minor cleanups, teach instcombine that sitofp/uitofp cannot
authorChris Lattner <sabre@nondot.org>
Mon, 19 May 2008 20:27:56 +0000 (20:27 +0000)
committerChris Lattner <sabre@nondot.org>
Mon, 19 May 2008 20:27:56 +0000 (20:27 +0000)
commit0a2d74bd53ae2b13f277b45aed3bb45aa87fa530
treeb57e849da97806fd7c67658ca1a5c66d4823c67c
parent0c7a9a04e7cdd764fca606383aa694f83f880abe
minor cleanups, teach instcombine that sitofp/uitofp cannot
produce a negative zero.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51272 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/InstructionCombining.cpp