From: Chris Lattner Date: Sun, 5 Feb 2006 07:54:37 +0000 (+0000) Subject: some stuff is done X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=176f0416d103f5ce34ae0899f053890ee2aa016f;p=oota-llvm.git some stuff is done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26004 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/lib/Target/README.txt b/lib/Target/README.txt index d9091d0ca76..4b6e0e92f1d 100644 --- a/lib/Target/README.txt +++ b/lib/Target/README.txt @@ -65,10 +65,6 @@ Number 1 is the preferred solution. //===---------------------------------------------------------------------===// For dag combiner and instcombine: -Fold: "A / (B << N)" where B is a power of 2, to "A >> (N + log2(B))". -Fold: "A % (B << N)" where B is a power of 2, to "A & ((B << N) - 1)". - int t(int X, int Y) { return 1 << (X+4); } --> 16 << X - //===---------------------------------------------------------------------===//