xref: /llvm-project/lld/test/wasm/startstop.ll (revision 8b0f47bfa4b6aa1bafa10261444c93aba5a2d31d)
1; RUN: llc -filetype=obj -o %t.o %s
2; RUN: llc -filetype=obj %p/Inputs/explicit-section.ll -o %t2.o
3; RUN: wasm-ld --export=get_start --export=get_end --export=foo --export=var1 %t.o %t2.o -o %t.wasm
4; RUN: obj2yaml %t.wasm | FileCheck %s
5; RUN: llvm-objdump -d --no-show-raw-insn %t.wasm | FileCheck %s --check-prefix=ASM
6
7target triple = "wasm32-unknown-unknown"
8
9@foo = global i32 3, section "mysection", align 4
10@bar = global i32 4, section "mysection", align 4
11
12@__start_mysection = external global ptr
13@__stop_mysection = external global ptr
14
15define ptr @get_start() {
16  ret ptr @__start_mysection
17}
18
19define ptr @get_end() {
20  ret ptr @__stop_mysection
21}
22
23define void @_start()  {
24entry:
25  ret void
26}
27
28;      CHECK:   - Type:            DATA
29; CHECK-NEXT:     Segments:
30; CHECK-NEXT:       - SectionOffset:   7
31; CHECK-NEXT:         InitFlags:       0
32; CHECK-NEXT:         Offset:
33; CHECK-NEXT:           Opcode:          I32_CONST
34; CHECK-NEXT:           Value:           1024
35; CHECK-NEXT:         Content:         03000000040000002A0000002B000000
36
37;       ASM: 0000006e <get_start>:
38; ASM-EMPTY:
39;  ASM-NEXT:        70:     i32.const 1024
40;  ASM-NEXT:        76:     end
41
42;       ASM: 00000077 <get_end>:
43; ASM-EMPTY:
44;  ASM-NEXT:        79:     i32.const 1040
45;  ASM-NEXT:       7f:     end
46