tree 61267a44aed5e859531a2f1a6fc862e46411ef94
parent 5e86c2aba6d7be5db5fecefe2ff4170d9230e07f
author Simon Pilgrim <llvm-dev@redking.me.uk> 1477345639 +0000
committer Simon Pilgrim <llvm-dev@redking.me.uk> 1477345639 +0000

[SelectionDAG] Update ComputeNumSignBits SRA/SHL handlers to accept scalar or vector splats

Use isConstOrConstSplat helper.

Also use APInt instead of getZExtValue directly to avoid out of range issues.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@285033 91177308-0d34-0410-b5e6-96231b3b80d8