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[BasicAA] NFC - revised comment for function adjustToPointerSize()

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@259300 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gerolf Hoflehner 2016-01-30 05:58:38 +00:00
parent 86f53ba864
commit 729a217c15
1 changed files with 1 additions and 1 deletions
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lib/Analysis/BasicAliasAnalysis.cpp
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@ -323,7 +323,7 @@ static bool isObjectSize(const Value *V, uint64_t Size, const DataLayout &DL,
/// To ensure a pointer offset fits in an integer of size PointerSize
/// (in bits) when that size is smaller than 64. This is an issue in
/// particular for 32b programs with negative indices that rely on two's
/// complement wrap-arounds for correct alias information.
/// complement wrap-arounds for precise alias information.
static int64_t adjustToPointerSize(int64_t Offset, unsigned PointerSize) {
assert(PointerSize <= 64 && "Invalid PointerSize!");
unsigned ShiftBits = 64 - PointerSize;