Adam Nemet b168c2514b [LLE] Don't hoist conditionally executed loads
If the load is conditional we can't hoist its 0-iteration instance to
the preheader because that would make it unconditional.  Thus we would
access a memory location that the original loop did not access.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273991 91177308-0d34-0410-b5e6-96231b3b80d8
2016-06-28 04:02:47 +00:00
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