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1
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2 // Tile parititioning
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3
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4 void Ok ()
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5 {
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6 #pragma acc parallel num_gangs (10) num_workers(32) vector_length(32)
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7 {
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8
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9 #pragma acc loop tile(*) gang vector
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10 for (int ix = 0; ix < 10; ix++)
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11 {
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12 }
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13
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14 #pragma acc loop tile(*)
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15 for (int ix = 0; ix < 10; ix++)
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16 {
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17 }
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18
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19 #pragma acc loop tile(*) gang
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20 for (int ix = 0; ix < 10; ix++)
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21 {
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22 #pragma acc loop vector
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23 for (int jx = 0; jx < 10; jx++)
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24 ;
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25 }
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26
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27 #pragma acc loop tile(*)
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28 for (int ix = 0; ix < 10; ix++)
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29 {
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30 #pragma acc loop vector
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31 for (int jx = 0; jx < 10; jx++)
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32 ;
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33 }
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34
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35 #pragma acc loop gang
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36 for (int jx = 0; jx < 10; jx++)
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37 {
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38 #pragma acc loop tile(*) vector
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39 for (int ix = 0; ix < 10; ix++)
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40 {
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41 }
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42
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43 #pragma acc loop tile(*)
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44 for (int ix = 0; ix < 10; ix++)
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45 {
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46 }
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47 }
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48
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49 #pragma acc loop tile(*) worker
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50 for (int ix = 0; ix < 10; ix++)
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51 {
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52 #pragma acc loop vector
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53 for (int jx = 0; jx < 10; jx++)
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54 ;
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55 }
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56 }
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57 }
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58
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59 void Bad ()
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60 {
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61 #pragma acc parallel num_gangs (10) num_workers(32) vector_length(32)
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62 {
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63
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64 #pragma acc loop tile(*) gang vector /* { dg-message "containing loop" } */
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65 for (int ix = 0; ix < 10; ix++)
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66 {
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67 #pragma acc loop vector /* { dg-error "uses same" } */
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68 for (int jx = 0; jx < 10; jx++)
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69 ;
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70 }
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71
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72 #pragma acc loop tile(*) gang vector
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73 for (int ix = 0; ix < 10; ix++)
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74 {
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75 #pragma acc loop auto /* { dg-warning "insufficient partitioning" } */
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76 for (int jx = 0; jx < 10; jx++)
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77 ;
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78 }
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79
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80 #pragma acc loop tile(*) auto /* { dg-warning "insufficient partitioning" } */
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81 for (int ix = 0; ix < 10; ix++)
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82 {
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83 #pragma acc loop worker
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84 for (int jx = 0; jx < 10; jx++)
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85 ;
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86 }
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87
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88 #pragma acc loop worker /* { dg-message "containing loop" } */
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89 for (int jx = 0; jx < 10; jx++)
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90 {
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91 #pragma acc loop tile(*) gang vector /* { dg-error "incorrectly nested" } */
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92 for (int ix = 0; ix < 10; ix++)
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93 {
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94 }
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95
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96 #pragma acc loop tile(*) vector /* { dg-warning "insufficient partitioning" } */
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97 for (int ix = 0; ix < 10; ix++)
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98 {
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99 }
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100
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101 #pragma acc loop tile(*) /* { dg-warning "insufficient partitioning" } */
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102 for (int ix = 0; ix < 10; ix++)
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103 {
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104 }
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105 }
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106 }
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107 }
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