add back the optimization that Nate added for shl X, (zext_inreg y)
authorChris Lattner <sabre@nondot.org>
Wed, 13 Apr 2005 02:58:13 +0000 (02:58 +0000)
committerChris Lattner <sabre@nondot.org>
Wed, 13 Apr 2005 02:58:13 +0000 (02:58 +0000)
commite666fcfbdd1c2a8f47c4577ef4ff4a8280099e28
tree4fafeb6fe8c239e155ed0e89cdd6cbf2f97499f9
parent8a8dbfa57cb8bf6bf98a5cfc434dff4d9bdf5e0b
add back the optimization that Nate added for shl X, (zext_inreg y)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21273 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/SelectionDAG.cpp