* @author Michael Beck
* @version $Id$
*/
-
#include "config.h"
+#include <stdbool.h>
+
#include "lowering.h"
#include "irop_t.h"
#include "irprog_t.h"
#include "irvrfy.h"
#include "pmap.h"
#include "array_t.h"
+#include "irpass_t.h"
#include "iropt_dbg.h"
#include "error.h"
return nr_of_intrinsics;
} /* lower_intrinsics */
+struct pass_t {
+ ir_prog_pass_t pass;
+
+ int part_block_used;
+ int length;
+ i_record list[1];
+};
+
+/**
+ * Wrapper for running lower_intrinsics() as an ir_prog pass.
+ */
+static int pass_wrapper(ir_prog *irp, void *context)
+{
+ struct pass_t *pass = context;
+ (void) irp; /* TODO: set current irp, or remove parameter */
+ lower_intrinsics(pass->list, pass->length, pass->part_block_used);
+ /* probably this pass should not run again */
+ return 0;
+}
+
+/**
+ * Creates an ir_prog pass for lower_intrinsics.
+ *
+ * @param name the name of this pass or NULL
+ * @param list an array of intrinsic map records
+ * @param length the length of the array
+ * @param part_block_used set to true if part_block() must be using during lowering
+ */
+ir_prog_pass_t *lower_intrinsics_pass(
+ const char *name,
+ i_record *list, int length, int part_block_used)
+{
+ struct pass_t *pass = xmalloc(sizeof(*pass) + (length-1) * sizeof(pass->list[0]));
+
+ memcpy(pass->list, list, sizeof(list[0]) * length);
+ pass->length = length;
+ pass->part_block_used = part_block_used;
+
+ return def_prog_pass_constructor(
+ &pass->pass, name ? name : "lower_intrinsics", pass_wrapper);
+} /* lower_intrinsics_pass*/
+
/**
* Helper function, replace the call by the given node.
*
/* Beware: do we need here a protection against CSE? Better we do it. */
int old_cse = get_opt_cse();
set_opt_cse(0);
- reg_jmp = new_r_Jmp(current_ir_graph, block);
+ reg_jmp = new_r_Jmp(block);
set_opt_cse(old_cse);
exc_jmp = new_Bad();
}
- irn = new_r_Tuple(current_ir_graph, block, 1, &irn);
+ irn = new_r_Tuple(block, 1, &irn);
turn_into_tuple(call, pn_Call_max);
- set_Tuple_pred(call, pn_Call_M_regular, mem);
+ set_Tuple_pred(call, pn_Call_M, mem);
set_Tuple_pred(call, pn_Call_X_regular, reg_jmp);
set_Tuple_pred(call, pn_Call_X_except, exc_jmp);
set_Tuple_pred(call, pn_Call_T_result, irn);
- set_Tuple_pred(call, pn_Call_M_except, mem);
set_Tuple_pred(call, pn_Call_P_value_res_base, new_Bad());
} /* replace_call */
dbg_info *dbg = get_irn_dbg_info(call);
(void) ctx;
- irn = new_rd_Abs(dbg, current_ir_graph, block, op, get_irn_mode(op));
+ irn = new_rd_Abs(dbg, block, op, get_irn_mode(op));
DBG_OPT_ALGSIM0(call, irn, FS_OPT_RTS_ABS);
replace_call(irn, call, mem, NULL, NULL);
return 1;
} /* i_mapper_abs */
+/* A mapper for the integer bswap. */
+int i_mapper_bswap(ir_node *call, void *ctx) {
+ ir_node *mem = get_Call_mem(call);
+ ir_node *block = get_nodes_block(call);
+ ir_node *op = get_Call_param(call, 0);
+ ir_type *tp = get_Call_type(call);
+ dbg_info *dbg = get_irn_dbg_info(call);
+ ir_node *irn;
+ (void) ctx;
+
+ irn = new_rd_Builtin(dbg, block, get_irg_no_mem(current_ir_graph), 1, &op, ir_bk_bswap, tp);
+ set_irn_pinned(irn, op_pin_state_floats);
