X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fana%2Firconsconfirm.c;h=fb5174cc6245305861549a250fbbe730e2295c00;hb=99f23ed8dfa68ab6d96a4080e1d83fc8d4d68dd2;hp=9d2d50e905bf08132d2b55f5a25f531b9df7f4c7;hpb=ce6161a7e42a48f7422b7babcc64d8ace18e2687;p=libfirm diff --git a/ir/ana/irconsconfirm.c b/ir/ana/irconsconfirm.c index 9d2d50e90..fb5174cc6 100644 --- a/ir/ana/irconsconfirm.c +++ b/ir/ana/irconsconfirm.c @@ -57,7 +57,7 @@ typedef struct env_t { DEBUG_ONLY(static firm_dbg_module_t *dbg;) /** - * Return the effective use block of a node and it's predecessor on + * Return the effective use block of a node and its predecessor on * position pos. * * @param node the node @@ -245,10 +245,10 @@ static void handle_modeb(ir_node *block, ir_node *selector, pn_Cond pnc, env_t * * * @param block the block which is entered by the branch * @param cmp the Cmp node expressing the branch condition - * @param pnc the Compare relation for taking this branch + * @param rel the Compare relation for taking this branch * @param env statistical environment */ -static void handle_if(ir_node *block, ir_node *cmp, pn_Cmp pnc, env_t *env) +static void handle_if(ir_node *block, ir_node *cmp, ir_relation rel, env_t *env) { ir_node *left = get_Cmp_left(cmp); ir_node *right = get_Cmp_right(cmp); @@ -274,14 +274,14 @@ static void handle_if(ir_node *block, ir_node *cmp, pn_Cmp pnc, env_t *env) left = right; right = t; - pnc = get_inversed_pnc(pnc); + rel = get_inversed_relation(rel); } /* * First case: both values are identical. * replace the left one by the right (potentially const) one. */ - if (pnc == pn_Cmp_Eq) { + if (rel == ir_relation_equal) { cond_block = get_Block_cfgpred_block(block, 0); for (edge = get_irn_out_edge_first(left); edge; edge = next) { ir_node *user = get_edge_src_irn(edge); @@ -319,7 +319,7 @@ static void handle_if(ir_node *block, ir_node *cmp, pn_Cmp pnc, env_t *env) /* * The user of the user is dominated by our true/false * block. So, create a copy of user WITH the constant - * replacing it's pos'th input. + * replacing its pos'th input. * * This is always good for unop's and might be good * for binops. @@ -339,7 +339,7 @@ static void handle_if(ir_node *block, ir_node *cmp, pn_Cmp pnc, env_t *env) } } } - } else { /* not pn_Cmp_Eq cases */ + } else { /* not ir_relation_equal cases */ ir_node *c = NULL; foreach_out_edge_safe(left, edge, next) { @@ -354,7 +354,7 @@ static void handle_if(ir_node *block, ir_node *cmp, pn_Cmp pnc, env_t *env) * We can replace the input with a Confirm(left, pnc, right). */ if (! c) - c = new_r_Confirm(block, left, right, pnc); + c = new_r_Confirm(block, left, right, rel); pos = get_edge_src_pos(edge); set_irn_n(succ, pos, c); @@ -368,7 +368,7 @@ static void handle_if(ir_node *block, ir_node *cmp, pn_Cmp pnc, env_t *env) /* also construct inverse Confirms */ ir_node *rc = NULL; - pnc = get_inversed_pnc(pnc); + rel = get_inversed_relation(rel); foreach_out_edge_safe(right, edge, next) { ir_node *succ = get_edge_src_irn(edge); int pos; @@ -384,10 +384,10 @@ static void handle_if(ir_node *block, ir_node *cmp, pn_Cmp pnc, env_t *env) /* * Ok, we found a usage of right in a block * dominated by the branch block. - * We can replace the input with a Confirm(right, pnc^-1, left). + * We can replace the input with a Confirm(right, rel^-1, left). */ if (! rc) - rc = new_r_Confirm(block, right, left, pnc); + rc = new_r_Confirm(block, right, left, rel); pos = get_edge_src_pos(edge); set_irn_n(succ, pos, rc); @@ -428,29 +428,23 @@ static void insert_Confirm_in_block(ir_node *block, void *data) mode = get_irn_mode(selector); if (mode == mode_b) { - ir_node *cmp; - pn_Cmp pnc; + ir_relation rel; handle_modeb(block, selector, (pn_Cond) get_Proj_proj(proj), env); - /* this should be an IF, check this */ - if (! is_Proj(selector)) + if (! is_Cmp(selector)) return; - cmp = get_Proj_pred(selector); - if (! is_Cmp(cmp)) - return; - - pnc = (pn_Cmp) get_Proj_proj(selector); + rel = get_Cmp_relation(selector); if (get_Proj_proj(proj) != pn_Cond_true) { /* it's the false branch */ - mode = get_irn_mode(get_Cmp_left(cmp)); - pnc = get_negated_pnc(pnc, mode); + mode = get_irn_mode(get_Cmp_left(selector)); + rel = get_negated_relation(rel); } - DB((dbg, LEVEL_2, "At %+F using %+F Confirm %=\n", block, cmp, pnc)); + DB((dbg, LEVEL_2, "At %+F using %+F Confirm %=\n", block, selector, rel)); - handle_if(block, cmp, pnc, env); + handle_if(block, selector, rel, env); } else if (mode_is_int(mode)) { long proj_nr = get_Proj_proj(proj); @@ -470,7 +464,7 @@ static int is_non_null_Confirm(const ir_node *ptr) for (;;) { if (! is_Confirm(ptr)) break; - if (get_Confirm_cmp(ptr) == pn_Cmp_Lg) { + if (get_Confirm_relation(ptr) == ir_relation_less_greater) { ir_node *bound = get_Confirm_bound(ptr); if (is_Const(bound) && is_Const_null(bound)) @@ -523,7 +517,7 @@ static void insert_non_null(ir_node *ptr, ir_node *block, env_t *env) ir_mode *mode = get_irn_mode(ptr); ir_graph *irg = get_irn_irg(block); c = new_r_Const(irg, get_mode_null(mode)); - c = new_r_Confirm(block, ptr, c, pn_Cmp_Lg); + c = new_r_Confirm(block, ptr, c, ir_relation_less_greater); } set_irn_n(succ, pos, c); @@ -598,14 +592,6 @@ void construct_confirms(ir_graph *irg) irg_block_walk_graph(irg, insert_Confirm_in_block, NULL, &env); } - if (env.num_confirms | env.num_consts | env.num_eq) { - /* we have add nodes or changed DF edges */ - set_irg_outs_inconsistent(irg); - - /* the new nodes are not in the loop info */ - set_irg_loopinfo_inconsistent(irg); - } - DB((dbg, LEVEL_1, "# Confirms inserted : %u\n", env.num_confirms)); DB((dbg, LEVEL_1, "# Const replacements: %u\n", env.num_consts)); DB((dbg, LEVEL_1, "# node equalities : %u\n", env.num_eq));