Add some machine CFG related stuff

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15352 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h
index eac9d8a37e..3a01ab0fbf 100644
--- a/include/llvm/CodeGen/MachineInstr.h
+++ b/include/llvm/CodeGen/MachineInstr.h
@@ -255,6 +255,10 @@ public:
     assert(isMachineBasicBlock() && "Wrong MachineOperand accessor");
     return contents.MBB;
   }
+  void setMachineBasicBlock(MachineBasicBlock *MBB) {
+    assert(isMachineBasicBlock() && "Wrong MachineOperand accessor");
+    contents.MBB = MBB;
+  }
   int getFrameIndex() const {
     assert(isFrameIndex() && "Wrong MachineOperand accessor");
     return contents.immedVal;