+ DBG_OPT_ALGSIM0(call, irn, FS_OPT_RTS_ABS);
+ irn = new_r_Proj(block, irn, get_irn_mode(op), pn_Builtin_1_result);
+ replace_call(irn, call, mem, NULL, NULL);
+ return 1;
+} /* i_mapper_bswap */
+
/* A mapper for the alloca() function. */
int i_mapper_alloca(ir_node *call, void *ctx) {
ir_node *mem = get_Call_mem(call);
if (mode == NULL) {
panic("Cannot find unsigned mode for %M", mode);
}
- op = new_rd_Conv(dbg, current_ir_graph, block, op, mode);
+ op = new_rd_Conv(dbg, block, op, mode);
}
- irn = new_rd_Alloc(dbg, current_ir_graph, block, mem, op, firm_unknown_type, stack_alloc);
- mem = new_rd_Proj(dbg, current_ir_graph, block, irn, mode_M, pn_Alloc_M);
- no_exc = new_rd_Proj(dbg, current_ir_graph, block, irn, mode_X, pn_Alloc_X_regular);
- exc = new_rd_Proj(dbg, current_ir_graph, block, irn, mode_X, pn_Alloc_X_except);
- irn = new_rd_Proj(dbg, current_ir_graph, block, irn, get_modeP_data(), pn_Alloc_res);
+ irn = new_rd_Alloc(dbg, block, mem, op, firm_unknown_type, stack_alloc);
+ mem = new_rd_Proj(dbg, block, irn, mode_M, pn_Alloc_M);
+ no_exc = new_rd_Proj(dbg, block, irn, mode_X, pn_Alloc_X_regular);
+ exc = new_rd_Proj(dbg, block, irn, mode_X, pn_Alloc_X_except);
+ irn = new_rd_Proj(dbg, block, irn, get_modeP_data(), pn_Alloc_res);
DBG_OPT_ALGSIM0(call, irn, FS_OPT_RTS_ALLOCA);
replace_call(irn, call, mem, no_exc, exc);
ir_node *quot;
irn = new_Const(get_mode_one(mode));
- quot = new_rd_Quot(dbg, current_ir_graph, block, mem, irn, left, mode, op_pin_state_pinned);
- mem = new_r_Proj(current_ir_graph, block, quot, mode_M, pn_Quot_M);
- irn = new_r_Proj(current_ir_graph, block, quot, mode, pn_Quot_res);
- reg_jmp = new_r_Proj(current_ir_graph, block, quot, mode_X, pn_Quot_X_regular);
- exc_jmp = new_r_Proj(current_ir_graph, block, quot, mode_X, pn_Quot_X_except);
+ quot = new_rd_Quot(dbg, block, mem, irn, left, mode, op_pin_state_pinned);
+ mem = new_r_Proj(block, quot, mode_M, pn_Quot_M);
+ irn = new_r_Proj(block, quot, mode, pn_Quot_res);
+ reg_jmp = new_r_Proj(block, quot, mode_X, pn_Quot_X_regular);
+ exc_jmp = new_r_Proj(block, quot, mode_X, pn_Quot_X_except);
}
DBG_OPT_ALGSIM0(call, irn, FS_OPT_RTS_POW);
replace_call(irn, call, mem, reg_jmp, exc_jmp);
dbg_info *dbg = get_irn_dbg_info(val);
op = get_Minus_op(op);
- val = new_rd_Conv(dbg, current_ir_graph, block, op, mode);
+ val = new_rd_Conv(dbg, block, op, mode);
if (is_Conv(val)) {
/* still a Conv ? */
set_Conv_strict(val, 1);
return NULL;
} /* get_const_entity */
+static bool initializer_val_is_null(ir_initializer_t *init)
+{
+ tarval *tv;
+
+ if (get_initializer_kind(init) == IR_INITIALIZER_NULL)
+ return true;
+
+ if (get_initializer_kind(init) == IR_INITIALIZER_TARVAL) {
+ tv = get_initializer_tarval_value(init);
+ } else if (get_initializer_kind(init) == IR_INITIALIZER_CONST) {
+ ir_node *irn = get_initializer_const_value(init);
+ if (!is_Const(irn))
+ return false;
+ tv = get_Const_tarval(irn);
+ } else {
+ return false;
+ }
+
+ return tarval_is_null(tv);
+}
+
/**
* Calculate the value of strlen if possible.
