From 4937172534a71382cfc437b74ae80376ef65985c Mon Sep 17 00:00:00 2001
From: Connor Abbott <cwabbott0@gmail.com>
Date: Fri, 17 Feb 2023 13:50:00 +0100
Subject: [PATCH] ir3/ra: Prepare for shared phis

Correctly copy the shared-ness to the parallel copy when the destination
is shared.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22075>
---
 src/freedreno/ir3/ir3_merge_regs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/freedreno/ir3/ir3_merge_regs.c b/src/freedreno/ir3/ir3_merge_regs.c
index 7de6aaa4b18..fd3de619a1f 100644
--- a/src/freedreno/ir3/ir3_merge_regs.c
+++ b/src/freedreno/ir3/ir3_merge_regs.c
@@ -470,6 +470,7 @@ create_parallel_copy(struct ir3_block *block)
              !phi->srcs[pred_idx]->def)
             continue;
          phi->srcs[pred_idx]->def = pcopy->dsts[j];
+         pcopy->dsts[j]->flags |= phi->dsts[0]->flags & IR3_REG_SHARED;
          phi->srcs[pred_idx]->flags = pcopy->dsts[j]->flags;
          j++;
       }