File: machine-outliner-outline-bti.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 (22 lines) | stat: -rw-r--r-- 585 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
; RUN: llc -mtriple aarch64 < %s | FileCheck %s

; The BTI instruction cannot be outlined, because it needs to be the very first
; instruction executed after an indirect call.

@g = hidden global i32 0, align 4

define hidden void @foo() minsize "branch-target-enforcement"="true" {
entry:
; CHECK: hint #34
; CHECK: b       OUTLINED_FUNCTION_0
  store volatile i32 1, ptr @g, align 4
  ret void
}

define hidden void @bar() minsize "branch-target-enforcement"="true" {
entry:
; CHECK: hint #34
; CHECK: b       OUTLINED_FUNCTION_0
  store volatile i32 1, ptr @g, align 4
  ret void
}