Add a comment about a missed opportunity.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94507 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-01-26 04:13:15 +00:00
parent df6d5e0394
commit 153f1ebeb8

View File

@ -540,6 +540,9 @@ ConstantRange::add(const ConstantRange &Other) const {
ConstantRange
ConstantRange::multiply(const ConstantRange &Other) const {
// TODO: If either operand is a single element, round the result min anx
// max value to the appropriate multiple of that element.
if (isEmptySet() || Other.isEmptySet())
return ConstantRange(getBitWidth(), /*isFullSet=*/false);
if (isFullSet() || Other.isFullSet())