
 
 #include "llvm/Function.h"
 #include "llvm/GlobalVariable.h"
+#include "llvm/InlineAsm.h"
 #include "llvm/ADT/SetVector.h"
 #include "llvm/Support/DataTypes.h"
 
@@ -45,11 +46,19 @@ template<> struct ilist_traits<GlobalVariable>
   static void destroySentinel(GlobalVariable *GV) { delete GV; }
   static iplist<GlobalVariable> &getList(Module *M);
 };
+template<> struct ilist_traits<InlineAsm>
+: public SymbolTableListTraits<InlineAsm, Module, Module> {
+  // createSentinel is used to create a node that marks the end of the list.
+  static InlineAsm *createSentinel();
+  static void destroySentinel(InlineAsm *GV) { delete GV; }
+  static iplist<InlineAsm> &getList(Module *M);
+};
 
 class Module {
 public:
   typedef iplist<GlobalVariable> GlobalListType;
   typedef iplist<Function> FunctionListType;
+  typedef iplist<InlineAsm> InlineAsmListType;
   typedef SetVector<std::string> LibraryListType;
 
   // Global Variable iterators.
@@ -60,6 +69,10 @@ public:
   typedef FunctionListType::iterator                          iterator;
   typedef FunctionListType::const_iterator              const_iterator;
 
+  // Inline Asm iterators.
+  typedef InlineAsmListType::iterator               inlineasm_iterator;
+  typedef InlineAsmListType::const_iterator   const_inlineasm_iterator;
+  
   // Library list iterators.
   typedef LibraryListType::const_iterator lib_iterator;
 
@@ -69,6 +82,7 @@ public:
 private:
   GlobalListType GlobalList;     // The Global Variables in the module
   FunctionListType FunctionList; // The Functions in the module
+  InlineAsmListType InlineAsmList; // The inline asm objects in the module.
   LibraryListType LibraryList;   // The Libraries needed by the module
   std::string GlobalScopeAsm;    // Inline Asm at global scope.
   SymbolTable *SymTab;           // Symbol Table for the module
@@ -98,8 +112,8 @@ public:
   void setPointerSize(PointerSize PS) { PtrSize = PS; }
 
   // Access to any module-scope inline asm blocks.
-  const std::string &getInlineAsm() const { return GlobalScopeAsm; }
-  void setInlineAsm(const std::string &Asm) { GlobalScopeAsm = Asm; }
+  const std::string &getModuleInlineAsm() const { return GlobalScopeAsm; }
+  void setModuleInlineAsm(const std::string &Asm) { GlobalScopeAsm = Asm; }
   
   //===--------------------------------------------------------------------===//
   // Methods for easy access to the functions in the module.
@@ -174,17 +188,19 @@ public:
   // table.
   //
 
-  /// Get the underlying elements of the Module...
-  inline const GlobalListType &getGlobalList() const  { return GlobalList; }
-  inline       GlobalListType &getGlobalList()        { return GlobalList; }
-  inline const FunctionListType &getFunctionList() const { return FunctionList;}
-  inline       FunctionListType &getFunctionList()       { return FunctionList;}
+  // Get the underlying elements of the Module.
+  const GlobalListType &getGlobalList() const       { return GlobalList; }
+        GlobalListType &getGlobalList()             { return GlobalList; }
+  const FunctionListType &getFunctionList() const   { return FunctionList; }
+        FunctionListType &getFunctionList()         { return FunctionList; }
+  const InlineAsmListType &getInlineAsmList() const { return InlineAsmList; }
+        InlineAsmListType &getInlineAsmList()       { return InlineAsmList; }
 
   /// getSymbolTable() - Get access to the symbol table for the module, where
   /// global variables and functions are identified.
   ///
-  inline       SymbolTable &getSymbolTable()       { return *SymTab; }
-  inline const SymbolTable &getSymbolTable() const { return *SymTab; }
+        SymbolTable &getSymbolTable()       { return *SymTab; }
+  const SymbolTable &getSymbolTable() const { return *SymTab; }
 
