Constify some methods. Patch provided by Anton Vayvod, thanks!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29756 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 7 insertions, 2 deletions

diff --git a/include/llvm/CodeGen/MachineFunction.h b/include/llvm/CodeGen/MachineFunction.h
index 0f511e3..340e2f9 100644
--- a/include/llvm/CodeGen/MachineFunction.h
+++ b/include/llvm/CodeGen/MachineFunction.h
@@ -165,6 +165,11 @@ public:
     return static_cast<Ty*>(MFInfo);
   }
 
+  template<typename Ty>
+  const Ty *getInfo() const {
+     return const_cast<MachineFunction*>(this)->getInfo<Ty>();
+  }
+
   /// setUsedPhysRegs - The register allocator should call this to initialized
   /// the UsedPhysRegs set.  This should be passed a new[]'d array with entries
   /// for all of the physical registers that the target supports.  Each array
diff --git a/include/llvm/Target/MRegisterInfo.h b/include/llvm/Target/MRegisterInfo.h
index 151274c..707061f 100644
--- a/include/llvm/Target/MRegisterInfo.h
+++ b/include/llvm/Target/MRegisterInfo.h
@@ -170,10 +170,10 @@ public:
   ///
   /// By default, these methods return all registers in the class.
   ///
-  virtual iterator allocation_order_begin(MachineFunction &MF) const {
+  virtual iterator allocation_order_begin(const MachineFunction &MF) const {
     return begin();
   }
-  virtual iterator allocation_order_end(MachineFunction &MF)   const {
+  virtual iterator allocation_order_end(const MachineFunction &MF)   const {
     return end();
   }