Increase constness.

llvm-svn: 11322

2 files changed, 6 insertions, 4 deletions

diff --git a/llvm/lib/Target/Sparc/LiveVar/BBLiveVar.cpp b/llvm/lib/Target/Sparc/LiveVar/BBLiveVar.cpp
index f54b42ab12a..be09e62ae43 100644
--- a/llvm/lib/Target/Sparc/LiveVar/BBLiveVar.cpp
+++ b/llvm/lib/Target/Sparc/LiveVar/BBLiveVar.cpp
@@ -21,7 +21,9 @@
 
 namespace llvm {
 
-BBLiveVar::BBLiveVar(const BasicBlock &bb, MachineBasicBlock &mbb, unsigned id)
+BBLiveVar::BBLiveVar(const BasicBlock &bb,
+                     const MachineBasicBlock &mbb,
+                     unsigned id)
   : BB(bb), MBB(mbb), POID(id) {
   InSetChanged = OutSetChanged = false;
 
diff --git a/llvm/lib/Target/Sparc/LiveVar/BBLiveVar.h b/llvm/lib/Target/Sparc/LiveVar/BBLiveVar.h
index 781143a93df..7e5c72e3e46 100644
--- a/llvm/lib/Target/Sparc/LiveVar/BBLiveVar.h
+++ b/llvm/lib/Target/Sparc/LiveVar/BBLiveVar.h
@@ -35,7 +35,7 @@ extern LiveVarDebugLevel_t DEBUG_LV;
 
 class BBLiveVar {
   const BasicBlock &BB;         // pointer to BasicBlock
-  MachineBasicBlock &MBB;       // Pointer to MachineBasicBlock
+  const MachineBasicBlock &MBB; // Pointer to MachineBasicBlock
   unsigned POID;                // Post-Order ID
 
   ValueSet DefSet;           // Def set (with no preceding uses) for LV analysis
@@ -61,12 +61,12 @@ class BBLiveVar {
   void calcDefUseSets();         // calculates the Def & Use sets for this BB
 public:
 
-  BBLiveVar(const BasicBlock &BB, MachineBasicBlock &MBB, unsigned POID);
+  BBLiveVar(const BasicBlock &BB, const MachineBasicBlock &MBB, unsigned POID);
 
   inline bool isInSetChanged() const  { return InSetChanged; }    
   inline bool isOutSetChanged() const { return OutSetChanged; }
 
-  MachineBasicBlock &getMachineBasicBlock() const { return MBB; }
+  const MachineBasicBlock &getMachineBasicBlock() const { return MBB; }
 
   inline unsigned getPOId() const { return POID; }