Commit Graph

2 Commits

Author SHA1 Message Date
Owen Anderson 8e85130bb9 Fix another infinite loop in Reassociate caused by Constant::isZero().
Not all zero vectors are ConstantDataVector's.

llvm-svn: 253723
2015-11-20 22:34:48 +00:00
Owen Anderson 630077ef55 Fix a pair of issues that caused an infinite loop in reassociate.
Terrifyingly, one of them is a mishandling of floating point vectors
in Constant::isZero().  How exactly this issue survived this long
is beyond me.

llvm-svn: 253655
2015-11-20 08:16:13 +00:00