[llvm] Do not replace dead constant references in metadata with undef
[llvm-project.git] / lld / test / ELF / linkerscript / sort.s
blob730076044bac4bac67fd8cc21440df6fcf9e1db4
1 # REQUIRES: x86
2 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1.o
3 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux \
4 # RUN: %p/Inputs/sort.s -o %t2.o
6 # RUN: echo "SECTIONS { .aaa : { *(.aaa.*) } }" > %t1.script
7 # RUN: ld.lld -o %t1 --script %t1.script %t2.o %t1.o
8 # RUN: llvm-objdump -s %t1 | FileCheck --check-prefix=UNSORTED %s
9 # UNSORTED: Contents of section .aaa:
10 # UNSORTED-NEXT: 55000000 00000000 00000000 00000000
11 # UNSORTED-NEXT: 00000000 00000000 00000000 00000000
12 # UNSORTED-NEXT: 11000000 00000000 33000000 00000000
13 # UNSORTED-NEXT: 22000000 00000000 44000000 00000000
14 # UNSORTED-NEXT: 05000000 00000000 01000000 00000000
15 # UNSORTED-NEXT: 03000000 00000000 02000000 00000000
16 # UNSORTED-NEXT: 04000000 00000000
18 ## Check that SORT works (sorted by name of section).
19 # RUN: echo "SECTIONS { .aaa : { *(SORT(.aaa.*)) } }" > %t2.script
20 # RUN: ld.lld -o %t2 --script %t2.script %t2.o %t1.o
21 # RUN: llvm-objdump -s %t2 | FileCheck --check-prefix=SORTED_A %s
22 # SORTED_A: Contents of section .aaa:
23 # SORTED_A-NEXT: 11000000 00000000 01000000 00000000
24 # SORTED_A-NEXT: 22000000 00000000 02000000 00000000
25 # SORTED_A-NEXT: 33000000 00000000 03000000 00000000
26 # SORTED_A-NEXT: 44000000 00000000 00000000 00000000
27 # SORTED_A-NEXT: 04000000 00000000 55000000 00000000
28 # SORTED_A-NEXT: 00000000 00000000 00000000 00000000
29 # SORTED_A-NEXT: 05000000 00000000
31 ## When we switch the order of files, check that sorting by
32 ## section names is stable.
33 # RUN: echo "SECTIONS { .aaa : { *(SORT(.aaa.*)) } }" > %t3.script
34 # RUN: ld.lld -o %t3 --script %t3.script %t1.o %t2.o
35 # RUN: llvm-objdump -s %t3 | FileCheck --check-prefix=SORTED_B %s
36 # SORTED_B: Contents of section .aaa:
37 # SORTED_B-NEXT: 01000000 00000000 00000000 00000000
38 # SORTED_B-NEXT: 00000000 00000000 00000000 00000000
39 # SORTED_B-NEXT: 11000000 00000000 02000000 00000000
40 # SORTED_B-NEXT: 22000000 00000000 03000000 00000000
41 # SORTED_B-NEXT: 33000000 00000000 00000000 00000000
42 # SORTED_B-NEXT: 04000000 00000000 44000000 00000000
43 # SORTED_B-NEXT: 05000000 00000000 55000000 00000000
45 ## Check that SORT surrounded with KEEP also works.
46 # RUN: echo "SECTIONS { .aaa : { KEEP (*(SORT(.aaa.*))) } }" > %t3.script
47 # RUN: ld.lld -o %t3 --script %t3.script %t2.o %t1.o
48 # RUN: llvm-objdump -s %t3 | FileCheck --check-prefix=SORTED_A %s
50 ## Check that SORT_BY_NAME works (SORT is alias).
51 # RUN: echo "SECTIONS { .aaa : { *(SORT_BY_NAME(.aaa.*)) } }" > %t4.script
52 # RUN: ld.lld -o %t4 --script %t4.script %t2.o %t1.o
53 # RUN: llvm-objdump -s %t4 | FileCheck --check-prefix=SORTED_A %s
55 ## Check that sections ordered by alignment.