 
   //===--------------------------------------------------------------------===//
@@ -198,14 +214,29 @@ public:
   bool                  global_empty() const { return GlobalList.empty(); }
 
   // FunctionList interface
-  inline iterator                begin()       { return FunctionList.begin(); }
-  inline const_iterator          begin() const { return FunctionList.begin(); }
-  inline iterator                end  ()       { return FunctionList.end();   }
-  inline const_iterator          end  () const { return FunctionList.end();   }
+  iterator                begin()       { return FunctionList.begin(); }
+  const_iterator          begin() const { return FunctionList.begin(); }
+  iterator                end  ()       { return FunctionList.end();   }
+  const_iterator          end  () const { return FunctionList.end();   }
 
-  inline size_t                   size() const { return FunctionList.size(); }
-  inline bool                    empty() const { return FunctionList.empty(); }
+  size_t                   size() const { return FunctionList.size(); }
+  bool                    empty() const { return FunctionList.empty(); }
 
+  // Inline Asm list interface
+  inlineasm_iterator inlineasm_begin() {
+    return InlineAsmList.begin();
+  }
+  const_inlineasm_iterator inlineasm_begin() const {
+    return InlineAsmList.begin();
+  }
+  inlineasm_iterator inlineasm_end() {
+    return InlineAsmList.end();
+  }
+  const_inlineasm_iterator inlineasm_end() const {
+    return InlineAsmList.end();
+  }
+  bool inlineasm_empty() const { return InlineAsmList.empty(); }
+  
   //===--------------------------------------------------------------------===//
   // List of dependent library access functions
 

include/llvm/Value.h

@@ -155,6 +155,7 @@ public:
     ConstantStructVal,        // This is an instance of ConstantStruct
     ConstantPackedVal,        // This is an instance of ConstantPacked
     ConstantPointerNullVal,   // This is an instance of ConstantPointerNull
+    InlineAsmVal,             // This is an instance of InlineAsm
     InstructionVal,           // This is an instance of Instruction
     
     // Markers:
@@ -166,7 +167,7 @@ public:
   }
 
   // Methods for support type inquiry through isa, cast, and dyn_cast:
-  static inline bool classof(const Value * /*V*/) {
+  static inline bool classof(const Value *) {
     return true; // Values are always values.
   }
 

lib/VMCore/AsmWriter.cpp

@@ -775,9 +775,9 @@ void AssemblyWriter::printModule(const Module *M) {
   if (!M->getTargetTriple().empty())
     Out << "target triple = \"" << M->getTargetTriple() << "\"\n";
 
-  if (!M->getInlineAsm().empty()) {
+  if (!M->getModuleInlineAsm().empty()) {
     // Split the string into lines, to make it easier to read the .ll file.
-    std::string Asm = M->getInlineAsm();
+    std::string Asm = M->getModuleInlineAsm();
     size_t CurPos = 0;
     size_t NewLine = Asm.find_first_of('\n', CurPos);
     while (NewLine != std::string::npos) {
@@ -1269,6 +1269,14 @@ void Function::print(std::ostream &o, AssemblyAnnotationWriter *AAW) const {
   W.write(this);
 }
 
+void InlineAsm::print(std::ostream &o, AssemblyAnnotationWriter *AAW) const {
+  SlotMachine SlotTable(getParent());
+  AssemblyWriter W(o, SlotTable, getParent(), AAW);
+  
+  assert(0 && "Inline asm printing unimplemented!");
+  //W.write(this);
+}
+
 void BasicBlock::print(std::ostream &o, AssemblyAnnotationWriter *AAW) const {
   SlotMachine SlotTable(getParent());
   AssemblyWriter W(o, SlotTable,

