diff --git a/llvm/test/MC/AMDGPU/gfx1250_asm_vop3_err.s b/llvm/test/MC/AMDGPU/gfx1250_asm_vop3_err.s
index cce8e1ef24f5f..4f7df62659f68 100644
--- a/llvm/test/MC/AMDGPU/gfx1250_asm_vop3_err.s
+++ b/llvm/test/MC/AMDGPU/gfx1250_asm_vop3_err.s
@@ -1,4 +1,5 @@
 // RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1250 -show-encoding %s 2>&1 | FileCheck --check-prefixes=GFX125X-ERR,GFX1250-ERR --implicit-check-not=error: --strict-whitespace %s
+// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1251 -show-encoding %s 2>&1 | FileCheck --check-prefixes=GFX125X-ERR,GFX1251-ERR --implicit-check-not=error: --strict-whitespace %s
 
 v_lshl_add_u64 v[2:3], v[4:5], v7, v[8:9] dpp8:[7,6,5,4,3,2,1,0]
 // GFX125X-ERR: :[[@LINE-1]]:{{[0-9]+}}: error: not a valid operand.