Remove some redundant stuff out of the readme.

llvm-svn: 25308

lib/Target/PowerPC/README.txt

@@ -219,24 +219,6 @@ should be branch free code.  LLVM is turning it into < 1 because of the RHS.
 
 ===-------------------------------------------------------------------------===
 
-For this testcase:
-int f1(int a, int b) { return (a&0xF)|(b&0xF0); }
-
-We currently emit:
-_f1:
-        rlwinm r2, r4, 0, 24, 27
-        rlwimi r2, r3, 0, 28, 31
-        or r3, r2, r2
-        blr
-
-We could emit:
-_f1:
-        rlwinm r4, r4, 0, 24, 27
-        rlwimi r3, r4, 0, 0, 27
-        blr
-
-===-------------------------------------------------------------------------===
-
 No loads or stores of the constants should be needed:
 
 struct foo { double X, Y; };