| 56 | } |
| 57 | |
| 58 | bool TransformationAddFunction::IsApplicable( |
| 59 | opt::IRContext* ir_context, |
| 60 | const TransformationContext& transformation_context) const { |
| 61 | // This transformation may use a lot of ids, all of which need to be fresh |
| 62 | // and distinct. This set tracks them. |
| 63 | std::set<uint32_t> ids_used_by_this_transformation; |
| 64 | |
| 65 | // Ensure that all result ids in the new function are fresh and distinct. |
| 66 | for (auto& instruction : message_.instruction()) { |
| 67 | if (instruction.result_id()) { |
| 68 | if (!CheckIdIsFreshAndNotUsedByThisTransformation( |
| 69 | instruction.result_id(), ir_context, |
| 70 | &ids_used_by_this_transformation)) { |
| 71 | return false; |
| 72 | } |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | if (message_.is_livesafe()) { |
| 77 | // Ensure that all ids provided for making the function livesafe are fresh |
| 78 | // and distinct. |
| 79 | if (!CheckIdIsFreshAndNotUsedByThisTransformation( |
| 80 | message_.loop_limiter_variable_id(), ir_context, |
| 81 | &ids_used_by_this_transformation)) { |
| 82 | return false; |
| 83 | } |
| 84 | for (auto& loop_limiter_info : message_.loop_limiter_info()) { |
| 85 | if (!CheckIdIsFreshAndNotUsedByThisTransformation( |
| 86 | loop_limiter_info.load_id(), ir_context, |
| 87 | &ids_used_by_this_transformation)) { |
| 88 | return false; |
| 89 | } |
| 90 | if (!CheckIdIsFreshAndNotUsedByThisTransformation( |
| 91 | loop_limiter_info.increment_id(), ir_context, |
| 92 | &ids_used_by_this_transformation)) { |
| 93 | return false; |
| 94 | } |
| 95 | if (!CheckIdIsFreshAndNotUsedByThisTransformation( |
| 96 | loop_limiter_info.compare_id(), ir_context, |
| 97 | &ids_used_by_this_transformation)) { |
| 98 | return false; |
| 99 | } |
| 100 | if (!CheckIdIsFreshAndNotUsedByThisTransformation( |
| 101 | loop_limiter_info.logical_op_id(), ir_context, |
| 102 | &ids_used_by_this_transformation)) { |
| 103 | return false; |
| 104 | } |
| 105 | } |
| 106 | for (auto& access_chain_clamping_info : |
| 107 | message_.access_chain_clamping_info()) { |
| 108 | for (auto& pair : access_chain_clamping_info.compare_and_select_ids()) { |
| 109 | if (!CheckIdIsFreshAndNotUsedByThisTransformation( |
| 110 | pair.first(), ir_context, &ids_used_by_this_transformation)) { |
| 111 | return false; |
| 112 | } |
| 113 | if (!CheckIdIsFreshAndNotUsedByThisTransformation( |
| 114 | pair.second(), ir_context, &ids_used_by_this_transformation)) { |
| 115 | return false; |
nothing calls this directly
no test coverage detected