334 lines
6.7 KiB
C
334 lines
6.7 KiB
C
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// RUN: %clang_cc1 -fsyntax-only -fopenmp -verify %s -Wuninitialized
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// RUN: %clang_cc1 -fsyntax-only -fopenmp-simd -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 sections
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{
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argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
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}
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}
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void foo();
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// expected-error@+1 {{unexpected OpenMP directive '#pragma omp sections'}}
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#pragma omp sections
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// expected-error@+1 {{unexpected OpenMP directive '#pragma omp sections'}}
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#pragma omp sections foo
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void test_no_clause() {
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int i;
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#pragma omp sections
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{
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foo();
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}
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// expected-error@+2 {{the statement for '#pragma omp sections' must be a compound statement}}
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#pragma omp sections
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++i;
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#pragma omp sections
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{
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foo();
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foo(); // expected-error {{statement in 'omp sections' directive must be enclosed into a section region}}
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}
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#pragma omp parallel
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#pragma omp sections
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{
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{
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if (i == 6)
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return; // expected-error {{cannot return from OpenMP region}}
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}
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#pragma omp section
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{
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if (i == 6)
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return; // expected-error {{cannot return from OpenMP region}}
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}
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}
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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 sections
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{
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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 == 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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#pragma omp section
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if (i == 5)
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goto L1;
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else if (i == 7)
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goto L3;
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else if (i == 8) {
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L3:
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x[i]++;
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}
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}
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#pragma omp parallel
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#pragma omp sections
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{
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#pragma omp section
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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 == 7)
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goto L3;
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else if (i == 8) {
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L3:
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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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goto L3; // expected-error {{use of undeclared label 'L3'}}
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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 sections' are ignored}}
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#pragma omp sections foo bar
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{
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foo();
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// expected-error@+1 {{unexpected OpenMP clause 'nowait' in directive '#pragma omp section'}}
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#pragma omp section nowait
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;
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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 sections' are ignored}}
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#pragma omp sections;
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{
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foo();
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}
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#pragma omp parallel
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// expected-error@+2 {{unexpected OpenMP clause 'linear' in directive '#pragma omp sections'}}
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// expected-warning@+1 {{extra tokens at the end of '#pragma omp sections' are ignored}}
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#pragma omp sections linear(x);
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{
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foo();
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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 sections' are ignored}}
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#pragma omp sections private(x);
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{
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foo();
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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 sections' are ignored}}
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#pragma omp sections, private(x);
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{
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foo();
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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 sections private(
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{
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foo();
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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 sections private(,
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{
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foo();
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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 sections private(, )
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{
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foo();
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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 sections private()
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{
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foo();
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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 sections private(int)
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{
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foo();
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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 sections private(0)
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{
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foo();
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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 sections private(x)
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections private(x, y)
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections private(x, y, z)
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{
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foo();
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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 sections lastprivate(
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{
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foo();
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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 sections lastprivate(,
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{
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foo();
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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 sections lastprivate(, )
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{
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foo();
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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 sections lastprivate()
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{
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foo();
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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 sections lastprivate(int)
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{
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foo();
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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 sections lastprivate(0)
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{
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foo();
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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 sections lastprivate(x)
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(x, y)
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(x, y, z)
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{
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foo();
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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 sections firstprivate(
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{
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foo();
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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 sections firstprivate(,
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{
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foo();
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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 sections firstprivate(, )
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{
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foo();
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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 sections firstprivate()
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{
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foo();
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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 sections firstprivate(int)
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{
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foo();
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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 sections firstprivate(0)
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{
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foo();
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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 sections lastprivate(x) firstprivate(x)
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(x, y) firstprivate(x, y)
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(x, y, z) firstprivate(x, y, z)
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{
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foo();
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}
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}
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void test_nowait() {
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#pragma omp parallel
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#pragma omp sections nowait nowait // expected-error {{directive '#pragma omp sections' cannot contain more than one 'nowait' clause}}
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{
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;
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}
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}
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