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Replace linear search with logrithmic one.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20580 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-03-13 19:05:05 +00:00
parent e7ea48cb61
commit 2787e03d0e
1 changed files with 1 additions and 4 deletions
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5
lib/Analysis/DataStructure/DataStructure.cpp
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@ -443,10 +443,7 @@ bool DSNode::mergeTypeInfo(const Type *NewTy, unsigned Offset,
case Type::StructTyID: {
const StructType *STy = cast<StructType>(SubType);
const StructLayout &SL = *TD.getStructLayout(STy);
unsigned i = 0, e = SL.MemberOffsets.size();
for (; i+1 < e && SL.MemberOffsets[i+1] <= Offset-O; ++i)
/* empty */;
unsigned i = SL.getElementContainingOffset(Offset-O);
// The offset we are looking for must be in the i'th element...
SubType = STy->getElementType(i);