| // RUN: %clang_cc1 -fsyntax-only -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify %s |
| |
| class S { |
| int a; |
| S() : a(0) {} |
| |
| public: |
| S(int v) : a(v) {} |
| S(const S &s) : a(s.a) {} |
| }; |
| |
| static int sii; |
| #pragma omp threadprivate(sii) |
| static int globalii; |
| |
| int test_iteration_spaces() { |
| const int N = 100; |
| float a[N], b[N], c[N]; |
| int ii, jj, kk; |
| float fii; |
| double dii; |
| #pragma omp parallel |
| #pragma omp for simd |
| for (int i = 0; i < 10; i += 1) { |
| c[i] = a[i] + b[i]; |
| } |
| #pragma omp parallel |
| #pragma omp for simd |
| for (char i = 0; i < 10; i++) { |
| c[i] = a[i] + b[i]; |
| } |
| #pragma omp parallel |
| #pragma omp for simd |
| for (char i = 0; i < 10; i += '\1') { |
| c[i] = a[i] + b[i]; |
| } |
| #pragma omp parallel |
| #pragma omp for simd |
| for (long long i = 0; i < 10; i++) { |
| c[i] = a[i] + b[i]; |
| } |
| #pragma omp parallel |
| // expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'double'}} |
| #pragma omp for simd |
| for (long long i = 0; i < 10; i += 1.5) { |
| c[i] = a[i] + b[i]; |
| } |
| #pragma omp parallel |
| #pragma omp for simd |
| for (long long i = 0; i < 'z'; i += 1u) { |
| c[i] = a[i] + b[i]; |
| } |
| #pragma omp parallel |
| // expected-error@+2 {{variable must be of integer or random access iterator type}} |
| #pragma omp for simd |
| for (float fi = 0; fi < 10.0; fi++) { |
| c[(int)fi] = a[(int)fi] + b[(int)fi]; |
| } |
| #pragma omp parallel |
| // expected-error@+2 {{variable must be of integer or random access iterator type}} |
| #pragma omp for simd |
| for (double fi = 0; fi < 10.0; fi++) { |
| c[(int)fi] = a[(int)fi] + b[(int)fi]; |
| } |
| #pragma omp parallel |
| // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} |
| #pragma omp for simd |
| for (int &ref = ii; ref < 10; ref++) { |
| } |
| #pragma omp parallel |
| // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} |
| #pragma omp for simd |
| for (int i; i < 10; i++) |
| c[i] = a[i]; |
| |
| #pragma omp parallel |
| // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} |
| #pragma omp for simd |
| for (int i = 0, j = 0; i < 10; ++i) |
| c[i] = a[i]; |
| |
| #pragma omp parallel |
| // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} |
| #pragma omp for simd |
| for (; ii < 10; ++ii) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-warning@+3 {{expression result unused}} |
| // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} |
| #pragma omp for simd |
| for (ii + 1; ii < 10; ++ii) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} |
| #pragma omp for simd |
| for (c[ii] = 0; ii < 10; ++ii) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // Ok to skip parenthesises. |
| #pragma omp for simd |
| for (((ii)) = 0; ii < 10; ++ii) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} |
| #pragma omp for simd |
| for (int i = 0; i; i++) |
| c[i] = a[i]; |
| |
| #pragma omp parallel |
| // expected-error@+3 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} |
| // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'i'}} |
| #pragma omp for simd |
| for (int i = 0; jj < kk; ii++) |
| c[i] = a[i]; |
| |
| #pragma omp parallel |
| // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} |
| #pragma omp for simd |
| for (int i = 0; !!i; i++) |
| c[i] = a[i]; |
| |
| #pragma omp parallel |
| // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} |
| #pragma omp for simd |
| for (int i = 0; i != 1; i++) |
| c[i] = a[i]; |
| |
| #pragma omp parallel |
| // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} |
| #pragma omp for simd |
| for (int i = 0;; i++) |
| c[i] = a[i]; |
| |
| #pragma omp parallel |
| // Ok. |
| #pragma omp for simd |
| for (int i = 11; i > 10; i--) |
| c[i] = a[i]; |
| |
| #pragma omp parallel |
| // Ok. |
| #pragma omp for simd |
| for (int i = 0; i < 10; ++i) |
| c[i] = a[i]; |
| |
| #pragma omp parallel |
| // Ok. |
| #pragma omp for simd |
| for (ii = 0; ii < 10; ++ii) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} |
| #pragma omp for simd |
| for (ii = 0; ii < 10; ++jj) |
| c[ii] = a[jj]; |
| |
| #pragma omp parallel |
| // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} |
| #pragma omp for simd |
| for (ii = 0; ii < 10; ++++ii) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // Ok but undefined behavior (in general, cannot check that incr |
| // is really loop-invariant). |
