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Implement structures and arrays in ir_dereference::is_lvalue

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This commit is contained in:
Ian Romanick 2010-04-21 11:54:02 -07:00
parent 73986a7a26
commit ae000fcb2e
1 changed files with 7 additions and 8 deletions
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15
ir.cpp
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@ -260,22 +260,21 @@ ir_dereference::is_lvalue()
if (var == NULL)
return false;
ir_variable *const as_var = var->as_variable();
if (mode == ir_reference_variable) {
ir_variable *const as_var = var->as_variable();
if (as_var == NULL)
return false;
if (as_var->type->is_array() && !as_var->array_lvalue)
return false;
return !as_var->read_only;
} else if (mode == ir_reference_array) {
/* FINISHME: Walk up the dereference chain and figure out if
* FINISHME: the variable is read-only.
*/
}
return true;
if (as_var != NULL)
return !as_var->read_only;
/* Walk up the dereference chain and figure out if the variable is read-only.
*/
return this->var->as_rvalue()->is_lvalue();
}
ir_swizzle::ir_swizzle(ir_rvalue *val, unsigned x, unsigned y, unsigned z,