Const-ify several TargetInstrInfo methods.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57622 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/MachineBasicBlock.h b/include/llvm/CodeGen/MachineBasicBlock.h
index 09cca93e2f..46a82884ef 100644
--- a/include/llvm/CodeGen/MachineBasicBlock.h
+++ b/include/llvm/CodeGen/MachineBasicBlock.h
@@ -102,6 +102,8 @@ public:
 
   MachineInstr& front() { return Insts.front(); }
   MachineInstr& back()  { return Insts.back(); }
+  const MachineInstr& front() const { return Insts.front(); }
+  const MachineInstr& back()  const { return Insts.back(); }
 
   iterator                begin()       { return Insts.begin();  }
   const_iterator          begin() const { return Insts.begin();  }