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      1 // Test frontend handling of __sync builtins.
      2 // Modified from a gcc testcase.
      3 // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm %s -o - | FileCheck %s
      4 
      5 signed char sc;
      6 unsigned char uc;
      7 signed short ss;
      8 unsigned short us;
      9 signed int si;
     10 unsigned int ui;
     11 signed long long sll;
     12 unsigned long long ull;
     13 
     14 void test_op_ignore (void) // CHECK-LABEL: define void @test_op_ignore
     15 {
     16   (void) __sync_fetch_and_add (&sc, 1); // CHECK: atomicrmw add i8
     17   (void) __sync_fetch_and_add (&uc, 1); // CHECK: atomicrmw add i8
     18   (void) __sync_fetch_and_add (&ss, 1); // CHECK: atomicrmw add i16
     19   (void) __sync_fetch_and_add (&us, 1); // CHECK: atomicrmw add i16
     20   (void) __sync_fetch_and_add (&si, 1); // CHECK: atomicrmw add i32
     21   (void) __sync_fetch_and_add (&ui, 1); // CHECK: atomicrmw add i32
     22   (void) __sync_fetch_and_add (&sll, 1); // CHECK: atomicrmw add i64
     23   (void) __sync_fetch_and_add (&ull, 1); // CHECK: atomicrmw add i64
     24 
     25   (void) __sync_fetch_and_sub (&sc, 1); // CHECK: atomicrmw sub i8
     26   (void) __sync_fetch_and_sub (&uc, 1); // CHECK: atomicrmw sub i8
     27   (void) __sync_fetch_and_sub (&ss, 1); // CHECK: atomicrmw sub i16
     28   (void) __sync_fetch_and_sub (&us, 1); // CHECK: atomicrmw sub i16
     29   (void) __sync_fetch_and_sub (&si, 1); // CHECK: atomicrmw sub i32
     30   (void) __sync_fetch_and_sub (&ui, 1); // CHECK: atomicrmw sub i32
     31   (void) __sync_fetch_and_sub (&sll, 1); // CHECK: atomicrmw sub i64
     32   (void) __sync_fetch_and_sub (&ull, 1); // CHECK: atomicrmw sub i64
     33 
     34   (void) __sync_fetch_and_or (&sc, 1); // CHECK: atomicrmw or i8
     35   (void) __sync_fetch_and_or (&uc, 1); // CHECK: atomicrmw or i8
     36   (void) __sync_fetch_and_or (&ss, 1); // CHECK: atomicrmw or i16
     37   (void) __sync_fetch_and_or (&us, 1); // CHECK: atomicrmw or i16
     38   (void) __sync_fetch_and_or (&si, 1); // CHECK: atomicrmw or i32
     39   (void) __sync_fetch_and_or (&ui, 1); // CHECK: atomicrmw or i32
     40   (void) __sync_fetch_and_or (&sll, 1); // CHECK: atomicrmw or i64
     41   (void) __sync_fetch_and_or (&ull, 1); // CHECK: atomicrmw or i64
     42 
     43   (void) __sync_fetch_and_xor (&sc, 1); // CHECK: atomicrmw xor i8
     44   (void) __sync_fetch_and_xor (&uc, 1); // CHECK: atomicrmw xor i8
     45   (void) __sync_fetch_and_xor (&ss, 1); // CHECK: atomicrmw xor i16
     46   (void) __sync_fetch_and_xor (&us, 1); // CHECK: atomicrmw xor i16
     47   (void) __sync_fetch_and_xor (&si, 1); // CHECK: atomicrmw xor i32
     48   (void) __sync_fetch_and_xor (&ui, 1); // CHECK: atomicrmw xor i32
     49   (void) __sync_fetch_and_xor (&sll, 1); // CHECK: atomicrmw xor i64
     50   (void) __sync_fetch_and_xor (&ull, 1); // CHECK: atomicrmw xor i64
     51 
     52   (void) __sync_fetch_and_nand (&sc, 1); // CHECK: atomicrmw nand i8
     53   (void) __sync_fetch_and_nand (&uc, 1); // CHECK: atomicrmw nand i8
     54   (void) __sync_fetch_and_nand (&ss, 1); // CHECK: atomicrmw nand i16
     55   (void) __sync_fetch_and_nand (&us, 1); // CHECK: atomicrmw nand i16
     56   (void) __sync_fetch_and_nand (&si, 1); // CHECK: atomicrmw nand i32
     57   (void) __sync_fetch_and_nand (&ui, 1); // CHECK: atomicrmw nand i32
     58   (void) __sync_fetch_and_nand (&sll, 1); // CHECK: atomicrmw nand i64
     59   (void) __sync_fetch_and_nand (&ull, 1); // CHECK: atomicrmw nand i64
     60 
     61   (void) __sync_fetch_and_and (&sc, 1); // CHECK: atomicrmw and i8
     62   (void) __sync_fetch_and_and (&uc, 1); // CHECK: atomicrmw and i8
     63   (void) __sync_fetch_and_and (&ss, 1); // CHECK: atomicrmw and i16
     64   (void) __sync_fetch_and_and (&us, 1); // CHECK: atomicrmw and i16
     65   (void) __sync_fetch_and_and (&si, 1); // CHECK: atomicrmw and i32
     66   (void) __sync_fetch_and_and (&ui, 1); // CHECK: atomicrmw and i32
     67   (void) __sync_fetch_and_and (&sll, 1); // CHECK: atomicrmw and i64
     68   (void) __sync_fetch_and_and (&ull, 1); // CHECK: atomicrmw and i64
     69 
     70 }
     71 
     72 void test_fetch_and_op (void) // CHECK-LABEL: define void @test_fetch_and_op
     73 {
     74   sc = __sync_fetch_and_add (&sc, 11); // CHECK: atomicrmw add
     75   uc = __sync_fetch_and_add (&uc, 11); // CHECK: atomicrmw add
     76   ss = __sync_fetch_and_add (&ss, 11); // CHECK: atomicrmw add
     77   us = __sync_fetch_and_add (&us, 11); // CHECK: atomicrmw add
     78   si = __sync_fetch_and_add (&si, 11); // CHECK: atomicrmw add
     79   ui = __sync_fetch_and_add (&ui, 11); // CHECK: atomicrmw add
     80   sll = __sync_fetch_and_add (&sll, 11); // CHECK: atomicrmw add
     81   ull = __sync_fetch_and_add (&ull, 11); // CHECK: atomicrmw add
     82 
     83   sc = __sync_fetch_and_sub (&sc, 11); // CHECK: atomicrmw sub
     84   uc = __sync_fetch_and_sub (&uc, 11); // CHECK: atomicrmw sub
     85   ss = __sync_fetch_and_sub (&ss, 11); // CHECK: atomicrmw sub
     86   us = __sync_fetch_and_sub (&us, 11); // CHECK: atomicrmw sub
     87   si = __sync_fetch_and_sub (&si, 11); // CHECK: atomicrmw sub
     88   ui = __sync_fetch_and_sub (&ui, 11); // CHECK: atomicrmw sub
     89   sll = __sync_fetch_and_sub (&sll, 11); // CHECK: atomicrmw sub
     90   ull = __sync_fetch_and_sub (&ull, 11); // CHECK: atomicrmw sub
     91 
     92   sc = __sync_fetch_and_or (&sc, 11); // CHECK: atomicrmw or
     93   uc = __sync_fetch_and_or (&uc, 11); // CHECK: atomicrmw or
     94   ss = __sync_fetch_and_or (&ss, 11); // CHECK: atomicrmw or
     95   us = __sync_fetch_and_or (&us, 11); // CHECK: atomicrmw or
     96   si = __sync_fetch_and_or (&si, 11); // CHECK: atomicrmw or
     97   ui = __sync_fetch_and_or (&ui, 11); // CHECK: atomicrmw or
     98   sll = __sync_fetch_and_or (&sll, 11); // CHECK: atomicrmw or
     99   ull = __sync_fetch_and_or (&ull, 11); // CHECK: atomicrmw or
    100 
    101   sc = __sync_fetch_and_xor (&sc, 11); // CHECK: atomicrmw xor
    102   uc = __sync_fetch_and_xor (&uc, 11); // CHECK: atomicrmw xor
    103   ss = __sync_fetch_and_xor (&ss, 11); // CHECK: atomicrmw xor
    104   us = __sync_fetch_and_xor (&us, 11); // CHECK: atomicrmw xor
    105   si = __sync_fetch_and_xor (&si, 11); // CHECK: atomicrmw xor
    106   ui = __sync_fetch_and_xor (&ui, 11); // CHECK: atomicrmw xor
    107   sll = __sync_fetch_and_xor (&sll, 11); // CHECK: atomicrmw xor
    108   ull = __sync_fetch_and_xor (&ull, 11); // CHECK: atomicrmw xor
    109 
    110   sc = __sync_fetch_and_nand (&sc, 11); // CHECK: atomicrmw nand
