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simplify code.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95074 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Zhongxing Xu 2010-02-02 06:33:32 +00:00
parent bd46725476
commit fcad6bdc17
1 changed files with 6 additions and 9 deletions
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15
include/llvm/ADT/ImmutableIntervalMap.h
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@ -156,28 +156,25 @@ private:
// Current key overlaps with the inserted key.
// Remove the current key.
Changed = true;
TreeTy *OldNode = T;
data_type_ref OldData = ImutInfo::DataOfValue(Value(T));
T = Remove_internal(CurrentK, T);
// Add back the unoverlapped part of the current key.
if (CurrentK.getStart() < K.getStart()) {
if (CurrentK.getEnd() <= K.getEnd()) {
Interval NewK(CurrentK.getStart(), K.getStart()-1);
return Add_internal(std::make_pair<key_type, data_type>(NewK,
ImutInfo::DataOfValue(Value(OldNode))), T);
return Add_internal(std::make_pair(NewK, OldData), T);
} else {
Interval NewK1(CurrentK.getStart(), K.getStart()-1);
T = Add_internal(std::make_pair<key_type, data_type>(NewK1,
ImutInfo::DataOfValue(Value(OldNode))), T);
T = Add_internal(std::make_pair(NewK1, OldData), T);
Interval NewK2(K.getEnd()+1, CurrentK.getEnd());
return Add_internal(std::make_pair<key_type, data_type>(NewK2,
ImutInfo::DataOfValue(Value(OldNode))), T);
return Add_internal(std::make_pair(NewK2, OldData), T);
}
} else {
if (CurrentK.getEnd() > K.getEnd()) {
Interval NewK(K.getEnd()+1, CurrentK.getEnd());
return Add_internal(std::make_pair<key_type, data_type>(NewK,
ImutInfo::DataOfValue(Value(OldNode))), T);
return Add_internal(std::make_pair(NewK, OldData), T);
}
}
}