Eliminate the last use of InterferenceResult.
The Query class now holds two iterators instead of an InterferenceResult
instance. The iterators are used as bookmarks for repeated
collectInterferingVRegs calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137380 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalUnion.h b/lib/CodeGen/LiveIntervalUnion.h
index 570ad94..8f4bb00 100644
--- a/lib/CodeGen/LiveIntervalUnion.h
+++ b/lib/CodeGen/LiveIntervalUnion.h
@@ -142,7 +142,8 @@
class Query {
LiveIntervalUnion *LiveUnion;
LiveInterval *VirtReg;
- InterferenceResult FirstInterference;
+ LiveInterval::iterator VirtRegI; // current position in VirtReg
+ SegmentIter LiveUnionI; // current position in LiveUnion
SmallVector<LiveInterval*,4> InterferingVRegs;
bool CheckedFirstInterference;
bool SeenAllInterferences;
@@ -217,8 +218,7 @@
void operator=(const Query&); // DO NOT IMPLEMENT
// Private interface for queries
- const InterferenceResult &firstInterference();
- void findIntersection(InterferenceResult &IR) const;
+ void findIntersection();
};
};