| #pragma omp for simd |
| for (ii = 0; ii < 10; ii = ii + ii) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'float'}} |
| #pragma omp for simd |
| for (ii = 0; ii < 10; ii = ii + 1.0f) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // Ok - step was converted to integer type. |
| #pragma omp for simd |
| for (ii = 0; ii < 10; ii = ii + (int)1.1f) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} |
| #pragma omp for simd |
| for (ii = 0; ii < 10; jj = ii + 2) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-warning@+3 {{relational comparison result unused}} |
| // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} |
| #pragma omp for simd |
| for (ii = 0; ii<10; jj> kk + 2) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} |
| #pragma omp for simd |
| for (ii = 0; ii < 10;) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-warning@+3 {{expression result unused}} |
| // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} |
| #pragma omp for simd |
| for (ii = 0; ii < 10; !ii) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} |
| #pragma omp for simd |
| for (ii = 0; ii < 10; ii ? ++ii : ++jj) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} |
| #pragma omp for simd |
| for (ii = 0; ii < 10; ii = ii < 10) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-note@+3 {{loop step is expected to be positive due to this condition}} |
| // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for (ii = 0; ii < 10; ii = ii + 0) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-note@+3 {{loop step is expected to be positive due to this condition}} |
| // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for (ii = 0; ii < 10; ii = ii + (int)(0.8 - 0.45)) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-note@+3 {{loop step is expected to be positive due to this condition}} |
| // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for (ii = 0; (ii) < 10; ii -= 25) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-note@+3 {{loop step is expected to be positive due to this condition}} |
| // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for (ii = 0; (ii < 10); ii -= 0) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-note@+3 {{loop step is expected to be negative due to this condition}} |
| // expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for (ii = 0; ii > 10; (ii += 0)) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-note@+3 {{loop step is expected to be positive due to this condition}} |
| // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for (ii = 0; ii < 10; (ii) = (1 - 1) + (ii)) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-note@+3 {{loop step is expected to be negative due to this condition}} |
| // expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for ((ii = 0); ii > 10; (ii -= 0)) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-note@+3 {{loop step is expected to be positive due to this condition}} |
| // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for (ii = 0; (ii < 10); (ii -= 0)) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-note@+2 {{defined as firstprivate}} |
| // expected-error@+2 {{loop iteration variable in the associated loop of 'omp for simd' directive may not be firstprivate, predetermined as linear}} |
| #pragma omp for simd firstprivate(ii) |
| for (ii = 0; ii < 10; ii++) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| #pragma omp for simd linear(ii) |
| for (ii = 0; ii < 10; ii++) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-note@+2 {{defined as private}} |
| // expected-error@+2 {{loop iteration variable in the associated loop of 'omp for simd' directive may not be private, predetermined as linear}} |
| #pragma omp for simd private(ii) |
| for (ii = 0; ii < 10; ii++) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| // expected-note@+2 {{defined as lastprivate}} |
| // expected-error@+2 {{loop iteration variable in the associated loop of 'omp for simd' directive may not be lastprivate, predetermined as linear}} |
| #pragma omp for simd lastprivate(ii) |
| for (ii = 0; ii < 10; ii++) |
| c[ii] = a[ii]; |
| |
| #pragma omp parallel |
| { |
| #pragma omp for simd |
| for (sii = 0; sii < 10; sii += 1) |
| c[sii] = a[sii]; |
| } |
| |
| #pragma omp parallel |
| { |
| #pragma omp for simd |
| for (globalii = 0; globalii < 10; globalii += 1) |
| c[globalii] = a[globalii]; |
| } |
