OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

intel/ir: Add helper function to push block onto CFG analysis stack.

Browse Source 
Requested-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
This commit is contained in:
Francisco Jerez
2019-09-27 14:49:14 -07:00
parent d6a9731d8f
commit c344c92b31
1 changed files with 13 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/intel/compiler/brw_cfg.cpp
View File

@@ -50,6 +50,15 @@ link(void *mem_ctx, bblock_t *block, enum bblock_link_kind kind)
return &l->link;
}
void
push_stack(exec_list *list, void *mem_ctx, bblock_t *block)
{
/* The kind of the link is immaterial, but we need to provide one since
* this is (ab)using the edge data structure in order to implement a stack.
*/
list->push_tail(link(mem_ctx, block, bblock_link_logical));
}
bblock_t::bblock_t(cfg_t *cfg) :
cfg(cfg), idom(NULL), start_ip(0), end_ip(0), num(0), cycle_count(0)
{
@@ -188,8 +197,8 @@ cfg_t::cfg_t(exec_list *instructions)
/* Push our information onto a stack so we can recover from
* nested ifs.
*/
if_stack.push_tail(link(mem_ctx, cur_if, bblock_link_logical));
else_stack.push_tail(link(mem_ctx, cur_else, bblock_link_logical));
push_stack(&if_stack, mem_ctx, cur_if);
push_stack(&else_stack, mem_ctx, cur_else);
cur_if = cur;
cur_else = NULL;
@@ -249,8 +258,8 @@ cfg_t::cfg_t(exec_list *instructions)
/* Push our information onto a stack so we can recover from
* nested loops.
*/
do_stack.push_tail(link(mem_ctx, cur_do, bblock_link_logical));
while_stack.push_tail(link(mem_ctx, cur_while, bblock_link_logical));
push_stack(&do_stack, mem_ctx, cur_do);
push_stack(&while_stack, mem_ctx, cur_while);
/* Set up the block just after the while. Don't know when exactly
* it will start, yet.