Add const version of getLiveRangeForValue().
llvm-svn: 7386
diff --git a/llvm/lib/CodeGen/RegAlloc/LiveRangeInfo.h b/llvm/lib/CodeGen/RegAlloc/LiveRangeInfo.h
index 0425606..7b6ecb8 100644
--- a/llvm/lib/CodeGen/RegAlloc/LiveRangeInfo.h
+++ b/llvm/lib/CodeGen/RegAlloc/LiveRangeInfo.h
@@ -92,10 +92,15 @@
inline const LiveRangeMapType *getLiveRangeMap() const
{ return &LiveRangeMap; }
- // Method sed to get the corresponding live range of a Value
- //
- inline LiveRange *getLiveRangeForValue( const Value *Val)
- { return LiveRangeMap[Val]; }
+ // Method used to get the live range containing a Value.
+ // This may return NULL if no live range exists for a Value (eg, some consts)
+ inline LiveRange *getLiveRangeForValue(const Value *Val) {
+ return LiveRangeMap[Val];
+ }
+ inline const LiveRange *getLiveRangeForValue(const Value *Val) const {
+ LiveRangeMapType::const_iterator I = LiveRangeMap.find(Val);
+ return I->second;
+ }
// Method for coalescing live ranges. Called only after interference info
// is calculated.