This was invaluable when debugging the global copy propagation
algorithm. We may as well commit it in case someone needs to print
out the sets in the future.
Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
---
.../drivers/dri/i965/brw_fs_copy_propagation.cpp | 30 ++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
index 7464498..2780ab6 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
@@ -83,6 +83,8 @@ public:
void setup_initial_values();
void run();
+ void dump_block_data() const;
+
void *mem_ctx;
cfg_t *cfg;
@@ -243,6 +245,34 @@ fs_copy_prop_dataflow::run()
} while (progress);
}
+void
+fs_copy_prop_dataflow::dump_block_data() const
+{
+ for (int b = 0; b < cfg->num_blocks; b++) {
+ bblock_t *block = cfg->blocks[b];
+ printf("Block %d [%d, %d] (parents ", block->block_num,
+ block->start_ip, block->end_ip);
+ foreach_list(block_node, &block->parents) {
+ bblock_t *parent = ((bblock_link *) block_node)->block;
+ printf("%d ", parent->block_num);
+ }
+ printf("):\n");
+ printf(" livein = 0x");
+ for (int i = 0; i < bitset_words; i++)
+ printf("%08x", bd[b].livein[i]);
+ printf(", liveout = 0x");
+ for (int i = 0; i < bitset_words; i++)
+ printf("%08x", bd[b].liveout[i]);
+ printf(",\n copy = 0x");
+ for (int i = 0; i < bitset_words; i++)
+ printf("%08x", bd[b].copy[i]);
+ printf(", kill = 0x");
+ for (int i = 0; i < bitset_words; i++)
+ printf("%08x", bd[b].kill[i]);
+ printf("\n");
+ }
+}
+
bool
fs_visitor::try_copy_propagate(fs_inst *inst, int arg, acp_entry *entry)
{
--
1.8.3.4
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