forked from OSchip/llvm-project
386 lines
13 KiB
C
386 lines
13 KiB
C
// RUN: %clang_cc1 -fsyntax-only -fopenmp -triple x86_64-unknown-unknown -verify %s -Wuninitialized
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// RUN: %clang_cc1 -fsyntax-only -fopenmp-simd -triple x86_64-unknown-unknown -verify %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 parallel master taskloop
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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 parallel master taskloop'}}
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#pragma omp parallel master taskloop
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// expected-error@+1 {{unexpected OpenMP directive '#pragma omp parallel master taskloop'}}
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#pragma omp parallel master taskloop foo
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void test_no_clause() {
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int i;
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#pragma omp parallel master taskloop
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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 parallel master taskloop' must be a for loop}}
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#pragma omp parallel master taskloop
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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 parallel master taskloop
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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, a;
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// expected-warning@+1 {{extra tokens at the end of '#pragma omp parallel master taskloop' are ignored}}
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#pragma omp parallel master taskloop foo bar
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for (i = 0; i < 16; ++i)
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;
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// expected-error@+1 {{directive '#pragma omp parallel master taskloop' cannot contain more than one 'nogroup' clause}}
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#pragma omp parallel master taskloop nogroup nogroup
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for (i = 0; i < 16; ++i)
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;
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// expected-error@+1 {{unexpected OpenMP clause 'in_reduction' in directive '#pragma omp parallel master taskloop'}}
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#pragma omp parallel master taskloop in_reduction(+:a)
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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 parallel master taskloop' are ignored}}
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#pragma omp parallel master taskloop;
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for (i = 0; i < 16; ++i)
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;
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// expected-warning@+3 {{extra tokens at the end of '#pragma omp parallel master taskloop' are ignored}}
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// expected-error@+2 {{unexpected OpenMP clause 'linear' in directive '#pragma omp parallel master taskloop'}}
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#pragma omp parallel
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#pragma omp parallel master taskloop 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 parallel master taskloop' are ignored}}
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#pragma omp parallel master taskloop 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 parallel master taskloop' are ignored}}
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#pragma omp parallel master taskloop, 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop' are ignored}}
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// expected-error@+1 {{expected '('}}
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#pragma omp parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop', 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 parallel master taskloop 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 parallel master taskloop', 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 parallel master taskloop 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 parallel master taskloop', 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 parallel master taskloop 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 parallel master taskloop', 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 parallel master taskloop 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 parallel master taskloop', 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 parallel master taskloop 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 parallel master taskloop', but found only 1}}
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#pragma omp parallel
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#pragma omp parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop', but found only 1}}
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#pragma omp parallel
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// expected-error@+1 {{expression is not an integer constant expression}}
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#pragma omp parallel master taskloop 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 {{expression is not an integer constant expression}}
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#pragma omp parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop collapse(5 - 5)
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for (i = 0; i < 16; ++i)
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;
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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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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 parallel master taskloop 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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#pragma omp parallel master taskloop 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 {{expected expression}}
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#pragma omp parallel master taskloop 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 {{expected expression}}
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#pragma omp parallel master taskloop firstprivate(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 parallel master taskloop firstprivate(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 parallel master taskloop lastprivate(x) firstprivate(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 parallel master taskloop lastprivate(x, y) firstprivate(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 parallel master taskloop lastprivate(x, y, z) firstprivate(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_loop_messages() {
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float a[100], b[100], c[100];
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#pragma omp parallel
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// expected-error@+2 {{variable must be of integer or pointer type}}
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#pragma omp parallel master taskloop
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for (float fi = 0; fi < 10.0; fi++) {
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c[(int)fi] = a[(int)fi] + b[(int)fi];
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}
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#pragma omp parallel
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// expected-error@+2 {{variable must be of integer or pointer type}}
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#pragma omp parallel master taskloop
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for (double fi = 0; fi < 10.0; fi++) {
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c[(int)fi] = a[(int)fi] + b[(int)fi];
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}
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// expected-warning@+2 {{OpenMP loop iteration variable cannot have more than 64 bits size and will be narrowed}}
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#pragma omp parallel master taskloop
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for (__int128 ii = 0; ii < 10; ii++) {
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c[ii] = a[ii] + b[ii];
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}
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}
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