| |
| #pragma omp parallel |
| { |
| #pragma omp for simd collapse(2) |
| for (ii = 0; ii < 10; ii += 1) |
| for (globalii = 0; globalii < 10; globalii += 1) |
| c[globalii] += a[globalii] + ii; |
| } |
| |
| #pragma omp parallel |
| // expected-error@+2 {{statement after '#pragma omp for simd' must be a for loop}} |
| #pragma omp for simd |
| for (auto &item : a) { |
| item = item + 1; |
| } |
| |
| #pragma omp parallel |
| // expected-note@+3 {{loop step is expected to be positive due to this condition}} |
| // expected-error@+2 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for (unsigned i = 9; i < 10; i--) { |
| c[i] = a[i] + b[i]; |
| } |
| |
| int(*lb)[4] = nullptr; |
| #pragma omp parallel |
| #pragma omp for simd |
| for (int(*p)[4] = lb; p < lb + 8; ++p) { |
| } |
| |
| #pragma omp parallel |
| // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} |
| #pragma omp for simd |
| for (int a{0}; a < 10; ++a) { |
| } |
| |
| return 0; |
| } |
| |
| // Iterators allowed in openmp for-loops. |
| namespace std { |
| struct random_access_iterator_tag {}; |
| template <class Iter> |
| struct iterator_traits { |
| typedef typename Iter::difference_type difference_type; |
| typedef typename Iter::iterator_category iterator_category; |
| }; |
| template <class Iter> |
| typename iterator_traits<Iter>::difference_type |
| distance(Iter first, Iter last) { return first - last; } |
| } |
| class Iter0 { |
| public: |
| Iter0() {} |
| Iter0(const Iter0 &) {} |
| Iter0 operator++() { return *this; } |
| Iter0 operator--() { return *this; } |
| bool operator<(Iter0 a) { return true; } |
| }; |
| // expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'Iter0' for 1st argument}} |
| // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'Iter0' for 1st argument}} |
| int operator-(Iter0 a, Iter0 b) { return 0; } |
| class Iter1 { |
| public: |
| Iter1(float f = 0.0f, double d = 0.0) {} |
| Iter1(const Iter1 &) {} |
| Iter1 operator++() { return *this; } |
| Iter1 operator--() { return *this; } |
| bool operator<(Iter1 a) { return true; } |
| bool operator>=(Iter1 a) { return false; } |
| }; |
| class GoodIter { |
| public: |
| GoodIter() {} |
| GoodIter(const GoodIter &) {} |
| GoodIter(int fst, int snd) {} |
| GoodIter &operator=(const GoodIter &that) { return *this; } |
| GoodIter &operator=(const Iter0 &that) { return *this; } |
| GoodIter &operator+=(int x) { return *this; } |
| explicit GoodIter(void *) {} |
| GoodIter operator++() { return *this; } |
| GoodIter operator--() { return *this; } |
| bool operator!() { return true; } |
| bool operator<(GoodIter a) { return true; } |
| bool operator<=(GoodIter a) { return true; } |
| bool operator>=(GoodIter a) { return false; } |
| typedef int difference_type; |
| typedef std::random_access_iterator_tag iterator_category; |
| }; |
| // expected-note@+2 {{candidate function not viable: no known conversion from 'Iter0' to 'GoodIter' for 2nd argument}} |
| // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}} |
| int operator-(GoodIter a, GoodIter b) { return 0; } |
| // expected-note@+1 3 {{candidate function not viable: requires single argument 'a', but 2 arguments were provided}} |
| GoodIter operator-(GoodIter a) { return a; } |
| // expected-note@+2 {{candidate function not viable: no known conversion from 'Iter0' to 'int' for 2nd argument}} |
| // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}} |
| GoodIter operator-(GoodIter a, int v) { return GoodIter(); } |
| // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'GoodIter' for 1st argument}} |
| GoodIter operator+(GoodIter a, int v) { return GoodIter(); } |
| // expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'int' for 1st argument}} |
| // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'int' for 1st argument}} |
| GoodIter operator-(int v, GoodIter a) { return GoodIter(); } |
| // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'int' for 1st argument}} |
| GoodIter operator+(int v, GoodIter a) { return GoodIter(); } |
| |
| int test_with_random_access_iterator() { |
| GoodIter begin, end; |
| Iter0 begin0, end0; |
| #pragma omp parallel |
| #pragma omp for simd |
| for (GoodIter I = begin; I < end; ++I) |
| ++I; |
| #pragma omp parallel |
| // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} |
| #pragma omp for simd |
| for (GoodIter &I = begin; I < end; ++I) |
| ++I; |
| #pragma omp parallel |
