File: elf-associated-discarded.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (23 lines) | stat: -rw-r--r-- 843 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
;; Test that we keep SHF_LINK_ORDER but reset sh_link to 0 if the associated
;; symbol is not defined.
; RUN: llc -mtriple=x86_64 -data-sections=1 < %s | FileCheck %s
; RUN: llc -filetype=obj -mtriple=x86_64 -data-sections=1 < %s | llvm-readelf -S - | FileCheck --check-prefix=SEC %s

;; FIXME The assembly output cannot be assembled because foo is not defined.
;; This is difficult to fix because we allow loops (see elf-associated.ll
;; .data.c and .data.d).
; CHECK: .section .data.a,"awo",@progbits,foo
; CHECK: .section .data.b,"awo",@progbits,foo

;; No 'L' (SHF_LINK_ORDER). sh_link=0.
; SEC: Name    {{.*}} Flg Lk Inf
; SEC: .data.a {{.*}} WAL  0   0
; SEC: .data.b {{.*}} WAL  0   0

;; The definition may be discarded by LTO.
declare void @foo()

@a = global i32 1, !associated !0
@b = global i32 1, !associated !0

!0 = !{ptr @foo}