{"owner":"nuudlman","repo":"llvm","channel":"main","channels":["main"],"can_delete":true,"inode":{"File":{"path":[{"basename":"clang","pos":"7OVOGA6QKF5OI.EJBFAJQ","meta":576},{"basename":"test","pos":"7OVOGA6QKF5OI.RXSO6JQ","meta":576},{"basename":"OpenMP","pos":"7OVOGA6QKF5OI.T5I3CJY","meta":576},{"basename":"parallel_masked_taskloop_simd_loop_messages.cpp","pos":"7OVOGA6QKF5OI.IUKL4KI","meta":0}],"file":"// RUN: %clang_cc1 -fsyntax-only -fopenmp -fopenmp-version=45 -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify=expected,omp4 %s -Wuninitialized\n// RUN: %clang_cc1 -fsyntax-only -fopenmp -fopenmp-version=50 -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify=expected,omp5 %s -Wuninitialized\n\n// RUN: %clang_cc1 -fsyntax-only -fopenmp-simd -fopenmp-version=45 -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify=expected,omp4 %s -Wuninitialized\n// RUN: %clang_cc1 -fsyntax-only -fopenmp-simd -fopenmp-version=50 -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify=expected,omp5 %s -Wuninitialized\n\nclass S {\n int a;\n S() : a(0) {}\n\npublic:\n S(int v) : a(v) {}\n S(const S &s) : a(s.a) {}\n};\n\nstatic int sii;\n// expected-note@+1 {{defined as threadprivate or thread local}}\n#pragma omp threadprivate(sii)\nstatic int globalii;\n\n// Currently, we cannot use \"0\" for global register variables.\n// register int reg0 __asm__(\"0\");\nint reg0;\n\nint test_iteration_spaces() {\n const int N = 100;\n float a[N], b[N], c[N];\n int ii, jj, kk;\n float fii;\n double dii;\n register int reg; // expected-warning {{'register' storage class specifier is deprecated}}\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (int i = 0; i < 10; i += 1) {\n c[i] = a[i] + b[i];\n }\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (char i = 0; i < 10; i++) {\n c[i] = a[i] + b[i];\n }\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (char i = 0; i < 10; i += '\\1') {\n c[i] = a[i] + b[i];\n }\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (long long i = 0; i < 10; i++) {\n c[i] = a[i] + b[i];\n }\n#pragma omp parallel\n// expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'double'}}\n#pragma omp parallel masked taskloop simd\n for (long long i = 0; i < 10; i += 1.5) {\n c[i] = a[i] + b[i];\n }\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (long long i = 0; i < 'z'; i += 1u) {\n c[i] = a[i] + b[i];\n }\n#pragma omp parallel\n// expected-error@+2 {{variable must be of integer or random access iterator type}}\n#pragma omp parallel masked taskloop simd\n for (float fi = 0; fi < 10.0; fi++) {\n c[(int)fi] = a[(int)fi] + b[(int)fi];\n }\n#pragma omp parallel\n// expected-error@+2 {{variable must be of integer or random access iterator type}}\n#pragma omp parallel masked taskloop simd\n for (double fi = 0; fi < 10.0; fi++) {\n c[(int)fi] = a[(int)fi] + b[(int)fi];\n }\n#pragma omp parallel\n// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}\n#pragma omp parallel masked taskloop simd\n for (int &ref = ii; ref < 10; ref++) {\n }\n#pragma omp parallel\n// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}\n#pragma omp parallel masked taskloop simd\n for (int i; i < 10; i++)\n c[i] = a[i];\n\n#pragma omp parallel\n// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}\n#pragma omp parallel masked taskloop simd\n for (int i = 0, j = 0; i < 10; ++i)\n c[i] = a[i];\n\n#pragma omp parallel\n// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}\n#pragma omp parallel masked taskloop simd\n for (; ii < 10; ++ii)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-warning@+3 {{expression result unused}}\n// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}\n#pragma omp parallel masked taskloop simd\n for (ii + 1; ii < 10; ++ii)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}\n#pragma omp parallel masked taskloop simd\n for (c[ii] = 0; ii < 10; ++ii)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// Ok to skip parenthesises.\n#pragma omp parallel masked taskloop simd\n for (((ii)) = 0; ii < 10; ++ii)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// omp4-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} omp5-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}}\n#pragma omp parallel masked taskloop simd\n for (int i = 0; i; i++)\n c[i] = a[i];\n\n#pragma omp parallel\n// omp4-error@+3 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} omp5-error@+3 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}}\n// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'i'}}\n#pragma omp parallel masked taskloop simd\n for (int i = 0; jj < kk; ii++)\n c[i] = a[i];\n\n#pragma omp parallel\n// omp4-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} omp5-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}}\n#pragma omp parallel masked taskloop simd\n for (int i = 0; !!i; i++)\n c[i] = a[i];\n\n// Ok\n#pragma omp parallel\n// omp4-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}\n#pragma omp parallel masked taskloop simd\n for (int i = 0; i != 1; i++)\n c[i] = a[i];\n\n#pragma omp parallel\n// omp4-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} omp5-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}}\n#pragma omp parallel masked taskloop simd\n for (int i = 0;; i++)\n c[i] = a[i];\n\n#pragma omp parallel\n// Ok.