File: icf9.s

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (33 lines) | stat: -rw-r--r-- 995 bytes parent folder | download | duplicates (30) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
 
# REQUIRES: x86

### Make sure that we do not merge data.
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
# RUN: ld.lld %t -o %t2 --icf=all --print-icf-sections 2>&1 | FileCheck -allow-empty %s
# RUN: llvm-readelf -S -W %t2 | FileCheck --check-prefix=SEC %s

# SEC:  .rodata      PROGBITS  0000000000200120 000120 000002 00 A 0 0 1

# CHECK-NOT: selected section {{.*}}:(.rodata.d1)
# CHECK-NOT: selected section {{.*}}:(.rodata.d2)

# We do merge rodata if passed --icf-data
# RUN: ld.lld %t -o %t2 --icf=all --print-icf-sections --ignore-data-address-equality | \
# RUN:   FileCheck --check-prefix=DATA %s
# RUN: llvm-readelf -S -W %t2 | FileCheck --check-prefix=DATA-SEC %s

# DATA: selected section {{.*}}:(.rodata.d1)
# DATA:   removing identical section {{.*}}:(.rodata.d2)

# DATA-SEC:  .rodata      PROGBITS  0000000000200120 000120 000001 00 A 0 0 1

.globl _start, d1, d2
_start:
  ret

.section .rodata.d1, "a"
d1:
  .byte 1

.section .rodata.d2, "a"
d2:
  .byte 1