56 # RUN: echo "SECTIONS { .aaa : { *(SORT_BY_ALIGNMENT(.aaa.*)) } }" > %t5.script
57 # RUN: ld.lld -o %t5 --script %t5.script %t1.o %t2.o
58 # RUN: llvm-objdump -s %t5 | FileCheck --check-prefix=SORTED_ALIGNMENT %s
59 # SORTED_ALIGNMENT: Contents of section .aaa:
60 # SORTED_ALIGNMENT-NEXT: 05000000 00000000 00000000 00000000
61 # SORTED_ALIGNMENT-NEXT: 00000000 00000000 00000000 00000000
62 # SORTED_ALIGNMENT-NEXT: 11000000 00000000 00000000 00000000
63 # SORTED_ALIGNMENT-NEXT: 04000000 00000000 00000000 00000000
64 # SORTED_ALIGNMENT-NEXT: 22000000 00000000 03000000 00000000
65 # SORTED_ALIGNMENT-NEXT: 33000000 00000000 02000000 00000000
66 # SORTED_ALIGNMENT-NEXT: 44000000 00000000 01000000 00000000
67 # SORTED_ALIGNMENT-NEXT: 55000000 00000000
69 ## SORT_NONE itself does not sort anything.
70 # RUN: echo "SECTIONS { .aaa : { *(SORT_NONE(.aaa.*)) } }" > %t6.script
71 # RUN: ld.lld -o %t7 --script %t6.script %t2.o %t1.o
72 # RUN: llvm-objdump -s %t7 | FileCheck --check-prefix=UNSORTED %s
74 ## Check --sort-section alignment option.
75 # RUN: echo "SECTIONS { .aaa : { *(.aaa.*) } }" > %t7.script
76 # RUN: ld.lld --sort-section alignment -o %t8 --script %t7.script %t1.o %t2.o
77 # RUN: llvm-objdump -s %t8 | FileCheck --check-prefix=SORTED_ALIGNMENT %s
79 ## Check --sort-section= form.
80 # RUN: ld.lld --sort-section=alignment -o %t8_1 --script %t7.script %t1.o %t2.o
81 # RUN: llvm-objdump -s %t8_1 | FileCheck --check-prefix=SORTED_ALIGNMENT %s
83 ## Check --sort-section name option.
84 # RUN: echo "SECTIONS { .aaa : { *(.aaa.*) } }" > %t8.script
85 # RUN: ld.lld --sort-section name -o %t9 --script %t8.script %t1.o %t2.o
86 # RUN: llvm-objdump -s %t9 | FileCheck --check-prefix=SORTED_B %s
88 ## SORT_NONE disables the --sort-section.
89 # RUN: echo "SECTIONS { .aaa : { *(SORT_NONE(.aaa.*)) } }" > %t9.script
90 # RUN: ld.lld --sort-section name -o %t10 --script %t9.script %t2.o %t1.o
91 # RUN: llvm-objdump -s %t10 | FileCheck --check-prefix=UNSORTED %s
93 ## SORT_NONE as a inner sort directive.
94 # RUN: echo "SECTIONS { .aaa : { *(SORT_BY_NAME(SORT_NONE(.aaa.*))) } }" > %t10.script
95 # RUN: ld.lld -o %t11 --script %t10.script %t2.o %t1.o
96 # RUN: llvm-objdump -s %t11 | FileCheck --check-prefix=SORTED_A %s
98 .global _start
99 _start:
102 .section .aaa.5, "a"
103 .align 32
104 .quad 5
106 .section .aaa.1, "a"
107 .align 2
108 .quad 1
110 .section .aaa.3, "a"
111 .align 8
112 .quad 3
114 .section .aaa.2, "a"
115 .align 4
116 .quad 2
118 .section .aaa.4, "a"
119 .align 16
120 .quad 4