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[InstCombine] add more tests for shuffle folding; NFC
authorSanjay Patel <spatel@rotateright.com>
Tue, 21 May 2019 21:45:24 +0000 (21:45 +0000)
committerSanjay Patel <spatel@rotateright.com>
Tue, 21 May 2019 21:45:24 +0000 (21:45 +0000)
commitc185ca148d516c9694aef31c79efa09bb585cb54
tree575e9b225f887a137b39600baf6b564f1501b251tree | snapshot
parenta111627f7662df05273b926aa5a62fe8c3bc1b74commit | diff
[InstCombine] add more tests for shuffle folding; NFC

As discussed in D62024, we want to limit any potential IR
transforms of shuffles to cases where we know the SDAG
conversion would result in equivalent patterns for these
IR variants.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@361317 91177308-0d34-0410-b5e6-96231b3b80d8
test/Transforms/InstCombine/vec_shuffle.ll diff | blob | history
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