1; RUN: llc --mtriple=wasm32-unknown-unknown -asm-verbose=false -mattr=+reference-types < %s | FileCheck %s 2 3%extern = type opaque 4%externref = type %extern addrspace(10)* ;; addrspace 10 is nonintegral 5%funcref = type i8 addrspace(20)* ;; addrspace 20 is nonintegral 6 7declare %externref @llvm.wasm.ref.null.extern() nounwind 8declare %funcref @llvm.wasm.ref.null.func() nounwind 9 10define %externref @get_null_extern() { 11; CHECK-LABEL: get_null_extern: 12; CHECK-NEXT: .functype get_null_extern () -> (externref) 13; CHECK-NEXT: ref.null_extern 14; CHECK-NEXT: end_function 15 %null = call %externref @llvm.wasm.ref.null.extern() 16 ret %externref %null 17} 18 19define %funcref @get_null_func() { 20; CHECK-LABEL: get_null_func: 21; CHECK-NEXT: .functype get_null_func () -> (funcref) 22; CHECK-NEXT: ref.null_func 23; CHECK-NEXT: end_function 24 %null = call %funcref @llvm.wasm.ref.null.func() 25 ret %funcref %null 26} 27