1 Commits

Author SHA1 Message Date
Chris Lattner
cba8b4c7e8 Make instcombine's DSE respect loads as well as stores. It is not safe to
delete the first store in:

store x -> p
load p
store y -> p

This is for PR2297.

llvm-svn: 50859
2008-05-08 17:20:30 +00:00