[OPENMP50]Add support for 'parallel master taskloop' construct.

Added parsing/sema/codegen support for 'parallel master taskloop'
constructs. Some of the clauses, like 'grainsize', 'num_tasks', 'final'
and 'priority' are not supported in full, only constant expressions can
be used currently in these clauses.

llvm-svn: 374791

1 files changed, 103 insertions, 0 deletions

diff --git a/clang/test/OpenMP/parallel_master_taskloop_num_tasks_messages.cpp b/clang/test/OpenMP/parallel_master_taskloop_num_tasks_messages.cpp
new file mode 100644
index 00000000000..e6fe5caf96e
--- /dev/null
+++ b/clang/test/OpenMP/parallel_master_taskloop_num_tasks_messages.cpp
@@ -0,0 +1,103 @@
+// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s -Wuninitialized
+
+// RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 %s -Wuninitialized
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note {{declared here}}
+
+template <class T, class S> // expected-note {{declared here}}
+int tmain(T argc, S **argv) {
+  T z;
+  #pragma omp parallel master taskloop num_tasks // expected-error {{expected '(' after 'num_tasks'}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks () // expected-error {{expected expression}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel master taskloop' are ignored}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks (argc > 0 ? argv[1][0] : argv[2][argc] + z)
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks (foobool(argc)), num_tasks (true) // expected-error {{directive '#pragma omp parallel master taskloop' cannot contain more than one 'num_tasks' clause}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks (S) // expected-error {{'S' does not refer to a value}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks(0) // expected-error {{argument to 'num_tasks' clause must be a strictly positive integer value}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks(-1) // expected-error {{argument to 'num_tasks' clause must be a strictly positive integer value}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks(argc) grainsize(argc) // expected-error {{'grainsize' and 'num_tasks' clause are mutually exclusive and may not appear on the same directive}} expected-note {{'num_tasks' clause is specified here}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+
+  return 0;
+}
+
+int main(int argc, char **argv) {
+  int z;
+  #pragma omp parallel master taskloop num_tasks // expected-error {{expected '(' after 'num_tasks'}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks () // expected-error {{expected expression}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel master taskloop' are ignored}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks (argc > 0 ? argv[1][0] : argv[2][argc] - z)
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks (foobool(argc)), num_tasks (true) // expected-error {{directive '#pragma omp parallel master taskloop' cannot contain more than one 'num_tasks' clause}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks (S1) // expected-error {{'S1' does not refer to a value}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks(0)  // expected-error {{argument to 'num_tasks' clause must be a strictly positive integer value}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks(-1) // expected-error {{argument to 'num_tasks' clause must be a strictly positive integer value}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+  #pragma omp parallel master taskloop num_tasks(argc) grainsize(argc) // expected-error {{'grainsize' and 'num_tasks' clause are mutually exclusive and may not appear on the same directive}} expected-note {{'num_tasks' clause is specified here}}
+  for (int i = 0; i < 10; ++i)
+    foo();
+
+  return tmain(argc, argv);
+}