diff options
Diffstat (limited to 'llvm/lib/CodeGen/RegAlloc')
| -rw-r--r-- | llvm/lib/CodeGen/RegAlloc/LiveRangeInfo.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/RegAlloc/LiveRangeInfo.h b/llvm/lib/CodeGen/RegAlloc/LiveRangeInfo.h index 0425606b1c9..7b6ecb8db65 100644 --- a/llvm/lib/CodeGen/RegAlloc/LiveRangeInfo.h +++ b/llvm/lib/CodeGen/RegAlloc/LiveRangeInfo.h @@ -92,10 +92,15 @@ public: 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. |
