| 215 | } |
| 216 | |
| 217 | bool appendSources ( const ProgramPtr & prog, Expression * expr, ExpressionSources & src, bool anyC, bool anyG ) { |
| 218 | SourceCollector srr(prog, anyC, anyG); |
| 219 | expr->visit(srr); |
| 220 | for ( auto s : srr.sources ) { |
| 221 | src.insert(s); |
| 222 | } |
| 223 | return srr.alwaysAliases; |
| 224 | } |
| 225 | |
| 226 | Variable * intersectSources ( ExpressionSources & a, ExpressionSources & b ) { |
| 227 | if ( a.size() < b.size() ) { |