| // RUN: %clang_cc1 -fsyntax-only -fopenmp -triple x86_64-unknown-unknown -verify %s |
| |
| // expected-error@+1 {{unexpected OpenMP directive '#pragma omp for'}} |
| #pragma omp for |
| |
| // expected-error@+1 {{unexpected OpenMP directive '#pragma omp for'}} |
| #pragma omp for foo |
| |
| void test_no_clause() { |
| int i; |
| #pragma omp for |
| for (i = 0; i < 16; ++i) |
| ; |
| |
| // expected-error@+2 {{statement after '#pragma omp for' must be a for loop}} |
| #pragma omp for |
| ++i; |
| } |
| |
| void test_branch_protected_scope() { |
| int i = 0; |
| L1: |
| ++i; |
| |
| int x[24]; |
| |
| #pragma omp parallel |
| #pragma omp for |
| for (i = 0; i < 16; ++i) { |
| if (i == 5) |
| goto L1; // expected-error {{use of undeclared label 'L1'}} |
| else if (i == 6) |
| return; // expected-error {{cannot return from OpenMP region}} |
| else if (i == 7) |
| goto L2; |
| else if (i == 8) { |
| L2: |
| x[i]++; |
| } |
| } |
| |
| if (x[0] == 0) |
| goto L2; // expected-error {{use of undeclared label 'L2'}} |
| else if (x[1] == 1) |
| goto L1; |
| } |
| |
| void test_invalid_clause() { |
| int i; |
| #pragma omp parallel |
| // expected-warning@+1 {{extra tokens at the end of '#pragma omp for' are ignored}} |
| #pragma omp for foo bar |
| for (i = 0; i < 16; ++i) |
| ; |
| } |
| |
| void test_non_identifiers() { |
| int i, x; |
| |
| #pragma omp parallel |
| // expected-warning@+1 {{extra tokens at the end of '#pragma omp for' are ignored}} |
| #pragma omp for; |
| for (i = 0; i < 16; ++i) |
| ; |
| // expected-warning@+2 {{extra tokens at the end of '#pragma omp for' are ignored}} |
| #pragma omp parallel |
| #pragma omp for linear(x); |
| for (i = 0; i < 16; ++i) |
| ; |
| |
| #pragma omp parallel |
| // expected-warning@+1 {{extra tokens at the end of '#pragma omp for' are ignored}} |
| #pragma omp for private(x); |
| for (i = 0; i < 16; ++i) |
| ; |
| |
| #pragma omp parallel |
| // expected-warning@+1 {{extra tokens at the end of '#pragma omp for' are ignored}} |
| #pragma omp for, private(x); |
| for (i = 0; i < 16; ++i) |
| ; |
| } |
| |
| extern int foo(); |
| |
| void test_collapse() { |
| int i; |
| #pragma omp parallel |
| // expected-error@+1 {{expected '('}} |
| #pragma omp for collapse |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}} |
| #pragma omp for collapse( |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{expected expression}} |
| #pragma omp for collapse() |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}} |
| #pragma omp for collapse(, |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}} |
| #pragma omp for collapse(, ) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-warning@+2 {{extra tokens at the end of '#pragma omp for' are ignored}} |
| // expected-error@+1 {{expected '('}} |
| #pragma omp for collapse 4) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+2 {{expected ')'}} |
| // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}} |
| #pragma omp for collapse(4 |
| for (i = 0; i < 16; ++i) |
| ; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}} |
| #pragma omp parallel |
| // expected-error@+2 {{expected ')'}} |
| // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}} |
| #pragma omp for collapse(4, |
| for (i = 0; i < 16; ++i) |
| ; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}} |
| #pragma omp parallel |
| // expected-error@+2 {{expected ')'}} |
| // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}} |
| #pragma omp for collapse(4, ) |
| for (i = 0; i < 16; ++i) |
| ; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}} |
| #pragma omp parallel |
| // expected-note@+1 {{as specified in 'collapse' clause}} |
| #pragma omp for collapse(4) |
| for (i = 0; i < 16; ++i) |
| ; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}} |
| #pragma omp parallel |
| // expected-error@+2 {{expected ')'}} |
| // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}} |
| #pragma omp for collapse(4 4) |
| for (i = 0; i < 16; ++i) |
| ; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}} |
| #pragma omp parallel |
| // expected-error@+2 {{expected ')'}} |
| // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}} |
| #pragma omp for collapse(4, , 4) |
| for (i = 0; i < 16; ++i) |
| ; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}} |
| #pragma omp parallel |
| #pragma omp for collapse(4) |
| for (int i1 = 0; i1 < 16; ++i1) |
| for (int i2 = 0; i2 < 16; ++i2) |
| for (int i3 = 0; i3 < 16; ++i3) |
| for (int i4 = 0; i4 < 16; ++i4) |
| foo(); |
| #pragma omp parallel |
| // expected-error@+2 {{expected ')'}} |
| // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}} |
| #pragma omp for collapse(4, 8) |
| for (i = 0; i < 16; ++i) |
| ; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}} |
| #pragma omp parallel |
| // expected-error@+1 {{expression is not an integer constant expression}} |
| #pragma omp for collapse(2.5) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{expression is not an integer constant expression}} |
| #pragma omp for collapse(foo()) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{argument to 'collapse' clause must be a positive integer value}} |
