94a170f811
Summary: Added basic analysis of map clauses. Only map clauses with to and tofrom map type must be analyzed since all other map types (alloc, delete, etc.) do not require to use the value of the initial variable, instead they create the new copy of the variable. Reviewers: NoQ Subscribers: guansong, cfe-commits, kkwli0, caomhin Tags: #clang Differential Revision: https://reviews.llvm.org/D66668 llvm-svn: 370214
30 lines
1.8 KiB
C
30 lines
1.8 KiB
C
// RUN: %clang_cc1 -triple x86_64-apple-macos10.7.0 -verify -fopenmp -ferror-limit 100 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -triple x86_64-apple-macos10.7.0 -verify -fopenmp -ferror-limit 100 -o - -x c++ %s -Wuninitialized
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// RUN: %clang_cc1 -triple x86_64-apple-macos10.7.0 -verify -fopenmp-simd -ferror-limit 100 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -triple x86_64-apple-macos10.7.0 -verify -fopenmp-simd -ferror-limit 100 -o - -x c++ %s -Wuninitialized
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void xxx(int argc) {
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int map; // expected-note {{initialize the variable 'map' to silence this warning}}
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#pragma omp target enter data map(to: map) // expected-warning {{variable 'map' is uninitialized when used here}}
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for (int i = 0; i < 10; ++i)
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;
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}
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int main(int argc, char **argv) {
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int r;
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#pragma omp target enter data // expected-error {{expected at least one 'map' clause for '#pragma omp target enter data'}}
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#pragma omp target enter data map(r) // expected-error {{map type must be specified for '#pragma omp target enter data'}}
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#pragma omp target enter data map(tofrom: r) // expected-error {{map type 'tofrom' is not allowed for '#pragma omp target enter data'}}
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#pragma omp target enter data map(always, to: r) allocate(r) // expected-error {{unexpected OpenMP clause 'allocate' in directive '#pragma omp target enter data'}}
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#pragma omp target enter data map(always, alloc: r)
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#pragma omp target enter data map(always, from: r) // expected-error {{map type 'from' is not allowed for '#pragma omp target enter data'}}
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#pragma omp target enter data map(release: r) // expected-error {{map type 'release' is not allowed for '#pragma omp target enter data'}}
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#pragma omp target enter data map(delete: r) // expected-error {{map type 'delete' is not allowed for '#pragma omp target enter data'}}
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return 0;
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}
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