/* Transform
1) Memory references.
*/
static void
mf_xform_statements (void)
{
basic_block bb, next;
gimple_stmt_iterator i;
int saved_last_basic_block = last_basic_block;
enum gimple_rhs_class grhs_class;
bb = ENTRY_BLOCK_PTR ->next_bb;
do
{
next = bb->next_bb;
for (i = gsi_start_bb (bb); !gsi_end_p (i); gsi_next (&i))
{
gimple s = gsi_stmt (i);
/* Only a few GIMPLE statements can reference memory. */
switch (gimple_code (s))
{
case GIMPLE_ASSIGN:
mf_xform_derefs_1 (&i, gimple_assign_lhs_ptr (s),
gimple_location (s), integer_one_node);
mf_xform_derefs_1 (&i, gimple_assign_rhs1_ptr (s),
gimple_location (s), integer_zero_node);
grhs_class = get_gimple_rhs_class (gimple_assign_rhs_code (s));
if (grhs_class == GIMPLE_BINARY_RHS)
mf_xform_derefs_1 (&i, gimple_assign_rhs2_ptr (s),
gimple_location (s), integer_zero_node);
break;
case GIMPLE_RETURN:
if (gimple_return_retval (s) != NULL_TREE)
{
mf_xform_derefs_1 (&i, gimple_return_retval_ptr (s),
gimple_location (s),
integer_zero_node);
}
break;
default:
;
}
}
bb = next;
}
while (bb && bb->index <= saved_last_basic_block);
}
static void
mf_xform_derefs (void)
{
basic_block bb, next;
block_stmt_iterator i;
int saved_last_basic_block = last_basic_block;
bb = ENTRY_BLOCK_PTR ->next_bb;
do
{
next = bb->next_bb;
for (i = bsi_start (bb); !bsi_end_p (i); bsi_next (&i))
{
tree s = bsi_stmt (i);
/* Only a few GIMPLE statements can reference memory. */
switch (TREE_CODE (s))
{
case MODIFY_EXPR:
mf_xform_derefs_1 (&i, &TREE_OPERAND (s, 0), EXPR_LOCUS (s),
integer_one_node);
mf_xform_derefs_1 (&i, &TREE_OPERAND (s, 1), EXPR_LOCUS (s),
integer_zero_node);
break;
case RETURN_EXPR:
if (TREE_OPERAND (s, 0) != NULL_TREE)
{
if (TREE_CODE (TREE_OPERAND (s, 0)) == MODIFY_EXPR)
mf_xform_derefs_1 (&i, &TREE_OPERAND (TREE_OPERAND (s, 0), 1),
EXPR_LOCUS (s), integer_zero_node);
else
mf_xform_derefs_1 (&i, &TREE_OPERAND (s, 0), EXPR_LOCUS (s),
integer_zero_node);
}
break;
default:
;
}
}
bb = next;
}
while (bb && bb->index <= saved_last_basic_block);
}
/* Transform
1) Memory references.
2) BUILTIN_ALLOCA calls.
*/
static void
mf_xform_statements (void)
{
basic_block bb, next;
gimple_stmt_iterator i;
int saved_last_basic_block = last_basic_block;
enum gimple_rhs_class grhs_class;
unsigned argc, j;
bb = ENTRY_BLOCK_PTR ->next_bb;
do
{
next = bb->next_bb;
for (i = gsi_start_bb (bb); !gsi_end_p (i); gsi_next (&i))
{
gimple s = gsi_stmt (i);
/* Only a few GIMPLE statements can reference memory. */
switch (gimple_code (s))
{
case GIMPLE_ASSIGN:
DEBUGLOG("\n\n******** Gimlpe Assign LHS ***********\n");
mf_xform_derefs_1 (&i, gimple_assign_lhs_ptr (s),
gimple_location (s), integer_one_node);
DEBUGLOG("******** Gimlpe Assign RHS ***********\n");
mf_xform_derefs_1 (&i, gimple_assign_rhs1_ptr (s),
gimple_location (s), integer_zero_node);
grhs_class = get_gimple_rhs_class (gimple_assign_rhs_code (s));
if (grhs_class == GIMPLE_BINARY_RHS)
mf_xform_derefs_1 (&i, gimple_assign_rhs2_ptr (s),
gimple_location (s), integer_zero_node);
break;
case GIMPLE_RETURN:
if (gimple_return_retval (s) != NULL_TREE)
{
mf_xform_derefs_1 (&i, gimple_return_retval_ptr (s),
gimple_location (s),
integer_zero_node);
}
break;
case GIMPLE_CALL:
{
tree fndecl = gimple_call_fndecl (s);
//if (fndecl && (DECL_FUNCTION_CODE (fndecl) == BUILT_IN_ALLOCA))
// gimple_call_set_cannot_inline (s, true);
argc = gimple_call_num_args(s);
for (j = 0; j < argc; j++){
mf_xform_derefs_1 (&i, gimple_call_arg_ptr (s, j),
gimple_location (s), integer_zero_node);
}
}
break;
default:
;
}
}
bb = next;
}
while (bb && bb->index <= saved_last_basic_block);
}
