Add a FIXME about preferred alignment to DataLayout.

Essentially DataLayout is global and affects the layout of ABI
level objects. Preferred alignment could change on a per function
basis as we change CPU features.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227118 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2015-01-26 19:19:04 +00:00
parent 48e872230d
commit afb6a4fe7f

View File

@ -53,6 +53,11 @@ enum AlignTypeEnum {
AGGREGATE_ALIGN = 'a'
};
// FIXME: Currently the DataLayout string carries a "preferred alignment"
// for types. As the DataLayout is module/global, this should likely be
// sunk down to an FTTI element that is queried rather than a global
// preference.
/// \brief Layout alignment element.
///
/// Stores the alignment data associated with a given alignment type (integer,