419 lines
13 KiB
C
419 lines
13 KiB
C
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// RUN: %clang_cc1 -fsyntax-only -fopenmp -fopenmp-version=45 -triple x86_64-unknown-unknown -verify=expected,omp45 %s -Wuninitialized
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// RUN: %clang_cc1 -fsyntax-only -fopenmp -triple x86_64-unknown-unknown -verify=expected,omp50 %s -Wuninitialized
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// RUN: %clang_cc1 -fsyntax-only -fopenmp-simd -fopenmp-version=45 -triple x86_64-unknown-unknown -verify=expected,omp45 %s -Wuninitialized
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// RUN: %clang_cc1 -fsyntax-only -fopenmp-simd -triple x86_64-unknown-unknown -verify=expected,omp50 %s -Wuninitialized
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void xxx(int argc) {
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int x; // expected-note {{initialize the variable 'x' to silence this warning}}
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#pragma omp for
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for (int i = 0; i < 10; ++i)
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argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
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}
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// expected-error@+1 {{unexpected OpenMP directive '#pragma omp for'}}
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#pragma omp for
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// expected-error@+1 {{unexpected OpenMP directive '#pragma omp for'}}
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#pragma omp for foo
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void test_no_clause() {
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int i;
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#pragma omp for
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for (i = 0; i < 16; ++i)
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;
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// expected-error@+2 {{statement after '#pragma omp for' must be a for loop}}
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#pragma omp for
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++i;
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}
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void test_branch_protected_scope() {
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int i = 0;
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L1:
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++i;
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int x[24];
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#pragma omp parallel
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#pragma omp for
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for (i = 0; i < 16; ++i) {
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if (i == 5)
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goto L1; // expected-error {{use of undeclared label 'L1'}}
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else if (i == 6)
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return; // expected-error {{cannot return from OpenMP region}}
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else if (i == 7)
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goto L2;
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else if (i == 8) {
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L2:
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x[i]++;
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}
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}
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if (x[0] == 0)
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goto L2; // expected-error {{use of undeclared label 'L2'}}
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else if (x[1] == 1)
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goto L1;
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}
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void test_invalid_clause() {
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int i;
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#pragma omp parallel
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// expected-warning@+1 {{extra tokens at the end of '#pragma omp for' are ignored}}
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#pragma omp for foo bar
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for (i = 0; i < 16; ++i)
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;
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// At one time, this failed an assert.
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// expected-error@+1 {{unexpected OpenMP clause 'num_teams' in directive '#pragma omp for'}}
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#pragma omp for num_teams(3)
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for (i = 0; i < 16; ++i)
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;
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// At one time, this error was reported twice.
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// expected-error@+1 {{unexpected OpenMP clause 'uniform' in directive '#pragma omp for'}}
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#pragma omp for uniform
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for (i = 0; i < 16; ++i)
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;
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// expected-error@+1 {{unexpected OpenMP clause 'if' in directive '#pragma omp for'}}
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#pragma omp for if(0)
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for (i = 0; i < 16; ++i)
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;
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}
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void test_non_identifiers() {
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int i, x;
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#pragma omp parallel
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// expected-warning@+1 {{extra tokens at the end of '#pragma omp for' are ignored}}
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#pragma omp for;
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for (i = 0; i < 16; ++i)
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;
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// expected-warning@+2 {{extra tokens at the end of '#pragma omp for' are ignored}}
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#pragma omp parallel
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#pragma omp for linear(x);
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-warning@+1 {{extra tokens at the end of '#pragma omp for' are ignored}}
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#pragma omp for private(x);
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-warning@+1 {{extra tokens at the end of '#pragma omp for' are ignored}}
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#pragma omp for, private(x);
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for (i = 0; i < 16; ++i)
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;
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}
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extern int foo();
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void test_collapse() {
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int i;
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#pragma omp parallel
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// expected-error@+1 {{expected '('}}
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#pragma omp for collapse
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
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#pragma omp for collapse(
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 {{expected expression}}
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#pragma omp for collapse()
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
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#pragma omp for collapse(,
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
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#pragma omp for collapse(, )
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-warning@+2 {{extra tokens at the end of '#pragma omp for' are ignored}}
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// expected-error@+1 {{expected '('}}
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#pragma omp for collapse 4)
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+2 {{expected ')'}}
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// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
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#pragma omp for collapse(4
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for (i = 0; i < 16; ++i)
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; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
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#pragma omp parallel
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// expected-error@+2 {{expected ')'}}
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// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
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#pragma omp for collapse(4,
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for (i = 0; i < 16; ++i)
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; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
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#pragma omp parallel
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// expected-error@+2 {{expected ')'}}
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// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
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#pragma omp for collapse(4, )
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for (i = 0; i < 16; ++i)
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; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
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#pragma omp parallel
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// expected-note@+1 {{as specified in 'collapse' clause}}
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#pragma omp for collapse(4)
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for (i = 0; i < 16; ++i)
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; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
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#pragma omp parallel
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// expected-error@+2 {{expected ')'}}
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// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
