41 lines
880 B
C
41 lines
880 B
C
// RUN: %clang_cc1 -triple x86_64-apple-darwin %s -emit-llvm -o - | FileCheck %s
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int* foo(int** a, int* b, int* c) {
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return __sync_val_compare_and_swap (a, b, c);
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}
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// CHECK-LABEL: define i32* @foo
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// CHECK: cmpxchg
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int foo2(int** a, int* b, int* c) {
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return __sync_bool_compare_and_swap (a, b, c);
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}
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// CHECK-LABEL: define i32 @foo2
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// CHECK: cmpxchg
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int* foo3(int** a, int b) {
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return __sync_fetch_and_add (a, b);
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}
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// CHECK-LABEL: define i32* @foo3
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// CHECK: atomicrmw add
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int* foo4(int** a, int b) {
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return __sync_fetch_and_sub (a, b);
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}
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// CHECK-LABEL: define i32* @foo4
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// CHECK: atomicrmw sub
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int* foo5(int** a, int* b) {
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return __sync_lock_test_and_set (a, b);
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}
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// CHECK-LABEL: define i32* @foo5
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// CHECK: atomicrmw xchg
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int* foo6(int** a, int*** b) {
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return __sync_lock_test_and_set (a, b);
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}
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// CHECK-LABEL: define i32* @foo6
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// CHECK: atomicrmw xchg
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