avoid work when possible, perhaps fix the problem nate and andrew are seeing
authorChris Lattner <sabre@nondot.org>
Wed, 13 Apr 2005 19:41:05 +0000 (19:41 +0000)
committerChris Lattner <sabre@nondot.org>
Wed, 13 Apr 2005 19:41:05 +0000 (19:41 +0000)
commit51679c430f1c02cea0717bb20d9b7eac84adf9b2
tree4dc79b1c6b3a4ac21a2257dbf14d51eda7472741
parentc24b537399e872378ce117080928bd6c890c85f7
avoid work when possible, perhaps fix the problem nate and andrew are seeing
with != 0 comparisons vanishing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21287 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/SelectionDAG.cpp