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#pragma omp for collapse(4 4)
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for (i = 0; i < 16; ++i)
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; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
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#pragma omp parallel
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// expected-error@+2 {{expected ')'}}
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// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
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#pragma omp for collapse(4, , 4)
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for (i = 0; i < 16; ++i)
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; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
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#pragma omp parallel
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#pragma omp for collapse(4)
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for (int i1 = 0; i1 < 16; ++i1)
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for (int i2 = 0; i2 < 16; ++i2)
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for (int i3 = 0; i3 < 16; ++i3)
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for (int i4 = 0; i4 < 16; ++i4)
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foo();
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#pragma omp parallel
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// expected-error@+2 {{expected ')'}}
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// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
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#pragma omp for collapse(4, 8)
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for (i = 0; i < 16; ++i)
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; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
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#pragma omp parallel
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// expected-error@+1 {{integer constant expression}}
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#pragma omp for collapse(2.5)
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 {{integer constant expression}}
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#pragma omp for collapse(foo())
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
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#pragma omp for collapse(-5)
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
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#pragma omp for collapse(0)
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
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#pragma omp for collapse(5 - 5)
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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#pragma omp for collapse(2)
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for (i = 0; i < 16; ++i) // expected-note {{defined as private}}
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// 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?}}
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for (int j = 0; j < 16; ++j)
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// expected-error@+2 2 {{reduction variable must be shared}}
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// expected-error@+1 {{region cannot be closely nested inside 'for' region; perhaps you forget to enclose 'omp for' directive into a parallel region?}}
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#pragma omp for reduction(+ : i, j)
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for (int k = 0; k < 16; ++k)
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i += j;
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}
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void test_private() {
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int i;
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#pragma omp parallel
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// expected-error@+2 {{expected expression}}
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// expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
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#pragma omp for private(
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
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// expected-error@+1 2 {{expected expression}}
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#pragma omp for private(,
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 2 {{expected expression}}
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#pragma omp for private(, )
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 {{expected expression}}
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#pragma omp for private()
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 {{expected expression}}
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#pragma omp for private(int)
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 {{expected variable name}}
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#pragma omp for private(0)
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for (i = 0; i < 16; ++i)
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;
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int x, y, z;
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#pragma omp parallel
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#pragma omp for private(x)
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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#pragma omp for private(x, y)
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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#pragma omp for private(x, y, z)
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for (i = 0; i < 16; ++i) {
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x = y * i + z;
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}
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}
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void test_lastprivate() {
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int i;
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#pragma omp parallel
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// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
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// expected-error@+1 {{expected expression}}
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#pragma omp for lastprivate(
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
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// expected-error@+1 2 {{expected expression}}
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#pragma omp for lastprivate(,
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 2 {{expected expression}}
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#pragma omp for lastprivate(, )
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 {{expected expression}}
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#pragma omp for lastprivate()
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 {{expected expression}}
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#pragma omp for lastprivate(int)
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 {{expected variable name}}
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#pragma omp for lastprivate(0)
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for (i = 0; i < 16; ++i)
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;
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int x, y, z;
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#pragma omp parallel
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#pragma omp for lastprivate(x)
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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#pragma omp for lastprivate(x, y)
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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#pragma omp for lastprivate(x, y, z)
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for (i = 0; i < 16; ++i)
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;
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}
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void test_firstprivate() {
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int i;
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#pragma omp parallel
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// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
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// expected-error@+1 {{expected expression}}
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#pragma omp for firstprivate(
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
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// expected-error@+1 2 {{expected expression}}
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#pragma omp for firstprivate(,
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for (i = 0; i < 16; ++i)
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;
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#pragma omp parallel
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// expected-error@+1 2 {{expected expression}}
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||
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|
#pragma omp for firstprivate(, )
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||
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|
for (i = 0; i < 16; ++i)
|
||
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|
;
|
||
|
|
#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];
|
||
|
|
}
|
||
|
|
#pragma omp for order // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp for'}} expected-error {{expected '(' after 'order'}}
|
||
|
|
for (int i = 0; i < 10; ++i)
|
||
|
|
;
|
||
|
|
#pragma omp for order( // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp for'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}}
|
||
|
|
for (int i = 0; i < 10; ++i)
|
||
|
|
;
|
||
|
|
#pragma omp for order(none // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp for'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}}
|
||
|
|
for (int i = 0; i < 10; ++i)
|
||
|
|
;
|
||
|
|
#pragma omp for order(concurrent // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp for'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
|
||
|
|
for (int i = 0; i < 10; ++i)
|
||
|
|
;
|
||
|
|
#pragma omp for ordered order(concurrent) // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp for'}} omp50-error {{'order' clause with 'concurrent' modifier cannot be specified if an 'ordered' clause is specified}} omp50-note {{'ordered' clause}}
|
||
|
|
for (int i = 0; i < 10; ++i)
|
||
|
|
;
|
||
|
|
}
|
||
|
|
|