granicus.if.org Git - llvm/commit

]> granicus.if.org Git - llvm/commit

author	Simon Pilgrim <llvm-dev@redking.me.uk>
	Wed, 19 Oct 2016 16:15:30 +0000 (16:15 +0000)
committer	Simon Pilgrim <llvm-dev@redking.me.uk>
	Wed, 19 Oct 2016 16:15:30 +0000 (16:15 +0000)
commit	057fdd87c110a01b8e9fc014bff5a4f95b25d682
tree	e087c210304bd49d1d96baadca5128c75ccb4bab	tree \| snapshot
parent	f02821bc980c269c30e7f6e02ed03dfcabb3bd39	commit \| diff

[DAGCombiner] Add general constant vector support to (shl (sra x, c1), c1) -> (and x, (shl -1, c1))

We already supported scalar constant / splatted constant vector - now accepts any (non opaque) constant scalar / vector

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@284608 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SelectionDAG/DAGCombiner.cpp		diff \| blob \| history
test/CodeGen/X86/combine-shl.ll		diff \| blob \| history

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