diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/CodeGen/LiveIntervalAnalysis.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h index a06e310..d7ff8da 100644 --- a/include/llvm/CodeGen/LiveIntervalAnalysis.h +++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h @@ -112,10 +112,13 @@ namespace llvm { return (unsigned)(IntervalPercentage * indexes_->getFunctionSize()); } - /// conflictsWithPhysRegDef - Returns true if the specified register - /// is defined during the duration of the specified interval. - bool conflictsWithPhysRegDef(const LiveInterval &li, VirtRegMap &vrm, - unsigned reg); + /// conflictsWithPhysReg - Returns true if the specified register is used or + /// defined during the duration of the specified interval. Copies to and + /// from li.reg are allowed. This method is only able to analyze simple + /// ranges that stay within a single basic block. Anything else is + /// considered a conflict. + bool conflictsWithPhysReg(const LiveInterval &li, VirtRegMap &vrm, + unsigned reg); /// conflictsWithPhysRegRef - Similar to conflictsWithPhysRegRef except /// it can check use as well. |