diff options
Diffstat (limited to 'include/llvm/CodeGen/LiveInterval.h')
| -rw-r--r-- | include/llvm/CodeGen/LiveInterval.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/LiveInterval.h b/include/llvm/CodeGen/LiveInterval.h index 244be9c501..cb09a49666 100644 --- a/include/llvm/CodeGen/LiveInterval.h +++ b/include/llvm/CodeGen/LiveInterval.h @@ -399,6 +399,15 @@ namespace llvm { return r != end() && r->containsRange(Start, End); } + /// True iff this live range is a single segment that lies between the + /// specified boundaries, exclusively. Vregs live across a backedge are not + /// considered local. The boundaries are expected to lie within an extended + /// basic block, so vregs that are not live out should contain no holes. + bool isLocal(SlotIndex Start, SlotIndex End) const { + return beginIndex() > Start.getBaseIndex() && + endIndex() < End.getBoundaryIndex(); + } + /// removeRange - Remove the specified range from this interval. Note that /// the range must be a single LiveRange in its entirety. void removeRange(SlotIndex Start, SlotIndex End, |