| 0,0 → 1,136 |
|---|
| /* |
| * Copyright 2013 Vadim Girlin <vadimgirlin@gmail.com> |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * on the rights to use, copy, modify, merge, publish, distribute, sub |
| * license, and/or sell copies of the Software, and to permit persons to whom |
| * the Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Vadim Girlin |
| */ |
| |
| #include "sb_shader.h" |
| |
| #include "sb_pass.h" |
| |
| namespace r600_sb { |
| |
| bool dce_cleanup::visit(node& n, bool enter) { |
| if (enter) { |
| } else { |
| if (n.flags & NF_DEAD) |
| n.remove(); |
| else |
| cleanup_dst(n); |
| } |
| return true; |
| } |
| |
| bool dce_cleanup::visit(alu_group_node& n, bool enter) { |
| if (enter) { |
| } else { |
| n.expand(); |
| } |
| return true; |
| } |
| |
| bool dce_cleanup::visit(cf_node& n, bool enter) { |
| if (enter) { |
| if (n.flags & NF_DEAD) |
| n.remove(); |
| else |
| cleanup_dst(n); |
| } else { |
| if (n.bc.op_ptr->flags & (CF_CLAUSE | CF_BRANCH | CF_LOOP)) |
| n.expand(); |
| } |
| return true; |
| } |
| |
| bool dce_cleanup::visit(alu_node& n, bool enter) { |
| if (enter) { |
| } else { |
| if (n.flags & NF_DEAD) |
| n.remove(); |
| else |
| cleanup_dst(n); |
| } |
| return true; |
| } |
| |
| bool dce_cleanup::visit(alu_packed_node& n, bool enter) { |
| if (enter) { |
| } else { |
| if (n.flags & NF_DEAD) |
| n.remove(); |
| else |
| cleanup_dst(n); |
| } |
| return false; |
| } |
| |
| bool dce_cleanup::visit(fetch_node& n, bool enter) { |
| if (enter) { |
| } else { |
| if (n.flags & NF_DEAD) |
| n.remove(); |
| else |
| cleanup_dst(n); |
| } |
| return true; |
| } |
| |
| bool dce_cleanup::visit(region_node& n, bool enter) { |
| if (enter) { |
| if (n.loop_phi) |
| run_on(*n.loop_phi); |
| } else { |
| if (n.phi) |
| run_on(*n.phi); |
| } |
| return true; |
| } |
| |
| void dce_cleanup::cleanup_dst(node& n) { |
| cleanup_dst_vec(n.dst); |
| } |
| |
| bool dce_cleanup::visit(container_node& n, bool enter) { |
| if (enter) { |
| cleanup_dst(n); |
| } else { |
| |
| } |
| return true; |
| } |
| |
| void dce_cleanup::cleanup_dst_vec(vvec& vv) { |
| for (vvec::iterator I = vv.begin(), E = vv.end(); I != E; ++I) { |
| value* &v = *I; |
| if (!v) |
| continue; |
| |
| if (v->gvn_source && v->gvn_source->is_dead()) |
| v->gvn_source = NULL; |
| |
| if (v->is_dead()) |
| v = NULL; |
| } |
| } |
| |
| } // namespace r600_sb |