1# REQUIRES: x86
2# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
3
4# RUN: ld.lld %t.o -o %t
5# RUN: llvm-readelf -S %t | FileCheck --check-prefix=SEC %s
6# RUN: llvm-readelf -x .cst %t | FileCheck --check-prefix=HEX %s
7
8# RUN: ld.lld -O0 -r %t.o -o %t1.o
9# RUN: llvm-readelf -S %t1.o | FileCheck --check-prefix=SEC %s
10# RUN: llvm-readelf -x .cst %t1.o | FileCheck --check-prefix=HEX %s
11
12## Check that SHF_MERGE sections with the same name, sh_flags and sh_entsize
13## are grouped together and can be merged within the group.
14
15## .cst 0 and .cst 1 are merged (sh_entsize=4). The result and .cst 2 and
16## combined (sh_entsize=8). The output sh_entsize is 0.
17# SEC:   Name  Type     {{.*}} Size   ES Flg Lk Inf Al
18# SEC:   .cst  PROGBITS {{.*}} 000020 00  AM  0   0  8
19
20# HEX:      Hex dump of section '.cst':
21# HEX-NEXT: 0x{{[0-9a-f]+}} 01000000 00000000 02000000 00000000
22# HEX-NEXT: 0x{{[0-9a-f]+}} 01000000 00000000 03000000 00000000
23
24.section .cst,"aM",@progbits,4,unique,0
25.align 2
26.long 1
27.long 0
28.long 2
29
30.section .cst,"aM",@progbits,4,unique,1
31.align 4
32.long 1
33.long 0
34.long 2
35
36.section .cst,"aM",@progbits,8,unique,2
37.align 8
38.quad 1
39.quad 3
40