Elaborate on a comment.

llvm-svn: 102637
This commit is contained in:
Dan Gohman 2010-04-29 16:57:54 +00:00
parent 780c6fe8ba
commit 78c9ada867

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@ -95,8 +95,11 @@ namespace ISD {
// execution to HANDLER. Many platform-related details also :)
EH_RETURN,
// TargetConstant* - Like Constant*, but the DAG does not do any folding or
// simplification of the constant.
// TargetConstant* - Like Constant*, but the DAG does not do any folding,
// simplification, or lowering of the constant. They are used for constants
// which are known to fit in the immediate fields of their users, or for
// carrying magic numbers which are not values which need to be materialized
// in registers.
TargetConstant,
TargetConstantFP,