1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
3 ;; Testing that x18 is backed up and restored, and that x29 (if used) still
4 ;; points to the x29,x30 pair on the stack.
6 ; RUN: llc < %s -mtriple=aarch64-linux-gnu --frame-pointer=non-leaf | FileCheck %s
7 ; RUN: llc < %s -mtriple=aarch64-linux-gnu --frame-pointer=non-leaf -mattr=+reserve-x18 | FileCheck %s
9 declare dso_local void @other()
11 define dso_local win64cc void @func() #0 {
13 ; CHECK: // %bb.0: // %entry
14 ; CHECK-NEXT: stp x29, x30, [sp, #-32]! // 16-byte Folded Spill
15 ; CHECK-NEXT: str x18, [sp, #16] // 8-byte Folded Spill
16 ; CHECK-NEXT: mov x29, sp
17 ; CHECK-NEXT: bl other
18 ; CHECK-NEXT: ldr x18, [sp, #16] // 8-byte Folded Reload
19 ; CHECK-NEXT: ldp x29, x30, [sp], #32 // 16-byte Folded Reload
22 tail call void @other()
26 attributes #0 = { nounwind }