David Green 68b7d2e092 [ARM] Add qadd lowering from a sadd_sat
This lowers a sadd_sat to a qadd by treating it as legal. Also adds qsub at the
same time.

The qadd instruction sets the q flag, but we already have many cases where we
do not model this in llvm.

Differential Revision: https://reviews.llvm.org/D68976


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375411 91177308-0d34-0410-b5e6-96231b3b80d8
2019-10-21 12:33:46 +00:00
2019-10-21 10:44:20 +00:00
2019-10-21 08:06:38 +00:00
2016-01-26 21:29:08 +00:00
2019-07-17 07:02:02 +00:00
2019-10-03 14:57:49 +00:00

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