tree ca55634b6aa11c5ef0b9579f2e1f808c10f58794
parent 300a263d93ba4bb320ae303ca5a388dc9800b112
author Chris Lattner <sabre@nondot.org> 1327308752 +0000
committer Chris Lattner <sabre@nondot.org> 1327308752 +0000

switch UndefValue and ConstantPointerNull over to DenseMap's for uniquing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148693 91177308-0d34-0410-b5e6-96231b3b80d8