File: symbol-ordering-file-icf.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 (32 lines) | stat: -rw-r--r-- 717 bytes parent folder | download | duplicates (21) 
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
 
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
# RUN: echo "zed" > %t.order
# RUN: echo "bar" >> %t.order
# RUN: echo "foo" >> %t.order
# RUN: ld.lld --icf=all --symbol-ordering-file %t.order -shared %t.o -o %t.so
# RUN: llvm-nm %t.so | FileCheck %s

## Check that after ICF merges 'foo' and 'zed' we still
## place them before 'bar', in according to ordering file.
# CHECK-DAG: 0000000000001288 T foo
# CHECK-DAG: 0000000000001288 T zed
# CHECK-DAG: 000000000000128c T bar

.section .text.foo,"ax",@progbits
.align 4
.global foo
foo:
  retq

.section .text.bar,"ax",@progbits
.align 4
.global bar
bar:
  nop
  retq

.section .text.zed,"ax",@progbits
.align 4
.global zed
zed:
  retq