[Mesa-dev] [PATCH 04/10] i965/cfg: Add function to generate a dot file of the dominator tree.
Matt Turner
mattst88 at gmail.com
Wed Feb 4 20:21:21 PST 2015
---
src/mesa/drivers/dri/i965/brw_cfg.cpp | 10 ++++++++++
src/mesa/drivers/dri/i965/brw_cfg.h | 1 +
2 files changed, 11 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_cfg.cpp b/src/mesa/drivers/dri/i965/brw_cfg.cpp
index 2d6a181..095c34f 100644
--- a/src/mesa/drivers/dri/i965/brw_cfg.cpp
+++ b/src/mesa/drivers/dri/i965/brw_cfg.cpp
@@ -504,3 +504,13 @@ cfg_t::dump_cfg()
}
printf("}\n");
}
+
+void
+cfg_t::dump_domtree()
+{
+ printf("digraph CFG {\n");
+ foreach_block(block, this) {
+ printf("\t%d -> %d\n", block->idom->num, block->num);
+ }
+ printf("}\n");
+}
diff --git a/src/mesa/drivers/dri/i965/brw_cfg.h b/src/mesa/drivers/dri/i965/brw_cfg.h
index 4d4eb2d..56d7d07 100644
--- a/src/mesa/drivers/dri/i965/brw_cfg.h
+++ b/src/mesa/drivers/dri/i965/brw_cfg.h
@@ -275,6 +275,7 @@ struct cfg_t {
void dump(backend_visitor *v);
void dump_cfg();
+ void dump_domtree();
#endif
void *mem_ctx;
--
2.0.4
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