File: addr-of-ret-addr.ll

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llvm-toolchain-13 1%3A13.0.1-6~deb11u1
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; RUN: llc < %s -frame-pointer=all -mtriple=i686-- | FileCheck %s --check-prefix=CHECK-X86
; RUN: llc < %s -frame-pointer=all -mtriple=x86_64-- | FileCheck %s --check-prefix=CHECK-X64

define i8* @f() nounwind readnone optsize {
entry:
  %0 = tail call i8* @llvm.addressofreturnaddress()    ; <i8*> [#uses=1]
  ret i8* %0
  ; CHECK-X86-LABEL: f:
  ; CHECK-X86: pushl   %ebp
  ; CHECK-X86: movl    %esp, %ebp
  ; CHECK-X86: leal    4(%ebp), %eax
  
  ; CHECK-X64-LABEL: f:
  ; CHECK-X64: pushq   %rbp
  ; CHECK-X64: movq    %rsp, %rbp
  ; CHECK-X64: leaq    8(%rbp), %rax
}

declare i8* @llvm.addressofreturnaddress() nounwind readnone