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Clarify the language. Pointed out by Duncan Sands.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39857 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2007-07-14 17:41:03 +00:00
parent 6d4b711e7f
commit 28753f8df2
2 changed files with 9 additions and 4 deletions
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7
include/llvm/Support/ConstantRange.h
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@ -145,8 +145,11 @@ class ConstantRange {
/// maximalIntersectWith - Return the range that results from the intersection
/// of this range with another range. The resultant range is guaranteed to
/// include all elements contained in both input ranges, and is also
/// guaranteed to be the smallest possible set that does so.
/// include all elements contained in both input ranges, and to have the
/// smallest possible set size that does so. Because there may be two
/// intersections with the same set size, A.maximalIntersectWith(B) might not
/// be equal to B.maximalIntersectWith(A).
///
ConstantRange maximalIntersectWith(const ConstantRange &CR) const;
/// unionWith - Return the range that results from the union of this range

6
lib/Support/ConstantRange.cpp
View File

@ -248,8 +248,10 @@ ConstantRange ConstantRange::intersectWith(const ConstantRange &CR) const {
/// maximalIntersectWith - Return the range that results from the intersection
/// of this range with another range. The resultant range is guaranteed to
/// include all elements contained in both input ranges, and is also guaranteed
/// to be the smallest possible set that does so.
/// include all elements contained in both input ranges, and to have the
/// smallest possible set size that does so. Because there may be two
/// intersections with the same set size, A.maximalIntersectWith(B) might not
/// be equal to B.maximalIntersect(A).
ConstantRange ConstantRange::maximalIntersectWith(const ConstantRange &CR) const {
assert(getBitWidth() == CR.getBitWidth() &&
"ConstantRange types don't agree!");