replace assert(0 && "message") with panic("message")

also removed some assert(0) used in verifiers to stop when compiling
with assertions (you better use your debugger to stop and keep the code
clean)

ir/ana/ircfscc.c

@@ -446,7 +446,7 @@ static ir_node *find_tail(ir_node *n)
 				}
 				if (m == n) break;   /* It's not an unreachable loop, either. */
 			}
-			//assert(0 && "no head found on stack");
+			//panic("no head found on stack");
 		}
 	}
 	assert(res_index > -2);

ir/ana/irscc.c

@@ -518,7 +518,7 @@ static ir_node *find_tail(ir_node *n)
 				if (m == n)
 					break;
 			}
-			//assert(0 && "no head found on stack");
+			//panic("no head found on stack");
 		}
 
 	}

ir/be/becopyopt.c

@@ -484,7 +484,7 @@ static void co_collect_units(ir_node *irn, void *env)
 			}
 		}
 	} else {
-		assert(0 && "This is not an optimizable node!");
+		panic("This is not an optimizable node!");
 	}
 
 	/* Insert the new unit at a position according to its costs */

ir/be/beverify.c

@@ -93,7 +93,6 @@ static void verify_liveness_walker(ir_node *block, void *data)
 				irn, block, get_irg_name(env->irg), pressure, env->registers_available);
 			print_living_values(stderr, &live_nodes);
 			env->problem_found = true;
-			assert(0);
 		}
 	}
 	ir_nodeset_destroy(&live_nodes);

ir/ir/iredges.c

@@ -182,7 +182,6 @@ static inline void verify_list_head(ir_node *irn, ir_edge_kind_t kind)
 			fprintf(stderr, "- at list entry %d\n", num);
 			if (edge->src)
 				ir_fprintf(stderr, "- edge(%ld) %+F(%d)\n", edge_get_id(edge), edge->src, edge->pos);
-			assert(0 && "No source node found");
 			break;
 		}
 		num++;

ir/ir/irverify.c

@@ -1847,7 +1847,6 @@ static void check_bads(ir_node *node, void *env)
 					}
 					if (get_node_verification_mode() == FIRM_VERIFICATION_ON) {
 						dump_ir_graph(irg, "assert");
-						assert(0 && "Bad CF detected");
 					}
 				}
 			}
@@ -1864,7 +1863,6 @@ static void check_bads(ir_node *node, void *env)
 				}
 				if (get_node_verification_mode() == FIRM_VERIFICATION_ON) {
 					dump_ir_graph(irg, "assert");
-					assert(0 && "Bad CF detected");
 				}
 			}
 		}
@@ -1878,7 +1876,6 @@ static void check_bads(ir_node *node, void *env)
 				}
 				if (get_node_verification_mode() == FIRM_VERIFICATION_ON) {
 					dump_ir_graph(irg, "assert");
-					assert(0 && "Tuple detected");
 				}
 			}
 		}
@@ -1899,7 +1896,6 @@ static void check_bads(ir_node *node, void *env)
 						}
 						if (get_node_verification_mode() == FIRM_VERIFICATION_ON) {
 							dump_ir_graph(irg, "assert");
-							assert(0 && "Bad CF detected");
 						}
 					}
 				}
@@ -1913,7 +1909,6 @@ static void check_bads(ir_node *node, void *env)
 					}
 					if (get_node_verification_mode() == FIRM_VERIFICATION_ON) {
 						dump_ir_graph(irg, "assert");
-						assert(0 && "Bad NON-CF detected");
 					}
 				}
 			}

ir/lower/lower_dw.c

@@ -388,7 +388,7 @@ static void lower_Load(ir_node *node, ir_mode *mode)
 			break;
 		}
 		default:
-			assert(0 && "unexpected Proj number");
+			panic("unexpected Proj number");
 		}
 		/* mark this proj: we have handled it already, otherwise we might fall
 		 * into out new nodes. */
@@ -453,7 +453,7 @@ static void lower_Store(ir_node *node, ir_mode *mode)
 			set_Proj_pred(proj, low);
 			break;
 		default:
-			assert(0 && "unexpected Proj number");
+			panic("unexpected Proj number");
 		}
 		/* mark this proj: we have handled it already, otherwise we might fall into
 		 * out new nodes. */
@@ -561,7 +561,7 @@ static void lower_Div(ir_node *node, ir_mode *mode)
 			}
 			break;
 		default:
-			assert(0 && "unexpected Proj number");
+			panic("unexpected Proj number");
 		}
 		/* mark this proj: we have handled it already, otherwise we might fall into
 		 * out new nodes. */
@@ -633,7 +633,7 @@ static void lower_Mod(ir_node *node, ir_mode *mode)
 			}
 			break;
 		default:
-			assert(0 && "unexpected Proj number");
+			panic("unexpected Proj number");
 		}
 		/* mark this proj: we have handled it already, otherwise we might fall
 		 * into out new nodes. */

ir/lower/lower_softfloat.c

@@ -200,9 +200,7 @@ static ir_type *get_softfloat_type(const ir_node *n)
 	default: break;
 	}
 
