clang/test/OpenMP/parallel_for_simd_if_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 %s -Wuninitialized
   2
   3 // RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=45 %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 parallel 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 i, z;
  24   #pragma omp parallel for simd if // expected-error {{expected '(' after 'if'}}
  25   for (i = 0; i < argc; ++i) foo();
  26   #pragma omp parallel for simd if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  27   for (i = 0; i < argc; ++i) foo();
  28   #pragma omp parallel for simd if () // expected-error {{expected expression}}
  29   for (i = 0; i < argc; ++i) foo();
  30   #pragma omp parallel for simd if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  31   for (i = 0; i < argc; ++i) foo();
  32   #pragma omp parallel for simd if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel for simd' are ignored}}
  33   for (i = 0; i < argc; ++i) foo();
  34   #pragma omp parallel for simd if (argc > 0 ? argv[1] : argv[2])
  35   for (i = 0; i < argc; ++i) foo();
  36   #pragma omp parallel for simd if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp parallel for simd' cannot contain more than one 'if' clause}}
  37   for (i = 0; i < argc; ++i) foo();
  38   #pragma omp parallel for simd if (S) // expected-error {{'S' does not refer to a value}}
  39   for (i = 0; i < argc; ++i) foo();
  40   #pragma omp parallel for simd if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  41   for (i = 0; i < argc; ++i) foo();
  42   #pragma omp parallel for simd if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  43   for (i = 0; i < argc; ++i) foo();
  44   #pragma omp parallel for simd if(argc + z)
  45   for (i = 0; i < argc; ++i) foo();
  46   #pragma omp parallel for simd if(parallel // expected-error {{use of undeclared identifier 'parallel'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  47   for (i = 0; i < argc; ++i) foo();
  48   #pragma omp parallel for simd if(parallel : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  49   for (i = 0; i < argc; ++i) foo();
  50   #pragma omp parallel for simd if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  51   for (i = 0; i < argc; ++i) foo();
  52   #pragma omp parallel for simd if(parallel : argc)
  53   for (i = 0; i < argc; ++i) foo();
  54   #pragma omp parallel for simd if(parallel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp parallel for simd'}}
  55   for (i = 0; i < argc; ++i) foo();
  56   #pragma omp parallel for simd if(parallel : argc) if (parallel:argc) // expected-error {{directive '#pragma omp parallel for simd' cannot contain more than one 'if' clause with 'parallel' name modifier}}
  57   for (i = 0; i < argc; ++i) foo();
  58   #pragma omp parallel for simd if(parallel : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}}
  59   for (i = 0; i < argc; ++i) foo();
  60
  61   return 0;
  62 }
  63
  64 int main(int argc, char **argv) {
  65   int i, z;
  66   #pragma omp parallel for simd if // expected-error {{expected '(' after 'if'}}
  67   for (i = 0; i < argc; ++i) foo();
  68   #pragma omp parallel for simd if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  69   for (i = 0; i < argc; ++i) foo();
  70   #pragma omp parallel for simd if () // expected-error {{expected expression}}
  71   for (i = 0; i < argc; ++i) foo();
  72   #pragma omp parallel for simd if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  73   for (i = 0; i < argc; ++i) foo();
  74   #pragma omp parallel for simd if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel for simd' are ignored}}
  75   for (i = 0; i < argc; ++i) foo();
  76   #pragma omp parallel for simd if (argc > 0 ? argv[1] : argv[2])
  77   for (i = 0; i < argc; ++i) foo();
  78   #pragma omp parallel for simd if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp parallel for simd' cannot contain more than one 'if' clause}}
  79   for (i = 0; i < argc; ++i) foo();
  80   #pragma omp parallel for simd if (S1) // expected-error {{'S1' does not refer to a value}}
  81   for (i = 0; i < argc; ++i) foo();
  82   #pragma omp parallel for simd if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  83   for (i = 0; i < argc; ++i) foo();
  84   #pragma omp parallel for simd if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  85   for (i = 0; i < argc; ++i) foo();
  86   #pragma omp parallel for simd if (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  87   for (i = 0; i < argc; ++i) foo();
  88   #pragma omp parallel for simd if(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  89   for (i = 0; i < argc; ++i) foo();
  90   #pragma omp parallel for simd if(parallel // expected-error {{use of undeclared identifier 'parallel'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  91   for (i = 0; i < argc; ++i) foo();
  92   #pragma omp parallel for simd if(parallel : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  93   for (i = 0; i < argc; ++i) foo();
  94   #pragma omp parallel for simd if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  95   for (i = 0; i < argc; ++i) foo();
  96   #pragma omp parallel for simd if(parallel : argc / z)
  97   for (i = 0; i < argc; ++i) foo();
  98   #pragma omp parallel for simd if(parallel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp parallel for simd'}}
  99   for (i = 0; i < argc; ++i) foo();
 100   #pragma omp parallel for simd if(parallel : argc) if (parallel:argc) // expected-error {{directive '#pragma omp parallel for simd' cannot contain more than one 'if' clause with 'parallel' name modifier}}
 101   for (i = 0; i < argc; ++i) foo();
 102   #pragma omp parallel for simd if(parallel : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}}
 103   for (i = 0; i < argc; ++i) foo();
 104
 105   return tmain(argc, argv);
 106 }