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(parent: cbc478e) | patch
Teach DAG combine to handle vector add/sub with vectors of all 0s.
authorCraig Topper <craig.topper@gmail.com>
Mon, 10 Dec 2012 08:12:29 +0000 (08:12 +0000)
committerCraig Topper <craig.topper@gmail.com>
Mon, 10 Dec 2012 08:12:29 +0000 (08:12 +0000)
commit48b509c77318cc6e753513ca5dcdd67e18094235
tree13e6e855eee19ac3ed2f4600388ff3816fba8700tree | snapshot
parentcbc478ebc1f93df073f5883dda561995e15f6f46commit | diff
Teach DAG combine to handle vector add/sub with vectors of all 0s.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169727 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp diff | blob | history
test/CodeGen/X86/fold-pcmpeqd-2.ll diff | blob | history
test/CodeGen/X86/vec_zero.ll diff | blob | history
external/llvm
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