[InstCombine] [NFC] Add tests for getting rid of select of bittest (PR36950 / PR17564)
[InstCombine] [NFC] Add tests for getting rid of select of bittest (PR36950 / PR17564)

Summary: See [[ https://bugs.llvm.org/show_bug.cgi?id=36950 | PR36950 ]], [[ https://bugs.llvm.org/show_bug.cgi?id=17564 | PR17564 ]], D45065, D45108

Reviewers: spatel, craig.topper

Reviewed By: spatel

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D45107

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@329198 91177308-0d34-0410-b5e6-96231b3b80d8

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