Mesa (master): i965/cfg: Add function to generate a dot file of the CFG.
Matt Turner
mattst88 at kemper.freedesktop.org
Wed Feb 18 04:44:56 UTC 2015
Module: Mesa
Branch: master
Commit: b06eef05d040ffcfe5a203387b1c4b5b0b32848a
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=b06eef05d040ffcfe5a203387b1c4b5b0b32848a
Author: Matt Turner <mattst88 at gmail.com>
Date: Wed Feb 26 16:07:52 2014 -0800
i965/cfg: Add function to generate a dot file of the CFG.
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
---
src/mesa/drivers/dri/i965/brw_cfg.cpp | 14 ++++++++++++++
src/mesa/drivers/dri/i965/brw_cfg.h | 1 +
2 files changed, 15 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_cfg.cpp b/src/mesa/drivers/dri/i965/brw_cfg.cpp
index b8e5e2e..e094a88 100644
--- a/src/mesa/drivers/dri/i965/brw_cfg.cpp
+++ b/src/mesa/drivers/dri/i965/brw_cfg.cpp
@@ -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");
+}
diff --git a/src/mesa/drivers/dri/i965/brw_cfg.h b/src/mesa/drivers/dri/i965/brw_cfg.h
index 215f248..4d4eb2d 100644
--- a/src/mesa/drivers/dri/i965/brw_cfg.h
+++ b/src/mesa/drivers/dri/i965/brw_cfg.h
@@ -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;
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