*
static ir_node *eval_strlen(ir_entity *ent, ir_type *res_tp) {
ir_type *tp = get_entity_type(ent);
ir_mode *mode;
- int i, n, len = -1;
+ ir_initializer_t *initializer;
+ unsigned size;
+ unsigned i;
if (! is_Array_type(tp))
return NULL;
if (!mode_is_int(mode) || get_mode_size_bits(mode) != 8)
return NULL;
- n = get_compound_ent_n_values(ent);
- for (i = 0; i < n; ++i) {
- ir_node *irn = get_compound_ent_value(ent, i);
+ if (!has_entity_initializer(ent)) {
+ int len;
+ int n;
+ int i = -1;
- if (! is_Const(irn))
- return NULL;
+ n = get_compound_ent_n_values(ent);
+ for (i = 0; i < n; ++i) {
+ ir_node *irn = get_compound_ent_value(ent, i);
- if (is_Const_null(irn)) {
- /* found the length */
- len = i;
- break;
+ if (! is_Const(irn))
+ return NULL;
+
+ if (is_Const_null(irn)) {
+ /* found the length */
+ len = i;
+ break;
+ }
}
+ if (len >= 0) {
+ tarval *tv = new_tarval_from_long(len, get_type_mode(res_tp));
+ return new_Const_type(tv, res_tp);
+ }
+ return NULL;
}
- if (len >= 0) {
- tarval *tv = new_tarval_from_long(len, get_type_mode(res_tp));
- return new_Const_type(tv, res_tp);
+
+ if (!has_entity_initializer(ent))
+ return NULL;
+
+ initializer = get_entity_initializer(ent);
+ if (get_initializer_kind(initializer) != IR_INITIALIZER_COMPOUND)
+ return NULL;
+
+ size = get_initializer_compound_n_entries(initializer);
+ for (i = 0; i < size; ++i) {
+ ir_initializer_t *val = get_initializer_compound_value(initializer, i);
+ if (initializer_val_is_null(val)) {
+ tarval *tv = new_tarval_from_long(i, get_type_mode(res_tp));
+ return new_Const_type(tv, res_tp);
+ }
}
+
return NULL;
} /* eval_strlen */
* @return non-zero if ent represents the empty string
*/
static int is_empty_string(ir_entity *ent) {
- ir_type *tp = get_entity_type(ent);
- ir_mode *mode;
- int n;
- ir_node *irn;
+ ir_type *tp = get_entity_type(ent);
+ ir_mode *mode;
+ ir_node *irn;
+ ir_initializer_t *initializer;
+ ir_initializer_t *init0;
if (! is_Array_type(tp))
return 0;
if (!mode_is_int(mode) || get_mode_size_bits(mode) != 8)
return 0;
- n = get_compound_ent_n_values(ent);
- if (n < 1)
+ if (!has_entity_initializer(ent)) {
+ /* code for deprecated compound_graph_path stuff */
+ int n = get_compound_ent_n_values(ent);
+ if (n < 1)
+ return 0;
+ irn = get_compound_ent_value(ent, 0);
+
+ return is_Const(irn) && is_Const_null(irn);
+ }
+
+ initializer = get_entity_initializer(ent);
+ if (get_initializer_kind(initializer) != IR_INITIALIZER_COMPOUND)
+ return 0;
+
+ if (get_initializer_compound_n_entries(initializer) < 1)
return 0;
- irn = get_compound_ent_value(ent, 0);
- return is_Const(irn) && is_Const_null(irn);
+ init0 = get_initializer_compound_value(initializer, 0);
+ return initializer_val_is_null(init0);
} /* is_empty_string */
/* A mapper for strcmp */
mode = get_type_mode(char_tp);
/* replace the strcmp by (*x) */
- irn = new_rd_Load(dbg, current_ir_graph, block, mem, v, mode, 0);
- mem = new_r_Proj(current_ir_graph, block, irn, mode_M, pn_Load_M);
- exc = new_r_Proj(current_ir_graph, block, irn, mode_X, pn_Load_X_except);
- reg = new_r_Proj(current_ir_graph, block, irn, mode_X, pn_Load_X_regular);
- irn = new_r_Proj(current_ir_graph, block, irn, mode, pn_Load_res);
