tree f1f12ce6db6e9903ea0174f8878a6856cb4d2ccb
parent fe085f3fde7676ddfc2241ed7ff4dbd68f88f326
author Chris Lattner <sabre@nondot.org> 1198115818 +0000
committer Chris Lattner <sabre@nondot.org> 1198115818 +0000

simplify this code with the new m_Zero() pattern.  Make sure the select only
has a single use, and generalize it to not require N to be a constant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45250 91177308-0d34-0410-b5e6-96231b3b80d8