Mesa (master): freedreno/ir3: add dumping for use/def/live-in/live-out

[Rob Clark]

Module: Mesa
Branch: master
Commit: d47fb856af4da5f56f80e072365b9286f0731a54
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d47fb856af4da5f56f80e072365b9286f0731a54

Author: Rob Clark <robclark at freedesktop.org>
Date:   Mon Apr  4 14:16:12 2016 -0400

freedreno/ir3: add dumping for use/def/live-in/live-out

Turned out to be useful to debug an issue in RA.  Let's keep it.

Signed-off-by: Rob Clark <robclark at freedesktop.org>

---

 src/gallium/drivers/freedreno/ir3/ir3.h       | 10 +++++++++
 src/gallium/drivers/freedreno/ir3/ir3_print.c | 11 +---------
 src/gallium/drivers/freedreno/ir3/ir3_ra.c    | 31 +++++++++++++++++++++++++++
 3 files changed, 42 insertions(+), 10 deletions(-)

diff --git a/src/gallium/drivers/freedreno/ir3/ir3.h b/src/gallium/drivers/freedreno/ir3/ir3.h
index f268c2b..23e43b1 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3.h
+++ b/src/gallium/drivers/freedreno/ir3/ir3.h
@@ -434,6 +434,16 @@ struct ir3_block {
 #endif
 };
 
+static inline uint32_t
+block_id(struct ir3_block *block)
+{
+#ifdef DEBUG
+	return block->serialno;
+#else
+	return (uint32_t)(unsigned long)block;
+#endif
+}
+
 struct ir3 * ir3_create(struct ir3_compiler *compiler,
 		unsigned nin, unsigned nout);
 void ir3_destroy(struct ir3 *shader);
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_print.c b/src/gallium/drivers/freedreno/ir3/ir3_print.c
index 86418b8..8aebf21 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_print.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_print.c
@@ -40,6 +40,7 @@ static void print_instr_name(struct ir3_instruction *instr)
 #ifdef DEBUG
 	printf("%04u:", instr->serialno);
 #endif
+	printf("%04u:", instr->name);
 	printf("%03u: ", instr->depth);
 
 	if (instr->flags & IR3_INSTR_SY)
@@ -148,16 +149,6 @@ tab(int lvl)
 		printf("\t");
 }
 
-static uint32_t
-block_id(struct ir3_block *block)
-{
-#ifdef DEBUG
-	return block->serialno;
-#else
-	return (uint32_t)(unsigned long)block;
-#endif
-}
-
 static void
 print_instr(struct ir3_instruction *instr, int lvl)
 {
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_ra.c b/src/gallium/drivers/freedreno/ir3/ir3_ra.c
index 2f369e6..f06b27e 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_ra.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_ra.c
@@ -31,6 +31,8 @@
 #include "util/ralloc.h"
 #include "util/bitset.h"
 
+#include "freedreno_util.h"
+
 #include "ir3.h"
 #include "ir3_compiler.h"
 
@@ -810,6 +812,22 @@ ra_compute_livein_liveout(struct ir3_ra_ctx *ctx)
 }
 
 static void
+print_bitset(const char *name, BITSET_WORD *bs, unsigned cnt)
+{
+	bool first = true;
+	debug_printf("  %s:", name);
+	for (unsigned i = 0; i < cnt; i++) {
+		if (BITSET_TEST(bs, i)) {
+			if (!first)
+				debug_printf(",");
+			debug_printf(" %04u", i);
+			first = false;
+		}
+	}
+	debug_printf("\n");
+}
+
+static void
 ra_add_interference(struct ir3_ra_ctx *ctx)
 {
 	struct ir3 *ir = ctx->ir;
@@ -831,6 +849,19 @@ ra_add_interference(struct ir3_ra_ctx *ctx)
 	/* update per-block livein/liveout: */
 	while (ra_compute_livein_liveout(ctx)) {}
 
+	if (fd_mesa_debug & FD_DBG_OPTMSGS) {
+		debug_printf("AFTER LIVEIN/OUT:\n");
+		ir3_print(ir);
+		list_for_each_entry (struct ir3_block, block, &ir->block_list, node) {
+			struct ir3_ra_block_data *bd = block->data;
+			debug_printf("block%u:\n", block_id(block));
+			print_bitset("def", bd->def, ctx->alloc_count);
+			print_bitset("use", bd->use, ctx->alloc_count);
+			print_bitset("l/i", bd->livein, ctx->alloc_count);
+			print_bitset("l/o", bd->liveout, ctx->alloc_count);
+		}
+	}
+
 	/* extend start/end ranges based on livein/liveout info from cfg: */
 	unsigned bitset_words = BITSET_WORDS(ctx->alloc_count);
 	list_for_each_entry (struct ir3_block, block, &ir->block_list, node) {