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1; RUN: llc -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s --check-prefix=CHECK-SPIRV2 3; CHECK-SPIRV: OpDecorate %[[#PARAM:]] FuncParamAttr NoWrite4; CHECK-SPIRV: %[[#PARAM]] = OpFunctionParameter %{{.*}}5 6define dso_local spir_kernel void @_ZTSZ4mainE15kernel_function(i32 addrspace(1)* readonly %_arg_) local_unnamed_addr {7entry:8 ret void9}10