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      1 // RUN: %clang_cc1 -triple=x86_64-pc-win32 -verify -fopenmp -x c++ -std=c++11 -fms-extensions %s
      2 
      3 // expected-error@+1 {{expected an OpenMP directive}}
      4 #pragma omp declare
      5 
      6 // expected-error@+2 {{'#pragma omp declare simd' can only be applied to functions}}
      7 #pragma omp declare simd
      8 int a;
      9 // expected-error@+2 {{'#pragma omp declare simd' can only be applied to functions}}
     10 #pragma omp declare simd
     11 #pragma omp threadprivate(a)
     12 int var;
     13 #pragma omp threadprivate(var)
     14 
     15 // expected-error@+2 {{expected an OpenMP directive}} expected-error@+1 {{function declaration is expected after 'declare simd' directive}}
     16 #pragma omp declare simd
     17 #pragma omp declare
     18 
     19 // expected-error@+3 {{function declaration is expected after 'declare simd' directive}}
     20 // expected-error@+1 {{function declaration is expected after 'declare simd' directive}}
     21 #pragma omp declare simd
     22 #pragma omp declare simd
     23 #pragma options align=packed
     24 int main();
     25 
     26 // expected-error@+3 {{function declaration is expected after 'declare simd' directive}}
     27 // expected-error@+1 {{function declaration is expected after 'declare simd' directive}}
     28 #pragma omp declare simd
     29 #pragma omp declare simd
     30 #pragma init_seg(compiler)
     31 int main();
     32 
     33 // expected-error@+1 {{single declaration is expected after 'declare simd' directive}}
     34 #pragma omp declare simd
     35 // expected-note@+1 {{declared here}}
     36 int b, c;
     37 
     38 // expected-error@+1 {{'C' does not refer to a value}}
     39 #pragma omp declare simd simdlen(C)
     40 // expected-note@+1 {{declared here}}
     41 template <class C>
     42 void h(C *hp, C *hp2, C *hq, C *lin) {
     43   b = 0;
     44 }
     45 
     46 #pragma omp declare simd
     47 template <>
     48 void h(int *hp, int *hp2, int *hq, int *lin) {
     49   h((float *)hp, (float *)hp2, (float *)hq, (float *)lin);
     50 }
     51 
     52 #pragma omp declare simd inbranch inbranch
     53 #pragma omp declare simd notinbranch notinbranch
     54 #pragma omp declare simd inbranch inbranch notinbranch // expected-error {{unexpected 'notinbranch' clause, 'inbranch' is specified already}}
     55 #pragma omp declare simd notinbranch notinbranch inbranch // expected-error {{unexpected 'inbranch' clause, 'notinbranch' is specified already}}
     56 // expected-note@+2 {{read of non-const variable 'b' is not allowed in a constant expression}}
     57 // expected-error@+1 {{expression is not an integral constant expression}}
     58 #pragma omp declare simd simdlen(b)
     59 // expected-error@+1 {{directive '#pragma omp declare simd' cannot contain more than one 'simdlen' clause}}
     60 #pragma omp declare simd simdlen(32) simdlen(c)
     61 // expected-error@+1 {{expected '(' after 'simdlen'}}
     62 #pragma omp declare simd simdlen
     63 // expected-note@+3 {{to match this '('}}
     64 // expected-error@+2 {{expected ')'}}
     65 // expected-error@+1 {{expected expression}}
     66 #pragma omp declare simd simdlen(
     67 // expected-error@+2 {{expected '(' after 'simdlen'}}
     68 // expected-error@+1 {{expected expression}}
     69 #pragma omp declare simd simdlen(), simdlen
     70 // expected-error@+1 2 {{expected expression}}
     71 #pragma omp declare simd simdlen(), simdlen()
     72 // expected-warning@+3 {{extra tokens at the end of '#pragma omp declare simd' are ignored}}
     73 // expected-error@+2 {{expected '(' after 'simdlen'}}
     74 // expected-error@+1 {{expected expression}}
     75 #pragma omp declare simd simdlen() simdlen)
     76 void foo();
     77 
     78 // expected-error@+3 4 {{expected reference to one of the parameters of function 'foo'}}
     79 // expected-error@+2 {{invalid use of 'this' outside of a non-static member function}}
     80 // expected-error@+1 {{argument to 'simdlen' clause must be a strictly positive integer value}}
