File: addr-of-ret-addr.ll

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (19 lines) | stat: -rw-r--r-- 631 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
; RUN: llc < %s -disable-fp-elim -mtriple=i686-- | FileCheck %s --check-prefix=CHECK-X86
; RUN: llc < %s -disable-fp-elim -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