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authorJakob Stoklund Olesen <stoklund@2pi.dk>2011-03-02 00:06:15 +0000
committerJakob Stoklund Olesen <stoklund@2pi.dk>2011-03-02 00:06:15 +0000
commit9763e2bf39b84f18bd464b0cda61fe1cd98dcaae (patch)
tree5dc7d40b83ab0a2124e236fb408b680447f81bdc /include/llvm/CodeGen/LiveInterval.h
parentedb87555e466e781087e18936f427816c952f3e7 (diff)
Move LiveIntervalMap::extendTo into LiveInterval itself.
This method could probably be used by LiveIntervalAnalysis::shrinkToUses, and now it can use extendIntervalEndTo() which coalesces ranges. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126803 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/LiveInterval.h')
-rw-r--r--include/llvm/CodeGen/LiveInterval.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/LiveInterval.h b/include/llvm/CodeGen/LiveInterval.h
index 88131fbc40..427af87960 100644
--- a/include/llvm/CodeGen/LiveInterval.h
+++ b/include/llvm/CodeGen/LiveInterval.h
@@ -447,6 +447,11 @@ namespace llvm {
addRangeFrom(LR, ranges.begin());
}
+ /// extendInBlock - If this interval is live before UseIdx in the basic
+ /// block that starts at StartIdx, extend it to be live at UseIdx and return
+ /// the value. If there is no live range before UseIdx, return NULL.
+ VNInfo *extendInBlock(SlotIndex StartIdx, SlotIndex UseIdx);
+
/// join - Join two live intervals (this, and other) together. This applies
/// mappings to the value numbers in the LHS/RHS intervals as specified. If
/// the intervals are not joinable, this aborts.