Add LeakDetection to MachineInstr.

Move out of line member functions of MachineBasicBlock to
MachineBasicBlock.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11497 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/MachineBasicBlock.h

@@ -24,8 +24,6 @@ namespace llvm {
 template <>
 class ilist_traits<MachineInstr>
 {
-  typedef ilist_traits<MachineInstr> self;
-
   // this is only set by the MachineBasicBlock owning the ilist
   friend class MachineBasicBlock;
   MachineBasicBlock* parent;
@@ -45,25 +43,13 @@ public:
   static void setPrev(MachineInstr* N, MachineInstr* prev) { N->prev = prev; }
   static void setNext(MachineInstr* N, MachineInstr* next) { N->next = next; }
 
-  static MachineInstr* createNode() { return new MachineInstr(0, 0); }
-
-  void addNodeToList(MachineInstr* N) {
-    assert(N->parent == 0 && "machine instruction already in a basic block");
-    N->parent = parent;
-  }
-
-  void removeNodeFromList(MachineInstr* N) {
-    assert(N->parent != 0 && "machine instruction not in a basic block");
-    N->parent = 0;
-  }
-
-  void transferNodesFromList(iplist<MachineInstr, self>& toList,
-                             ilist_iterator<MachineInstr> first,
-                             ilist_iterator<MachineInstr> last) {
-    if (parent != toList.parent)
-      for (; first != last; ++first)
-          first->parent = toList.parent;
-  }
+  static MachineInstr* createNode();
+  void addNodeToList(MachineInstr* N);
+  void removeNodeFromList(MachineInstr* N);
+  void transferNodesFromList(
+      iplist<MachineInstr, ilist_traits<MachineInstr> >& toList,
+      ilist_iterator<MachineInstr> first,
+      ilist_iterator<MachineInstr> last);
 };
 
 class BasicBlock;

include/llvm/CodeGen/MachineInstr.h

@@ -345,7 +345,6 @@ private:
   // Intrusive list support
   //
   friend class ilist_traits<MachineInstr>;
-  MachineInstr() : Opcode(0), numImplicitRefs(0) { /* used only by ilist */ }
 
 public:
   MachineInstr(short Opcode, unsigned numOperands);
@@ -363,6 +362,8 @@ public:
   ///
   MachineInstr(MachineBasicBlock *MBB, short Opcode, unsigned numOps);
   
+  ~MachineInstr();
+
   const MachineBasicBlock* getParent() const { return parent; }
   MachineBasicBlock* getParent() { return parent; }
 

lib/CodeGen/MachineBasicBlock.cpp

@@ -0,0 +1,68 @@
+//===-- llvm/CodeGen/MachineBasicBlock.cpp ----------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Collect the sequence of machine instructions for a basic block.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/MachineBasicBlock.h"
+
+#include "llvm/BasicBlock.h"
+#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineInstr.h"
+#include "Support/LeakDetector.h"
+#include <iostream>
+
+using namespace llvm;
+
+MachineInstr* ilist_traits<MachineInstr>::createNode()
+{
+    MachineInstr* dummy = new MachineInstr(0, 0);
+    LeakDetector::removeGarbageObject(dummy);
+    return dummy;
+}
+
+void ilist_traits<MachineInstr>::addNodeToList(MachineInstr* N)
+{
+    assert(N->parent == 0 && "machine instruction already in a basic block");
+    N->parent = parent;
+    LeakDetector::removeGarbageObject(N);
+}
+
+void ilist_traits<MachineInstr>::removeNodeFromList(MachineInstr* N)
+{
+    assert(N->parent != 0 && "machine instruction not in a basic block");
+    N->parent = 0;
+    LeakDetector::addGarbageObject(N);
+}
+
+void ilist_traits<MachineInstr>::transferNodesFromList(
+    iplist<MachineInstr, ilist_traits<MachineInstr> >& toList,
+    ilist_iterator<MachineInstr> first,
+    ilist_iterator<MachineInstr> last)
+{
+    if (parent != toList.parent)
+        for (; first != last; ++first)
+            first->parent = toList.parent;
+}
+
+void MachineBasicBlock::dump() const
+{
+    print(std::cerr);
+}
+
+void MachineBasicBlock::print(std::ostream &OS) const
+{
+    const BasicBlock *LBB = getBasicBlock();
+    OS << "\n" << LBB->getName() << " (" << (const void*)LBB << "):\n";
+    for (const_iterator I = begin(); I != end(); ++I) {
+        OS << "\t";
+        I->print(OS, MachineFunction::get(LBB->getParent()).getTarget());
+    }
+}

lib/CodeGen/MachineFunction.cpp

@@ -120,17 +120,6 @@ void MachineFunction::print(std::ostream &OS) const {
   OS << "\nEnd function \"" << Fn->getName() << "\"\n\n";
 }
 
-void MachineBasicBlock::dump() const { print(std::cerr); }
-
-void MachineBasicBlock::print(std::ostream &OS) const {
-  const BasicBlock *LBB = getBasicBlock();
-  OS << "\n" << LBB->getName() << " (" << (const void*)LBB << "):\n";
-  for (const_iterator I = begin(); I != end(); ++I) {
-    OS << "\t";
-    I->print(OS, MachineFunction::get(LBB->getParent()).getTarget());
-  }
-}
-
 // The next two methods are used to construct and to retrieve
 // the MachineCodeForFunction object for the given function.
 // construct() -- Allocates and initializes for a given function and target

lib/CodeGen/MachineInstr.cpp

@@ -20,6 +20,7 @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Target/MRegisterInfo.h"
+#include "Support/LeakDetector.h"
 
 namespace llvm {
 
@@ -38,6 +39,8 @@ MachineInstr::MachineInstr(short opcode, unsigned numOperands)
     numImplicitRefs(0),
     operands(numOperands, MachineOperand()),
     parent(0) {
+  // Make sure that we get added to a machine basicblock
+  LeakDetector::addGarbageObject(this);
 }
 
 /// MachineInstr ctor - This constructor only does a _reserve_ of the operands,
@@ -48,6 +51,8 @@ MachineInstr::MachineInstr(short opcode, unsigned numOperands)
 MachineInstr::MachineInstr(short opcode, unsigned numOperands, bool XX, bool YY)
   : Opcode(opcode), numImplicitRefs(0), parent(0) {
   operands.reserve(numOperands);
+  // Make sure that we get added to a machine basicblock
+  LeakDetector::addGarbageObject(this);
 }
 
 /// MachineInstr ctor - Work exactly the same as the ctor above, except that the
@@ -58,9 +63,16 @@ MachineInstr::MachineInstr(MachineBasicBlock *MBB, short opcode,
   : Opcode(opcode), numImplicitRefs(0), parent(0) {
   assert(MBB && "Cannot use inserting ctor with null basic block!");
   operands.reserve(numOperands);
+  // Make sure that we get added to a machine basicblock
+  LeakDetector::addGarbageObject(this);
   MBB->push_back(this);  // Add instruction to end of basic block!
 }
 
+MachineInstr::~MachineInstr()
+{
+  LeakDetector::removeGarbageObject(this);
+}
+
 /// OperandComplete - Return true if it's illegal to add a new operand
 ///
 bool MachineInstr::OperandsComplete() const {