| #pragma omp for collapse(-5) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{argument to 'collapse' clause must be a positive integer value}} |
| #pragma omp for collapse(0) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{argument to 'collapse' clause must be a positive integer value}} |
| #pragma omp for collapse(5 - 5) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| #pragma omp for collapse(2) |
| for (i = 0; i < 16; ++i) |
| // expected-note@+1 {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp for' directive into a parallel or another task region?}} |
| for (int j = 0; j < 16; ++j) |
| // expected-error@+2 {{private variable cannot be reduction}} |
| // expected-error@+1 {{region cannot be closely nested inside 'for' region; perhaps you forget to enclose 'omp for' directive into a parallel region?}} |
| #pragma omp for reduction(+ : i, j) |
| for (int k = 0; k < 16; ++k) |
| i += j; |
| } |
| |
| void test_private() { |
| int i; |
| #pragma omp parallel |
| // expected-error@+2 {{expected expression}} |
| // expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}} |
| #pragma omp for private( |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}} |
| // expected-error@+1 2 {{expected expression}} |
| #pragma omp for private(, |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 2 {{expected expression}} |
| #pragma omp for private(, ) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{expected expression}} |
| #pragma omp for private() |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{expected expression}} |
| #pragma omp for private(int) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{expected variable name}} |
| #pragma omp for private(0) |
| for (i = 0; i < 16; ++i) |
| ; |
| |
| int x, y, z; |
| #pragma omp parallel |
| #pragma omp for private(x) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| #pragma omp for private(x, y) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| #pragma omp for private(x, y, z) |
| for (i = 0; i < 16; ++i) { |
| x = y * i + z; |
| } |
| } |
| |
| void test_lastprivate() { |
| int i; |
| #pragma omp parallel |
| // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}} |
| // expected-error@+1 {{expected expression}} |
| #pragma omp for lastprivate( |
| for (i = 0; i < 16; ++i) |
| ; |
| |
| #pragma omp parallel |
| // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}} |
| // expected-error@+1 2 {{expected expression}} |
| #pragma omp for lastprivate(, |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 2 {{expected expression}} |
| #pragma omp for lastprivate(, ) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{expected expression}} |
| #pragma omp for lastprivate() |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{expected expression}} |
| #pragma omp for lastprivate(int) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{expected variable name}} |
| #pragma omp for lastprivate(0) |
| for (i = 0; i < 16; ++i) |
| ; |
| |
| int x, y, z; |
| #pragma omp parallel |
| #pragma omp for lastprivate(x) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| #pragma omp for lastprivate(x, y) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| #pragma omp for lastprivate(x, y, z) |
| for (i = 0; i < 16; ++i) |
| ; |
| } |
| |
| void test_firstprivate() { |
| int i; |
| #pragma omp parallel |
| // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}} |
| // expected-error@+1 {{expected expression}} |
| #pragma omp for firstprivate( |
| for (i = 0; i < 16; ++i) |
| ; |
| |
| #pragma omp parallel |
| // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}} |
| // expected-error@+1 2 {{expected expression}} |
| #pragma omp for firstprivate(, |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 2 {{expected expression}} |
| #pragma omp for firstprivate(, ) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{expected expression}} |
| #pragma omp for firstprivate() |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{expected expression}} |
| #pragma omp for firstprivate(int) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| // expected-error@+1 {{expected variable name}} |
| #pragma omp for firstprivate(0) |
| for (i = 0; i < 16; ++i) |
| ; |
| |
| int x, y, z; |
| #pragma omp parallel |
| #pragma omp for lastprivate(x) firstprivate(x) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| #pragma omp for lastprivate(x, y) firstprivate(x, y) |
| for (i = 0; i < 16; ++i) |
| ; |
| #pragma omp parallel |
| #pragma omp for lastprivate(x, y, z) firstprivate(x, y, z) |
| for (i = 0; i < 16; ++i) |
| ; |
| } |
| |
| void test_loop_messages() { |
| float a[100], b[100], c[100]; |
| #pragma omp parallel |
| // expected-error@+2 {{variable must be of integer or pointer type}} |
| #pragma omp for |
| for (float fi = 0; fi < 10.0; fi++) { |
| c[(int)fi] = a[(int)fi] + b[(int)fi]; |
| } |
| #pragma omp parallel |
| // expected-error@+2 {{variable must be of integer or pointer type}} |
| #pragma omp for |
| for (double fi = 0; fi < 10.0; fi++) { |
| c[(int)fi] = a[(int)fi] + b[(int)fi]; |
| } |
| |
| // expected-warning@+2 {{OpenMP loop iteration variable cannot have more than 64 bits size and will be narrowed}} |
| #pragma omp for |
| for (__int128 ii = 0; ii < 10; ii++) { |
| c[ii] = a[ii] + b[ii]; |
| } |
| } |
| |