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[DAGCombiner] Enable sub saturation constant folding
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Mon, 14 Jan 2019 15:28:53 +0000 (15:28 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Mon, 14 Jan 2019 15:28:53 +0000 (15:28 +0000)
commit70291ab191c1fe28ad0323f4bf91588329768e54
tree0a6dfcd6cd4763fd971ec7b3c7782b5b6eb91308
parentdd81d192fac10e3787e1c36397f1f334ceb701a6
[DAGCombiner] Enable sub saturation constant folding

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351072 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
test/CodeGen/X86/combine-sub-ssat.ll
test/CodeGen/X86/combine-sub-usat.ll