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