1; RUN: llc < %s --mtriple=wasm32-unknown-unknown -asm-verbose=false -mattr=+reference-types | FileCheck %s
2
3%func = type void ()
4%funcref = type %func addrspace(20)* ;; addrspace 20 is nonintegral
5
6@funcref_table = local_unnamed_addr addrspace(1) global [0 x %funcref] undef
7
8define %funcref @get_funcref_from_table(i32 %i) {
9; CHECK-LABEL: get_funcref_from_table:
10; CHECK-NEXT: .functype       get_funcref_from_table (i32) -> (funcref)
11; CHECK-NEXT: local.get 0
12; CHECK-NEXT: table.get funcref_table
13; CHECK-NEXT: end_function
14  %p = getelementptr [0 x %funcref], [0 x %funcref] addrspace (1)* @funcref_table, i32 0, i32 %i
15  %ref = load %funcref, %funcref addrspace(1)* %p
16  ret %funcref %ref
17}
18
19define %funcref @get_funcref_from_table_const() {
20; CHECK-LABEL: get_funcref_from_table_const:
21; CHECK-NEXT:  .functype      get_funcref_from_table_const () -> (funcref)
22; CHECK-NEXT:  i32.const      0
23; CHECK-NEXT:  table.get      funcref_table
24; CHECK-NEXT:  end_function
25  %p = getelementptr [0 x %funcref], [0 x %funcref] addrspace (1)* @funcref_table, i32 0, i32 0
26  %ref = load %funcref, %funcref addrspace(1)* %p
27  ret %funcref %ref
28}
29
30define %funcref @get_funcref_from_table_with_offset(i32 %i) {
31; CHECK-LABEL: get_funcref_from_table_with_offset:
32; CHECK-NEXT:  .functype       get_funcref_from_table_with_offset (i32) -> (funcref)
33; CHECK-NEXT:  local.get       0
34; CHECK-NEXT:  i32.const       2
35; CHECK-NEXT:  i32.add
36; CHECK-NEXT:  table.get       funcref_table
37; CHECK-NEXT:  end_function
38  %off = add nsw i32 %i, 2
39  %p = getelementptr [0 x %funcref], [0 x %funcref] addrspace (1)* @funcref_table, i32 0, i32 %off
40  %ref = load %funcref, %funcref addrspace(1)* %p
41  ret %funcref %ref
42}
43
44
45define %funcref @get_funcref_from_table_with_var_offset(i32 %i, i32 %j) {
46; CHECK-LABEL: get_funcref_from_table_with_var_offset:
47; CHECK-NEXT:  .functype       get_funcref_from_table_with_var_offset (i32, i32) -> (funcref)
48; CHECK-NEXT:  local.get       0
49; CHECK-NEXT:  local.get       1
50; CHECK-NEXT:  i32.add
51; CHECK-NEXT:  table.get       funcref_table
52; CHECK-NEXT:  end_function
53  %off = add nsw i32 %i, %j
54  %p = getelementptr [0 x %funcref], [0 x %funcref] addrspace (1)* @funcref_table, i32 0, i32 %off
55  %ref = load %funcref, %funcref addrspace(1)* %p
56  ret %funcref %ref
57}
58
59declare i32 @get_offset()
60
61define %funcref @get_funcref_from_table_with_var_offset2(i32 %i) {
62; CHECK-LABEL: get_funcref_from_table_with_var_offset2:
63; CHECK-NEXT:  .functype       get_funcref_from_table_with_var_offset2 (i32) -> (funcref)
64; CHECK-NEXT:  local.get       0
65; CHECK-NEXT:  call    get_offset
66; CHECK-NEXT:  i32.add
67; CHECK-NEXT:  table.get       funcref_table
68; CHECK-NEXT:  end_function
69  %j = call i32 @get_offset()
70  %off = add nsw i32 %i, %j
71  %p = getelementptr [0 x %funcref], [0 x %funcref] addrspace (1)* @funcref_table, i32 0, i32 %off
72  %ref = load %funcref, %funcref addrspace(1)* %p
73  ret %funcref %ref
74}
75
76; CHECK: .globl funcref_table
77