\n#pragma omp parallel masked taskloop simd\n for (int i = 11; i > 10; i--)\n c[i] = a[i];\n\n#pragma omp parallel\n// Ok.\n#pragma omp parallel masked taskloop simd\n for (int i = 0; i < 10; ++i)\n c[i] = a[i];\n\n#pragma omp parallel\n// Ok.\n#pragma omp parallel masked taskloop simd\n for (ii = 0; ii < 10; ++ii)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}\n#pragma omp parallel masked taskloop simd\n for (ii = 0; ii < 10; ++jj)\n c[ii] = a[jj];\n\n#pragma omp parallel\n// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}\n#pragma omp parallel masked taskloop simd\n for (ii = 0; ii < 10; ++++ii)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// Ok but undefined behavior (in general, cannot check that incr\n// is really loop-invariant).\n#pragma omp parallel masked taskloop simd\n for (ii = 0; ii < 10; ii = ii + ii)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'float'}}\n#pragma omp parallel masked taskloop simd\n for (ii = 0; ii < 10; ii = ii + 1.0f)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// Ok - step was converted to integer type.\n#pragma omp parallel masked taskloop simd\n for (ii = 0; ii < 10; ii = ii + (int)1.1f)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}\n#pragma omp parallel masked taskloop simd\n for (ii = 0; ii < 10; jj = ii + 2)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-warning@+3 {{relational comparison result unused}}\n// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}\n#pragma omp parallel masked taskloop simd\n for (ii = 0; ii<10; jj> kk + 2)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}\n#pragma omp parallel masked taskloop simd\n for (ii = 0; ii < 10;)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-warning@+3 {{expression result unused}}\n// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}\n#pragma omp parallel masked taskloop simd\n for (ii = 0; ii < 10; !ii)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}\n#pragma omp parallel masked taskloop simd\n for (ii = 0; ii < 10; ii ? ++ii : ++jj)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}\n#pragma omp parallel masked taskloop simd\n for (ii = 0; ii < 10; ii = ii < 10)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-note@+3 {{loop step is expected to be positive due to this condition}}\n// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for (ii = 0; ii < 10; ii = ii + 0)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-note@+3 {{loop step is expected to be positive due to this condition}}\n// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for (ii = 0; ii < 10; ii = ii + (int)(0.8 - 0.45))\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-note@+3 {{loop step is expected to be positive due to this condition}}\n// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for (ii = 0; (ii) < 10; ii -= 25)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-note@+3 {{loop step is expected to be positive due to this condition}}\n// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for (ii = 0; (ii < 10); ii -= 0)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-note@+3 {{loop step is expected to be negative due to this condition}}\n// expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for (ii = 0; ii > 10; (ii += 0))\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-note@+3 {{loop step is expected to be positive due to this condition}}\n// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for (ii = 0; ii < 10; (ii) = (1 - 1) + (ii))\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-note@+3 {{loop step is expected to be negative due to this condition}}\n// expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for ((ii = 0); ii > 10; (ii -= 0))\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-note@+3 {{loop step is expected to be positive due to this condition}}\n// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for (ii = 0; (ii < 10); (ii -= 0))\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-note@+2 {{defined as firstprivate}}\n// expected-error@+2 {{loop iteration variable in the associated loop of 'omp parallel masked taskloop simd' directive may not be firstprivate, predetermined as linear}}\n#pragma omp parallel