#include "iredges_t.h"
#include "irgwalk.h"
#include "irprintf.h"
-#include "irpass.h"
+#include "irpass_t.h"
+#include "tv.h"
+#include "vrp.h"
DEBUG_ONLY(static firm_dbg_module_t *dbg);
static bool is_optimizable_node(const ir_node *node)
{
switch (get_irn_opcode(node)) {
- case iro_Add:
- case iro_And:
- case iro_Eor:
- case iro_Minus:
- case iro_Mul:
- case iro_Not:
- case iro_Or:
- case iro_Phi:
- case iro_Shl:
- case iro_Sub:
- return 1;
-
- default: return 0;
+ case iro_Add:
+ case iro_And:
+ case iro_Eor:
+ case iro_Minus:
+ case iro_Mul:
+ case iro_Not:
+ case iro_Or:
+ case iro_Phi:
+ case iro_Shl:
+ case iro_Sub:
+ return true;
+ default:
+ return false;
}
}
}
if (is_Conv(node)) {
+ ir_node *pred = get_Conv_op(node);
+ ir_mode *pred_mode = get_irn_mode(pred);
+
+ if (!values_in_mode(dest_mode, pred_mode)) {
+ return 1;
+ }
return get_conv_costs(get_Conv_op(node), dest_mode) - 1;
}
}
if (is_Conv(node)) {
+ ir_node *pred = get_Conv_op(node);
+ ir_mode *pred_mode = get_irn_mode(pred);
+
+ if (!values_in_mode(dest_mode, pred_mode)) {
+ return place_conv(node, dest_mode);
+ }
return conv_transform(get_Conv_op(node), dest_mode);
}
ir_node *right = get_Cmp_right(node);
ir_node *conv = NULL;
- if(is_downconv
+ if (is_downconv
}
#endif
-static bool changed;
-
static void conv_opt_walker(ir_node *node, void *data)
{
ir_node *transformed;
ir_mode *pred_mode;
ir_mode *mode;
int costs;
- (void) data;
+ bool *changed = data;
#if 0
- if(is_Cmp(node)) {
+ if (is_Cmp(node)) {
try_optimize_cmp(node);
return;
}
transformed = conv_transform(pred, mode);
if (node != transformed) {
+ vrp_attr *vrp;
+
exchange(node, transformed);
- changed = true;
+ vrp = vrp_get_info(transformed);
+ if (vrp && vrp->valid) {
+ vrp->range_type = VRP_VARYING;
+ vrp->bits_set = tarval_convert_to(vrp->bits_set, mode);
+ vrp->bits_not_set = tarval_convert_to(vrp->bits_not_set, mode);
+ }
+
+ *changed = true;
}
}
int conv_opt(ir_graph *irg)
{
- bool invalidate = 0;
+ bool changed;
+ bool invalidate = false;
FIRM_DBG_REGISTER(dbg, "firm.opt.conv");
DB((dbg, LEVEL_1, "===> Performing conversion optimization on %+F\n", irg));
edges_assure(irg);
do {
changed = false;
- irg_walk_graph(irg, NULL, conv_opt_walker, NULL);
+ irg_walk_graph(irg, NULL, conv_opt_walker, &changed);
local_optimize_graph(irg);
invalidate |= changed;
} while (changed);
/* Creates an ir_graph pass for conv_opt. */
ir_graph_pass_t *conv_opt_pass(const char *name)
{
- return def_graph_pass_ret(name ? name : "conv_opt", conv_opt);
+ ir_graph_pass_t *path = def_graph_pass_ret(name ? name : "conv_opt", conv_opt);
+
+ /* safe to run parallel on all irgs */
+ ir_graph_pass_set_parallel(path, 1);
+
+ return path;
}