Commit Graph

2 Commits

Author SHA1 Message Date
Andrew Trick
f08c115e6c LSR critical edge splitting fix for PR13756.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164147 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 17:51:33 +00:00
Andrew Trick
f143b79b78 LSR should avoid redundant edge splitting.
This handles the case in which LSR rewrites an IV user that is a phi and
splits critical edges originating from a switch.
Fixes <rdar://problem/6453893> LSR is not splitting edges "nicely"


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141059 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-04 03:50:44 +00:00