File: pacbti-m-unsupported-arch.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (25 lines) | stat: -rw-r--r-- 843 bytes parent folder | download | duplicates (7)
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
; RUN: llc -mtriple thumbv6m-eabi      %s -o - | FileCheck %s
; RUN: llc -mtriple thumbv8m.base-eabi %s -o - | FileCheck %s
; RUN: llc -mtriple thumbv7a-eabi %s      -o - | FileCheck %s
; RUN: llc -mtriple thumbv7m-eabi      %s -o - | FileCheck %s --check-prefix=CHECK-PACBTI

; Check we don't emit PACBTI-M instructions for architectures
; that do not support them.
define hidden i32 @f(i32 %x) #0 {
entry:
  %x.addr = alloca i32, align 4
  store i32 %x, ptr %x.addr, align 4
  %0 = load i32, ptr %x.addr, align 4
  %sub = sub nsw i32 1, %0
  %call = call i32 @g(i32 %sub)
  %add = add nsw i32 1, %call
  ret i32 %add
}
; CHECK-LABEL: f:
; CHECK-NOT:   bti

; CHECK-PACBTI-LABEL: f:
; CHECK-PACBTI:       pacbti
declare dso_local i32 @g(i32)

attributes #0 = { noinline nounwind "sign-return-address"="non-leaf" "branch-target-enforcement" }