1// REQUIRES: x86
2// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
3// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/comdat.s -o %t2.o
4// RUN: ld.lld -shared %t.o %t2.o -o %t
5// RUN: llvm-objdump -d %t | FileCheck %s
6// RUN: llvm-readelf -S -s %t | FileCheck --check-prefix=READ %s
7
8// Check that we don't crash with --gc-section and that we print a list of
9// reclaimed sections on stderr.
10// RUN: ld.lld --gc-sections --print-gc-sections -shared %t.o %t.o %t2.o -o %t \
11// RUN:   2>&1 | FileCheck --check-prefix=GC %s
12// GC: removing unused section {{.*}}.o:(.text)
13// GC: removing unused section {{.*}}.o:(.text3)
14// GC: removing unused section {{.*}}.o:(.text)
15// GC: removing unused section {{.*}}.o:(.text)
16
17.globl foo
18        .section	.text2,"axG",@progbits,foo,comdat,unique,0
19foo:
20        nop
21
22// CHECK: Disassembly of section .text2:
23// CHECK-EMPTY:
24// CHECK-NEXT: <foo>:
25// CHECK-NEXT:   nop
26// CHECK-NOT: nop
27
28        .section bar, "ax"
29        call foo
30
31// CHECK: Disassembly of section bar:
32// CHECK-EMPTY:
33// CHECK-NEXT: <bar>:
34// CHECK-NEXT:   callq  {{.*}} <foo@plt>
35
36.weak zed
37zed:
38        .section .text3,"axG",@progbits,zed,comdat,unique,0
39
40# READ: .text2 PROGBITS {{.*}} AX
41# READ: .text3 PROGBITS {{.*}} AX
42
43# SYM:  NOTYPE LOCAL  DEFAULT UND
44# SYM:  NOTYPE LOCAL  HIDDEN  [[#]] _DYNAMIC
45# SYM:  NOTYPE GLOBAL DEFAULT [[#]] foo
46# SYM:  NOTYPE GLOBAL DEFAULT [[#]] zed
47# SYM:  NOTYPE GLOBAL DEFAULT UND   abc
48