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(parent: 70291ab) | patch
[DAGCombiner] Add (sub_sat x, x) -> 0 combine
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Mon, 14 Jan 2019 15:43:34 +0000 (15:43 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Mon, 14 Jan 2019 15:43:34 +0000 (15:43 +0000)
commite84a99a487d6fb8b97b99e577870bb742bb26a46
tree397d108a90988589ae3b24c2b9319e4c3de7448ctree | snapshot
parent70291ab191c1fe28ad0323f4bf91588329768e54commit | diff
[DAGCombiner] Add (sub_sat x, x) -> 0 combine

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351073 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp diff | blob | history
test/CodeGen/X86/combine-sub-ssat.ll diff | blob | history
test/CodeGen/X86/combine-sub-usat.ll diff | blob | history
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