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vkd3d-shader/ir: Dump the loops in the control flow graph.

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Giovanni Mascellani 2024-01-30 15:55:12 +01:00 committed by Alexandre Julliard
parent 8241ca2b67
commit 3d4092d9dc
Notes: Alexandre Julliard 2024-03-07 23:22:05 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Conor McCarthy (@cmccarthy)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/662
1 changed files with 12 additions and 1 deletions
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13
libs/vkd3d-shader/ir.c
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@ -3391,7 +3391,7 @@ static enum vkd3d_result vsir_cfg_scan_loop(struct vsir_block_list *loop, struct
static enum vkd3d_result vsir_cfg_compute_loops(struct vsir_cfg *cfg)
{
size_t i, j;
size_t i, j, k;
if (!(cfg->loops_by_header = vkd3d_calloc(cfg->block_count, sizeof(*cfg->loops_by_header))))
return VKD3D_ERROR_OUT_OF_MEMORY;
@ -3423,6 +3423,17 @@ static enum vkd3d_result vsir_cfg_compute_loops(struct vsir_cfg *cfg)
if ((ret = vsir_cfg_scan_loop(loop, block, header)) < 0)
return ret;
if (TRACE_ON())
{
vkd3d_string_buffer_printf(&cfg->debug_buffer, "Back edge %u -> %u with loop:", block->label, header->label);
for (k = 0; k < loop->count; ++k)
vkd3d_string_buffer_printf(&cfg->debug_buffer, " %u", loop->blocks[k]->label);
TRACE("%s\n", cfg->debug_buffer.buffer);
vkd3d_string_buffer_clear(&cfg->debug_buffer);
}
if (cfg->loops_by_header[header->label - 1] != SIZE_MAX)
{
FIXME("Block %u is header to more than one loop, this is not implemented.\n", header->label);