ir3/postsched: Don't use SSA source information

This was only used for calculating if a source is a tex or SFU
instruction, which is easily replacable. It's going away with the new
RA.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9842>

diff --git a/src/freedreno/ir3/ir3_postsched.c b/src/freedreno/ir3/ir3_postsched.c
index d02926f..6a79261 100644 (file)
--- a/src/freedreno/ir3/ir3_postsched.c
+++ b/src/freedreno/ir3/ir3_postsched.c
@@ -70,6 +70,8 @@ struct ir3_postsched_node {
        struct ir3_instruction *instr;
        bool partially_evaluated_path;
 
+       bool has_tex_src, has_sfu_src;
+
        unsigned delay;
        unsigned max_delay;
 };
@@ -77,6 +79,20 @@ struct ir3_postsched_node {
 #define foreach_sched_node(__n, __list) \
        list_for_each_entry(struct ir3_postsched_node, __n, __list, dag.link)
 
+static bool
+has_tex_src(struct ir3_instruction *instr)
+{
+       struct ir3_postsched_node *node = instr->data;
+       return node->has_tex_src;
+}
+
+static bool
+has_sfu_src(struct ir3_instruction *instr)
+{
+       struct ir3_postsched_node *node = instr->data;
+       return node->has_sfu_src;
+}
+
 static void
 schedule(struct ir3_postsched_ctx *ctx, struct ir3_instruction *instr)
 {
@@ -98,7 +114,7 @@ schedule(struct ir3_postsched_ctx *ctx, struct ir3_instruction *instr)
 
        if (is_sfu(instr)) {
                ctx->sfu_delay = 8;
-       } else if (check_src_cond(instr, is_sfu)) {
+       } else if (has_sfu_src(instr)) {
                ctx->sfu_delay = 0;
        } else if (ctx->sfu_delay > 0) {
                ctx->sfu_delay--;
@@ -106,7 +122,7 @@ schedule(struct ir3_postsched_ctx *ctx, struct ir3_instruction *instr)
 
        if (is_tex_or_prefetch(instr)) {
                ctx->tex_delay = 10;
-       } else if (check_src_cond(instr, is_tex_or_prefetch)) {
+       } else if (has_tex_src(instr)) {
                ctx->tex_delay = 0;
        } else if (ctx->tex_delay > 0) {
                ctx->tex_delay--;
@@ -140,12 +156,12 @@ static bool
 would_sync(struct ir3_postsched_ctx *ctx, struct ir3_instruction *instr)
 {
        if (ctx->sfu_delay) {
-               if (check_src_cond(instr, is_sfu))
+               if (has_sfu_src(instr))
                        return true;
        }
 
        if (ctx->tex_delay) {
-               if (check_src_cond(instr, is_tex_or_prefetch))
+               if (has_tex_src(instr))
                        return true;
        }
 
@@ -374,6 +390,10 @@ add_single_reg_dep(struct ir3_postsched_deps_state *state,
        if (src_n >= 0 && dep && state->direction == F) {
                unsigned d = ir3_delayslots(dep->instr, node->instr, src_n, true);
                node->delay = MAX2(node->delay, d);
+               if (is_tex_or_prefetch(dep->instr))
+                       node->has_tex_src = true;
+               if (is_tex_or_prefetch(dep->instr))
+                       node->has_sfu_src = true;
        }
 
        add_dep(state, dep, node);