    111   uc = __sync_fetch_and_nand (&uc, 11); // CHECK: atomicrmw nand
    112   ss = __sync_fetch_and_nand (&ss, 11); // CHECK: atomicrmw nand
    113   us = __sync_fetch_and_nand (&us, 11); // CHECK: atomicrmw nand
    114   si = __sync_fetch_and_nand (&si, 11); // CHECK: atomicrmw nand
    115   ui = __sync_fetch_and_nand (&ui, 11); // CHECK: atomicrmw nand
    116   sll = __sync_fetch_and_nand (&sll, 11); // CHECK: atomicrmw nand
    117   ull = __sync_fetch_and_nand (&ull, 11); // CHECK: atomicrmw nand
    118 
    119   sc = __sync_fetch_and_and (&sc, 11); // CHECK: atomicrmw and
    120   uc = __sync_fetch_and_and (&uc, 11); // CHECK: atomicrmw and
    121   ss = __sync_fetch_and_and (&ss, 11); // CHECK: atomicrmw and
    122   us = __sync_fetch_and_and (&us, 11); // CHECK: atomicrmw and
    123   si = __sync_fetch_and_and (&si, 11); // CHECK: atomicrmw and
    124   ui = __sync_fetch_and_and (&ui, 11); // CHECK: atomicrmw and
    125   sll = __sync_fetch_and_and (&sll, 11); // CHECK: atomicrmw and
    126   ull = __sync_fetch_and_and (&ull, 11); // CHECK: atomicrmw and
    127 
    128 }
    129 
    130 void test_op_and_fetch (void)
    131 {
    132   sc = __sync_add_and_fetch (&sc, uc); // CHECK: atomicrmw add
    133   uc = __sync_add_and_fetch (&uc, uc); // CHECK: atomicrmw add
    134   ss = __sync_add_and_fetch (&ss, uc); // CHECK: atomicrmw add
    135   us = __sync_add_and_fetch (&us, uc); // CHECK: atomicrmw add
    136   si = __sync_add_and_fetch (&si, uc); // CHECK: atomicrmw add
    137   ui = __sync_add_and_fetch (&ui, uc); // CHECK: atomicrmw add
    138   sll = __sync_add_and_fetch (&sll, uc); // CHECK: atomicrmw add
    139   ull = __sync_add_and_fetch (&ull, uc); // CHECK: atomicrmw add
    140 
    141   sc = __sync_sub_and_fetch (&sc, uc); // CHECK: atomicrmw sub
    142   uc = __sync_sub_and_fetch (&uc, uc); // CHECK: atomicrmw sub
    143   ss = __sync_sub_and_fetch (&ss, uc); // CHECK: atomicrmw sub
    144   us = __sync_sub_and_fetch (&us, uc); // CHECK: atomicrmw sub
    145   si = __sync_sub_and_fetch (&si, uc); // CHECK: atomicrmw sub
    146   ui = __sync_sub_and_fetch (&ui, uc); // CHECK: atomicrmw sub
    147   sll = __sync_sub_and_fetch (&sll, uc); // CHECK: atomicrmw sub
    148   ull = __sync_sub_and_fetch (&ull, uc); // CHECK: atomicrmw sub
    149 
    150   sc = __sync_or_and_fetch (&sc, uc); // CHECK: atomicrmw or
    151   uc = __sync_or_and_fetch (&uc, uc); // CHECK: atomicrmw or
    152   ss = __sync_or_and_fetch (&ss, uc); // CHECK: atomicrmw or
    153   us = __sync_or_and_fetch (&us, uc); // CHECK: atomicrmw or
    154   si = __sync_or_and_fetch (&si, uc); // CHECK: atomicrmw or
    155   ui = __sync_or_and_fetch (&ui, uc); // CHECK: atomicrmw or
    156   sll = __sync_or_and_fetch (&sll, uc); // CHECK: atomicrmw or
    157   ull = __sync_or_and_fetch (&ull, uc); // CHECK: atomicrmw or
    158 
    159   sc = __sync_xor_and_fetch (&sc, uc); // CHECK: atomicrmw xor
    160   uc = __sync_xor_and_fetch (&uc, uc); // CHECK: atomicrmw xor
    161   ss = __sync_xor_and_fetch (&ss, uc); // CHECK: atomicrmw xor
    162   us = __sync_xor_and_fetch (&us, uc); // CHECK: atomicrmw xor
    163   si = __sync_xor_and_fetch (&si, uc); // CHECK: atomicrmw xor
    164   ui = __sync_xor_and_fetch (&ui, uc); // CHECK: atomicrmw xor