     81 #pragma omp declare simd simdlen(N) uniform(this, var) aligned(var)
     82 template<int N>
     83 void foo() {}
     84 
     85 void test() {
     86   // expected-note@+1 {{in instantiation of function template specialization 'foo<-3>' requested here}}
     87   foo<-3>();
     88 }
     89 
     90 // expected-error@+1 {{expected '(' after 'uniform'}}
     91 #pragma omp declare simd uniform
     92 // expected-note@+3 {{to match this '('}}
     93 // expected-error@+2 {{expected ')'}}
     94 // expected-error@+1 {{expected expression}}
     95 #pragma omp declare simd uniform(
     96 // expected-error@+1 {{expected expression}}
     97 #pragma omp declare simd uniform()
     98 // expected-note@+3 {{to match this '('}}
     99 // expected-error@+2 {{expected ')'}}
    100 // expected-error@+1 {{invalid use of 'this' outside of a non-static member function}}
    101 #pragma omp declare simd uniform(this
    102 // expected-note@+3 {{to match this '('}}
    103 // expected-error@+2 {{expected ')'}}
    104 // expected-error@+1 {{invalid use of 'this' outside of a non-static member function}}
    105 #pragma omp declare simd uniform(this,a
    106 // expected-error@+1 {{expected expression}}
    107 #pragma omp declare simd uniform(,a)
    108 // expected-error@+1 {{expected '(' after 'aligned'}}
    109 #pragma omp declare simd aligned
    110 // expected-note@+3 {{to match this '('}}
    111 // expected-error@+2 {{expected ')'}}
    112 // expected-error@+1 {{expected expression}}
    113 #pragma omp declare simd aligned(
    114 // expected-error@+1 {{expected expression}}
    115 #pragma omp declare simd aligned()
    116 // expected-note@+3 {{to match this '('}}
    117 // expected-error@+2 {{expected ')'}}
    118 // expected-error@+1 {{expected expression}}
    119 #pragma omp declare simd aligned(a:
    120 // expected-error@+1 {{expected expression}}
    121 #pragma omp declare simd aligned(a:)
    122 // expected-warning@+2 {{extra tokens at the end of '#pragma omp declare simd' are ignored}}
    123 // expected-error@+1 {{expected '(' after 'aligned'}}
    124 #pragma omp declare simd aligned :)
    125 // expected-note@+3 {{to match this '('}}
    126 // expected-error@+2 {{expected ')'}}
    127 // expected-error@+1 {{invalid use of 'this' outside of a non-static member function}}
    128 #pragma omp declare simd aligned(this
    129 // expected-note@+3 {{to match this '('}}
    130 // expected-error@+2 {{expected ')'}}
    131 // expected-error@+1 {{invalid use of 'this' outside of a non-static member function}}
    132 #pragma omp declare simd aligned(this,b
    133 // expected-error@+1 {{expected expression}}
    134 #pragma omp declare simd aligned(, b)
    135 // expected-note@+4 {{defined as aligned}}
    136 // expected-error@+3 {{a parameter cannot appear in more than one aligned clause}}
    137 // expected-error@+2 {{expected expression}}
    138 // expected-error@+1 {{expected ',' or ')' in 'aligned' clause}}
    139 #pragma omp declare simd aligned(b) aligned(b ; 64)
    140 // expected-note@+2 {{defined as aligned}}
    141 // expected-error@+1 {{a parameter cannot appear in more than one aligned clause}}
    142 #pragma omp declare simd aligned(b) aligned(b: 64)
    143 // expected-error@+1 {{argument to 'aligned' clause must be a strictly positive integer value}}
    144 #pragma omp declare simd aligned(b: -1)
    145 // expected-warning@+1 {{aligned clause will be ignored because the requested alignment is not a power of 2}}
    146 #pragma omp declare simd aligned(b: 3)
    147 // expected-error@+1 {{expected '(' after 'linear'}}
    148 #pragma omp declare simd linear
    149 // expected-note@+3 {{to match this '('}}
    150 // expected-error@+2 {{expected ')'}}
    151 // expected-error@+1 {{expected expression}}
    152 #pragma omp declare simd linear(
    153 // expected-error@+1 {{expected expression}}
    154 #pragma omp declare simd linear()
    155 // expected-note@+3 {{to match this '('}}
    156 // expected-error@+2 {{expected ')'}}
