nv50/ir: fix instruction permutation logic

Signed-off-by: Ilia Mirkin <[email protected]>
Cc: "11.0 11.1" <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_bb.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_bb.cpp
index fa8ee072a92..9f0e0733326 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_bb.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_bb.cpp
@@ -291,7 +291,7 @@ void BasicBlock::permuteAdjacent(Instruction *a, Instruction *b)
 
    if (b->prev)
       b->prev->next = b;
-   if (a->prev)
+   if (a->next)
       a->next->prev = a;
 }