function-attr.cpp
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// RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -stack-protector 2 -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-apple-darwin10 -stack-protector 2 -emit-llvm -o - %s | FileCheck --check-prefix SIMD-ONLY0 %s
// SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
// Check that function attributes are added to the OpenMP runtime functions.
template <class T>
struct S {
T f;
S(T a) : f(a) {}
S() : f() {}
operator T() { return T(); }
~S() {}
};
// CHECK: define internal void @.omp.copyprivate.copy_func(i8* %0, i8* %1) [[ATTR0:#[0-9]+]] {
void foo0();
int foo1() {
char a;
#pragma omp parallel
a = 2;
#pragma omp single copyprivate(a)
foo0();
return 0;
}
// CHECK: define internal void @.omp_task_privates_map.({{.*}}) [[ATTR3:#[0-9]+]] {
// CHECK: define internal i32 @.omp_task_entry.({{.*}}) [[ATTR0]] {
// CHECK: define internal i32 @.omp_task_destructor.({{.*}}) [[ATTR0]] {
int foo2() {
S<double> s_arr[] = {1, 2};
S<double> var(3);
#pragma omp task private(s_arr, var)
s_arr[0] = var;
return 0;
}
// CHECK: define internal void @.omp.reduction.reduction_func(i8* %0, i8* %1) [[ATTR0]] {
float foo3(int n, float *a, float *b) {
int i;
float result;
#pragma omp parallel for private(i) reduction(+:result)
for (i=0; i < n; i++)
result = result + (a[i] * b[i]);
return result;
}
// CHECK: attributes [[ATTR0]] = {{{.*}} sspstrong {{.*}}}
// CHECK: attributes [[ATTR3]] = {{{.*}} sspstrong {{.*}}}