// RUN: %clang_cc1 -std=c++11 -verify %s // Note that this puts the expected lines before the directives to work around // limitations in the -verify mode. template <int V, int I> void test_nontype_template_param(int *List, int Length) { #pragma clang loop vectorize_width(V) interleave_count(I) for (int i = 0; i < Length; i++) { List[i] = i; } #pragma clang loop vectorize_width(V + 4) interleave_count(I + 4) for (int i = 0; i < Length; i++) { List[i] = i; } } template <int V> void test_nontype_template_vectorize(int *List, int Length) { /* expected-error {{invalid value '-1'; must be positive}} */ #pragma clang loop vectorize_width(V) for (int i = 0; i < Length; i++) { List[i] = i; } /* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop vectorize_width(V / 2) for (int i = 0; i < Length; i++) { List[i] += i; } } template <int I> void test_nontype_template_interleave(int *List, int Length) { /* expected-error {{invalid value '-1'; must be positive}} */ #pragma clang loop interleave_count(I) for (int i = 0; i < Length; i++) { List[i] = i; } /* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop interleave_count(2 % I) for (int i = 0; i < Length; i++) { List[i] = i; } } template <char V> void test_nontype_template_char(int *List, int Length) { /* expected-error {{invalid argument of type 'char'; expected an integer type}} */ #pragma clang loop vectorize_width(V) for (int i = 0; i < Length; i++) { List[i] = i; } } template <bool V> void test_nontype_template_bool(int *List, int Length) { /* expected-error {{invalid argument of type 'bool'; expected an integer type}} */ #pragma clang loop vectorize_width(V) for (int i = 0; i < Length; i++) { List[i] = i; } } template <int V, int I> void test_nontype_template_badarg(int *List, int Length) { /* expected-error {{use of undeclared identifier 'Vec'}} */ #pragma clang loop vectorize_width(Vec) interleave_count(I) /* expected-error {{use of undeclared identifier 'Int'}} */ #pragma clang loop vectorize_width(V) interleave_count(Int) for (int i = 0; i < Length; i++) { List[i] = i; } } template <typename T> void test_type_template_vectorize(int *List, int Length) { const T Value = -1; /* expected-error {{invalid value '-1'; must be positive}} */ #pragma clang loop vectorize_width(Value) for (int i = 0; i < Length; i++) { List[i] = i; } } void test(int *List, int Length) { int i = 0; #pragma clang loop vectorize(enable) #pragma clang loop interleave(enable) #pragma clang loop unroll(full) while (i + 1 < Length) { List[i] = i; } #pragma clang loop vectorize_width(4) #pragma clang loop interleave_count(8) #pragma clang loop unroll_count(16) while (i < Length) { List[i] = i; } #pragma clang loop vectorize(disable) #pragma clang loop interleave(disable) #pragma clang loop unroll(disable) while (i - 1 < Length) { List[i] = i; } #pragma clang loop vectorize_width(4) interleave_count(8) unroll_count(16) while (i - 2 < Length) { List[i] = i; } #pragma clang loop interleave_count(16) while (i - 3 < Length) { List[i] = i; } int VList[Length]; #pragma clang loop vectorize(disable) interleave(disable) unroll(disable) for (int j : VList) { VList[j] = List[j]; } test_nontype_template_param<4, 8>(List, Length); /* expected-error {{expected '('}} */ #pragma clang loop vectorize /* expected-error {{expected '('}} */ #pragma clang loop interleave /* expected-error {{expected '('}} */ #pragma clang loop unroll /* expected-error {{expected ')'}} */ #pragma clang loop vectorize(enable /* expected-error {{expected ')'}} */ #pragma clang loop interleave(enable /* expected-error {{expected ')'}} */ #pragma clang loop unroll(full /* expected-error {{expected ')'}} */ #pragma clang loop vectorize_width(4 /* expected-error {{expected ')'}} */ #pragma clang loop interleave_count(4 /* expected-error {{expected ')'}} */ #pragma clang loop unroll_count(4 /* expected-error {{missing