From 799bb103283d3324075af1277c41d44d90201034 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Daniel=20Sch=C3=BCrmann?= <daniel@schuermann.dev>
Date: Wed, 25 Mar 2020 11:03:33 +0100
Subject: [PATCH] aco: validate uninitialized operands
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-By: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4002>
---
 src/amd/compiler/aco_validate.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/amd/compiler/aco_validate.cpp b/src/amd/compiler/aco_validate.cpp
index 0fc80e68008..469d8c069be 100644
--- a/src/amd/compiler/aco_validate.cpp
+++ b/src/amd/compiler/aco_validate.cpp
@@ -154,6 +154,8 @@ void validate(Program* program, FILE * output)
                                    (flat && i == 1) || (instr->format == Format::MIMG && i == 1) ||
                                    ((instr->format == Format::MUBUF || instr->format == Format::MTBUF) && i == 1);
                check(can_be_undef, "Undefs can only be used in certain operands", instr.get());
+            } else {
+               check(instr->operands[i].isFixed() || instr->operands[i].isTemp() || instr->operands[i].isConstant(), "Uninitialized Operand", instr.get());
             }
          }
 
-- 
2.30.2