    165   sll = __sync_xor_and_fetch (&sll, uc); // CHECK: atomicrmw xor
    166   ull = __sync_xor_and_fetch (&ull, uc); // CHECK: atomicrmw xor
    167 
    168   sc = __sync_nand_and_fetch (&sc, uc); // CHECK: atomicrmw nand
    169                                         // CHECK: and
    170                                         // CHECK: xor
    171   uc = __sync_nand_and_fetch (&uc, uc); // CHECK: atomicrmw nand
    172                                         // CHECK: and
    173                                         // CHECK: xor
    174   ss = __sync_nand_and_fetch (&ss, uc); // CHECK: atomicrmw nand
    175                                         // CHECK: and
    176                                         // CHECK: xor
    177   us = __sync_nand_and_fetch (&us, uc); // CHECK: atomicrmw nand
    178                                         // CHECK: and
    179                                         // CHECK: xor
    180   si = __sync_nand_and_fetch (&si, uc); // CHECK: atomicrmw nand
    181                                         // CHECK: and
    182                                         // CHECK: xor
    183   ui = __sync_nand_and_fetch (&ui, uc); // CHECK: atomicrmw nand
    184                                         // CHECK: and
    185                                         // CHECK: xor
    186   sll = __sync_nand_and_fetch (&sll, uc); // CHECK: atomicrmw nand
    187                                           // CHECK: and
    188                                           // CHECK: xor
    189   ull = __sync_nand_and_fetch (&ull, uc); // CHECK: atomicrmw nand
    190                                           // CHECK: and
    191                                           // CHECK: xor
    192 
    193   sc = __sync_and_and_fetch (&sc, uc); // CHECK: atomicrmw and
    194   uc = __sync_and_and_fetch (&uc, uc); // CHECK: atomicrmw and
    195   ss = __sync_and_and_fetch (&ss, uc); // CHECK: atomicrmw and
    196   us = __sync_and_and_fetch (&us, uc); // CHECK: atomicrmw and
    197   si = __sync_and_and_fetch (&si, uc); // CHECK: atomicrmw and
    198   ui = __sync_and_and_fetch (&ui, uc); // CHECK: atomicrmw and
    199   sll = __sync_and_and_fetch (&sll, uc); // CHECK: atomicrmw and
    200   ull = __sync_and_and_fetch (&ull, uc); // CHECK: atomicrmw and
    201 
    202 }
    203 
    204 void test_compare_and_swap (void)
    205 {
    206   sc = __sync_val_compare_and_swap (&sc, uc, sc);
    207   // CHECK: [[PAIR:%[a-z0-9._]+]] = cmpxchg i8
    208   // CHECK: extractvalue { i8, i1 } [[PAIR]], 0
    209 
    210   uc = __sync_val_compare_and_swap (&uc, uc, sc);
    211   // CHECK: [[PAIR:%[a-z0-9._]+]] = cmpxchg i8
    212   // CHECK: extractvalue { i8, i1 } [[PAIR]], 0
    213 
    214   ss = __sync_val_compare_and_swap (&ss, uc, sc);
    215   // CHECK: [[PAIR:%[a-z0-9._]+]] = cmpxchg i16
    216   // CHECK: extractvalue { i16, i1 } [[PAIR]], 0
    217 
    218   us = __sync_val_compare_and_swap (&us, uc, sc);
    219   // CHECK: [[PAIR:%[a-z0-9._]+]] = cmpxchg i16
    220   // CHECK: extractvalue { i16, i1 } [[PAIR]], 0
    221 
    222   si = __sync_val_compare_and_swap (&si, uc, sc);
    223   // CHECK: [[PAIR:%[a-z0-9._]+]] = cmpxchg i32
    224   // CHECK: extractvalue { i32, i1 } [[PAIR]], 0
    225 
    226   ui = __sync_val_compare_and_swap (&ui, uc, sc);