+ irn = new_rd_Load(dbg, block, mem, v, mode, 0);
+ mem = new_r_Proj(block, irn, mode_M, pn_Load_M);
+ exc = new_r_Proj(block, irn, mode_X, pn_Load_X_except);
+ reg = new_r_Proj(block, irn, mode_X, pn_Load_X_regular);
+ irn = new_r_Proj(block, irn, mode, pn_Load_res);
/* conv to the result mode */
mode = get_type_mode(res_tp);
- irn = new_rd_Conv(dbg, current_ir_graph, block, irn, mode);
+ irn = new_rd_Conv(dbg, block, irn, mode);
if (v == right) {
/* negate in the ("", s) case */
- irn = new_rd_Minus(dbg, current_ir_graph, block, irn, mode);
+ irn = new_rd_Minus(dbg, block, irn, mode);
}
}
}
ir_node *mem = get_Call_mem(call);
ir_node *blk = get_nodes_block(call);
ir_mode *mode = get_irn_mode(dst);
- ir_node *res = new_rd_Add(dbg, get_irn_irg(blk), blk, dst, len, mode);
+ ir_node *res = new_rd_Add(dbg, blk, dst, len, mode);
DBG_OPT_ALGSIM0(call, res, FS_OPT_RTS_MEMPCPY);
replace_call(res, call, mem, NULL, NULL);
/* step 1: create the call */
sym.entity_p = rt->ent;
- addr = new_r_SymConst(irg, bl, mode_P_code, sym, symconst_addr_ent);
- call = new_rd_Call(get_irn_dbg_info(node), irg, bl, mem, addr, n_param, in, mtp);
+ addr = new_r_SymConst(irg, mode_P_code, sym, symconst_addr_ent);
+ call = new_rd_Call(get_irn_dbg_info(node), bl, mem, addr, n_param, in, mtp);
set_irn_pinned(call, get_irn_pinned(node));
if (n_res > 0)
- res_proj = new_r_Proj(irg, bl, call, mode_T, pn_Call_T_result);
+ res_proj = new_r_Proj(bl, call, mode_T, pn_Call_T_result);
else
res_proj = NULL;
for (i = 0; i < n_proj; ++i)
set_Tuple_pred(node, i, new_r_Bad(irg));
if (rt->mem_proj_nr >= 0)
- set_Tuple_pred(node, rt->mem_proj_nr, new_r_Proj(irg, bl, call, mode_M, pn_Call_M_regular));
+ set_Tuple_pred(node, rt->mem_proj_nr, new_r_Proj(bl, call, mode_M, pn_Call_M));
if (!is_NoMem(mem)) {
/* Exceptions can only be handled with real memory */
if (rt->regular_proj_nr >= 0)
- set_Tuple_pred(node, rt->regular_proj_nr, new_r_Proj(irg, bl, call, mode_X, pn_Call_X_regular));
+ set_Tuple_pred(node, rt->regular_proj_nr, new_r_Proj(bl, call, mode_X, pn_Call_X_regular));
if (rt->exc_proj_nr >= 0)
- set_Tuple_pred(node, rt->exc_proj_nr, new_r_Proj(irg, bl, call, mode_X, pn_Call_X_except));
+ set_Tuple_pred(node, rt->exc_proj_nr, new_r_Proj(bl, call, mode_X, pn_Call_X_except));
if (rt->exc_mem_proj_nr >= 0)
- set_Tuple_pred(node, rt->mem_proj_nr, new_r_Proj(irg, bl, call, mode_M, pn_Call_M_except));
+ set_Tuple_pred(node, rt->mem_proj_nr, new_r_Proj(bl, call, mode_M, pn_Call_M));
}
if (rt->res_proj_nr >= 0)
for (i = 0; i < n_res; ++i)
set_Tuple_pred(node, rt->res_proj_nr + i,
- new_r_Proj(irg, bl, res_proj, get_type_mode(get_method_res_type(mtp, i)), i));
+ new_r_Proj(bl, res_proj, get_type_mode(get_method_res_type(mtp, i)), i));
return 1;
} else {
/* only one return value supported */
if (n_res > 0) {
ir_mode *mode = get_type_mode(get_method_res_type(mtp, 0));
- res_proj = new_r_Proj(irg, bl, call, mode_T, pn_Call_T_result);
- res_proj = new_r_Proj(irg, bl, res_proj, mode, 0);
+ res_proj = new_r_Proj(bl, call, mode_T, pn_Call_T_result);
+ res_proj = new_r_Proj(bl, res_proj, mode, 0);
exchange(node, res_proj);
return 1;
projects / libfirm / blobdiff