-	assert(0 && "Could not determine a suitable type");
-
-	return NULL;
+	panic("Could not determine a suitable type");
 }
 
 /**
@@ -722,7 +720,7 @@ static void lower_Div(ir_node *n)
 			exchange(proj, call_result);
 			break;
 		default:
-			assert(0 && "unexpected Proj number");
+			panic("unexpected Proj number");
 		}
 	}
 

ir/lpp/lpp.c

@@ -17,6 +17,7 @@
 #include "debug.h"
 #include "set.h"
 #include "debug.h"
+#include "error.h"
 
 #include "sp_matrix.h"
 #include "mps.h"
@@ -364,7 +365,7 @@ void lpp_check_startvals(lpp_t *lpp)
 				}
 				break;
 			default:
-				assert(0 && "unknown constraint type");
+				panic("unknown constraint type");
 		}
 next: ;
 	}

ir/lpp/lpp_cplex.c

@@ -39,7 +39,6 @@ static void chk_cpx_err(cpx_t *cpx)
 			printf("%s", cpx->buf);
 		else
 			printf("Unknown CPLEX error\n");
-		assert(0);
 	}
 }
 

ir/lpp/mps.c

@@ -10,6 +10,7 @@
 #include <stdarg.h>
 #include <assert.h>
 #include "mps.h"
+#include "error.h"
 
 /**
  * These must comply to the enum cst_t in lpp.h
@@ -48,7 +49,7 @@ static void mps_write_line(FILE *out, lpp_mps_style_t style,
 			case l_data_col2: fmt = "    %-8s  %-8s  %12g   %-8s  %12g\n"; break; /* Field 2-6 */
 			case l_data_mst:  fmt = "    %-8s            %12g\n"; break; /* Field 3-4 */
 			case l_marker:    fmt = "    M%-7d  'MARKER'                 '%s'\n"; break; /* Field 2,3,5 */
-			default: assert(0);
+			default: panic("invalid line type");
 		}
 	} else {
 		switch (line_type) {
@@ -64,7 +65,7 @@ static void mps_write_line(FILE *out, lpp_mps_style_t style,
 			case l_data_col2: fmt = " %s\t%s\t%g\t%s\t%g\n"; break;
 			case l_data_mst:  fmt = " %s\t%g\n"; break;
 			case l_marker:    fmt = " M%d\t'MARKER'\t'%s'\n"; break;
-			default: assert(0);
+			default: panic("invalid line type");
 		}
 	}
 

ir/opt/ldstopt.c

@@ -1864,7 +1864,7 @@ static void do_dfs(ir_graph *irg, loop_env *env)
 		} else if (is_Bad(pred)) {
 			/* ignore non-optimized block predecessor */
 		} else {
-			assert(0 && "Unknown EndBlock predecessor");
+			panic("Unknown EndBlock predecessor");
 		}
 	}
 

ir/tr/type.c

@@ -201,10 +201,11 @@ ir_mode *(get_type_mode)(const ir_type *tp)
 void set_type_mode(ir_type *tp, ir_mode *mode)
 {
 	const tp_op *tpop = get_type_tpop(tp);
-	if (tpop->ops.set_type_mode)
+	if (tpop->ops.set_type_mode) {
 		tpop->ops.set_type_mode(tp, mode);
-	else
-		assert(0 && "setting a mode is NOT allowed for this type");
+	} else {
+		panic("setting a mode is NOT allowed for this type");
+	}
 }
 
 long get_type_nr(const ir_type *tp)

ir/tr/typewalk.c

@@ -183,8 +183,7 @@ static void do_type_walk(type_or_ent tore,
 			/* a leave. */
 			break;
 		case tpo_uninitialized:
-			assert(0 && "Faulty type");
-			break;
+			panic("Faulty type");
 		}
 		break; /* end case k_type */