[OPENMP] parsing 'linear' clause (for directive 'omp simd')
Differential Revision: http://reviews.llvm.org/D3272
llvm-svn: 206891
diff --git a/clang/test/OpenMP/simd_linear_messages.cpp b/clang/test/OpenMP/simd_linear_messages.cpp
new file mode 100644
index 0000000..e90bc69
--- /dev/null
+++ b/clang/test/OpenMP/simd_linear_messages.cpp
@@ -0,0 +1,205 @@
+// RUN: %clang_cc1 -verify -fopenmp=libiomp5 %s
+
+namespace X {
+ int x;
+};
+
+struct B {
+ static int ib; // expected-note {{'B::ib' declared here}}
+ static int bfoo() { return 8; }
+};
+
+int bfoo() { return 4; }
+
+int z;
+const int C1 = 1;
+const int C2 = 2;
+void test_linear_colons()
+{
+ int B = 0;
+ #pragma omp simd linear(B:bfoo())
+ for (int i = 0; i < 10; ++i) ;
+ // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
+ #pragma omp simd linear(B::ib:B:bfoo())
+ for (int i = 0; i < 10; ++i) ;
+ // expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
+ #pragma omp simd linear(B:ib)
+ for (int i = 0; i < 10; ++i) ;
+ // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
+ #pragma omp simd linear(z:B:ib)
+ for (int i = 0; i < 10; ++i) ;
+ #pragma omp simd linear(B:B::bfoo())
+ for (int i = 0; i < 10; ++i) ;
+ #pragma omp simd linear(X::x : ::z)
+ for (int i = 0; i < 10; ++i) ;
+ #pragma omp simd linear(B,::z, X::x)
+ for (int i = 0; i < 10; ++i) ;
+ #pragma omp simd linear(::z)
+ for (int i = 0; i < 10; ++i) ;
+ // expected-error@+1 {{expected variable name}}
+ #pragma omp simd linear(B::bfoo())
+ for (int i = 0; i < 10; ++i) ;
+ #pragma omp simd linear(B::ib,B:C1+C2)
+ for (int i = 0; i < 10; ++i) ;
+}
+
+template<int L, class T, class N> T test_template(T* arr, N num) {
+ N i;
+ T sum = (T)0;
+ T ind2 = - num * L; // expected-note {{'ind2' defined here}}
+ // expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}
+#pragma omp simd linear(ind2:L)
+ for (i = 0; i < num; ++i) {
+ T cur = arr[ind2];
+ ind2 += L;
+ sum += cur;
+ }
+}
+
+template<int LEN> int test_warn() {
+ int ind2 = 0;
+ // expected-warning@+1 {{zero linear step (ind2 should probably be const)}}
+ #pragma omp simd linear(ind2:LEN)
+ for (int i = 0; i < 100; i++) {
+ ind2 += LEN;
+ }
+ return ind2;
+}
+
+struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
+extern S1 a;
+class S2 {
+ mutable int a;
+public:
+ S2():a(0) { }
+};
+const S2 b; // expected-note 2 {{'b' defined here}}
+const S2 ba[5];
+class S3 {
+ int a;
+public:
+ S3():a(0) { }
+};
+const S3 ca[5];
+class S4 {
+ int a;
+ S4();
+public:
+ S4(int v):a(v) { }
+};
+class S5 {
+ int a;
+ S5():a(0) {}
+public:
+ S5(int v):a(v) { }
+};
+
+S3 h;
+#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
+
+template<class I, class C> int foomain(I argc, C **argv) {
+ I e(4);
+ I g(5);
+ int i;
+ int &j = i; // expected-note {{'j' defined here}}
+ #pragma omp simd linear // expected-error {{expected '(' after 'linear'}}
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear () // expected-error {{expected expression}}
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear (argc : 5)
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear (S1) // expected-error {{'S1' does not refer to a value}}
+ for (int k = 0; k < argc; ++k) ++k;
+ // expected-error@+2 {{linear variable with incomplete type 'S1'}}
+ // expected-error@+1 {{const-qualified variable cannot be linear}}
+ #pragma omp simd linear (a, b:B::ib)
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear (argv[1]) // expected-error {{expected variable name}}
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear(e, g)
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear(i)
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp parallel
+ {
+ int v = 0;
+ int i;
+ #pragma omp simd linear(v:i)
+ for (int k = 0; k < argc; ++k) { i = k; v += i; }
+ }
+ #pragma omp simd linear(j) // expected-error {{arguments of OpenMP clause 'linear' cannot be of reference type}}
+ for (int k = 0; k < argc; ++k) ++k;
+ int v = 0;
+ #pragma omp simd linear(v:j)
+ for (int k = 0; k < argc; ++k) { ++k; v += j; }
+ #pragma omp simd linear(i)
+ for (int k = 0; k < argc; ++k) ++k;
+ return 0;
+}
+
+int main(int argc, char **argv) {
+ double darr[100];
+ // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
+ test_template<-4>(darr, 4);
+ // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
+ test_warn<0>();
+
+ S4 e(4); // expected-note {{'e' defined here}}
+ S5 g(5); // expected-note {{'g' defined here}}
+ int i;
+ int &j = i; // expected-note {{'j' defined here}}
+ #pragma omp simd linear // expected-error {{expected '(' after 'linear'}}
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear () // expected-error {{expected expression}}
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear (argc)
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear (S1) // expected-error {{'S1' does not refer to a value}}
+ for (int k = 0; k < argc; ++k) ++k;
+ // expected-error@+2 {{linear variable with incomplete type 'S1'}}
+ // expected-error@+1 {{const-qualified variable cannot be linear}}
+ #pragma omp simd linear (a, b)
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear (argv[1]) // expected-error {{expected variable name}}
+ for (int k = 0; k < argc; ++k) ++k;
+ // expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}
+ // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
+ #pragma omp simd linear(e, g)
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp parallel
+ {
+ int i;
+ #pragma omp simd linear(i)
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear(i : 4)
+ for (int k = 0; k < argc; ++k) { ++k; i += 4; }
+ }
+ #pragma omp simd linear(j) // expected-error {{arguments of OpenMP clause 'linear' cannot be of reference type 'int &'}}
+ for (int k = 0; k < argc; ++k) ++k;
+ #pragma omp simd linear(i)
+ for (int k = 0; k < argc; ++k) ++k;
+
+ foomain<int,char>(argc,argv);
+ return 0;
+}
+