// RUN: %clang_cc1 %s -std=c++11 -emit-llvm -o - -triple=x86_64-linux-gnu | FileCheck %s
// RUN: %clang_cc1 %s -std=c++11 -emit-llvm -o - -triple=x86_64-linux-gnu -target-cpu core2 | FileCheck %s --check-prefix=CORE2
-// RUN: %clang_cc1 %s -std=c++11 -emit-llvm -o - -triple=i386-linux-gnu -target-cpu i386 | FileCheck %s --check-prefix=I386
-// RUN: %clang_cc1 %s -std=c++11 -emit-llvm -o - -triple=i386-linux-gnu -target-cpu i486 | FileCheck %s --check-prefix=I486
-// Check the atomic code generation for cpu targets w/wo cx, cx8 and cx16 support.
-
-struct alignas(4) AM4 {
- short f1, f2;
-};
-AM4 m4;
-AM4 load4() {
- AM4 am;
- // CHECK-LABEL: @_Z5load4v
- // CHECK: load atomic i32, {{.*}} monotonic
- // CORE2-LABEL: @_Z5load4v
- // CORE2: load atomic i32, {{.*}} monotonic
- // I386-LABEL: @_Z5load4v
- // I386: call i32 @__atomic_load_4
- // I486-LABEL: @_Z5load4v
- // I486: load atomic i32, {{.*}} monotonic
- __atomic_load(&m4, &am, 0);
- return am;
-}
-
-AM4 s4;
-void store4() {
- // CHECK-LABEL: @_Z6store4v
- // CHECK: store atomic i32 {{.*}} monotonic
- // CORE2-LABEL: @_Z6store4v
- // CORE2: store atomic i32 {{.*}} monotonic
- // I386-LABEL: @_Z6store4v
- // I386: call void @__atomic_store_4
- // I486-LABEL: @_Z6store4v
- // I486: store atomic i32 {{.*}} monotonic
- __atomic_store(&m4, &s4, 0);
-}
-
-bool cmpxchg4() {
- AM4 am;
- // CHECK-LABEL: @_Z8cmpxchg4v
- // CHECK: cmpxchg i32* {{.*}} monotonic
- // CORE2-LABEL: @_Z8cmpxchg4v
- // CORE2: cmpxchg i32* {{.*}} monotonic
- // I386-LABEL: @_Z8cmpxchg4v
- // I386: call zeroext i1 @__atomic_compare_exchange_4
- // I486-LABEL: @_Z8cmpxchg4v
- // I486: cmpxchg i32* {{.*}} monotonic
- return __atomic_compare_exchange(&m4, &s4, &am, 0, 0, 0);
-}
+// Check the atomic code generation for cpu targets w/wo cx16 support.
struct alignas(8) AM8 {
int f1, f2;
// CHECK: load atomic i64, {{.*}} monotonic
// CORE2-LABEL: @_Z5load8v
// CORE2: load atomic i64, {{.*}} monotonic
- // I386-LABEL: @_Z5load8v
- // I386: call i64 @__atomic_load_8
- // I486-LABEL: @_Z5load8v
- // I486: call i64 @__atomic_load_8
__atomic_load(&m8, &am, 0);
return am;
}
// CHECK: store atomic i64 {{.*}} monotonic
// CORE2-LABEL: @_Z6store8v
// CORE2: store atomic i64 {{.*}} monotonic
- // I386-LABEL: @_Z6store8v
- // I386: call void @__atomic_store_8
- // I486-LABEL: @_Z6store8v
- // I486: call void @__atomic_store_8
__atomic_store(&m8, &s8, 0);
}
// CHECK: cmpxchg i64* {{.*}} monotonic
// CORE2-LABEL: @_Z8cmpxchg8v
// CORE2: cmpxchg i64* {{.*}} monotonic
- // I386-LABEL: @_Z8cmpxchg8v
- // I386: call zeroext i1 @__atomic_compare_exchange_8
- // I486-LABEL: @_Z8cmpxchg8v
- // I486: call zeroext i1 @__atomic_compare_exchange_8
return __atomic_compare_exchange(&m8, &s8, &am, 0, 0, 0);
}
// CORE2: cmpxchg i128* {{.*}} monotonic
return __atomic_compare_exchange(&m16, &s16, &am, 0, 0, 0);
}
+