masked taskloop simd firstprivate(ii)\n for (ii = 0; ii < 10; ii++)\n c[ii] = a[ii];\n\n#pragma omp parallel\n// expected-error@+1 {{unexpected OpenMP clause 'in_reduction' in directive '#pragma omp parallel masked taskloop simd'}}\n#pragma omp parallel masked taskloop simd in_reduction(+:ii)\n for (ii = 0; ii < 10; ii++)\n c[ii] = a[ii];\n\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd linear(ii)\n for (ii = 0; ii < 10; ii++)\n c[ii] = a[ii];\n\n#pragma omp parallel\n {\n// expected-error@+2 {{loop iteration variable in the associated loop of 'omp parallel masked taskloop simd' directive may not be threadprivate or thread local, predetermined as linear}}\n#pragma omp parallel masked taskloop simd\n for (sii = 0; sii < 10; sii += 1)\n c[sii] = a[sii];\n }\n\n#pragma omp parallel\n {\n#pragma omp parallel masked taskloop simd\n for (reg0 = 0; reg0 < 10; reg0 += 1)\n c[reg0] = a[reg0];\n }\n\n#pragma omp parallel\n {\n#pragma omp parallel masked taskloop simd\n for (reg = 0; reg < 10; reg += 1)\n c[reg] = a[reg];\n }\n\n#pragma omp parallel\n {\n#pragma omp parallel masked taskloop simd\n for (globalii = 0; globalii < 10; globalii += 1)\n c[globalii] = a[globalii];\n }\n\n#pragma omp parallel\n {\n#pragma omp parallel masked taskloop simd collapse(2)\n for (ii = 0; ii < 10; ii += 1)\n for (globalii = 0; globalii < 10; globalii += 1)\n c[globalii] += a[globalii] + ii;\n }\n\n#pragma omp parallel\n// omp4-error@+2 {{statement after '#pragma omp parallel masked taskloop simd' must be a for loop}}\n#pragma omp parallel masked taskloop simd\n for (auto &item : a) {\n item = item + 1;\n }\n\n#pragma omp parallel\n// expected-note@+3 {{loop step is expected to be positive due to this condition}}\n// expected-error@+2 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for (unsigned i = 9; i < 10; i--) {\n c[i] = a[i] + b[i];\n }\n\n int(*lb)[4] = nullptr;\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (int(*p)[4] = lb; p < lb + 8; ++p) {\n }\n\n#pragma omp parallel\n// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}\n#pragma omp parallel masked taskloop simd\n for (int a{0}; a < 10; ++a) {\n }\n\n return 0;\n}\n\n// Iterators allowed in openmp for-loops.\nnamespace std {\nstruct random_access_iterator_tag {};\ntemplate \nstruct iterator_traits {\n typedef typename Iter::difference_type difference_type;\n typedef typename Iter::iterator_category iterator_category;\n};\ntemplate \ntypename iterator_traits::difference_type\ndistance(Iter first, Iter last) { return first - last; }\n}\nclass Iter0 {\npublic:\n Iter0() {}\n Iter0(const Iter0 &) {}\n Iter0 operator++() { return *this; }\n Iter0 operator--() { return *this; }\n bool operator<(Iter0 a) { return true; }\n};\n// expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'Iter0' for 1st argument}}\n// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'Iter0' for 1st argument}}\nint operator-(Iter0 a, Iter0 b) { return 0; }\nclass Iter1 {\npublic:\n Iter1(float f = 0.0f, double d = 0.0) {}\n Iter1(const Iter1 &) {}\n Iter1 operator++() { return *this; }\n Iter1 operator--() { return *this; }\n bool operator<(Iter1 a) { return true; }\n bool operator>=(Iter1 a) { return false; }\n};\nclass GoodIter {\npublic:\n GoodIter() {}\n GoodIter(const GoodIter &) {}\n GoodIter(int fst, int snd) {}\n GoodIter &operator=(const GoodIter &that) { return *this; }\n GoodIter &operator=(const Iter0 &that) { return *this; }\n GoodIter &operator+=(int x) { return *this; }\n GoodIter &operator-=(int x) { return *this; }\n explicit GoodIter(void *) {}\n GoodIter operator++() { return *this; }\n GoodIter operator--() { return *this; }\n bool operator!() { return true; }\n bool operator<(GoodIter a) { return true; }\n bool operator<=(GoodIter a) { return true; }\n bool operator>=(GoodIter a) { return false; }\n typedef int difference_type;\n typedef std::random_access_iterator_tag iterator_category;\n};\n// expected-note@+2 {{candidate function not viable: no known conversion from 'const Iter0' to 'GoodIter' for 2nd argument}}\n// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}}\nint operator-(GoodIter a, GoodIter b) { return 0; }\n// expected-note@+1 3 {{candidate function not viable: requires single argument 'a', but 2 arguments were provided}}\nGoodIter operator-(GoodIter a) { return a; }\n// expected-note@+2 {{candidate function not viable: no known conversion from 'const Iter0' to 'int' for 2nd argument}}\n// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}}\nGoodIter operator-(GoodIter a, int v) { return GoodIter(); }\n// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'GoodIter' for 1st argument}}\nGoodIter operator+(GoodIter a, int v) { return