From: Chris Lattner <sabre@nondot.org>
Date: Wed, 24 Aug 2005 16:58:56 +0000 (+0000)
Subject: floor/ceil don't read/write memory.  This allows gcse to eliminate 6 calls
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=ab466d769aa33a6973a1e6e11fe2b803a7dbdabc;p=oota-llvm.git

floor/ceil don't read/write memory.  This allows gcse to eliminate 6 calls
in mesa.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23015 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index 0b80e926301..86cc5646be6 100644
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -720,6 +720,8 @@ static const char *DoesntAccessMemoryTable[] = {
   "hypot",
   "sin", "sinf", "sinl",
   "tan", "tanf", "tanl",      "tanh", "tanhf", "tanhl",
+  
+  "floor", "floorf", "floorl", "ceil", "ceilf", "ceill",
 
   // ctype.h
   "isalnum", "isalpha", "iscntrl", "isdigit", "isgraph", "islower", "isprint"