27 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2 3;; Testing that x18 is backed up and restored, and that x29 (if used) still4;; points to the x29,x30 pair on the stack.5 6; RUN: llc < %s -mtriple=aarch64-linux-gnu --frame-pointer=non-leaf | FileCheck %s7; RUN: llc < %s -mtriple=aarch64-linux-gnu --frame-pointer=non-leaf -mattr=+reserve-x18 | FileCheck %s8 9declare dso_local void @other()10 11define dso_local win64cc void @func() #0 {12; CHECK-LABEL: func:13; CHECK: // %bb.0: // %entry14; CHECK-NEXT: stp x29, x30, [sp, #-32]! // 16-byte Folded Spill15; CHECK-NEXT: str x18, [sp, #16] // 8-byte Spill16; CHECK-NEXT: mov x29, sp17; CHECK-NEXT: bl other18; CHECK-NEXT: ldr x18, [sp, #16] // 8-byte Reload19; CHECK-NEXT: ldp x29, x30, [sp], #32 // 16-byte Folded Reload20; CHECK-NEXT: ret21entry:22 tail call void @other()23 ret void24}25 26attributes #0 = { nounwind }27