GoodIter(); }\n// expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'int' for 1st argument}}\n// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'int' for 1st argument}}\nGoodIter operator-(int v, GoodIter a) { return GoodIter(); }\n// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'int' for 1st argument}}\nGoodIter operator+(int v, GoodIter a) { return GoodIter(); }\n\nint test_with_random_access_iterator() {\n GoodIter begin, end;\n Iter0 begin0, end0;\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (GoodIter I = begin; I < end; ++I)\n ++I;\n#pragma omp parallel\n// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}\n#pragma omp parallel masked taskloop simd\n for (GoodIter &I = begin; I < end; ++I)\n ++I;\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (GoodIter I = begin; I >= end; --I)\n ++I;\n#pragma omp parallel\n// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}\n#pragma omp parallel masked taskloop simd\n for (GoodIter I(begin); I < end; ++I)\n ++I;\n#pragma omp parallel\n// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}\n#pragma omp parallel masked taskloop simd\n for (GoodIter I(nullptr); I < end; ++I)\n ++I;\n#pragma omp parallel\n// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}\n#pragma omp parallel masked taskloop simd\n for (GoodIter I(0); I < end; ++I)\n ++I;\n#pragma omp parallel\n// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}\n#pragma omp parallel masked taskloop simd\n for (GoodIter I(1, 2); I < end; ++I)\n ++I;\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (begin = GoodIter(0); begin < end; ++begin)\n ++begin;\n// expected-error@+4 {{invalid operands to binary expression ('GoodIter' and 'const Iter0')}}\n// expected-error@+3 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (begin = begin0; begin < end; ++begin)\n ++begin;\n#pragma omp parallel\n// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}\n#pragma omp parallel masked taskloop simd\n for (++begin; begin < end; ++begin)\n ++begin;\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (begin = end; begin < end; ++begin)\n ++begin;\n#pragma omp parallel\n// omp4-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} omp5-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'I'}}\n#pragma omp parallel masked taskloop simd\n for (GoodIter I = begin; I - I; ++I)\n ++I;\n#pragma omp parallel\n// omp4-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} omp5-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'I'}}\n#pragma omp parallel masked taskloop simd\n for (GoodIter I = begin; begin < end; ++I)\n ++I;\n#pragma omp parallel\n// omp4-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} omp5-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'I'}}\n#pragma omp parallel masked taskloop simd\n for (GoodIter I = begin; !I; ++I)\n ++I;\n#pragma omp parallel\n// expected-note@+3 {{loop step is expected to be negative due to this condition}}\n// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for (GoodIter I = begin; I >= end; I = I + 1)\n ++I;\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (GoodIter I = begin; I >= end; I = I - 1)\n ++I;\n#pragma omp parallel\n// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}\n#pragma omp parallel masked taskloop simd\n for (GoodIter I = begin; I >= end; I = -I)\n ++I;\n#pragma omp parallel\n// expected-note@+3 {{loop step is expected to be negative due to this condition}}\n// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for (GoodIter I = begin; I >= end; I = 2 + I)\n ++I;\n#pragma omp parallel\n// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}\n#pragma omp parallel masked taskloop simd\n for (GoodIter I = begin; I >= end; I = 2 - I)\n ++I;\n// In the following example, we cannot update the loop variable using '+='\n// expected-error@+3 {{invalid operands to binary expression ('Iter0' and 'int')}}\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (Iter0 I = begin0; I < end0; ++I)\n ++I;\n#pragma omp parallel\n// Initializer is constructor without params.\n// expected-error@+3 {{invalid operands to binary expression ('Iter0' and 'int')}}\n// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}\n#pragma omp parallel masked taskloop simd\n for (Iter0 I; I < end0; ++I)\n ++I;\n Iter1 begin1, end1;\n// expected-error@+4 {{invalid operands to binary expression ('Iter1' and 'Iter1')}}\n// expected-error@+3 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (Iter1 I = begin1; I < end1; ++I)\n ++I;\n#pragma omp parallel\n// expected-note@+3 {{loop step is expected to be negative due to this condition}}\n// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for (Iter1 I = begin1; I >= end1; ++I)\n ++I;\n#pragma omp parallel\n// expected-error@+5 {{invalid operands to binary expression ('Iter1' and 'float')}}\n// expected-error@+4 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}\n// Initializer is constructor with all default params.