Edit comment for accuracy
llvm-svn: 8562
diff --git a/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.h b/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.h
index 195275f..7e86b12 100644
--- a/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.h
+++ b/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.h
@@ -61,9 +61,9 @@
const TargetRegInfo &MRI; // Machine Register information
const unsigned NumOfRegClasses; // recorded here for efficiency
- // Map to indicate whether operands of each MachineInstr have been updated
- // according to their assigned colors. This is primarily for debugging and
- // could be removed in the long run.
+ // Map to indicate whether operands of each MachineInstr have been
+ // updated according to their assigned colors. This is only used in
+ // assertion checking (debug builds).
std::map<const MachineInstr *, bool> OperandsColoredMap;
// AddedInstrMap - Used to store instrns added in this phase