    227   // CHECK: [[PAIR:%[a-z0-9._]+]] = cmpxchg i32
    228   // CHECK: extractvalue { i32, i1 } [[PAIR]], 0
    229 
    230   sll = __sync_val_compare_and_swap (&sll, uc, sc);
    231   // CHECK: [[PAIR:%[a-z0-9._]+]] = cmpxchg i64
    232   // CHECK: extractvalue { i64, i1 } [[PAIR]], 0
    233 
    234   ull = __sync_val_compare_and_swap (&ull, uc, sc);
    235   // CHECK: [[PAIR:%[a-z0-9._]+]] = cmpxchg i64
    236   // CHECK: extractvalue { i64, i1 } [[PAIR]], 0
    237 
    238 
    239   ui = __sync_bool_compare_and_swap (&sc, uc, sc);
    240   // CHECK: [[PAIR:%[a-z0-9._]+]] = cmpxchg i8
    241   // CHECK: extractvalue { i8, i1 } [[PAIR]], 1
    242 
    243   ui = __sync_bool_compare_and_swap (&uc, uc, sc);
    244   // CHECK: [[PAIR:%[a-z0-9._]+]] = cmpxchg i8
    245   // CHECK: extractvalue { i8, i1 } [[PAIR]], 1
    246 
    247   ui = __sync_bool_compare_and_swap (&ss, uc, sc);
    248   // CHECK: [[PAIR:%[a-z0-9._]+]] = cmpxchg i16
    249   // CHECK: extractvalue { i16, i1 } [[PAIR]], 1
    250 
    251   ui = __sync_bool_compare_and_swap (&us, uc, sc);
    252   // CHECK: [[PAIR:%[a-z0-9._]+]] = cmpxchg i16
    253   // CHECK: extractvalue { i16, i1 } [[PAIR]], 1
    254 
    255   ui = __sync_bool_compare_and_swap (&si, uc, sc);
    256   // CHECK: [[PAIR:%[a-z0-9._]+]] = cmpxchg i32
    257   // CHECK: extractvalue { i32, i1 } [[PAIR]], 1
    258 
    259   ui = __sync_bool_compare_and_swap (&ui, uc, sc);
    260   // CHECK: [[PAIR:%[a-z0-9._]+]] = cmpxchg i32
    261   // CHECK: extractvalue { i32, i1 } [[PAIR]], 1
    262 
    263   ui = __sync_bool_compare_and_swap (&sll, uc, sc);
    264   // CHECK: [[PAIR:%[a-z0-9._]+]] = cmpxchg i64
    265   // CHECK: extractvalue { i64, i1 } [[PAIR]], 1
    266 
    267   ui = __sync_bool_compare_and_swap (&ull, uc, sc);
    268   // CHECK: [[PAIR:%[a-z0-9._]+]] = cmpxchg i64
    269   // CHECK: extractvalue { i64, i1 } [[PAIR]], 1
    270 }
    271 
    272 void test_lock (void)
    273 {
    274   sc = __sync_lock_test_and_set (&sc, 1); // CHECK: atomicrmw xchg i8
    275   uc = __sync_lock_test_and_set (&uc, 1); // CHECK: atomicrmw xchg i8
    276   ss = __sync_lock_test_and_set (&ss, 1); // CHECK: atomicrmw xchg i16
    277   us = __sync_lock_test_and_set (&us, 1); // CHECK: atomicrmw xchg i16
    278   si = __sync_lock_test_and_set (&si, 1); // CHECK: atomicrmw xchg i32
    279   ui = __sync_lock_test_and_set (&ui, 1); // CHECK: atomicrmw xchg i32
    280   sll = __sync_lock_test_and_set (&sll, 1); // CHECK: atomicrmw xchg i64
    281   ull = __sync_lock_test_and_set (&ull, 1); // CHECK: atomicrmw xchg i64
    282 
    283   __sync_synchronize (); // CHECK: fence seq_cst
    284 
    285   __sync_lock_release (&sc); // CHECK: store atomic {{.*}} release, align 1
    286   __sync_lock_release (&uc); // CHECK: store atomic {{.*}} release, align 1
    287   __sync_lock_release (&ss); // CHECK: store atomic {{.*}} release, align 2
    288   __sync_lock_release (&us); /// CHECK: store atomic {{.*}} release, align 2
    289   __sync_lock_release (&si); // CHECK: store atomic {{.*}} release, align 4
    290   __sync_lock_release (&ui); // CHECK: store atomic {{.*}} release, align 4
    291   __sync_lock_release (&sll); // CHECK: store atomic {{.*}} release, align 8
    292   __sync_lock_release (&ull); // CHECK: store atomic {{.*}} release, align 8
    293 }
    294