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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=wasm32-unknown-unknown -mattr=+reference-types < %s | FileCheck %s
%externref = type ptr addrspace(10) ;; addrspace 10 is nonintegral
%funcref = type ptr addrspace(20) ;; addrspace 20 is nonintegral
declare %externref @llvm.wasm.ref.null.extern() nounwind
declare %funcref @llvm.wasm.ref.null.func() nounwind
declare i32 @llvm.wasm.ref.is_null.extern(%externref) nounwind
declare i32 @llvm.wasm.ref.is_null.func(%funcref) nounwind
define %externref @get_null_extern() {
; CHECK-LABEL: get_null_extern:
; CHECK: .functype get_null_extern () -> (externref)
; CHECK-NEXT: # %bb.0:
; CHECK-NEXT: ref.null_extern
; CHECK-NEXT: # fallthrough-return
%null = call %externref @llvm.wasm.ref.null.extern()
ret %externref %null
}
define %funcref @get_null_func() {
; CHECK-LABEL: get_null_func:
; CHECK: .functype get_null_func () -> (funcref)
; CHECK-NEXT: # %bb.0:
; CHECK-NEXT: ref.null_func
; CHECK-NEXT: # fallthrough-return
%null = call %funcref @llvm.wasm.ref.null.func()
ret %funcref %null
}
define i32 @ref_is_null_extern(%externref %eref) {
; CHECK-LABEL: ref_is_null_extern:
; CHECK: .functype ref_is_null_extern (externref) -> (i32)
; CHECK-NEXT: # %bb.0:
; CHECK-NEXT: ref.null_extern
; CHECK-NEXT: ref.is_null
; CHECK-NEXT: local.get 0
; CHECK-NEXT: ref.is_null
; CHECK-NEXT: i32.add
; CHECK-NEXT: # fallthrough-return
%null = call %externref @llvm.wasm.ref.null.extern()
%is_null = call i32 @llvm.wasm.ref.is_null.extern(%externref %null)
%arg_is_null = call i32 @llvm.wasm.ref.is_null.extern(%externref %eref)
%res = add i32 %is_null, %arg_is_null
ret i32 %res
}
define i32 @ref_is_null_func(%funcref %fref) {
; CHECK-LABEL: ref_is_null_func:
; CHECK: .functype ref_is_null_func (funcref) -> (i32)
; CHECK-NEXT: # %bb.0:
; CHECK-NEXT: ref.null_func
; CHECK-NEXT: ref.is_null
; CHECK-NEXT: local.get 0
; CHECK-NEXT: ref.is_null
; CHECK-NEXT: i32.add
; CHECK-NEXT: # fallthrough-return
%null = call %funcref @llvm.wasm.ref.null.func()
%is_null = call i32 @llvm.wasm.ref.is_null.func(%funcref %null)
%arg_is_null = call i32 @llvm.wasm.ref.is_null.func(%funcref %fref)
%res = add i32 %is_null, %arg_is_null
ret i32 %res
}
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