Provide, and document, a set of __c11_atomic_* intrinsics to implement C11's
<stdatomic.h> header.
In passing, fix LanguageExtensions to note that C11 and C++11 are no longer
"upcoming standards" but are now actually standardized.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154513 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/atomic-ops.c b/test/CodeGen/atomic-ops.c
index 2285cca..c94f140 100644
--- a/test/CodeGen/atomic-ops.c
+++ b/test/CodeGen/atomic-ops.c
@@ -7,9 +7,9 @@
#ifndef ALREADY_INCLUDED
#define ALREADY_INCLUDED
-// Basic IRGen tests for __atomic_*
+// Basic IRGen tests for __c11_atomic_*
-// FIXME: Need to implement __atomic_is_lock_free
+// FIXME: Need to implement __c11_atomic_is_lock_free
typedef enum memory_order {
memory_order_relaxed, memory_order_consume, memory_order_acquire,
@@ -19,74 +19,74 @@
int fi1(_Atomic(int) *i) {
// CHECK: @fi1
// CHECK: load atomic i32* {{.*}} seq_cst
- return __atomic_load(i, memory_order_seq_cst);
+ return __c11_atomic_load(i, memory_order_seq_cst);
}
void fi2(_Atomic(int) *i) {
// CHECK: @fi2
// CHECK: store atomic i32 {{.*}} seq_cst
- __atomic_store(i, 1, memory_order_seq_cst);
+ __c11_atomic_store(i, 1, memory_order_seq_cst);
}
void fi3(_Atomic(int) *i) {
// CHECK: @fi3
// CHECK: atomicrmw and
- __atomic_fetch_and(i, 1, memory_order_seq_cst);
+ __c11_atomic_fetch_and(i, 1, memory_order_seq_cst);
}
void fi4(_Atomic(int) *i) {
// CHECK: @fi4
// CHECK: cmpxchg i32*
int cmp = 0;
- __atomic_compare_exchange_strong(i, &cmp, 1, memory_order_acquire, memory_order_acquire);
+ __c11_atomic_compare_exchange_strong(i, &cmp, 1, memory_order_acquire, memory_order_acquire);
}
float ff1(_Atomic(float) *d) {
// CHECK: @ff1
// CHECK: load atomic i32* {{.*}} monotonic
- return __atomic_load(d, memory_order_relaxed);
+ return __c11_atomic_load(d, memory_order_relaxed);
}
void ff2(_Atomic(float) *d) {
// CHECK: @ff2
// CHECK: store atomic i32 {{.*}} release
- __atomic_store(d, 1, memory_order_release);
+ __c11_atomic_store(d, 1, memory_order_release);
}
float ff3(_Atomic(float) *d) {
- return __atomic_exchange(d, 2, memory_order_seq_cst);
+ return __c11_atomic_exchange(d, 2, memory_order_seq_cst);
}
int* fp1(_Atomic(int*) *p) {
// CHECK: @fp1
// CHECK: load atomic i32* {{.*}} seq_cst
- return __atomic_load(p, memory_order_seq_cst);
+ return __c11_atomic_load(p, memory_order_seq_cst);
}
int* fp2(_Atomic(int*) *p) {
// CHECK: @fp2
// CHECK: store i32 4
// CHECK: atomicrmw add {{.*}} monotonic
- return __atomic_fetch_add(p, 1, memory_order_relaxed);
+ return __c11_atomic_fetch_add(p, 1, memory_order_relaxed);
}
_Complex float fc(_Atomic(_Complex float) *c) {
// CHECK: @fc
// CHECK: atomicrmw xchg i64*
- return __atomic_exchange(c, 2, memory_order_seq_cst);
+ return __c11_atomic_exchange(c, 2, memory_order_seq_cst);
}
typedef struct X { int x; } X;
X fs(_Atomic(X) *c) {
// CHECK: @fs
// CHECK: atomicrmw xchg i32*
- return __atomic_exchange(c, (X){2}, memory_order_seq_cst);
+ return __c11_atomic_exchange(c, (X){2}, memory_order_seq_cst);
}
int lock_free() {
// CHECK: @lock_free
// CHECK: ret i32 1
- return __atomic_is_lock_free(sizeof(_Atomic(int)));
+ return __c11_atomic_is_lock_free(sizeof(_Atomic(int)));
}
// Tests for atomic operations on big values. These should call the functions
@@ -102,18 +102,18 @@
void structAtomicStore() {
// CHECK: @structAtomicStore
struct foo f = {0};
- __atomic_store(&bigAtomic, f, 5);
+ __c11_atomic_store(&bigAtomic, f, 5);
// CHECK: call void @__atomic_store(i32 512, i8* bitcast (%struct.foo* @bigAtomic to i8*),
}
void structAtomicLoad() {
// CHECK: @structAtomicLoad
- struct foo f = __atomic_load(&bigAtomic, 5);
+ struct foo f = __c11_atomic_load(&bigAtomic, 5);
// CHECK: call void @__atomic_load(i32 512, i8* bitcast (%struct.foo* @bigAtomic to i8*),
}
struct foo structAtomicExchange() {
// CHECK: @structAtomicExchange
struct foo f = {0};
- return __atomic_exchange(&bigAtomic, f, 5);
+ return __c11_atomic_exchange(&bigAtomic, f, 5);
// CHECK: call void @__atomic_exchange(i32 512, i8* bitcast (%struct.foo* @bigAtomic to i8*),
}
int structAtomicCmpExchange() {
@@ -121,7 +121,7 @@
struct foo f = {0};
struct foo g = {0};
g.big[12] = 12;
- return __atomic_compare_exchange_strong(&bigAtomic, &f, g, 5, 5);
+ return __c11_atomic_compare_exchange_strong(&bigAtomic, &f, g, 5, 5);
// CHECK: call zeroext i1 @__atomic_compare_exchange(i32 512, i8* bitcast (%struct.foo* @bigAtomic to i8*),
}