X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fana%2Firscc.c;h=d0b684b3172e98d716b60a970c455ec0644616f0;hb=427f3beeb5d575e58b41c156f352e9dea708132a;hp=1e80ba1f301402c63a4aff8ce9487b706ad48f28;hpb=9b716841c3b0865b86af8d3890b3914060c37ed0;p=libfirm diff --git a/ir/ana/irscc.c b/ir/ana/irscc.c index 1e80ba1f3..d0b684b31 100644 --- a/ir/ana/irscc.c +++ b/ir/ana/irscc.c @@ -1,5 +1,5 @@ /* - * Copyrigth (C) 1995-2007 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -219,8 +219,6 @@ static INLINE void free_stack(void) { static INLINE void push (ir_node *n) { - /*DDMN(n);*/ - if (tos == ARR_LEN (stack)) { int nlen = ARR_LEN (stack) * 2; ARR_RESIZE (ir_node *, stack, nlen); @@ -255,8 +253,6 @@ pop_scc_to_loop (ir_node *n) do { m = pop(); - //printf(" dfn: %d, upl %d upl-new %d ", get_irn_dfn(m), get_irn_uplink(m), loop_node_cnt+1); DDMN(m); - loop_node_cnt++; set_irn_dfn(m, loop_node_cnt); add_loop_node(current_loop, m); @@ -431,8 +427,7 @@ ir_node *get_loop_node (ir_loop *loop, int pos) { if(node_nr == pos) return(loop -> children[child_nr].node); } - DDML(loop); - printf("pos: %d\n", pos); + assert(0 && "no child at pos found"); return NULL; } @@ -492,17 +487,11 @@ int get_loop_loop_nr(const ir_loop *loop) { if libfirm_debug is set. */ void set_loop_link (ir_loop *loop, void *link) { assert(loop && loop->kind == k_ir_loop); -#ifdef DEBUG_libfirm loop->link = link; -#endif } void *get_loop_link (const ir_loop *loop) { assert(loop && loop->kind == k_ir_loop); -#ifdef DEBUG_libfirm return loop->link; -#else - return NULL; -#endif } int (is_ir_loop)(const void *thing) { @@ -528,6 +517,7 @@ ir_loop *(get_irg_loop)(ir_graph *irg) { static INLINE void init_node (ir_node *n, void *env) { + (void) env; set_irn_link (n, new_scc_info()); clear_backedges(n); } @@ -548,6 +538,7 @@ init_scc (ir_graph *irg) { */ } +#ifdef INTERPROCEDURAL_VIEW static INLINE void init_ip_scc (void) { init_scc_common(); @@ -557,6 +548,7 @@ init_ip_scc (void) { cg_walk (link_to_reg_end, NULL, NULL); #endif } +#endif /* Condition for breaking the recursion. */ static int is_outermost_Start(ir_node *n) { @@ -621,26 +613,6 @@ get_start_index(ir_node *n) { #endif } - -#if 0 -static void test(ir_node *pred, ir_node *root, ir_node *this) { - int i; - if (get_irn_uplink(pred) >= get_irn_uplink(root)) return; - - printf("this: %d ", get_irn_uplink(this)); DDMN(this); - printf("pred: %d ", get_irn_uplink(pred)); DDMN(pred); - printf("root: %d ", get_irn_uplink(root)); DDMN(root); - - printf("tos: %d\n", tos); - - for (i = tos; i >= 0; i--) { - ir_node *n = stack[i]; - if (!n) continue; - printf(" uplink: %d, pos: %d ", get_irn_uplink(n), i); DDMN(n); - } -} -#endif - /* Test for legal loop header: Block, Phi, ... */ static INLINE int is_possible_loop_head(ir_node *n) { ir_op *op = get_irn_op(n); @@ -673,7 +645,6 @@ is_head (ir_node *n, ir_node *root) some_outof_loop = 1; } else { if(get_irn_uplink(pred) < get_irn_uplink(root)) { - DDMN(n); DDMN(pred); DDMN(root); assert(get_irn_uplink(pred) >= get_irn_uplink(root)); } some_in_loop = 1; @@ -709,7 +680,6 @@ is_endless_head (ir_node *n, ir_node *root) some_outof_loop = 1; //printf(" some out of loop "); } else { if(get_irn_uplink(pred) < get_irn_uplink(root)) { - DDMN(pred); DDMN(root); assert(get_irn_uplink(pred) >= get_irn_uplink(root)); } some_in_loop = 1; @@ -863,7 +833,6 @@ int search_endproj_in_stack(ir_node *start_block) assert(is_Block(start_block)); for(i = tos - 1; i >= 0; --i) { - DDMN(stack[i]); if(get_irn_op(stack[i]) == op_Proj && get_irn_mode(stack[i]) == mode_X && get_irn_op(get_irn_n(stack[i], 0)) == op_EndReg) { @@ -875,7 +844,6 @@ int search_endproj_in_stack(ir_node *start_block) { ir_node *begin_projx = get_Block_cfgpred(get_irg_start_block(get_irn_irg(end_projx)), get_Proj_proj(end_projx)); - DDMN(begin_projx); if(get_irn_n(start_block, j) == begin_projx) { printf("FOUND IT!!!!!!!!!!!!!!!!!!