[OPENMP] Allow only loop control variables in distribute simd
directives.
According to the OpenMP standard, only loop control variables can be
used in linear clauses of distribute-based simd directives.
llvm-svn: 319362
diff --git a/clang/test/OpenMP/target_teams_distribute_simd_linear_messages.cpp b/clang/test/OpenMP/target_teams_distribute_simd_linear_messages.cpp
index 8db57a0..2be792b 100644
--- a/clang/test/OpenMP/target_teams_distribute_simd_linear_messages.cpp
+++ b/clang/test/OpenMP/target_teams_distribute_simd_linear_messages.cpp
@@ -18,33 +18,42 @@
{
int B = 0;
+// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(B:bfoo())
for (int i = 0; i < 10; ++i) ;
+// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(B::ib:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'}}
for (int i = 0; i < 10; ++i) ;
+// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(B:ib) // expected-error {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
for (int i = 0; i < 10; ++i) ;
+// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(z:B:ib) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'?}}
for (int i = 0; i < 10; ++i) ;
+// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(B:B::bfoo())
for (int i = 0; i < 10; ++i) ;
+// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(X::x : ::z)
for (int i = 0; i < 10; ++i) ;
+// expected-error@+1 3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(B,::z, X::x)
for (int i = 0; i < 10; ++i) ;
+// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(::z)
for (int i = 0; i < 10; ++i) ;
#pragma omp target teams distribute simd linear(B::bfoo()) // expected-error {{expected variable name}}
for (int i = 0; i < 10; ++i) ;
+// expected-error@+1 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(B::ib,B:C1+C2)
for (int i = 0; i < 10; ++i) ;
}
@@ -65,6 +74,7 @@
template<int LEN> int test_warn() {
int ind2 = 0;
+// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(ind2:LEN) // expected-warning {{zero linear step (ind2 should probably be const)}}
for (int i = 0; i < 100; i++) {
ind2 += LEN;
@@ -118,15 +128,18 @@
#pragma omp target teams distribute simd linear () // expected-error {{expected expression}}
for (int k = 0; k < argc; ++k) ++k;
+// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
+// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute 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 target teams distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
for (int k = 0; k < argc; ++k) ++k;
+// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear (argc : 5)
for (int k = 0; k < argc; ++k) ++k;
@@ -139,33 +152,17 @@
#pragma omp target teams distribute simd linear (argv[1]) // expected-error {{expected variable name}}
for (int k = 0; k < argc; ++k) ++k;
+// expected-error@+1 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(e, g)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target teams distribute simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
for (int k = 0; k < argc; ++k) ++k;
+// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(i)
for (int k = 0; k < argc; ++k) ++k;
- #pragma omp parallel
- {
- int v = 0;
- int i;
- #pragma omp target teams distribute simd linear(v:i)
- for (int k = 0; k < argc; ++k) { i = k; v += i; }
- }
-
-#pragma omp target teams distribute simd linear(j)
- for (int k = 0; k < argc; ++k) ++k;
-
- int v = 0;
-
-#pragma omp target teams distribute simd linear(v:j)
- for (int k = 0; k < argc; ++k) { ++k; v += j; }
-
-#pragma omp target teams distribute simd linear(i)
- for (int k = 0; k < argc; ++k) ++k;
return 0;
}
@@ -198,15 +195,18 @@
#pragma omp target teams distribute simd linear () // expected-error {{expected expression}}
for (int k = 0; k < argc; ++k) ++k;
+// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
+// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute 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 target teams distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
for (int k = 0; k < argc; ++k) ++k;
+// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear (argc)
for (int k = 0; k < argc; ++k) ++k;
@@ -226,22 +226,6 @@
#pragma omp target teams distribute simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
for (int k = 0; k < argc; ++k) ++k;
- #pragma omp parallel
- {
- int i;
- #pragma omp target teams distribute simd linear(i)
- for (int k = 0; k < argc; ++k) ++k;
-
- #pragma omp target teams distribute simd linear(i : 4)
- for (int k = 0; k < argc; ++k) { ++k; i += 4; }
- }
-
-#pragma omp target teams distribute simd linear(j)
- for (int k = 0; k < argc; ++k) ++k;
-
-#pragma omp target teams distribute simd linear(i)
- for (int k = 0; k < argc; ++k) ++k;
-
foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
return 0;
}
