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i965/cfg: Add function to generate a dot file of the CFG.

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Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Matt Turner 2014-02-26 16:07:52 -08:00
parent 0e3dbc0248
commit b06eef05d0
2 changed files with 15 additions and 0 deletions
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14
src/mesa/drivers/dri/i965/brw_cfg.cpp
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@ -495,3 +495,17 @@ cfg_t::intersect(bblock_t *b1, bblock_t *b2)
assert(b1);
return b1;
}
void
cfg_t::dump_cfg()
{
printf("digraph CFG {\n");
for (int b = 0; b < num_blocks; b++) {
bblock_t *block = this->blocks[b];
foreach_list_typed_safe (bblock_link, child, link, &block->children) {
printf("\t%d -> %d\n", b, child->block->num);
}
}
printf("}\n");
}

1
src/mesa/drivers/dri/i965/brw_cfg.h
View file

@ -274,6 +274,7 @@ struct cfg_t {
static bblock_t *intersect(bblock_t *b1, bblock_t *b2);
void dump(backend_visitor *v);
void dump_cfg();
#endif
void *mem_ctx;