From 667771950d1c5ad9429a922fc28f8e7e8cdadd04 Mon Sep 17 00:00:00 2001
From: Rhys Perry <pendingchaos02@gmail.com>
Date: Tue, 2 Dec 2025 11:28:46 +0000
Subject: [PATCH] aco/ra: update register file when recreating blocking vectors
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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38811>
---
 src/amd/compiler/aco_register_allocation.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/amd/compiler/aco_register_allocation.cpp b/src/amd/compiler/aco_register_allocation.cpp
index 4ab176393d5..c5e97aab449 100644
--- a/src/amd/compiler/aco_register_allocation.cpp
+++ b/src/amd/compiler/aco_register_allocation.cpp
@@ -3660,6 +3660,7 @@ recreate_blocking_vectors(ra_ctx& ctx, const std::vector<Instruction*>& splits,
          Temp component = split->definitions[op_idx].getTemp();
          component = read_variable(ctx, component, ctx.block->index);
          vec->operands[op_idx] = Operand(component, ctx.assignments[component.id()].reg);
+         reg_file.clear(vec->operands[op_idx]);
       }
 
       bool temp_in_scc = reg_file[scc];