From c07d8d8a26f63dfc54dbd0e1ff776763ec6443ad Mon Sep 17 00:00:00 2001
From: Brian Gaeke <gaeke@uiuc.edu>
Date: Wed, 12 May 2004 21:35:20 +0000
Subject: [PATCH] Add a Number field w/ accessor method, for function-level
 unique numbering of MBBs.

Add non-const MachineBasicBlock::getParent() accessor method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13512 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/CodeGen/MachineBasicBlock.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/include/llvm/CodeGen/MachineBasicBlock.h b/include/llvm/CodeGen/MachineBasicBlock.h
index 5faf2a21a97..f12c20008c9 100644
--- a/include/llvm/CodeGen/MachineBasicBlock.h
+++ b/include/llvm/CodeGen/MachineBasicBlock.h
@@ -63,9 +63,11 @@ public:
   const BasicBlock *BB;
   std::vector<MachineBasicBlock *> Predecessors;
   std::vector<MachineBasicBlock *> Successors;
+  int Number;
 
 public:
-  MachineBasicBlock(const BasicBlock *bb = 0) : Prev(0), Next(0), BB(bb) {
+  MachineBasicBlock(const BasicBlock *bb = 0) : Prev(0), Next(0), BB(bb),
+                                                Number(-1) {
     Insts.parent = this;
   }
   ~MachineBasicBlock() {}
@@ -78,6 +80,7 @@ public:
   /// getParent - Return the MachineFunction containing this basic block.
   ///
   const MachineFunction *getParent() const;
+        MachineFunction *getParent();
 
   typedef ilist<MachineInstr>::iterator                       iterator;
   typedef ilist<MachineInstr>::const_iterator           const_iterator;
@@ -158,6 +161,10 @@ public:
   void dump() const;
   void print(std::ostream &OS) const;
 
+  // MachineBasicBlocks are uniquely numbered at the function level
+  // (unless they're not in a MachineFunction yet)
+  int getNumber() const { return Number; }
+
 private:   // Methods used to maintain doubly linked list of blocks...
   friend class ilist_traits<MachineBasicBlock>;
 
-- 
2.34.1