| // RUN: %clang_cc1 -triple x86_64-linux-gnu -target-cpu core2 %s -S -emit-llvm -o - | FileCheck %s |
| |
| // All atomics up to 16 bytes should be emitted inline on x86_64. The |
| // backend can reform __sync_whatever calls if necessary (e.g. the CPU |
| // doesn't have cmpxchg16b). |
| |
| __int128 test_sync_call(__int128 *addr, __int128 val) { |
| // CHECK-LABEL: @test_sync_call |
| // CHECK: atomicrmw add i128 |
| return __sync_fetch_and_add(addr, val); |
| } |
| |
| __int128 test_c11_call(_Atomic __int128 *addr, __int128 val) { |
| // CHECK-LABEL: @test_c11_call |
| // CHECK: atomicrmw sub |
| return __c11_atomic_fetch_sub(addr, val, 0); |
| } |
| |
| __int128 test_atomic_call(__int128 *addr, __int128 val) { |
| // CHECK-LABEL: @test_atomic_call |
| // CHECK: atomicrmw or |
| return __atomic_fetch_or(addr, val, 0); |
| } |
| |
| __int128 test_expression(_Atomic __int128 *addr) { |
| // CHECK-LABEL: @test_expression |
| // CHECK: atomicrmw and |
| *addr &= 1; |
| } |
