xref: /llvm-project/lld/test/MachO/lto-obj-weak-def.ll (revision b35e0d0cf355426031101c743d2ba80af79c06ac)
1; REQUIRES: x86
2
3;; Verify that we successfully merge weak definitions across bitcode and regular
4;; assembly files, even when EH frames are present. We would previously
5;; segfault.
6
7; RUN: rm -rf %t; split-file %s %t
8; RUN: llvm-as %t/foo-1.ll -o %t/foo-1.o
9
10;; When changing the assembly input, uncomment these lines to re-generate the
11;; YAML.
12; COM: llvm-mc --emit-dwarf-unwind=always -filetype=obj -triple=x86_64-apple-darwin %t/foo-2.s -o %t/foo-2.o
13; COM: ld -r %t/foo-2.o -o %t/foo-2-r.o
14; COM: obj2yaml %t/foo-2-r.o -o %S/Inputs/lto-obj-weak-def.yaml
15
16; RUN: yaml2obj %S/Inputs/lto-obj-weak-def.yaml -o %t/foo-2-r.o
17; RUN: %lld -lSystem -dylib %t/foo-1.o %t/foo-2-r.o -o /dev/null
18
19;--- foo-1.ll
20
21target triple = "x86_64-apple-macosx10.15.0"
22target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
23
24define weak void @foo() {
25  ret void
26}
27
28;--- foo-2.s
29.globl _foo
30.weak_definition _foo
31_foo:
32  .cfi_startproc
33  .cfi_def_cfa_offset 8
34  ret
35  .cfi_endproc
36