clang/test/OpenMP/for_simd_if_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
   2
   3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
   4
   5 void foo() {
   6 }
   7
   8 bool foobool(int argc) {
   9   return argc;
  10 }
  11
  12 void xxx(int argc) {
  13   int cond; // expected-note {{initialize the variable 'cond' to silence this warning}}
  14 #pragma omp for simd if(cond) // expected-warning {{variable 'cond' is uninitialized when used here}}
  15   for (int i = 0; i < 10; ++i)
  16     ;
  17 }
  18
  19 struct S1; // expected-note {{declared here}}
  20
  21 template <class T, class S> // expected-note {{declared here}}
  22 int tmain(T argc, S **argv) {
  23   T z;
  24   int i;
  25   #pragma omp for simd if // expected-error {{expected '(' after 'if'}}
  26   for (i = 0; i < argc; ++i) foo();
  27   #pragma omp for simd if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  28   for (i = 0; i < argc; ++i) foo();
  29   #pragma omp for simd if () // expected-error {{expected expression}}
  30   for (i = 0; i < argc; ++i) foo();
  31   #pragma omp for simd if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  32   for (i = 0; i < argc; ++i) foo();
  33   #pragma omp for simd if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp for simd' are ignored}}
  34   for (i = 0; i < argc; ++i) foo();
  35   #pragma omp for simd if (argc > 0 ? argv[1] : argv[2])
  36   for (i = 0; i < argc; ++i) foo();
  37   #pragma omp for simd if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp for simd' cannot contain more than one 'if' clause}}
  38   for (i = 0; i < argc; ++i) foo();
  39   #pragma omp for simd if (S) // expected-error {{'S' does not refer to a value}}
  40   for (i = 0; i < argc; ++i) foo();
  41   #pragma omp for simd if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  42   for (i = 0; i < argc; ++i) foo();
  43   #pragma omp for simd if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  44   for (i = 0; i < argc; ++i) foo();
  45   #pragma omp for simd if(argc + z)
  46   for (i = 0; i < argc; ++i) foo();
  47   #pragma omp for simd if(simd : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  48   for (i = 0; i < argc; ++i) foo();
  49   #pragma omp for simd if(simd : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  50   for (i = 0; i < argc; ++i) foo();
  51   #pragma omp for simd if(simd : argc)
  52   for (i = 0; i < argc; ++i) foo();
  53   #pragma omp for simd if(target : argc) // expected-error {{directive name modifier 'target' is not allowed for '#pragma omp for simd'}}
  54   for (i = 0; i < argc; ++i) foo();
  55   #pragma omp for simd if(simd : argc) if (simd :argc) // expected-error {{directive '#pragma omp for simd' cannot contain more than one 'if' clause with 'simd' name modifier}}
  56   for (i = 0; i < argc; ++i) foo();
  57   #pragma omp for simd if(simd : argc) if (argc) // expected-note {{previous clause with directive name modifier specified here}} expected-error {{no more 'if' clause is allowed}}
  58   for (i = 0; i < argc; ++i) foo();
  59
  60   return 0;
  61 }
  62
  63 int main(int argc, char **argv) {
  64   int i, z;
  65   #pragma omp for simd if // expected-error {{expected '(' after 'if'}}
  66   for (i = 0; i < argc; ++i) foo();
  67   #pragma omp for simd if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  68   for (i = 0; i < argc; ++i) foo();
  69   #pragma omp for simd if () // expected-error {{expected expression}}
  70   for (i = 0; i < argc; ++i) foo();
  71   #pragma omp for simd if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  72   for (i = 0; i < argc; ++i) foo();
  73   #pragma omp for simd if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp for simd' are ignored}}
  74   for (i = 0; i < argc; ++i) foo();
  75   #pragma omp for simd if (argc > 0 ? argv[1] : argv[2])
  76   for (i = 0; i < argc; ++i) foo();
  77   #pragma omp for simd if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp for simd' cannot contain more than one 'if' clause}}
  78   for (i = 0; i < argc; ++i) foo();
  79   #pragma omp for simd if (S1) // expected-error {{'S1' does not refer to a value}}
  80   for (i = 0; i < argc; ++i) foo();
  81   #pragma omp for simd if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  82   for (i = 0; i < argc; ++i) foo();
  83   #pragma omp for simd if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  84   for (i = 0; i < argc; ++i) foo();
  85   #pragma omp for simd if (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  86   for (i = 0; i < argc; ++i) foo();
  87   #pragma omp for simd if(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  88   for (i = 0; i < argc; ++i) foo();
  89   #pragma omp for simd if(simd : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  90   for (i = 0; i < argc; ++i) foo();
  91   #pragma omp for simd if(simd : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  92   for (i = 0; i < argc; ++i) foo();
  93   #pragma omp for simd if(simd : argc + z) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp for simd'}}
  94   for (i = 0; i < argc; ++i) foo();
  95   #pragma omp for simd if(simd : argc) if (simd :argc) // expected-error {{directive '#pragma omp for simd' cannot contain more than one 'if' clause with 'simd' name modifier}}
  96   for (i = 0; i < argc; ++i) foo();
  97   #pragma omp for simd if(simd : argc) if (argc) // expected-note {{previous clause with directive name modifier specified here}} expected-error {{no more 'if' clause is allowed}}
  98   for (i = 0; i < argc; ++i) foo();
  99
 100   return tmain(argc, argv);
 101 }