David Green 8b2132abbe [ConstantFolding] Fix to prevent constant folding having to repeatedly scan operands. NFCI
After the loop unroll threshold was increased in r295538, very
large constant expressions can be created. This prevents them
from having to be recursively scanned, leading to a compile
time blow-up.

Differential Revision: https://reviews.llvm.org/D30689



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298356 91177308-0d34-0410-b5e6-96231b3b80d8
2017-03-21 10:17:39 +00:00
..
2017-01-28 02:02:38 +00:00