1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
;; Test that weak undefined symbols do not fetch members from archive files.
; RUN: llc -filetype=obj %s -o %t.o
; RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/ret32.s -o %t.ret32.o
; RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/hello.s -o %t.hello.o
; RUN: rm -f %t.a
; RUN: llvm-ar rcs %t.a %t.ret32.o %t.hello.o
; RUN: wasm-ld %t.o %t.a -o %t.wasm
; RUN: obj2yaml %t.wasm | FileCheck %s
;; Also test with the library symbols being read first
; RUN: wasm-ld %t.a %t.o -o %t2.wasm
; RUN: obj2yaml %t2.wasm | FileCheck %s
; RUN: wasm-ld -u hello_str %t.o %t.a -o %t2.wasm
; RUN: obj2yaml %t2.wasm | FileCheck %s -check-prefix=CHECK-DATA
target triple = "wasm32-unknown-unknown"
; Weak external function symbol
declare extern_weak i32 @ret32()
; Weak external data symbol
@hello_str = extern_weak global i8*, align 4
define void @_start() {
br i1 icmp ne (i8** @hello_str, i8** null), label %if.then, label %if.end
if.then:
%call1 = call i32 @ret32()
br label %if.end
if.end:
ret void
}
; Ensure we have no data section. If we do, would mean that hello_str was
; pulled out of the library.
; CHECK-NOT: Type: DATA
; CHECK-DATA: Type: DATA
; CHECK: Name: 'undefined_weak:ret32'
; CHECK-NOT: Name: ret32
|
