1 // RUN: %clang_cc1 -std=c++11 -verify %s 2 3 // Note that this puts the expected lines before the directives to work around 4 // limitations in the -verify mode. 5 6 void test(int *List, int Length) { 7 int i = 0; 8 9 #pragma unroll 10 while (i + 1 < Length) { 11 List[i] = i; 12 } 13 14 #pragma nounroll 15 while (i < Length) { 16 List[i] = i; 17 } 18 19 #pragma unroll 4 20 while (i - 1 < Length) { 21 List[i] = i; 22 } 23 24 #pragma unroll(8) 25 while (i - 2 < Length) { 26 List[i] = i; 27 } 28 29 /* expected-error {{expected ')'}} */ #pragma unroll(4 30 /* expected-error {{missing argument; expected an integer value}} */ #pragma unroll() 31 /* expected-warning {{extra tokens at end of '#pragma unroll'}} */ #pragma unroll 1 2 32 while (i-6 < Length) { 33 List[i] = i; 34 } 35 36 /* expected-warning {{extra tokens at end of '#pragma nounroll'}} */ #pragma nounroll 1 37 while (i-7 < Length) { 38 List[i] = i; 39 } 40 41 /* expected-error {{expected ')'}} */ #pragma unroll(() 42 /* expected-error {{expected expression}} */ #pragma unroll - 43 /* expected-error {{invalid value '0'; must be positive}} */ #pragma unroll(0) 44 /* expected-error {{invalid value '0'; must be positive}} */ #pragma unroll 0 45 /* expected-error {{value '3000000000' is too large}} */ #pragma unroll(3000000000) 46 /* expected-error {{value '3000000000' is too large}} */ #pragma unroll 3000000000 47 while (i-8 < Length) { 48 List[i] = i; 49 } 50 51 #pragma unroll 52 /* expected-error {{expected a for, while, or do-while loop to follow '#pragma unroll'}} */ int j = Length; 53 #pragma unroll 4 54 /* expected-error {{expected a for, while, or do-while loop to follow '#pragma unroll'}} */ int k = Length; 55 #pragma nounroll 56 /* expected-error {{expected a for, while, or do-while loop to follow '#pragma nounroll'}} */ int l = Length; 57 58 /* expected-error {{incompatible directives 'unroll(disable)' and '#pragma unroll(4)'}} */ #pragma unroll 4 59 #pragma clang loop unroll(disable) 60 while (i-10 < Length) { 61 List[i] = i; 62 } 63 64 /* expected-error {{incompatible directives 'unroll(full)' and '#pragma unroll(4)'}} */ #pragma unroll(4) 65 #pragma clang loop unroll(full) 66 while (i-11 < Length) { 67 List[i] = i; 68 } 69 70 /* expected-error {{incompatible directives 'unroll(enable)' and '#pragma unroll(4)'}} */ #pragma unroll(4) 71 #pragma clang loop unroll(enable) 72 while (i-11 < Length) { 73 List[i] = i; 74 } 75 76 /* expected-error {{incompatible directives '#pragma unroll' and '#pragma unroll(4)'}} */ #pragma unroll(4) 77 #pragma unroll 78 while (i-11 < Length) { 79 List[i] = i; 80 } 81 82 /* expected-error {{incompatible directives '#pragma nounroll' and 'unroll_count(4)'}} */ #pragma clang loop unroll_count(4) 83 #pragma nounroll 84 while (i-12 < Length) { 85 List[i] = i; 86 } 87 88 /* expected-error {{duplicate directives '#pragma nounroll' and '#pragma nounroll'}} */ #pragma nounroll 89 #pragma nounroll 90 while (i-13 < Length) { 91 List[i] = i; 92 } 93 94 /* expected-error {{duplicate directives '#pragma unroll' and '#pragma unroll'}} */ #pragma unroll 95 #pragma unroll 96 while (i-14 < Length) { 97 List[i] = i; 98 } 99 100 /* expected-error {{duplicate directives 'unroll(full)' and '#pragma unroll'}} */ #pragma unroll 101 #pragma clang loop unroll(full) 102 while (i-15 < Length) { 103 List[i] = i; 104 } 105 106 /* expected-error {{duplicate directives '#pragma unroll(4)' and '#pragma unroll(4)'}} */ #pragma unroll 4 107 #pragma unroll(4) 108 while (i-16 < Length) { 109 List[i] = i; 110 } 111 112 #pragma unroll 113 /* expected-error {{expected statement}} */ } 114