lib/VMCore/Globals.cpp

@@ -1,4 +1,4 @@
-//===-- Globals.cpp - Implement the Global object classes -----------------===//
+//===-- Globals.cpp - Implement the GlobalValue & GlobalVariable class ----===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -12,8 +12,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/DerivedTypes.h"
 #include "llvm/GlobalVariable.h"
+#include "llvm/DerivedTypes.h"
 #include "llvm/Module.h"
 #include "llvm/SymbolTable.h"
 #include "llvm/Support/LeakDetector.h"

lib/VMCore/InlineAsm.cpp

@@ -0,0 +1,50 @@
+//===-- InlineAsm.cpp - Implement the InlineAsm class ---------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Chris Lattner and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the InlineAsm class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/InlineAsm.h"
+#include "llvm/DerivedTypes.h"
+#include "llvm/Module.h"
+#include "llvm/Support/LeakDetector.h"
+using namespace llvm;
+
+InlineAsm::InlineAsm(const FunctionType *Ty, const std::string &asmString,
+                     const std::string &constraints, bool hasSideEffects,
+                     const std::string &name, Module *ParentModule)
+  : Value(PointerType::get(Ty), Value::InlineAsmVal, name), 
+    Parent(0), AsmString(asmString), Constraints(constraints), 
+    AsmHasSideEffects(hasSideEffects) {
+  LeakDetector::addGarbageObject(this);
+
+  if (ParentModule)
+    ParentModule->getInlineAsmList().push_back(this);
+}
+
+const FunctionType *InlineAsm::getFunctionType() const {
+  return cast<FunctionType>(getType()->getElementType());
+}
+
+void InlineAsm::setParent(Module *parent) {
+  if (getParent())
+    LeakDetector::addGarbageObject(this);
+  Parent = parent;
+  if (getParent())
+    LeakDetector::removeGarbageObject(this);
+}
+
+void InlineAsm::removeFromParent() {
+  getParent()->getInlineAsmList().remove(this);
+}
+
+void InlineAsm::eraseFromParent() {
+  getParent()->getInlineAsmList().erase(this);
+}

lib/VMCore/Module.cpp

@@ -44,17 +44,30 @@ GlobalVariable *ilist_traits<GlobalVariable>::createSentinel() {
   return Ret;
 }
 
+InlineAsm *ilist_traits<InlineAsm>::createSentinel() {
+  InlineAsm *Ret = new InlineAsm(FunctionType::get(Type::VoidTy, 
+                                    std::vector<const Type*>(), false), "", "",
+                                 false);
+  // This should not be garbage monitored.
+  LeakDetector::removeGarbageObject(Ret);
+  return Ret;
+}
+
 iplist<Function> &ilist_traits<Function>::getList(Module *M) {
   return M->getFunctionList();
 }
 iplist<GlobalVariable> &ilist_traits<GlobalVariable>::getList(Module *M) {
   return M->getGlobalList();
 }
+iplist<InlineAsm> &ilist_traits<InlineAsm>::getList(Module *M) {
+  return M->getInlineAsmList();
+}
 
 // Explicit instantiations of SymbolTableListTraits since some of the methods
-// are not in the public header file...
+// are not in the public header file.
 template class SymbolTableListTraits<GlobalVariable, Module, Module>;
 template class SymbolTableListTraits<Function, Module, Module>;
+template class SymbolTableListTraits<InlineAsm, Module, Module>;
 
 //===----------------------------------------------------------------------===//
 // Primitive Module methods.
@@ -66,6 +79,8 @@ Module::Module(const std::string &MID)
   FunctionList.setParent(this);
   GlobalList.setItemParent(this);
   GlobalList.setParent(this);
+  InlineAsmList.setItemParent(this);
+  InlineAsmList.setParent(this);
   SymTab = new SymbolTable();
 }
 
@@ -75,6 +90,8 @@ Module::~Module() {
   GlobalList.setParent(0);
   FunctionList.clear();
   FunctionList.setParent(0);
+  InlineAsmList.clear();
+  InlineAsmList.setParent(0);
   LibraryList.clear();
   delete SymTab;
 }