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-rw-r--r--src/mesa/program/ir_to_mesa.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index d0ec23fc857..7f905ae5ce3 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -2754,6 +2754,9 @@ ir_to_mesa_visitor::copy_propagate(void)
*/
for (int r = 0; r < this->next_temp; r++) {
for (int c = 0; c < 4; c++) {
+ if (!acp[4 * r + c])
+ continue;
+
if (acp[4 * r + c]->src_reg[0].file == PROGRAM_OUTPUT)
acp[4 * r + c] = NULL;
}