Files
llvm-project/clang/test/OpenMP/target_parallel_default_messages.cpp
Arpith Chacko Jacob 3d58f26929 [OpenMP] Prevent nesting of target constructs within target code execution regions.
Summary:
This patch enhances Sema to check for the following restriction:

OpenMP 4.5 [2.17 Nesting of Regions]
If a target, target update, target data, target enter data, or
target exit data construct is encountered during execution of a
target region, the behavior is unspecified.

Reviewers: ABataev

Differential Revision: http://reviews.llvm.org/D16758

llvm-svn: 259464
2016-02-02 04:00:47 +00:00

28 lines
1.2 KiB
C++

// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 -o - %s
void foo();
int main(int argc, char **argv) {
#pragma omp target parallel default // expected-error {{expected '(' after 'default'}}
foo();
#pragma omp target parallel default ( // expected-error {{expected 'none' or 'shared' in OpenMP clause 'default'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
foo();
#pragma omp target parallel default () // expected-error {{expected 'none' or 'shared' in OpenMP clause 'default'}}
foo();
#pragma omp target parallel default (none // expected-error {{expected ')'}} expected-note {{to match this '('}}
foo();
#pragma omp target parallel default (shared), default(shared) // expected-error {{directive '#pragma omp target parallel' cannot contain more than one 'default' clause}}
foo();
#pragma omp target parallel default (x) // expected-error {{expected 'none' or 'shared' in OpenMP clause 'default'}}
foo();
#pragma omp target parallel default(none)
++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
#pragma omp target parallel default(none)
foo();
#pragma omp target parallel default(shared)
++argc;
return 0;
}