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[BasicAA] Fix stale comment (NFC) 

DataLayout is always around...
This commit is contained in:
Nikita Popov 2020-10-17 22:09:32 +02:00
parent 2a75e956e5
commit 3c6fe0fc77
1 changed files with 4 additions and 5 deletions
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9
llvm/lib/Analysis/BasicAliasAnalysis.cpp
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@ -411,11 +411,10 @@ static unsigned getMaxPointerSize(const DataLayout &DL) {
/// specified amount, but which may have other unrepresented high bits. As
/// such, the gep cannot necessarily be reconstructed from its decomposed form.
///
/// When DataLayout is around, this function is capable of analyzing everything
/// that getUnderlyingObject can look through. To be able to do that
/// getUnderlyingObject and DecomposeGEPExpression must use the same search
/// depth (MaxLookupSearchDepth). When DataLayout not is around, it just looks
/// through pointer casts.
/// This function is capable of analyzing everything that getUnderlyingObject
/// can look through. To be able to do that getUnderlyingObject and
/// DecomposeGEPExpression must use the same search depth
/// (MaxLookupSearchDepth).
bool BasicAAResult::DecomposeGEPExpression(const Value *V,
DecomposedGEP &Decomposed, const DataLayout &DL, AssumptionCache *AC,
DominatorTree *DT) {