\n// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}\n#pragma omp parallel masked taskloop simd\n for (Iter1 I; I < end1; ++I) {\n }\n return 0;\n}\n\ntemplate \nclass TC {\npublic:\n int dotest_lt(IT begin, IT end) {\n#pragma omp parallel\n// expected-note@+3 {{loop step is expected to be positive due to this condition}}\n// expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for (IT I = begin; I < end; I = I + ST) {\n ++I;\n }\n#pragma omp parallel\n// expected-note@+3 {{loop step is expected to be positive due to this condition}}\n// expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for (IT I = begin; I <= end; I += ST) {\n ++I;\n }\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (IT I = begin; I < end; ++I) {\n ++I;\n }\n }\n\n static IT step() {\n return IT(ST);\n }\n};\ntemplate \nint dotest_gt(IT begin, IT end) {\n#pragma omp parallel\n// expected-note@+3 2 {{loop step is expected to be negative due to this condition}}\n// expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for (IT I = begin; I >= end; I = I + ST) {\n ++I;\n }\n#pragma omp parallel\n// expected-note@+3 2 {{loop step is expected to be negative due to this condition}}\n// expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for (IT I = begin; I >= end; I += ST) {\n ++I;\n }\n\n#pragma omp parallel\n// expected-note@+3 {{loop step is expected to be negative due to this condition}}\n// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}\n#pragma omp parallel masked taskloop simd\n for (IT I = begin; I >= end; ++I) {\n ++I;\n }\n\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (IT I = begin; I < end; I += TC::step()) {\n ++I;\n }\n}\n\nvoid test_with_template() {\n GoodIter begin, end;\n TC t1;\n TC t2;\n t1.dotest_lt(begin, end);\n t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC::dotest_lt' requested here}}\n dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt' requested here}}\n dotest_gt(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt' requested here}}\n}\n\nvoid test_loop_break() {\n const int N = 100;\n float a[N], b[N], c[N];\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (int i = 0; i < 10; i++) {\n c[i] = a[i] + b[i];\n for (int j = 0; j < 10; ++j) {\n if (a[i] > b[j])\n break; // OK in nested loop\n }\n switch (i) {\n case 1:\n b[i]++;\n break;\n default:\n break;\n }\n if (c[i] > 10)\n break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}\n\n if (c[i] > 11)\n break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}\n }\n\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (int i = 0; i < 10; i++) {\n for (int j = 0; j < 10; j++) {\n c[i] = a[i] + b[i];\n if (c[i] > 10) {\n if (c[i] < 20) {\n break; // OK\n }\n }\n }\n }\n}\n\nvoid test_loop_eh() {\n const int N = 100;\n float a[N], b[N], c[N];\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (int i = 0; i < 10; i++) {\n c[i] = a[i] + b[i];\n try { // expected-error {{'try' statement cannot be used in OpenMP simd region}}\n for (int j = 0; j < 10; ++j) {\n if (a[i] > b[j])\n throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}\n }\n throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}\n } catch (float f) {\n if (f > 0.1)\n throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}\n return; // expected-error {{cannot return from OpenMP region}}\n }\n switch (i) {\n case 1:\n b[i]++;\n break;\n default:\n break;\n }\n for (int j = 0; j < 10; j++) {\n if (c[i] > 10)\n throw c[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}\n }\n }\n if (c[9] > 10)\n throw c[9]; // OK\n\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd\n for (int i = 0; i < 10; ++i) {\n struct S {\n void g() { throw 0; }\n };\n }\n}\n\nvoid test_loop_firstprivate_lastprivate() {\n S s(4);\n int c;\n#pragma omp parallel\n#pragma omp parallel masked taskloop simd lastprivate(s) firstprivate(s)\n for (int i = 0; i < 16; ++i)\n ;\n#pragma omp parallel masked taskloop simd if(c) default(none) // expected-error {{variable 'c' must have explicitly specified data sharing attributes}} expected-note {{explicit data sharing attribute requested here}}\n for (int i = 0; i < 16; ++i)\n ;\n#pragma omp parallel masked taskloop simd if(taskloop:c) default(none) // expected-error {{variable 'c' must have explicitly specified data sharing attributes}} expected-note {{explicit data sharing attribute requested here}}\n for (int i = 0; i < 16; ++i)\n ;\n#pragma omp parallel masked taskloop simd if(parallel:c) default(none)\n for (int i = 0; i < 16; ++i)\n ;\n}\n\n"}},"token":"2R68w8nXseQWjWp6yIO8H2L3Joiu7c7yAUyFaSSzH3c=","login":null}