argument; expected 'enable', 'assume_safety' or 'disable'}} */ #pragma clang loop vectorize() /* expected-error {{missing argument; expected an integer value}} */ #pragma clang loop interleave_count() /* expected-error {{missing argument; expected 'enable', 'full' or 'disable'}} */ #pragma clang loop unroll() /* expected-error {{missing option; expected vectorize, vectorize_width, interleave, interleave_count, unroll, or unroll_count}} */ #pragma clang loop /* expected-error {{invalid option 'badkeyword'}} */ #pragma clang loop badkeyword /* expected-error {{invalid option 'badkeyword'}} */ #pragma clang loop badkeyword(enable) /* expected-error {{invalid option 'badkeyword'}} */ #pragma clang loop vectorize(enable) badkeyword(4) /* expected-warning {{extra tokens at end of '#pragma clang loop'}} */ #pragma clang loop vectorize(enable) , while (i-4 < Length) { List[i] = i; } /* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop vectorize_width(0) /* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop interleave_count(0) /* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop unroll_count(0) /* expected-error {{expression is not an integral constant expression}} expected-note {{division by zero}} */ #pragma clang loop vectorize_width(10 / 0) /* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop interleave_count(10 / 5 - 2) while (i-5 < Length) { List[i] = i; } test_nontype_template_vectorize<4>(List, Length); /* expected-note {{in instantiation of function template specialization}} */ test_nontype_template_vectorize<-1>(List, Length); test_nontype_template_interleave<8>(List, Length); /* expected-note {{in instantiation of function template specialization}} */ test_nontype_template_interleave<-1>(List, Length); /* expected-note {{in instantiation of function template specialization}} */ test_nontype_template_char<'A'>(List, Length); // Loop hint arg cannot be a char. /* expected-note {{in instantiation of function template specialization}} */ test_nontype_template_bool<true>(List, Length); // Or a bool. /* expected-note {{in instantiation of function template specialization}} */ test_type_template_vectorize<int>(List, Length); // Or a template type. /* expected-error {{value '3000000000' is too large}} */ #pragma clang loop vectorize_width(3000000000) /* expected-error {{value '3000000000' is too large}} */ #pragma clang loop interleave_count(3000000000) /* expected-error {{value '3000000000' is too large}} */ #pragma clang loop unroll_count(3000000000) while (i-6 < Length) { List[i] = i; } /* expected-warning {{extra tokens at end of '#pragma clang loop'}} */ #pragma clang loop vectorize_width(1 +) 1 /* expected-warning {{extra tokens at end of '#pragma clang loop'}} */ #pragma clang loop vectorize_width(1) +1 const int VV = 4; /* expected-error {{expected expression}} */ #pragma clang loop vectorize_width(VV +/ 2) /* expected-error {{use of undeclared identifier 'undefined'}} */ #pragma clang loop vectorize_width(VV+undefined) /* expected-error {{expected ')'}} */ #pragma clang loop vectorize_width(1+(^*/2 * () /* expected-warning {{extra tokens at end of '#pragma clang loop' - ignored}} */ #pragma clang loop vectorize_width(1+(-0[0])))))) /* expected-error {{use of undeclared identifier 'badvalue'}} */ #pragma clang loop vectorize_width(badvalue) /* expected-error {{use of undeclared identifier 'badvalue'}} */ #pragma clang loop interleave_count(badvalue) /* expected-error {{use of undeclared identifier 'badvalue'}} */ #pragma clang loop unroll_count(badvalue) while (i-6 < Length) { List[i] = i; } /* expected-error {{invalid argument; expected 'enable', 'assume_safety' or 'disable'}} */ #pragma clang loop vectorize(badidentifier) /* expected-error {{invalid argument; expected 'enable', 'assume_safety' or 'disable'}} */ #pragma clang loop interleave(badidentifier) /* expected-error {{invalid argument; expected 'enable', 'full' or 'disable'}} */ #pragma clang loop unroll(badidentifier) while (i-7 < Length) { List[i] = i; } // PR20069 - Loop pragma arguments that are not identifiers or numeric // constants crash FE. /* expected-error {{expected ')'}} */ #pragma clang loop vectorize(() /* expected-error {{invalid argument; expected 'enable', 'assume_safety' or 'disable'}} */ #pragma clang loop interleave(*) /* expected-error {{invalid argument; expected 'enable', 'full' or 'disable'}} */ #pragma clang loop unroll(=) /* expected-error {{type name requires a specifier or qualifier}} expected-error {{expected expression}} */ #pragma clang loop vectorize_width(^) /* expected-error {{expected expression}} expected-error {{expected expression}} */ #pragma clang loop interleave_count(/) /* expected-error {{expected expression}} expected-error {{expected expression}} */ #pragma clang loop unroll_count(==) while (i-8 < Length) { List[i] = i; } #pragma clang loop vectorize(enable) /* expected-error {{expected a for, while, or do-while loop to follow '#pragma clang loop'}} */ int j = Length; List[0] = List[1]; while (j-1 < Length) { List[j] = j; } // FIXME: A bug in ParsedAttributes causes the order of the attributes to be // processed in reverse. Consequently, the errors occur on the first of pragma // of the next three tests rather than the last, and the order of the kinds // is also reversed. /* expected-error {{incompatible directives 'vectorize(disable)' and 'vectorize_width(4)'}} */ #pragma clang loop vectorize_width(4) #pragma clang loop vectorize(disable) /* expected-error {{incompatible directives 'interleave(disable)' and 'interleave_count(4)'}} */ #pragma clang loop interleave_count(4) #pragma clang loop interleave(disable) /* expected-error {{incompatible directives 'unroll(disable)' and 'unroll_count(4)'}} */ #pragma clang loop unroll_count(4) #pragma clang loop unroll(disable) while (i-8 < Length) { List[i] = i; } /* expected-error {{duplicate directives 'vectorize(disable)' and 'vectorize(enable)'}} */ #pragma clang loop vectorize(enable) #pragma clang loop vectorize(disable) /* expected-error {{duplicate directives 'interleave(disable)' and 'interleave(enable)'}} */ #pragma clang loop interleave(enable) #pragma clang loop interleave(disable) /* expected-error {{duplicate directives 'unroll(disable)' and 'unroll(full)'}} */ #pragma clang loop unroll(full) #pragma clang loop unroll(disable) while (i-9 < Length) { List[i] = i; } /* expected-error {{incompatible directives 'vectorize(disable)' and 'vectorize_width(4)'}} */ #pragma clang loop vectorize(disable) #pragma clang loop vectorize_width(4) /* expected-error {{incompatible directives 'interleave(disable)' and 'interleave_count(4)'}} */ #pragma clang loop interleave(disable) #pragma clang loop interleave_count(4) /* expected-error {{incompatible directives 'unroll(disable)' and 'unroll_count(4)'}} */ #pragma clang loop unroll(disable) #pragma clang loop unroll_count(4) while (i-10 < Length) { List[i] = i; } /* expected-error {{duplicate directives 'vectorize_width(4)' and 'vectorize_width(8)'}} */ #pragma clang loop vectorize_width(8) #pragma clang loop vectorize_width(4) /* expected-error {{duplicate directives 'interleave_count(4)' and 'interleave_count(8)'}} */ #pragma clang loop interleave_count(8) #pragma clang loop interleave_count(4) /* expected-error {{duplicate directives 'unroll_count(4)' and 'unroll_count(8)'}} */ #pragma clang loop unroll_count(8) #pragma clang loop unroll_count(4) while (i-11 < Length) { List[i] = i; } /* expected-error {{incompatible directives 'unroll(full)' and 'unroll_count(4)'}} */ #pragma clang loop unroll(full) #pragma clang loop unroll_count(4) while (i-11 < Length) { List[i] = i; } #pragma clang loop interleave(enable) /* expected-error {{expected statement}} */ }