| // 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 vectorize_predicate(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 vectorize_predicate(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) vectorize_predicate(disable) |
| for (int j : VList) { |
| VList[j] = List[j]; |
| } |
| |
| #pragma clang loop distribute(enable) |
| for (int j : VList) { |
| VList[j] = List[j]; |
| } |
| |
| #pragma clang loop distribute(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 vectorize_predicate |
| /* expected-error {{expected '('}} */ #pragma clang loop unroll |
| /* expected-error {{expected '('}} */ #pragma clang loop distribute |
| |
| /* expected-error {{expected ')'}} */ #pragma clang loop vectorize(enable |
| /* expected-error {{expected ')'}} */ #pragma clang loop interleave(enable |
| /* expected-error {{expected ')'}} */ #pragma clang loop vectorize_predicate(enable |
| /* expected-error {{expected ')'}} */ #pragma clang loop unroll(full |
| /* expected-error {{expected ')'}} */ #pragma clang loop distribute(enable |
| |
| /* 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 argument; expected 'enable' or 'disable'}} */ #pragma clang loop distribute() |
| |
| /* expected-error {{missing option; expected vectorize, vectorize_width, interleave, interleave_count, unroll, unroll_count, pipeline, pipeline_initiation_interval, vectorize_predicate, or distribute}} */ #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) |
| /* expected-error {{invalid argument; expected 'enable' or 'disable'}} */ #pragma clang loop distribute(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 {{invalid argument; expected 'enable' or 'disable'}} */ #pragma clang loop distribute(+) |
| /* 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. |
| |
| #pragma clang loop vectorize_width(4) |
| /* expected-error {{incompatible directives 'vectorize(disable)' and 'vectorize_width(4)'}} */ #pragma clang loop vectorize(disable) |
| #pragma clang loop interleave_count(4) |
| /* expected-error {{incompatible directives 'interleave(disable)' and 'interleave_count(4)'}} */ #pragma clang loop interleave(disable) |
| #pragma clang loop unroll_count(4) |
| /* expected-error {{incompatible directives 'unroll(disable)' and 'unroll_count(4)'}} */ #pragma clang loop unroll(disable) |
| while (i-8 < Length) { |
| List[i] = i; |
| } |
| |
| #pragma clang loop vectorize(enable) |
| /* expected-error {{duplicate directives 'vectorize(enable)' and 'vectorize(disable)'}} */ #pragma clang loop vectorize(disable) |
| #pragma clang loop interleave(enable) |
| /* expected-error {{duplicate directives 'interleave(enable)' and 'interleave(disable)'}} */ #pragma clang loop interleave(disable) |
| #pragma clang loop vectorize_predicate(enable) |
| /* expected-error@+1 {{duplicate directives 'vectorize_predicate(enable)' and 'vectorize_predicate(disable)'}} */ |
| #pragma clang loop vectorize_predicate(disable) |
| #pragma clang loop unroll(full) |
| /* expected-error {{duplicate directives 'unroll(full)' and 'unroll(disable)'}} */ #pragma clang loop unroll(disable) |
| #pragma clang loop distribute(enable) |
| /* expected-error {{duplicate directives 'distribute(enable)' and 'distribute(disable)'}} */ #pragma clang loop distribute(disable) |
| while (i-9 < Length) { |
| List[i] = i; |
| } |
| |
| #pragma clang loop vectorize(disable) |
| /* expected-error {{incompatible directives 'vectorize(disable)' and 'vectorize_width(4)'}} */ #pragma clang loop vectorize_width(4) |
| #pragma clang loop interleave(disable) |
| /* expected-error {{incompatible directives 'interleave(disable)' and 'interleave_count(4)'}} */ #pragma clang loop interleave_count(4) |
| #pragma clang loop unroll(disable) |
| /* expected-error {{incompatible directives 'unroll(disable)' and 'unroll_count(4)'}} */ #pragma clang loop unroll_count(4) |
| while (i-10 < Length) { |
| List[i] = i; |
| } |
| |
| #pragma clang loop vectorize_width(8) |
| /* expected-error {{duplicate directives 'vectorize_width(8)' and 'vectorize_width(4)'}} */ #pragma clang loop vectorize_width(4) |
| #pragma clang loop interleave_count(8) |
| /* expected-error {{duplicate directives 'interleave_count(8)' and 'interleave_count(4)'}} */ #pragma clang loop interleave_count(4) |
| #pragma clang loop unroll_count(8) |
| /* expected-error {{duplicate directives 'unroll_count(8)' and 'unroll_count(4)'}} */ #pragma clang loop unroll_count(4) |
| while (i-11 < Length) { |
| List[i] = i; |
| } |
| |
| #pragma clang loop unroll(full) |
| /* expected-error {{incompatible directives 'unroll(full)' and 'unroll_count(4)'}} */ #pragma clang loop unroll_count(4) |
| while (i-11 < Length) { |
| List[i] = i; |
| } |
| |
| #pragma clang loop interleave(enable) |
| /* expected-error {{expected statement}} */ } |
| |
| void foo(void) { |
| #pragma clang loop vectorize_predicate(enable) |
| /* expected-error {{expected statement}} */ } |