static void lower_mux_node(ir_node* mux)
{
- ir_node *upper_block;
- ir_node *lower_block;
- ir_node *cond;
- ir_node *trueProj;
- ir_node *falseProj;
- ir_node *falseBlock;
- ir_node *mux_jmps[2];
- ir_node *mux_values[2];
- ir_node *phi;
+ ir_node *upper_block;
+ ir_node *lower_block;
+ ir_node *cond;
+ ir_node *trueProj;
+ ir_node *falseProj;
+ ir_node *falseBlock;
+ ir_node *mux_jmps[2];
+ ir_node *mux_values[2];
+ ir_node *phi;
+ ir_graph *irg;
+
+ irg = get_irn_irg(mux);
/* Split the block in two halfs, with the mux in the upper block. */
lower_block = get_nodes_block(mux);
assert(lower_block != 0);
part_block(mux);
- upper_block = get_cur_block();
+ upper_block = get_nodes_block(mux);
/* Create a cond node with two projs and a phi as mux replacement. The
* true proj jumps directly to the lower block, the false proj uses a
* block in-between, so that the phi can be used to select the result
* value from the old mux node in the lower block. */
- cond = new_Cond(get_Mux_sel(mux));
- trueProj = new_Proj(cond, mode_X, pn_Cond_true);
- falseProj = new_Proj(cond, mode_X, pn_Cond_false);
- falseBlock = new_Block(1, &falseProj);
+ cond = new_r_Cond(upper_block, get_Mux_sel(mux));
+ trueProj = new_r_Proj(upper_block, cond, mode_X, pn_Cond_true);
+ falseProj = new_r_Proj(upper_block, cond, mode_X, pn_Cond_false);
+ falseBlock = new_r_Block(irg, 1, &falseProj);
mux_jmps[0] = trueProj;
mux_jmps[1] = new_r_Jmp(falseBlock);
/* Combine the two control flows with a phi to select the correct value
* and use it to replace the mux. */
- set_cur_block(lower_block);
-
mux_values[0] = get_Mux_true(mux);
mux_values[1] = get_Mux_false(mux);
- phi = new_Phi(2, mux_values, get_irn_mode(mux));
+ phi = new_r_Phi(lower_block, 2, mux_values, get_irn_mode(mux));
exchange(mux, phi);
/* Add links and update phi node lists, for the next part_block() call.