| #pragma omp for simd |
| for (GoodIter I = begin; I >= end; --I) |
| ++I; |
| #pragma omp parallel |
| // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} |
| #pragma omp for simd |
| for (GoodIter I(begin); I < end; ++I) |
| ++I; |
| #pragma omp parallel |
| // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} |
| #pragma omp for simd |
| for (GoodIter I(nullptr); I < end; ++I) |
| ++I; |
| #pragma omp parallel |
| // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} |
| #pragma omp for simd |
| for (GoodIter I(0); I < end; ++I) |
| ++I; |
| #pragma omp parallel |
| // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} |
| #pragma omp for simd |
| for (GoodIter I(1, 2); I < end; ++I) |
| ++I; |
| #pragma omp parallel |
| #pragma omp for simd |
| for (begin = GoodIter(0); begin < end; ++begin) |
| ++begin; |
| #pragma omp parallel |
| // expected-error@+3 {{invalid operands to binary expression ('GoodIter' and 'Iter0')}} |
| // expected-error@+2 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}} |
| #pragma omp for simd |
| for (begin = begin0; begin < end; ++begin) |
| ++begin; |
| #pragma omp parallel |
| // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} |
| #pragma omp for simd |
| for (++begin; begin < end; ++begin) |
| ++begin; |
| #pragma omp parallel |
| #pragma omp for simd |
| for (begin = end; begin < end; ++begin) |
| ++begin; |
| #pragma omp parallel |
| // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} |
| #pragma omp for simd |
| for (GoodIter I = begin; I - I; ++I) |
| ++I; |
| #pragma omp parallel |
| // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} |
| #pragma omp for simd |
| for (GoodIter I = begin; begin < end; ++I) |
| ++I; |
| #pragma omp parallel |
| // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} |
| #pragma omp for simd |
| for (GoodIter I = begin; !I; ++I) |
| ++I; |
| #pragma omp parallel |
| // expected-note@+3 {{loop step is expected to be negative due to this condition}} |
| // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for (GoodIter I = begin; I >= end; I = I + 1) |
| ++I; |
| #pragma omp parallel |
| #pragma omp for simd |
| for (GoodIter I = begin; I >= end; I = I - 1) |
| ++I; |
| #pragma omp parallel |
| // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}} |
| #pragma omp for simd |
| for (GoodIter I = begin; I >= end; I = -I) |
| ++I; |
| #pragma omp parallel |
| // expected-note@+3 {{loop step is expected to be negative due to this condition}} |
| // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for (GoodIter I = begin; I >= end; I = 2 + I) |
| ++I; |
| #pragma omp parallel |
| // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}} |
| #pragma omp for simd |
| for (GoodIter I = begin; I >= end; I = 2 - I) |
| ++I; |
| #pragma omp parallel |
| // expected-error@+2 {{invalid operands to binary expression ('Iter0' and 'int')}} |
| #pragma omp for simd |
| for (Iter0 I = begin0; I < end0; ++I) |
| ++I; |
| #pragma omp parallel |
| // Initializer is constructor without params. |
| // expected-error@+3 {{invalid operands to binary expression ('Iter0' and 'int')}} |
| // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} |
| #pragma omp for simd |
| for (Iter0 I; I < end0; ++I) |
| ++I; |
| Iter1 begin1, end1; |
| #pragma omp parallel |
| // expected-error@+3 {{invalid operands to binary expression ('Iter1' and 'Iter1')}} |
| // expected-error@+2 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}} |
| #pragma omp for simd |
| for (Iter1 I = begin1; I < end1; ++I) |
| ++I; |
| #pragma omp parallel |
| // expected-note@+3 {{loop step is expected to be negative due to this condition}} |
| // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for (Iter1 I = begin1; I >= end1; ++I) |
| ++I; |
| #pragma omp parallel |
| // expected-error@+5 {{invalid operands to binary expression ('Iter1' and 'float')}} |
| // expected-error@+4 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}} |
| // Initializer is constructor with all default params. |
| // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} |
| #pragma omp for simd |
| for (Iter1 I; I < end1; ++I) { |
| } |
| return 0; |
| } |
| |
| template <typename IT, int ST> |
| class TC { |
| public: |
| int dotest_lt(IT begin, IT end) { |
| #pragma omp parallel |
| // expected-note@+3 {{loop step is expected to be positive due to this condition}} |
| // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for (IT I = begin; I < end; I = I + ST) { |
| ++I; |
| } |
| #pragma omp parallel |
| // expected-note@+3 {{loop step is expected to be positive due to this condition}} |
| // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for (IT I = begin; I <= end; I += ST) { |
| ++I; |
| } |
| #pragma omp parallel |
| #pragma omp for simd |
| for (IT I = begin; I < end; ++I) { |
| ++I; |
| } |
| } |
| |
| static IT step() { |
| return IT(ST); |
| } |
| }; |
| template <typename IT, int ST = 0> |
| int dotest_gt(IT begin, IT end) { |
| #pragma omp parallel |
| // expected-note@+3 2 {{loop step is expected to be negative due to this condition}} |
| // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for (IT I = begin; I >= end; I = I + ST) { |
| ++I; |
| } |
| #pragma omp parallel |
| // expected-note@+3 2 {{loop step is expected to be negative due to this condition}} |
| // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for (IT I = begin; I >= end; I += ST) { |
| ++I; |
| } |
| |
| #pragma omp parallel |
| // expected-note@+3 {{loop step is expected to be negative due to this condition}} |
| // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} |
| #pragma omp for simd |
| for (IT I = begin; I >= end; ++I) { |
| ++I; |
| } |
| |
| #pragma omp parallel |
| #pragma omp for simd |
| for (IT I = begin; I < end; I += TC<int, ST>::step()) { |
| ++I; |
| } |
| } |
| |
| void test_with_template() { |
| GoodIter begin, end; |
| TC<GoodIter, 100> t1; |
| TC<GoodIter, -100> t2; |
| t1.dotest_lt(begin, end); |
| t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}} |
| dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}} |
| dotest_gt<unsigned, -10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, -10>' requested here}} |
| } |
| |
| void test_loop_break() { |
| const int N = 100; |
| float a[N], b[N], c[N]; |
| #pragma omp parallel |
| #pragma omp for simd |
| for (int i = 0; i < 10; i++) { |
| c[i] = a[i] + b[i]; |
| for (int j = 0; j < 10; ++j) { |
| if (a[i] > b[j]) |
| break; // OK in nested loop |
| } |
| switch (i) { |
| case 1: |
| b[i]++; |
| break; |
| default: |
| break; |
| } |
| if (c[i] > 10) |
| break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} |
| |
| if (c[i] > 11) |
| break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} |
| } |
| |
| #pragma omp parallel |
| #pragma omp for simd |
| for (int i = 0; i < 10; i++) { |
| for (int j = 0; j < 10; j++) { |
| c[i] = a[i] + b[i]; |
| if (c[i] > 10) { |
| if (c[i] < 20) { |
| break; // OK |
| } |
| } |
| } |
| } |
| } |
| |
| void test_loop_eh() { |
| const int N = 100; |
| float a[N], b[N], c[N]; |
| #pragma omp parallel |
| #pragma omp for simd |
| for (int i = 0; i < 10; i++) { |
| c[i] = a[i] + b[i]; |
| try { // expected-error {{'try' statement cannot be used in OpenMP simd region}} |
| for (int j = 0; j < 10; ++j) { |
| if (a[i] > b[j]) |
| throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} |
| } |
| throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} |
| } |
| catch (float f) { |
| if (f > 0.1) |
| throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} |
| return; // expected-error {{cannot return from OpenMP region}} |
| } |
| switch (i) { |
| case 1: |
| b[i]++; |
| break; |
| default: |
| break; |
| } |
| for (int j = 0; j < 10; j++) { |
| if (c[i] > 10) |
| throw c[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} |
| } |
| } |
| if (c[9] > 10) |
| throw c[9]; // OK |
| |
| #pragma omp parallel |
| #pragma omp for simd |
| for (int i = 0; i < 10; ++i) { |
| struct S { |
| void g() { throw 0; } |
| }; |
| } |
| } |
| |
| void test_loop_firstprivate_lastprivate() { |
| S s(4); |
| #pragma omp parallel |
| #pragma omp for simd lastprivate(s) firstprivate(s) |
| for (int i = 0; i < 16; ++i) |
| ; |
| } |
| |
| void test_ordered() { |
| #pragma omp parallel |
| // expected-error@+1 2 {{unexpected OpenMP clause 'ordered' in directive '#pragma omp for simd'}} |
| #pragma omp for simd ordered ordered // expected-error {{directive '#pragma omp for simd' cannot contain more than one 'ordered' clause}} |
| for (int i = 0; i < 16; ++i) |
| ; |
| } |
| |
| void test_nowait() { |
| #pragma omp parallel |
| #pragma omp for simd nowait nowait // expected-error {{directive '#pragma omp for simd' cannot contain more than one 'nowait' clause}} |
| for (int i = 0; i < 16; ++i) |
| ; |
| } |