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66b15b505f
Add parsing/sema analysis for 'simdlen' clause in simd directives. Also add check that if both 'safelen' and 'simdlen' clauses are specified, the value of 'simdlen' parameter is less than the value of 'safelen' parameter. llvm-svn: 245692
80 lines
5.3 KiB
C++
80 lines
5.3 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp %s
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void foo() {
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}
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bool foobool(int argc) {
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return argc;
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}
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struct S1; // expected-note {{declared here}}
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template <class T, typename S, int N, int ST> // expected-note {{declared here}}
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T tmain(T argc, S **argv) { //expected-note 2 {{declared here}}
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#pragma omp for simd simdlen // expected-error {{expected '(' after 'simdlen'}}
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for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
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#pragma omp for simd simdlen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
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#pragma omp for simd simdlen () // expected-error {{expected expression}}
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for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
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// expected-error@+3 {{expected ')'}} expected-note@+3 {{to match this '('}}
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// expected-error@+2 2 {{expression is not an integral constant expression}}
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// expected-note@+1 2 {{read of non-const variable 'argc' is not allowed in a constant expression}}
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#pragma omp for simd simdlen (argc
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for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
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// expected-error@+1 {{argument to 'simdlen' clause must be a positive integer value}}
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#pragma omp for simd simdlen (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
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#pragma omp for simd simdlen (1)) // expected-warning {{extra tokens at the end of '#pragma omp for simd' are ignored}}
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for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
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#pragma omp for simd simdlen ((ST > 0) ? 1 + ST : 2)
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for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
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// expected-error@+3 2 {{directive '#pragma omp for simd' cannot contain more than one 'simdlen' clause}}
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// expected-error@+2 2 {{argument to 'simdlen' clause must be a positive integer value}}
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// expected-error@+1 2 {{expression is not an integral constant expression}}
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#pragma omp for simd simdlen (foobool(argc)), simdlen (true), simdlen (-5)
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for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
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#pragma omp for simd simdlen (S) // expected-error {{'S' does not refer to a value}}
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for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
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// expected-error@+1 2 {{expression is not an integral constant expression}}
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#pragma omp for simd simdlen (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
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#pragma omp for simd simdlen (4)
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for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
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#pragma omp for simd simdlen (N) // expected-error {{argument to 'simdlen' clause must be a positive integer value}}
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for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
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return argc;
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}
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int main(int argc, char **argv) {
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#pragma omp for simd simdlen // expected-error {{expected '(' after 'simdlen'}}
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for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
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#pragma omp for simd simdlen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
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#pragma omp for simd simdlen () // expected-error {{expected expression}}
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for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
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#pragma omp for simd simdlen (4 // expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
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#pragma omp for simd simdlen (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp for simd' are ignored}}
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for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
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#pragma omp for simd simdlen (foobool(1) > 0 ? 1 : 2) // expected-error {{expression is not an integral constant expression}}
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for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
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// expected-error@+3 {{expression is not an integral constant expression}}
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// expected-error@+2 2 {{directive '#pragma omp for simd' cannot contain more than one 'simdlen' clause}}
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// expected-error@+1 2 {{argument to 'simdlen' clause must be a positive integer value}}
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#pragma omp for simd simdlen (foobool(argc)), simdlen (true), simdlen (-5)
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for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
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#pragma omp for simd simdlen (S1) // expected-error {{'S1' does not refer to a value}}
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for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
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// expected-error@+1 {{expression is not an integral constant expression}}
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#pragma omp for simd simdlen (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
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// expected-error@+3 {{statement after '#pragma omp for simd' must be a for loop}}
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// expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
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#pragma omp for simd simdlen(simdlen(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
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foo();
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// expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 12, 4>' requested here}}
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return tmain<int, char, 12, 4>(argc, argv);
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}
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