From 1b491cc51a434e706665fde2304cdebc2e49f170 Mon Sep 17 00:00:00 2001
From: Georg Lehmann <dadschoorse@gmail.com>
Date: Wed, 26 Nov 2025 18:17:26 +0100
Subject: [PATCH] aco/optimizer: don't remove label_extract for splits
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No Foz-DB changes, but will become nessecary with dword first splits.

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39532>
---
 src/amd/compiler/aco_optimizer.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/amd/compiler/aco_optimizer.cpp b/src/amd/compiler/aco_optimizer.cpp
index f6365e82e59..03a8000ede8 100644
--- a/src/amd/compiler/aco_optimizer.cpp
+++ b/src/amd/compiler/aco_optimizer.cpp
@@ -1998,6 +1998,10 @@ remove_operand_extract(opt_ctx& ctx, aco_ptr<Instruction>& instr)
    if (instr->isSALU() || instr->isVALU())
       return;
 
+   /* There might be dead splits created by emit_split_vector. */
+   if (instr->opcode == aco_opcode::p_split_vector)
+      return;
+
    for (unsigned i = 0; i < instr->operands.size(); i++) {
       Operand op = instr->operands[i];
       if (!op.isTemp())