clang/test/Parser/pragma-fp.cpp

   1 // RUN: %clang_cc1 -std=c++11 -verify %s
   2
   3 void test_0(int *List, int Length) {
   4 /* expected-error@+1 {{missing option; expected 'contract', 'reassociate', 'reciprocal', or 'exceptions'}} */
   5 #pragma clang fp
   6   for (int i = 0; i < Length; i++) {
   7     List[i] = i;
   8   }
   9 }
  10 void test_1(int *List, int Length) {
  11 /* expected-error@+1 {{invalid option 'blah'; expected 'contract', 'reassociate', 'reciprocal', or 'exceptions'}} */
  12 #pragma clang fp blah
  13   for (int i = 0; i < Length; i++) {
  14     List[i] = i;
  15   }
  16 }
  17
  18 void test_3(int *List, int Length) {
  19 /* expected-error@+1 {{expected '('}} */
  20 #pragma clang fp contract on
  21   for (int i = 0; i < Length; i++) {
  22     List[i] = i;
  23   }
  24 }
  25
  26 void test_4(int *List, int Length) {
  27 /* expected-error@+1 {{unexpected argument 'while' to '#pragma clang fp contract'; expected 'fast' or 'on' or 'off'}} */
  28 #pragma clang fp contract(while)
  29   for (int i = 0; i < Length; i++) {
  30     List[i] = i;
  31   }
  32 }
  33
  34 void test_5(int *List, int Length) {
  35 /* expected-error@+1 {{unexpected argument 'maybe' to '#pragma clang fp contract'; expected 'fast' or 'on' or 'off'}} */
  36 #pragma clang fp contract(maybe)
  37   for (int i = 0; i < Length; i++) {
  38     List[i] = i;
  39   }
  40 }
  41
  42 void test_6(int *List, int Length) {
  43 /* expected-error@+1 {{expected ')'}} */
  44 #pragma clang fp contract(fast
  45   for (int i = 0; i < Length; i++) {
  46     List[i] = i;
  47   }
  48 }
  49
  50 void test_7(int *List, int Length) {
  51 /* expected-warning@+1 {{extra tokens at end of '#pragma clang fp' - ignored}} */
  52 #pragma clang fp contract(fast) *
  53   for (int i = 0; i < Length; i++) {
  54     List[i] = i;
  55   }
  56 }
  57
  58 void test_8(int *List, int Length) {
  59   for (int i = 0; i < Length; i++) {
  60     List[i] = i;
  61 /* expected-error@+1 {{'#pragma clang fp' can only appear at file scope or at the start of a compound statement}} */
  62 #pragma clang fp contract(fast)
  63   }
  64 }
  65
  66 void test_9(float *dest, float a, float b) {
  67 /* expected-error@+1 {{unexpected argument 'on' to '#pragma clang fp exceptions'; expected 'ignore', 'maytrap' or 'strict'}} */
  68 #pragma clang fp exceptions(on)
  69   *dest = a + b;
  70 }
  71
  72 void test_10(float *dest, float a, float b) {
  73 #pragma clang fp exceptions(maytrap) contract(fast) reassociate(on)
  74   *dest = a + b;
  75 }