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-rw-r--r--clang/test/CodeGen/atomic.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/clang/test/CodeGen/atomic.c b/clang/test/CodeGen/atomic.c
new file mode 100644
index 0000000..ac3848f
--- /dev/null
+++ b/clang/test/CodeGen/atomic.c
@@ -0,0 +1,109 @@
+// RUN: %clang_cc1 %s -emit-llvm -o - -triple=i686-apple-darwin9 | FileCheck %s
+
+int atomic(void) {
+ // non-sensical test for sync functions
+ int old;
+ int val = 1;
+ char valc = 1;
+ _Bool valb = 0;
+ unsigned int uval = 1;
+ int cmp = 0;
+ int* ptrval;
+
+ old = __sync_fetch_and_add(&val, 1);
+ // CHECK: atomicrmw add i32* %val, i32 1 seq_cst
+
+ old = __sync_fetch_and_sub(&valc, 2);
+ // CHECK: atomicrmw sub i8* %valc, i8 2 seq_cst
+
+ old = __sync_fetch_and_min(&val, 3);
+ // CHECK: atomicrmw min i32* %val, i32 3 seq_cst
+
+ old = __sync_fetch_and_max(&val, 4);
+ // CHECK: atomicrmw max i32* %val, i32 4 seq_cst
+
+ old = __sync_fetch_and_umin(&uval, 5u);
+ // CHECK: atomicrmw umin i32* %uval, i32 5 seq_cst
+
+ old = __sync_fetch_and_umax(&uval, 6u);
+ // CHECK: atomicrmw umax i32* %uval, i32 6 seq_cst
+
+ old = __sync_lock_test_and_set(&val, 7);
+ // CHECK: atomicrmw xchg i32* %val, i32 7 seq_cst
+
+ old = __sync_swap(&val, 8);
+ // CHECK: atomicrmw xchg i32* %val, i32 8 seq_cst
+
+ old = __sync_val_compare_and_swap(&val, 4, 1976);
+ // CHECK: cmpxchg i32* %val, i32 4, i32 1976 seq_cst
+
+ old = __sync_bool_compare_and_swap(&val, 4, 1976);
+ // CHECK: cmpxchg i32* %val, i32 4, i32 1976 seq_cst
+
+ old = __sync_fetch_and_and(&val, 0x9);
+ // CHECK: atomicrmw and i32* %val, i32 9 seq_cst
+
+ old = __sync_fetch_and_or(&val, 0xa);
+ // CHECK: atomicrmw or i32* %val, i32 10 seq_cst
+
+ old = __sync_fetch_and_xor(&val, 0xb);
+ // CHECK: atomicrmw xor i32* %val, i32 11 seq_cst
+
+ old = __sync_add_and_fetch(&val, 1);
+ // CHECK: atomicrmw add i32* %val, i32 1 seq_cst
+
+ old = __sync_sub_and_fetch(&val, 2);
+ // CHECK: atomicrmw sub i32* %val, i32 2 seq_cst
+
+ old = __sync_and_and_fetch(&valc, 3);
+ // CHECK: atomicrmw and i8* %valc, i8 3 seq_cst
+
+ old = __sync_or_and_fetch(&valc, 4);
+ // CHECK: atomicrmw or i8* %valc, i8 4 seq_cst
+
+ old = __sync_xor_and_fetch(&valc, 5);
+ // CHECK: atomicrmw xor i8* %valc, i8 5 seq_cst
+
+ __sync_val_compare_and_swap((void **)0, (void *)0, (void *)0);
+ // CHECK: cmpxchg i32* null, i32 0, i32 0 seq_cst
+
+ if ( __sync_val_compare_and_swap(&valb, 0, 1)) {
+ // CHECK: cmpxchg i8* %valb, i8 0, i8 1 seq_cst
+ old = 42;
+ }
+
+ __sync_bool_compare_and_swap((void **)0, (void *)0, (void *)0);
+ // CHECK: cmpxchg i32* null, i32 0, i32 0 seq_cst
+
+ __sync_lock_release(&val);
+ // CHECK: store atomic i32 0, {{.*}} release, align 4
+
+ __sync_lock_release(&ptrval);
+ // CHECK: store atomic i32 0, {{.*}} release, align 4
+
+ __sync_synchronize ();
+ // CHECK: fence seq_cst
+
+ return old;
+}
+
+// CHECK: @release_return
+void release_return(int *lock) {
+ // Ensure this is actually returning void all the way through.
+ return __sync_lock_release(lock);
+ // CHECK: store atomic {{.*}} release, align 4
+}
+
+
+// rdar://8461279 - Atomics with address spaces.
+// CHECK: @addrspace
+void addrspace(int __attribute__((address_space(256))) * P) {
+ __sync_bool_compare_and_swap(P, 0, 1);
+ // CHECK: cmpxchg i32 addrspace(256)*{{.*}}, i32 0, i32 1 seq_cst
+
+ __sync_val_compare_and_swap(P, 0, 1);
+ // CHECK: cmpxchg i32 addrspace(256)*{{.*}}, i32 0, i32 1 seq_cst
+
+ __sync_xor_and_fetch(P, 123);
+ // CHECK: atomicrmw xor i32 addrspace(256)*{{.*}}, i32 123 seq_cst
+}