Remove the check for the ffsll function. Its no longer needed by the

simplify-libcalls pass (pass now computes it without a call to ffsll).

llvm-svn: 22074

Author: Reid Spencer

llvm/autoconf/configure.ac

@@ -484,7 +484,7 @@ dnl=== SECTION 8: Check for specific functions needed
 dnl===
 dnl===-----------------------------------------------------------------------===
 
-AC_CHECK_FUNCS([backtrace ffsll getcwd getpagesize getrusage gettimeofday ])
+AC_CHECK_FUNCS([backtrace getcwd getpagesize getrusage gettimeofday ])
 AC_CHECK_FUNCS([isatty mkdtemp mkstemp mktemp ])
 AC_CHECK_FUNCS([realpath sbrk setrlimit strdup strerror strerror_r ])
 AC_CHECK_FUNCS([strtoll strtoq sysconf])

llvm/configure

@@ -27226,8 +27226,7 @@ fi
 
 
 
-
-for ac_func in backtrace ffsll getcwd getpagesize getrusage gettimeofday
+for ac_func in backtrace getcwd getpagesize getrusage gettimeofday
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
 echo "$as_me:$LINENO: checking for $ac_func" >&5

llvm/include/llvm/Config/config.h.in

@@ -91,9 +91,6 @@
 /* Define to 1 if you have the <fcntl.h> header file. */
 #undef HAVE_FCNTL_H
 
-/* Define to 1 if you have the `ffsll' function. */
-#undef HAVE_FFSLL
-
 /* Set to 1 if the finite function is found in <ieeefp.h> */
 #undef HAVE_FINITE_IN_IEEEFP_H