File: upgrade-frame-pointer.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (33 lines) | stat: -rw-r--r-- 1,397 bytes parent folder | download | duplicates (12)
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
;; Test that function attributes "no-frame-pointer-elim" ("true" or "false") and
;; "no-frame-pointer-elim-non-leaf" (value is ignored) can be upgraded to
;; "frame-pointer".

; RUN: llvm-as %s -o - | llvm-dis - | FileCheck %s

; CHECK: define void @all0() #0
define void @all0() "no-frame-pointer-elim"="true" { ret void }
; CHECK: define void @all1() #1
define void @all1() #0 { ret void }

; CHECK: define void @non_leaf0() #2
define void @non_leaf0() "no-frame-pointer-elim-non-leaf" { ret void }
; CHECK: define void @non_leaf1() #3
define void @non_leaf1() #1 { ret void }

; CHECK: define void @none() #4
define void @none() "no-frame-pointer-elim"="false" { ret void }

;; Don't add "frame-pointer" if neither "no-frame-pointer-elim" nor
;; "no-frame-pointer-elim-non-leaf" is present.
; CHECK: define void @no_attr() {
define void @no_attr() { ret void }

attributes #0 = { readnone "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" }
attributes #1 = { readnone "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf" }

;; Other attributes (e.g. readnone) are unaffected.
; CHECK: attributes #0 = { "frame-pointer"="all" }
; CHECK: attributes #1 = { memory(none) "frame-pointer"="all" }
; CHECK: attributes #2 = { "frame-pointer"="non-leaf" }
; CHECK: attributes #3 = { memory(none) "frame-pointer"="non-leaf" }
; CHECK: attributes #4 = { "frame-pointer"="none" }