1; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=+bulk-memory | FileCheck %s --check-prefixes=CHECK,TLS
2; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=+bulk-memory -fast-isel | FileCheck %s --check-prefixes=CHECK,TLS
3; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=-bulk-memory | FileCheck %s --check-prefixes=CHECK,NO-TLS
4target triple = "wasm32-unknown-unknown"
5
6; CHECK-LABEL: address_of_tls:
7; CHECK-NEXT: .functype  address_of_tls () -> (i32)
8define i32 @address_of_tls() {
9  ; TLS-DAG: global.get __tls_base
10  ; TLS-DAG: i32.const tls@TLSREL
11  ; TLS-NEXT: i32.add
12  ; TLS-NEXT: return
13
14  ; NO-TLS-NEXT: i32.const tls
15  ; NO-TLS-NEXT: return
16  ret i32 ptrtoint(i32* @tls to i32)
17}
18
19; CHECK-LABEL: address_of_tls_external:
20; CHECK-NEXT: .functype  address_of_tls_external () -> (i32)
21define i32 @address_of_tls_external() {
22  ; TLS-DAG: global.get __tls_base
23  ; TLS-DAG: i32.const tls_external@TLSREL
24  ; TLS-NEXT: i32.add
25  ; TLS-NEXT: return
26
27  ; NO-TLS-NEXT: i32.const tls_external
28  ; NO-TLS-NEXT: return
29  ret i32 ptrtoint(i32* @tls_external to i32)
30}
31
32; CHECK-LABEL: ptr_to_tls:
33; CHECK-NEXT: .functype ptr_to_tls () -> (i32)
34define i32* @ptr_to_tls() {
35  ; TLS-DAG: global.get __tls_base
36  ; TLS-DAG: i32.const tls@TLSREL
37  ; TLS-NEXT: i32.add
38  ; TLS-NEXT: return
39
40  ; NO-TLS-NEXT: i32.const tls
41  ; NO-TLS-NEXT: return
42  ret i32* @tls
43}
44
45; CHECK-LABEL: tls_load:
46; CHECK-NEXT: .functype tls_load () -> (i32)
47define i32 @tls_load() {
48  ; TLS-DAG: global.get __tls_base
49  ; TLS-DAG: i32.const tls@TLSREL
50  ; TLS-NEXT: i32.add
51  ; TLS-NEXT: i32.load 0
52  ; TLS-NEXT: return
53
54  ; NO-TLS-NEXT: i32.const 0
55  ; NO-TLS-NEXT: i32.load tls
56  ; NO-TLS-NEXT: return
57  %tmp = load i32, i32* @tls, align 4
58  ret i32 %tmp
59}
60
61; CHECK-LABEL: tls_store:
62; CHECK-NEXT: .functype tls_store (i32) -> ()
63define void @tls_store(i32 %x) {
64  ; TLS-DAG: global.get __tls_base
65  ; TLS-DAG: i32.const tls@TLSREL
66  ; TLS-NEXT: i32.add
67  ; TLS-NEXT: i32.store 0
68  ; TLS-NEXT: return
69
70  ; NO-TLS-NEXT: i32.const 0
71  ; NO-TLS-NEXT: i32.store tls
72  ; NO-TLS-NEXT: return
73  store i32 %x, i32* @tls, align 4
74  ret void
75}
76
77; CHECK-LABEL: tls_size:
78; CHECK-NEXT: .functype tls_size () -> (i32)
79define i32 @tls_size() {
80; CHECK-NEXT: global.get __tls_size
81; CHECK-NEXT: return
82  %1 = call i32 @llvm.wasm.tls.size.i32()
83  ret i32 %1
84}
85
86; CHECK: .type tls,@object
87; TLS-NEXT: .section .tbss.tls,"T",@
88; NO-TLS-NEXT: .section .bss.tls,"",@
89; CHECK-NEXT: .p2align 2
90; CHECK-NEXT: tls:
91; CHECK-NEXT: .int32 0
92@tls = internal thread_local(localexec) global i32 0
93
94@tls_external = external thread_local(localexec) global i32, align 4
95
96declare i32 @llvm.wasm.tls.size.i32()
97