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Fix comment.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126645 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2011-02-28 09:18:11 +00:00
parent 3dc7e49c70
commit da834093b7
1 changed files with 1 additions and 1 deletions
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lib/Analysis/ValueTracking.cpp
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@ -685,7 +685,7 @@ bool llvm::isPowerOfTwo(Value *V, const TargetData *TD, unsigned Depth) {
isPowerOfTwo(SI->getFalseValue(), TD, Depth); isPowerOfTwo(SI->getFalseValue(), TD, Depth);
// An exact divide or right shift can only shift off zero bits, so the result // An exact divide or right shift can only shift off zero bits, so the result
// is non-zero only if the first operand is non-zero. // is a power of two only if the first operand is a power of two.
if (match(V, m_Shr(m_Value(), m_Value())) || if (match(V, m_Shr(m_Value(), m_Value())) ||
match(V, m_IDiv(m_Value(), m_Value()))) { match(V, m_IDiv(m_Value(), m_Value()))) {
BinaryOperator *BO = cast<BinaryOperator>(V); BinaryOperator *BO = cast<BinaryOperator>(V);