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Switch extendInBlock() to take a kill slot instead of the last use slot.

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Three out of four clients prefer this interface which is consistent with
extendIntervalEndTo() and LiveRangeCalc::extend().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139604 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2011-09-13 16:47:56 +00:00
parent c1c622ef0d
commit ee5655dca4
5 changed files with 17 additions and 20 deletions
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8
include/llvm/CodeGen/LiveInterval.h
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@ -452,10 +452,10 @@ 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);
/// extendInBlock - If this interval is live before Kill in the basic block
/// that starts at StartIdx, extend it to be live up to Kill, and return
/// the value. If there is no live range before Kill, return NULL.
VNInfo *extendInBlock(SlotIndex StartIdx, SlotIndex Kill);
/// join - Join two live intervals (this, and other) together. This applies
/// mappings to the value numbers in the LHS/RHS intervals as specified. If