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update comment.

llvm-svn: 49010
This commit is contained in:
Chris Lattner 2008-04-01 00:54:39 +00:00
parent c3d03d3f10
commit c7cc29f2a9

View File

@ -21,8 +21,9 @@
namespace llvm {
/// MachineRegisterInfo - Keep track of information for each virtual register,
/// including its register class.
/// MachineRegisterInfo - Keep track of information for virtual and physical
/// registers, including vreg register classes, use/def chains for registers,
/// etc.
class MachineRegisterInfo {
/// VRegInfo - Information we keep for each virtual register. The entries in
/// this vector are actually converted to vreg numbers by adding the