xref: /llvm-project/llvm/test/CodeGen/WebAssembly/table-grow.ll (revision bab98395a103ac49aa3d8080565e2b8e99f112a5)
1; RUN: llc --mtriple=wasm32-unknown-unknown -asm-verbose=false -mattr=+reference-types < %s | FileCheck %s
2
3%externref = type ptr addrspace(10) ;; addrspace 10 is nonintegral
4
5@externref_table = local_unnamed_addr addrspace(1) global [0 x %externref] undef
6
7declare i32 @llvm.wasm.table.grow.externref(ptr addrspace(1), %externref, i32) nounwind readonly
8declare %externref @llvm.wasm.ref.null.extern() nounwind readonly
9
10define i32 @table_grow(i32 %sz) {
11; CHECK-LABEL: table_grow:
12; CHECK-NEXT:  .functype	table_grow (i32) -> (i32)
13; CHECK-NEXT:  ref.null_extern
14; CHECK-NEXT:  local.get	0
15; CHECK-NEXT:  table.grow	externref_table
16; CHECK-NEXT:  end_function
17  %null = call %externref @llvm.wasm.ref.null.extern()
18  %newsz = call i32 @llvm.wasm.table.grow.externref(ptr addrspace(1) @externref_table, %externref %null, i32 %sz)
19  ret i32 %newsz
20}
21