File: arm64-fastcc-tailcall.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 (24 lines) | stat: -rw-r--r-- 592 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
 
; RUN: llc < %s -mtriple=arm64-eabi | FileCheck %s

define void @caller(ptr nocapture %p, i32 %a, i32 %b) nounwind optsize ssp {
; CHECK-NOT: stp
; CHECK: b       {{_callee|callee}}
; CHECK-NOT: ldp
; CHECK: ret
  %1 = icmp eq i32 %b, 0
  br i1 %1, label %3, label %2

  tail call fastcc void @callee(ptr %p, i32 %a) optsize
  br label %3

  ret void
}

define internal fastcc void @callee(ptr nocapture %p, i32 %a) nounwind optsize noinline ssp {
  store volatile i32 %a, ptr %p, align 4, !tbaa !0
  ret void
}

!0 = !{!"int", !1}
!1 = !{!"omnipotent char", !2}
!2 = !{!"Simple C/C++ TBAA"}