File: empty-functions.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (24 lines) | stat: -rw-r--r-- 760 bytes parent folder | download | duplicates (25) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
; RUN: llc < %s -mtriple=sparc-linux-gnu | FileCheck -check-prefix=LINUX-NO-FP %s
; RUN: llc < %s -mtriple=sparc-linux-gnu -frame-pointer=all | FileCheck -check-prefix=LINUX-FP %s

define void @func() {
entry:
  unreachable
}

; An empty function is perfectly fine on ELF.
; LINUX-NO-FP: func:
; LINUX-NO-FP-NEXT: .cfi_startproc
; LINUX-NO-FP-NEXT: {{^}}!
; LINUX-NO-FP-NEXT: {{^}}.L{{.*}}:{{$}}
; LINUX-NO-FP-NEXT: .size   func, .L{{.*}}-func
; LINUX-NO-FP-NEXT: .cfi_endproc

; A cfi directive cannot point to the end of a function.
; LINUX-FP: func:
; LINUX-FP-NEXT: .cfi_startproc
; LINUX-FP-NEXT: {{^}}!
; LINUX-FP-NEXT: save %sp, -96, %sp
; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}}
; LINUX-FP-NEXT: .size   func, .Lfunc_end0-func
; LINUX-FP-NEXT: .cfi_endproc