; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 ; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sme -O0 < %s | FileCheck %s ; Example of locally streaming function that (at -O0) must preserve the LR (X30) ; before calling __arm_get_current_vg. define void @foo() "aarch64_pstate_sm_body" { ; CHECK-LABEL: foo: ; CHECK: // %bb.0: ; CHECK-NEXT: stp d15, d14, [sp, #-96]! // 16-byte Folded Spill ; CHECK-NEXT: .cfi_def_cfa_offset 96 ; CHECK-NEXT: stp d13, d12, [sp, #16] // 16-byte Folded Spill ; CHECK-NEXT: stp d11, d10, [sp, #32] // 16-byte Folded Spill ; CHECK-NEXT: stp d9, d8, [sp, #48] // 16-byte Folded Spill ; CHECK-NEXT: stp x29, x30, [sp, #64] // 16-byte Folded Spill ; CHECK-NEXT: bl __arm_get_current_vg ; CHECK-NEXT: str x0, [sp, #80] // 8-byte Spill ; CHECK-NEXT: .cfi_offset vg, -16 ; CHECK-NEXT: .cfi_offset w30, -24 ; CHECK-NEXT: .cfi_offset w29, -32 ; CHECK-NEXT: .cfi_offset b8, -40 ; CHECK-NEXT: .cfi_offset b9, -48 ; CHECK-NEXT: .cfi_offset b10, -56 ; CHECK-NEXT: .cfi_offset b11, -64 ; CHECK-NEXT: .cfi_offset b12, -72 ; CHECK-NEXT: .cfi_offset b13, -80 ; CHECK-NEXT: .cfi_offset b14, -88 ; CHECK-NEXT: .cfi_offset b15, -96 ; CHECK-NEXT: smstart sm ; CHECK-NEXT: smstop sm ; CHECK-NEXT: ldp x29, x30, [sp, #64] // 16-byte Folded Reload ; CHECK-NEXT: ldp d9, d8, [sp, #48] // 16-byte Folded Reload ; CHECK-NEXT: ldp d11, d10, [sp, #32] // 16-byte Folded Reload ; CHECK-NEXT: ldp d13, d12, [sp, #16] // 16-byte Folded Reload ; CHECK-NEXT: ldp d15, d14, [sp], #96 // 16-byte Folded Reload ; CHECK-NEXT: .cfi_def_cfa_offset 0 ; CHECK-NEXT: .cfi_restore vg ; CHECK-NEXT: .cfi_restore w30 ; CHECK-NEXT: .cfi_restore w29 ; CHECK-NEXT: .cfi_restore b8 ; CHECK-NEXT: .cfi_restore b9 ; CHECK-NEXT: .cfi_restore b10 ; CHECK-NEXT: .cfi_restore b11 ; CHECK-NEXT: .cfi_restore b12 ; CHECK-NEXT: .cfi_restore b13 ; CHECK-NEXT: .cfi_restore b14 ; CHECK-NEXT: .cfi_restore b15 ; CHECK-NEXT: ret ret void }