// 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; } |