1# REQUIRES: x86
2
3# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
4# RUN: ld.lld %t -o %t2 --icf=all --print-icf-sections | FileCheck %s
5# RUN: ld.lld %t -o %t2 --keep-unique f2 --keep-unique f4 --keep-unique f5 --icf=all --print-icf-sections 2>&1 | FileCheck %s -check-prefix=CHECK-KEEP
6
7// Base case, expect only .text.f1 to be kept
8// CHECK: selected section {{.*}}:(.text.f1)
9// CHECK-NEXT:   removing identical section {{.*}}:(.text.f2)
10// CHECK-NEXT:   removing identical section {{.*}}:(.text.f3)
11// CHECK-NEXT:   removing identical section {{.*}}:(.text.f4)
12// CHECK-NEXT:   removing identical section {{.*}}:(.text.f5)
13
14// With --keep-unique f2, f4 and f5 we expect only f3 and f5 to be removed.
15// f5 is not matched by --keep-unique as it is a local symbol.
16// CHECK-KEEP: warning: could not find symbol f5 to keep unique
17// CHECK-KEEP: selected section {{.*}}:(.text.f1)
18// CHECK-KEEP-NEXT:   removing identical section {{.*}}:(.text.f3)
19// CHECK-KEEP-NEXT:   removing identical section {{.*}}:(.text.f5)
20 .globl _start, f1, f2, f3, f4
21_start:
22 ret
23
24 .section .text.f1, "ax"
25f1:
26 nop
27
28 .section .text.f2, "ax"
29f2:
30 nop
31
32.section .text.f3, "ax"
33f3:
34 nop
35
36.section .text.f4, "ax"
37f4:
38 nop
39
40# f5 is local, not found by --keep-unique f5
41.section .text.f5, "ax"
42f5:
43 nop
44