From ef75ea18cd352e4bee17c46069babe5ca3390641 Mon Sep 17 00:00:00 2001
From: Connor Abbott <cwabbott0@gmail.com>
Date: Tue, 21 Feb 2023 16:53:04 +0100
Subject: [PATCH] ir3: Don't emit single-source collects

This will help us propagate shared-ness through to stc when it has a
single component.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22075>
---
 src/freedreno/ir3/ir3_context.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/freedreno/ir3/ir3_context.c b/src/freedreno/ir3/ir3_context.c
index 13059d8d6af..35a1453780c 100644
--- a/src/freedreno/ir3/ir3_context.c
+++ b/src/freedreno/ir3/ir3_context.c
@@ -284,6 +284,9 @@ ir3_create_collect(struct ir3_block *block, struct ir3_instruction *const *arr,
    if (arrsz == 0)
       return NULL;
 
+   if (arrsz == 1)
+      return arr[0];
+
    unsigned flags = dest_flags(arr[0]);
 
    collect = ir3_instr_create(block, OPC_META_COLLECT, 1, arrsz);