Manman Ren 5d43c19d9e MachineCSE: Update the heuristics for isProfitableToCSE.
If the result of a common subexpression is used at all uses of the candidate
expression, CSE should not increase the live range of the common subexpression.

rdar://11393714 and rdar://11819721

llvm-svn: 161396
2012-08-07 06:16:46 +00:00
..
2012-07-23 08:51:15 +00:00