From: Benjamin Kramer Date: Tue, 27 Mar 2012 22:42:42 +0000 (+0000) Subject: Add a note about a cute little fabs optimization. X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f2fd23b0620b3785a85fbde8893ffd777ed8b2b2;p=oota-llvm.git Add a note about a cute little fabs optimization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153543 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/lib/Target/README.txt b/lib/Target/README.txt index 2d4925d307a..8929ac4f2a6 100644 --- a/lib/Target/README.txt +++ b/lib/Target/README.txt @@ -2370,3 +2370,8 @@ unsigned foo(unsigned x, unsigned y) { return x > y && x != 0; } should fold to x > y. //===---------------------------------------------------------------------===// + +int f(double x) { return __builtin_fabs(x) < 0.0; } +should fold to false. + +//===---------------------------------------------------------------------===//