2 Commits

Author	SHA1	Message	Date
Evan Phoenix	44e5dbcaf0	Extend ConstantFolding to understand signed overflow variants ... llvm-svn: 83338	2009-10-05 22:53:52 +00:00
Chris Lattner	59d939894b	teach the optimizer how to constant fold uadd/usub intrinsics. ... llvm-svn: 83295	2009-10-05 05:26:04 +00:00