1; Test in default mode
2; RUN: llc -filetype=obj %s -o %t.o
3; RUN: not wasm-ld --export=missing -o %t.wasm %t.o 2>&1 | FileCheck -check-prefix=CHECK-ERROR %s
4; RUN: wasm-ld --export=hidden_function -o %t.wasm %t.o
5; RUN: obj2yaml %t.wasm | FileCheck %s
6
7; Now test in Emscripten mode
8; RUN: llc -filetype=obj %s -o %t.o -mtriple=wasm32-unknown-emscripten
9; RUN: not wasm-ld --export=missing -o %t.wasm %t.o 2>&1 | FileCheck -check-prefix=CHECK-ERROR %s
10; RUN: wasm-ld --export=hidden_function -o %t.wasm %t.o
11; RUN: obj2yaml %t.wasm | FileCheck %s --check-prefixes=CHECK,EMSCRIPTEN
12
13target triple = "wasm32-unknown-unknown"
14
15@llvm.used = appending global [1 x i8*] [i8* bitcast (i32 ()* @used_function to i8*)], section "llvm.metadata"
16
17; Not exported by default, but forced via commandline
18define hidden i32 @hidden_function() local_unnamed_addr {
19entry:
20  ret i32 0
21}
22
23; Not exported by default
24define i32 @default_function() local_unnamed_addr {
25entry:
26  ret i32 0
27}
28
29; Exported because its part of llvm.used
30define i32 @used_function() local_unnamed_addr {
31entry:
32  ret i32 0
33}
34
35; Exported by default
36define void @_start() local_unnamed_addr {
37entry:
38  ret void
39}
40
41; CHECK-ERROR: error: symbol exported via --export not found: missing
42
43; CHECK-NOT: - Name: default_function
44
45; CHECK:        - Type:            EXPORT
46; CHECK-NEXT:     Exports:
47; CHECK-NEXT:       - Name:            memory
48; CHECK-NEXT:         Kind:            MEMORY
49; CHECK-NEXT:         Index:           0
50; CHECK-NEXT:       - Name:            hidden_function
51; CHECK-NEXT:         Kind:            FUNCTION
52; CHECK-NEXT:         Index:           0
53; EMSCRIPTEN-NEXT:  - Name:            used_function
54; EMSCRIPTEN-NEXT:    Kind:            FUNCTION
55; EMSCRIPTEN-NEXT:    Index:           1
56; CHECK-NEXT:       - Name:            _start
57; CHECK-NEXT:         Kind:            FUNCTION
58; CHECK-NEXT:         Index:           2
59; CHECK-NEXT:   - Type:            CODE
60