diff options
Diffstat (limited to 'ssa.c')
| -rw-r--r-- | ssa.c | 52 |
1 files changed, 0 insertions, 52 deletions
@@ -1459,15 +1459,6 @@ void calc_dominant_frontier() { } for (i = 1; i < bcnt; i++) dtree_add_edge(blks[ord[dom[vis[i]]]], blks[i]); - /* - for (i = 0; i < bcnt; i++) - { - CBList_t p = df[i]; - printf("%d: ", i); - for (; p; p = p->next) - printf("%d ", p->cblk->id); puts(""); - } - */ } void insert_phi(CVList_t vars) { @@ -1731,44 +1722,9 @@ void add_range(COpr_t opr, CBlock_t blk, int end) { begin = blk->first; add_range_(opr, begin, end); } -/* -int low[MAX_BLOCK], dfn[MAX_BLOCK], dcnt; -int loop_tail[MAX_BLOCK]; -*/ - -/* -void find_loop_tail(CBlock_t u) { - CEdge *e; - low[u->id] = bcnt; - dfn[u->id] = dcnt++; - for (e = cfg.head[u->id]; e; e = e->next) - { - CBlock_t v = e->to; - if (dfn[v->id] == -1) - { - find_loop_tail(v); - if (low[v->id] < dfn[u->id] && low[v->id] < low[u->id]) - { - low[u->id] = low[v->id]; - loop_tail[u->id] = loop_tail[v->id]; - } - } - else if (dfn[v->id] < dfn[u->id] && dfn[v->id] < low[u->id]) - { - low[u->id] = dfn[v->id]; - loop_tail[u->id] = u->id; - } - } -} -*/ void build_intervals() { int i; - /* - dcnt = 0; - memset(dfn, -1, sizeof dfn); - find_loop_tail(entry); - */ for (i = 0; i < bcnt; i++) liveset[i] = cpset_create(); for (i = 0; i < bcnt; i++) @@ -1861,15 +1817,7 @@ void build_intervals() { COList_t p; for (p = live[id]; p; p = p->next) if (cpset_belongs(curlive, (long)p->opr)) - { - /* - int j; - for (j = loop_tail[id]; j != id; j = par[j]) - add_range_(p->opr, blks[j]->first, blks[j]->last + 1); - add_range_(p->opr, b->first, b->last + 1); - */ add_range_(p->opr, b->first, blks[loop_tail[id]]->last + 1); - } } } for (i = 0; i < bcnt; i++) |