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
6@externref_table = local_unnamed_addr addrspace(1) global [0 x %externref] undef
7
8declare i32 @llvm.wasm.table.grow.externref(i8 addrspace(1)*, %externref, i32) nounwind readonly
9declare %externref @llvm.wasm.ref.null.extern() nounwind readonly
10
11define i32 @table_grow(i32 %sz) {
12; CHECK-LABEL: table_grow:
13; CHECK-NEXT:  .functype	table_grow (i32) -> (i32)
14; CHECK-NEXT:  ref.null_extern
15; CHECK-NEXT:  local.get	0
16; CHECK-NEXT:  table.grow	externref_table
17; CHECK-NEXT:  end_function
18  %null = call %externref @llvm.wasm.ref.null.extern()
19  %tableptr = getelementptr [0 x %externref], [0 x %externref] addrspace(1)* @externref_table, i32 0, i32 0
20  %tb = bitcast %externref addrspace(1)* %tableptr to i8 addrspace(1)*
21  %newsz = call i32 @llvm.wasm.table.grow.externref(i8 addrspace(1)* %tb, %externref %null, i32 %sz)
22  ret i32 %newsz
23}
24