3f540c0d7d
gcc, and the common expectation seems to be that they are unused. If and when someone cares we can add them back with well documented demantics. llvm-svn: 99522
53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
// RUN: %clang_cc1 %s -emit-llvm -o - -triple=i686-apple-darwin9 > %t1
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// RUN: grep @llvm.memory.barrier %t1 | count 38
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// RUN: grep @llvm.atomic.load.add.i32 %t1 | count 3
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// RUN: grep @llvm.atomic.load.sub.i8 %t1 | count 2
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// RUN: grep @llvm.atomic.load.min.i32 %t1
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// RUN: grep @llvm.atomic.load.max.i32 %t1
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// RUN: grep @llvm.atomic.load.umin.i32 %t1
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// RUN: grep @llvm.atomic.load.umax.i32 %t1
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// RUN: grep @llvm.atomic.swap.i32 %t1
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// RUN: grep @llvm.atomic.cmp.swap.i32 %t1 | count 4
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// RUN: grep @llvm.atomic.load.and.i32 %t1
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// RUN: grep @llvm.atomic.load.or.i8 %t1
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// RUN: grep @llvm.atomic.load.xor.i8 %t1
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int atomic(void)
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{
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// non-sensical test for sync functions
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int old;
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int val = 1;
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char valc = 1;
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unsigned int uval = 1;
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int cmp = 0;
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old = __sync_fetch_and_add(&val, 1);
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old = __sync_fetch_and_sub(&valc, 2);
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old = __sync_fetch_and_min(&val, 3);
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old = __sync_fetch_and_max(&val, 4);
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old = __sync_fetch_and_umin(&uval, 5u);
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old = __sync_fetch_and_umax(&uval, 6u);
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old = __sync_lock_test_and_set(&val, 7);
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old = __sync_val_compare_and_swap(&val, 4, 1976);
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old = __sync_bool_compare_and_swap(&val, 4, 1976);
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old = __sync_fetch_and_and(&val, 0x9);
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old = __sync_fetch_and_or(&val, 0xa);
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old = __sync_fetch_and_xor(&val, 0xb);
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old = __sync_add_and_fetch(&val, 1);
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old = __sync_sub_and_fetch(&val, 2);
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old = __sync_and_and_fetch(&valc, 3);
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old = __sync_or_and_fetch(&valc, 4);
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old = __sync_xor_and_fetch(&valc, 5);
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__sync_val_compare_and_swap((void **)0, (void *)0, (void *)0);
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__sync_lock_release(&val);
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__sync_synchronize ();
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return old;
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}
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