LineageOS/android_external_libcxx
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[libcxx] remove unused code

Browse Source 
The macro _LIBCPP_UNROLL_LOOPS isn't used anywhere
so the code was dead.

Differential Revision: https://reviews.llvm.org/D26991

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@288143 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Aditya Kumar
2016-11-29 14:43:42 +00:00
parent afa9b590b2
commit 4299795816
1 changed files with 2 additions and 70 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
include/algorithm
View File

@@ -1494,9 +1494,9 @@ __search(_RandomAccessIterator1 __first1, _RandomAccessIterator1 __last1,
if (__len1 < __len2) if (__len1 < __len2)
return make_pair(__last1, __last1); return make_pair(__last1, __last1);
const _RandomAccessIterator1 __s = __last1 - (__len2 - 1); // Start of pattern match can't go beyond here const _RandomAccessIterator1 __s = __last1 - (__len2 - 1); // Start of pattern match can't go beyond here
while (true) while (true)
{ {
#if !_LIBCPP_UNROLL_LOOPS
while (true) while (true)
{ {
if (__first1 == __s) if (__first1 == __s)
@@ -1505,40 +1505,9 @@ __search(_RandomAccessIterator1 __first1, _RandomAccessIterator1 __last1,
break; break;
++__first1; ++__first1;
} }
#else // !_LIBCPP_UNROLL_LOOPS
for (_D1 __loop_unroll = (__s - __first1) / 4; __loop_unroll > 0; --__loop_unroll)
{
if (__pred(*__first1, *__first2))
goto __phase2;
if (__pred(*++__first1, *__first2))
goto __phase2;
if (__pred(*++__first1, *__first2))
goto __phase2;
if (__pred(*++__first1, *__first2))
goto __phase2;
++__first1;
}
switch (__s - __first1)
{
case 3:
if (__pred(*__first1, *__first2))
break;
++__first1;
case 2:
if (__pred(*__first1, *__first2))
break;
++__first1;
case 1:
if (__pred(*__first1, *__first2))
break;
case 0:
return make_pair(__last1, __last1);
}
__phase2:
#endif // !_LIBCPP_UNROLL_LOOPS
_RandomAccessIterator1 __m1 = __first1; _RandomAccessIterator1 __m1 = __first1;
_RandomAccessIterator2 __m2 = __first2; _RandomAccessIterator2 __m2 = __first2;
#if !_LIBCPP_UNROLL_LOOPS
while (true) while (true)
{ {
if (++__m2 == __last2) if (++__m2 == __last2)
@@ -1550,43 +1519,6 @@ __search(_RandomAccessIterator1 __first1, _RandomAccessIterator1 __last1,
break; break;
} }
} }
#else // !_LIBCPP_UNROLL_LOOPS
++__m2;
++__m1;
for (_D2 __loop_unroll = (__last2 - __m2) / 4; __loop_unroll > 0; --__loop_unroll)
{
if (!__pred(*__m1, *__m2))
goto __continue;
if (!__pred(*++__m1, *++__m2))
goto __continue;
if (!__pred(*++__m1, *++__m2))
goto __continue;
if (!__pred(*++__m1, *++__m2))
goto __continue;
++__m1;
++__m2;
}
switch (__last2 - __m2)
{
case 3:
if (!__pred(*__m1, *__m2))
break;
++__m1;
++__m2;
case 2:
if (!__pred(*__m1, *__m2))
break;
++__m1;
++__m2;
case 1:
if (!__pred(*__m1, *__m2))
break;
case 0:
return make_pair(__first1, __first1 + __len2);
}
__continue:
++__first1;
#endif // !_LIBCPP_UNROLL_LOOPS
} }
} }