From: Shuxin Yang <shuxin.llvm@gmail.com>
Date: Thu, 13 Dec 2012 23:16:19 +0000 (+0000)
Subject: Remove two popcount patterns which we are already able to recognize.
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=97e07bf211c33c2aafde1b09333e55f7630eb3a2;p=platform%2Fupstream%2Fllvm.git

Remove two popcount patterns which we are already able to recognize.

llvm-svn: 170158
---

diff --git a/llvm/lib/Target/README.txt b/llvm/lib/Target/README.txt
index 8165f5b..a9aab86 100644
--- a/llvm/lib/Target/README.txt
+++ b/llvm/lib/Target/README.txt
@@ -262,22 +262,7 @@ unsigned countbits_slow(unsigned v) {
     c += v & 1;
   return c;
 }
-unsigned countbits_fast(unsigned v){
-  unsigned c;
-  for (c = 0; v; c++)
-    v &= v - 1; // clear the least significant bit set
-  return c;
-}
 
-BITBOARD = unsigned long long
-int PopCnt(register BITBOARD a) {
-  register int c=0;
-  while(a) {
-    c++;
-    a &= a - 1;
-  }
-  return c;
-}
 unsigned int popcount(unsigned int input) {
   unsigned int count = 0;
   for (unsigned int i =  0; i < 4 * 8; i++)