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use calloc instead of new/memset, it is more efficient

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35644 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2007-04-04 00:44:31 +00:00
parent cb917f7abd
commit d2f197da59
2 changed files with 3 additions and 5 deletions
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lib/Support/StringMap.cpp
+2 -4
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@@ -38,8 +38,7 @@ void StringMapImpl::init(unsigned InitSize) {
NumItems = 0;
NumTombstones = 0;
TheTable = new ItemBucket[NumBuckets+1]();
memset(TheTable, 0, NumBuckets*sizeof(ItemBucket));
TheTable = (ItemBucket*)calloc(NumBuckets+1, sizeof(ItemBucket));
// Allocate one extra bucket, set it to look filled so the iterators stop at
// end.
@@ -200,8 +199,7 @@ void StringMapImpl::RehashTable() {
unsigned NewSize = NumBuckets*2;
// Allocate one extra bucket which will always be non-empty. This allows the
// iterators to stop at end.
ItemBucket *NewTableArray = new ItemBucket[NewSize+1]();
memset(NewTableArray, 0, NewSize*sizeof(ItemBucket));
ItemBucket *NewTableArray =(ItemBucket*)calloc(NewSize+1, sizeof(ItemBucket));
NewTableArray[NewSize].Item = (StringMapEntryBase*)2;
// Rehash all the items into their new buckets. Luckily :) we already have