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[DAGCombiner] Show missed opportunity to UNDEF out-of-range SHL
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Thu, 10 Nov 2016 14:19:45 +0000 (14:19 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Thu, 10 Nov 2016 14:19:45 +0000 (14:19 +0000)
commit87f38fa85cbdc5ef979d6fc463733716863c481e
tree7541b5cc65d6fb2909eb5cb8765f9ea8364c8711tree | snapshot
parentf5a0ef97f5650b4c656292d21de6f4e106895408commit | diff
[DAGCombiner] Show missed opportunity to UNDEF out-of-range SHL

Fails to match constant shift value due to presence of AND mask.

llvm-svn: 286452
llvm/test/CodeGen/X86/combine-shl.ll diff | blob | history
Domain: System / Toolchain;