\n"); @@ -898,9 +866,6 @@ void link_to_reg_end (ir_node *n, void *env) { ir_node *end_projx = n; ir_node *begin_projx = get_Block_cfgpred(get_irg_start_block(get_irn_irg(end_projx)), get_Proj_proj(end_projx)); - printf("Linked the following ProjxNodes:\n"); - DDMN(begin_projx); - DDMN(end_projx); set_projx_link(begin_projx, end_projx); } } @@ -1170,6 +1135,7 @@ int construct_backedges(ir_graph *irg) { } +#ifdef INTERPROCEDURAL_VIEW int construct_ip_backedges (void) { ir_graph *rem = current_ir_graph; int rem_ipv = get_interprocedural_view(); @@ -1307,9 +1273,11 @@ void my_construct_ip_backedges (void) { current_ir_graph = rem; set_interprocedural_view(rem_ipv); } +#endif static void reset_backedges(ir_node *n) { if (is_possible_loop_head(n)) { +#ifdef INTERPROCEDURAL_VIEW int rem = get_interprocedural_view(); set_interprocedural_view(1); @@ -1317,6 +1285,9 @@ static void reset_backedges(ir_node *n) { set_interprocedural_view(1); clear_backedges(n); set_interprocedural_view(rem); +#else + clear_backedges(n); +#endif } } @@ -1334,6 +1305,7 @@ static void loop_reset_backedges(ir_loop *l) { */ static void loop_reset_node(ir_node *n, void *env) { + (void) env; set_irn_loop(n, NULL); reset_backedges(n); } @@ -1356,12 +1328,16 @@ void free_loop_information(ir_graph *irg) { void free_all_loop_information (void) { int i; +#ifdef INTERPROCEDURAL_VIEW int rem = get_interprocedural_view(); set_interprocedural_view(1); /* To visit all filter nodes */ +#endif for (i = 0; i < get_irp_n_irgs(); i++) { free_loop_information(get_irp_irg(i)); } +#ifdef INTERPROCEDURAL_VIEW set_interprocedural_view(rem); +#endif } @@ -1377,7 +1353,6 @@ static int test_loop_node(ir_loop *l) { assert(l && l->kind == k_ir_loop); if (get_loop_n_elements(l) == 0) { - printf(" Loop completely empty! "); DDML(l); found_problem = 1; dump_loop(l, "-ha"); } @@ -1385,24 +1360,18 @@ static int test_loop_node(ir_loop *l) { le = get_loop_element(l, 0); if (*(le.kind) != k_ir_node) { assert(le.kind && *(le.kind) == k_ir_loop); - printf(" First loop element is not a node! "); DDML(l); - printf(" "); DDML(le.son); found_problem = 1; dump_loop(l, "-ha"); } if ((*(le.kind) == k_ir_node) && !is_possible_loop_head(le.node)) { - printf(" Wrong node as head! "); DDML(l); - printf(" "); DDMN(le.node); found_problem = 1; dump_loop(l, "-ha"); } if ((get_loop_depth(l) != 0) && (*(le.kind) == k_ir_node) && !has_backedges(le.node)) { - printf(" Loop head has no backedges! "); DDML(l); - printf(" "); DDMN(le.node); found_problem = 1; dump_loop(l, "-ha"); } @@ -1418,7 +1387,6 @@ static int test_loop_node(ir_loop *l) { } if (has_node == 0) { - printf(" Loop has no firm node! "); DDML(l); found_problem = 1; dump_loop(l, "-ha"); } @@ -1432,7 +1400,6 @@ static int test_loop_node(ir_loop *l) { */ void find_strange_loop_nodes(ir_loop *l) { int found_problem = 0; - printf("\nTesting loop "); DDML(l); found_problem = test_loop_node(l); printf("Finished Test\n\n"); if (found_problem) exit(0);