    157 // expected-error@+1 {{expected expression}}
    158 #pragma omp declare simd linear(a:
    159 // expected-error@+1 {{expected expression}}
    160 #pragma omp declare simd linear(a:)
    161 // expected-warning@+2 {{extra tokens at the end of '#pragma omp declare simd' are ignored}}
    162 // expected-error@+1 {{expected '(' after 'linear'}}
    163 #pragma omp declare simd linear :)
    164 // expected-note@+3 {{to match this '('}}
    165 // expected-error@+2 {{expected ')'}}
    166 // expected-error@+1 {{invalid use of 'this' outside of a non-static member function}}
    167 #pragma omp declare simd linear(this
    168 // expected-note@+3 {{to match this '('}}
    169 // expected-error@+2 {{expected ')'}}
    170 // expected-error@+1 {{invalid use of 'this' outside of a non-static member function}}
    171 #pragma omp declare simd linear(this,b
    172 // expected-error@+1 {{expected expression}}
    173 #pragma omp declare simd linear(, b)
    174 // expected-note@+4 {{defined as linear}}
    175 // expected-error@+3 {{linear variable cannot be linear}}
    176 // expected-error@+2 {{expected expression}}
    177 // expected-error@+1 {{expected ',' or ')' in 'linear' clause}}
    178 #pragma omp declare simd linear(b) linear(b ; 64)
    179 // expected-note@+2 {{defined as linear}}
    180 // expected-error@+1 {{linear variable cannot be linear}}
    181 #pragma omp declare simd linear(b) linear(b: 64)
    182 #pragma omp declare simd linear(b: -1)
    183 #pragma omp declare simd linear(b: 3)
    184 // expected-error@+1 {{expected a reference to a parameter specified in a 'uniform' clause}}
    185 #pragma omp declare simd linear(b: a)
    186 // expected-note@+2 {{defined as uniform}}
    187 // expected-error@+1 {{linear variable cannot be uniform}}
    188 #pragma omp declare simd uniform(a), linear(a: 4)
    189 // expected-note@+2 {{defined as uniform}}
    190 // expected-error@+1 {{linear variable cannot be uniform}}
    191 #pragma omp declare simd linear(a: 4) uniform(a)
    192 // expected-error@+1 {{variable of non-reference type 'int *' can be used only with 'val' modifier, but used with 'uval'}}
    193 #pragma omp declare simd linear(uval(b))
    194 // expected-error@+1 {{variable of non-reference type 'int *' can be used only with 'val' modifier, but used with 'ref'}}
    195 #pragma omp declare simd linear(ref(b))
    196 // expected-error@+1 {{expected one of 'ref', val' or 'uval' modifiers}}
    197 #pragma omp declare simd linear(uref(b))
    198 void bar(int a, int *b);
    199 
    200 template <class T>
    201 struct St {
    202 // expected-error@+2 {{function declaration is expected after 'declare simd' directive}}
    203 #pragma init_seg(compiler)
    204 #pragma omp declare simd
    205 #pragma init_seg(compiler)
    206 // expected-note@+7 {{defined as uniform}}
    207 // expected-error@+6 {{expected a reference to a parameter specified in a 'uniform' clause}}
    208 // expected-error@+5 {{linear variable cannot be uniform}}
    209 // expected-note@+4 {{defined as aligned}}
    210 // expected-error@+3 {{argument to 'aligned' clause must be a strictly positive integer value}}
    211 // expected-error@+2 {{'this' cannot appear in more than one aligned clause}}
    212 // expected-error@+1 {{use of undeclared identifier 't'}}
    213 #pragma omp declare simd uniform(this, t) aligned(this: 4) aligned(this: -4) linear(this: hp)
    214   void h(T *hp) {
    215 // expected-error@+1 {{unexpected OpenMP directive '#pragma omp declare simd'}}
    216 #pragma omp declare simd
    217     *hp = *t;
    218   }
    219 
    220 private:
    221   T t;
    222 };
    223 
    224 namespace N {
    225   // expected-error@+1 {{function declaration is expected after 'declare simd' directive}}
    226   #pragma omp declare simd
    227 }
    228 // expected-error@+1 {{function declaration is expected after 'declare simd' directive}}
    229 #pragma omp declare simd
    230 // expected-error@+1 {{function declaration is expected after 'declare simd' directive}}
    231 #pragma omp declare simd
    232