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Use ir_variable::clone to copy parameters to the function body

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Several other code movements were also done.  This partitions this
function into two halves.  The first half processes the prototype
part, and the second have processes the actual function definition.
The coming patch series will parition ast_function_definition::hir
into (at least) two separate functions.
This commit is contained in:
Ian Romanick
2010-03-31 17:54:26 -07:00
parent 2d394d4877
commit e29a585989
1 changed files with 9 additions and 12 deletions
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21
ast_to_hir.cpp
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@@ -1544,32 +1544,29 @@ ast_function_definition::hir(exec_list *instructions,
}
}
parameters.move_nodes_to(& signature->parameters);
assert(state->current_function == NULL);
state->current_function = signature;
ast_function_parameters_to_hir(& this->prototype->parameters,
& signature->parameters,
state);
label = new ir_label(name);
if (signature->definition == NULL) {
signature->definition = label;
}
instructions->push_tail(label);
/* Add the function parameters to the symbol table. During this step the
* parameter declarations are also moved from the temporary "parameters" list
* to the instruction list. There are other more efficient ways to do this,
* but they involve ugly linked-list gymnastics.
/* Duplicate parameters declared in the prototype as concrete variables.
* Add these to the symbol table.
*/
state->symbols->push_scope();
foreach_iter(exec_list_iterator, iter, parameters) {
ir_variable *const var = ((ir_instruction *) iter.get())->as_variable();
foreach_iter(exec_list_iterator, iter, signature->parameters) {
ir_variable *const proto = ((ir_instruction *) iter.get())->as_variable();
assert(var != NULL);
assert(proto != NULL);
ir_variable *const var = proto->clone();
iter.remove();
instructions->push_tail(var);
/* The only way a parameter would "exist" is if two parameters have