Fix comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126645 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp
index 7e208692ac2c5a5142e5c9fef08b0f146e621236..82f4f64fc65711b46f1ede7c6357275bf43f60cc 100644 (file)
--- a/lib/Analysis/ValueTracking.cpp
+++ b/lib/Analysis/ValueTracking.cpp
@@ -685,7 +685,7 @@ bool llvm::isPowerOfTwo(Value *V, const TargetData *TD, unsigned Depth) {
       isPowerOfTwo(SI->getFalseValue(), TD, Depth);
 
   // 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())) ||
       match(V, m_IDiv(m_Value(), m_Value()))) {
     BinaryOperator *BO = cast<BinaryOperator>(V);