Add non-const MachineBasicBlock::getParent() accessor method.
MBBs start out as #-1. When a MBB is added to a MachineFunction, it
gets the next available unique MBB number. If it is removed from a
MachineFunction, it goes back to being #-1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13514 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp
index b9f11e8..eccf389 100644
--- a/lib/CodeGen/MachineBasicBlock.cpp
+++ b/lib/CodeGen/MachineBasicBlock.cpp
@@ -26,6 +26,25 @@
return &MachineFunction::get(getBasicBlock()->getParent());
}
+MachineFunction *MachineBasicBlock::getParent() {
+ // Get the parent by getting the Function parent of the basic block, and
+ // getting the MachineFunction from it.
+ return &MachineFunction::get(getBasicBlock()->getParent());
+}
+
+// MBBs start out as #-1. When a MBB is added to a MachineFunction, it
+// gets the next available unique MBB number. If it is removed from a
+// MachineFunction, it goes back to being #-1.
+void ilist_traits<MachineBasicBlock>::addNodeToList (MachineBasicBlock* N)
+{
+ N->Number = N->getParent ()->getNextMBBNumber ();
+}
+
+void ilist_traits<MachineBasicBlock>::removeNodeFromList (MachineBasicBlock* N)
+{
+ N->Number = -1;
+}
+
MachineInstr* ilist_traits<MachineInstr>::createNode()
{