| // 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 |
| // Check the atomic code generation for cpu targets w/wo cx16 support. |
| |
| struct alignas(8) AM8 { |
| int f1, f2; |
| }; |
| AM8 m8; |
| AM8 load8() { |
| AM8 am; |
| // CHECK-LABEL: @_Z5load8v |
| // CHECK: load atomic i64, {{.*}} monotonic |
| // CORE2-LABEL: @_Z5load8v |
| // CORE2: load atomic i64, {{.*}} monotonic |
| __atomic_load(&m8, &am, 0); |
| return am; |
| } |
| |
| AM8 s8; |
| void store8() { |
| // CHECK-LABEL: @_Z6store8v |
| // CHECK: store atomic i64 {{.*}} monotonic |
| // CORE2-LABEL: @_Z6store8v |
| // CORE2: store atomic i64 {{.*}} monotonic |
| __atomic_store(&m8, &s8, 0); |
| } |
| |
| bool cmpxchg8() { |
| AM8 am; |
| // CHECK-LABEL: @_Z8cmpxchg8v |
| // CHECK: cmpxchg i64* {{.*}} monotonic |
| // CORE2-LABEL: @_Z8cmpxchg8v |
| // CORE2: cmpxchg i64* {{.*}} monotonic |
| return __atomic_compare_exchange(&m8, &s8, &am, 0, 0, 0); |
| } |
| |
| struct alignas(16) AM16 { |
| long f1, f2; |
| }; |
| |
| AM16 m16; |
| AM16 load16() { |
| AM16 am; |
| // CHECK-LABEL: @_Z6load16v |
| // CHECK: call void @__atomic_load |
| // CORE2-LABEL: @_Z6load16v |
| // CORE2: load atomic i128, {{.*}} monotonic |
| __atomic_load(&m16, &am, 0); |
| return am; |
| } |
| |
| AM16 s16; |
| void store16() { |
| // CHECK-LABEL: @_Z7store16v |
| // CHECK: call void @__atomic_store |
| // CORE2-LABEL: @_Z7store16v |
| // CORE2: store atomic i128 {{.*}} monotonic |
| __atomic_store(&m16, &s16, 0); |
| } |
| |
| bool cmpxchg16() { |
| AM16 am; |
| // CHECK-LABEL: @_Z9cmpxchg16v |
| // CHECK: call zeroext i1 @__atomic_compare_exchange |
| // CORE2-LABEL: @_Z9cmpxchg16v |
| // CORE2: cmpxchg i128* {{.*}} monotonic |
| return __atomic_compare_exchange(&m16, &s16, &am, 0, 0, 0); |
| } |
| |
