requires_acq_rel_codegen.cpp
1.44 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=50 %s -triple x86_64-apple-darwin10 -x c++ -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -x c++ -std=c++11 -emit-pch -o %t %s -triple x86_64-apple-darwin10
// RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -std=c++11 -include-pch %t -verify %s -triple x86_64-apple-darwin10 -x c++ -emit-llvm -o -| FileCheck %s
// RUN: %clang_cc1 -verify -fopenmp-simd %s -fopenmp-version=50 -x c++ -emit-llvm -triple x86_64-apple-darwin10 -o -| FileCheck %s --check-prefix SIMD-ONLY0
// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=50 -x c++ -std=c++11 -emit-pch -o %t %s -triple x86_64-apple-darwin10
// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=50 -std=c++11 -include-pch %t -verify %s -emit-llvm -x c++ -emit-llvm -triple x86_64-apple-darwin10 -o -| FileCheck %s --check-prefix SIMD-ONLY0
// SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
// expected-no-diagnostics
#ifndef HEADER
#define HEADER
#pragma omp requires atomic_default_mem_order(acq_rel)
// CHECK-LABEL: foo
void foo() {
int a = 0, b = 0;
// CHECK: load atomic i32,{{.*}}acquire
#pragma omp atomic read
a = b;
// CHECK: store atomic i32{{.*}}release
#pragma omp atomic write
a = b;
// CHECK: atomicrmw add i32{{.*}}release
#pragma omp atomic
a += 1;
// CHECK: atomicrmw add i32{{.*}}release
#pragma omp atomic update
a += 1;
// CHECK: atomicrmw add i32{{.*}}acq_rel
#pragma omp atomic capture
{
b = a;
a += 1;
}
}
#endif