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[DAGCombiner] Remove shuffle support from simplifyShuffleMask
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Fri, 11 Aug 2017 08:37:00 +0000 (08:37 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Fri, 11 Aug 2017 08:37:00 +0000 (08:37 +0000)
commit54fe64b5b4f5ecfaa2b4b48cd9336562efd56790
tree3aa6e6f8c7b7b72481625d92d8f0e8e3ed563577tree | snapshot
parent954fd5590ec169c7c75bacd150fe169c6134e8afcommit | diff
[DAGCombiner] Remove shuffle support from simplifyShuffleMask

rL310372 enabled simplifyShuffleMask to support undef shuffle mask inputs, but its causing hangs.

Removing support until I can triage the problem

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@310699 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp diff | blob | history
test/CodeGen/X86/oddshuffles.ll diff | blob | history
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