constant fold (a + N) - M and (a - N) + M
authorSimon Marlow <marlowsd@gmail.com>
Thu, 10 Feb 2011 11:56:08 +0000 (11:56 +0000)
committerSimon Marlow <marlowsd@gmail.com>
Thu, 10 Feb 2011 11:56:08 +0000 (11:56 +0000)
commitc9629e9f5e4957c8665fc2497b5e769b769cb7d3
treebb4f1cd8f5c73a1e2582b0b0fb27e2cac6a48bc3
parent6b89acb468c0db3337b831790f96bee4d9b54bfe
constant fold  (a + N) - M  and  (a - N) + M
compiler/cmm/CmmOpt.hs