102 lines
3.2 KiB
C++
102 lines
3.2 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp -std=c++11 %s -Wuninitialized
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// RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 %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 target simd
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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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void foo() {
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}
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static int pvt;
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#pragma omp threadprivate(pvt)
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#pragma omp target simd // expected-error {{unexpected OpenMP directive '#pragma omp target simd'}}
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int main(int argc, char **argv) {
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#pragma omp target simd { // expected-warning {{extra tokens at the end of '#pragma omp target simd' are ignored}}
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for (int i = 0; i < argc; ++i)
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foo();
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#pragma omp target simd ( // expected-warning {{extra tokens at the end of '#pragma omp target simd' are ignored}}
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for (int i = 0; i < argc; ++i)
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foo();
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#pragma omp target simd[ // expected-warning {{extra tokens at the end of '#pragma omp target simd' are ignored}}
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for (int i = 0; i < argc; ++i)
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foo();
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#pragma omp target simd] // expected-warning {{extra tokens at the end of '#pragma omp target simd' are ignored}}
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for (int i = 0; i < argc; ++i)
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foo();
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#pragma omp target simd) // expected-warning {{extra tokens at the end of '#pragma omp target simd' are ignored}}
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for (int i = 0; i < argc; ++i)
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foo();
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#pragma omp target simd } // expected-warning {{extra tokens at the end of '#pragma omp target simd' are ignored}}
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for (int i = 0; i < argc; ++i)
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foo();
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#pragma omp target simd
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for (int i = 0; i < argc; ++i)
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foo();
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// expected-warning@+1 {{extra tokens at the end of '#pragma omp target simd' are ignored}}
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#pragma omp target simd unknown()
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for (int i = 0; i < argc; ++i)
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foo();
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L1:
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for (int i = 0; i < argc; ++i)
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foo();
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#pragma omp target simd
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for (int i = 0; i < argc; ++i)
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foo();
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#pragma omp target simd
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for (int i = 0; i < argc; ++i) {
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goto L1; // expected-error {{use of undeclared label 'L1'}}
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argc++;
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}
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for (int i = 0; i < 10; ++i) {
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switch (argc) {
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case (0):
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#pragma omp target simd
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for (int i = 0; i < argc; ++i) {
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foo();
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break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
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continue;
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}
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default:
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break;
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}
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}
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#pragma omp target simd default(none) // expected-error {{unexpected OpenMP clause 'default' in directive '#pragma omp target simd'}}
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for (int i = 0; i < 10; ++i)
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++argc;
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goto L2; // expected-error {{use of undeclared label 'L2'}}
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#pragma omp target simd
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for (int i = 0; i < argc; ++i)
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L2:
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foo();
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#pragma omp target simd
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for (int i = 0; i < argc; ++i) {
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return 1; // expected-error {{cannot return from OpenMP region}}
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}
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[[]] // expected-error {{an attribute list cannot appear here}}
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#pragma omp target simd
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for (int n = 0; n < 100; ++n) {
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}
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#pragma omp target simd copyin(pvt) // expected-error {{unexpected OpenMP clause 'copyin' in directive '#pragma omp target simd'}}
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for (int n = 0; n < 100; ++n) {}
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return 0;
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}
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void test_ordered() {
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#pragma omp target simd ordered // expected-error {{unexpected OpenMP clause 'ordered' in directive '#pragma omp target simd'}}
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for (int i = 0; i < 16; ++i)
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;
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}
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