solve the CI failure

Author: YixingZhang007

llvm/test/CodeGen/SPIRV/basic_float_types.ll

@@ -1,6 +1,6 @@
-; RUN: llc -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s
-; RUN: llc -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s
-; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-unknown %s -o - -filetype=obj | spirv-val %}
+; RUN: llc -O0 -mtriple=spirv32-unknown-unknown --spirv-ext=+SPV_KHR_bfloat16 %s -o - | FileCheck %s
+; RUN: llc -O0 -mtriple=spirv64-unknown-unknown --spirv-ext=+SPV_KHR_bfloat16 %s -o - | FileCheck %s
+; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-unknown --spirv-ext=+SPV_KHR_bfloat16 %s -o - -filetype=obj | spirv-val %}
 
 define void @main() {
 entry: