; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 ; RUN: llc -mtriple=aarch64-windows-msvc -aarch64-streaming-hazard-size=0 -mattr=+sve,+sme < %s | FileCheck %s ; RUN: llc -mtriple=aarch64-windows-msvc -aarch64-streaming-hazard-size=0 -mattr=+sve,+sme -aarch64-new-sme-abi < %s | FileCheck %s declare void @private_za_callee() declare void @shared_za_callee() "aarch64_inout_za" define void @test_lazy_save() nounwind "aarch64_inout_za" { ; CHECK-LABEL: test_lazy_save: ; CHECK: // %bb.0: ; CHECK-NEXT: stp x30, x29, [sp, #-32]! // 16-byte Folded Spill ; CHECK-NEXT: str x19, [sp, #16] // 8-byte Folded Spill ; CHECK-NEXT: mov x29, sp ; CHECK-NEXT: sub sp, sp, #16 ; CHECK-NEXT: rdsvl x8, #1 ; CHECK-NEXT: mul x9, x8, x8 ; CHECK-NEXT: lsr x15, x9, #4 ; CHECK-NEXT: bl __chkstk ; CHECK-NEXT: sub x9, sp, x15, lsl #4 ; CHECK-NEXT: mov sp, x9 ; CHECK-NEXT: sub x10, x29, #16 ; CHECK-NEXT: stp x9, x8, [x29, #-16] ; CHECK-NEXT: msr TPIDR2_EL0, x10 ; CHECK-NEXT: bl private_za_callee ; CHECK-NEXT: smstart za ; CHECK-NEXT: mrs x8, TPIDR2_EL0 ; CHECK-NEXT: sub x0, x29, #16 ; CHECK-NEXT: cbnz x8, .LBB0_2 ; CHECK-NEXT: // %bb.1: ; CHECK-NEXT: bl __arm_tpidr2_restore ; CHECK-NEXT: .LBB0_2: ; CHECK-NEXT: msr TPIDR2_EL0, xzr ; CHECK-NEXT: mov sp, x29 ; CHECK-NEXT: ldr x19, [sp, #16] // 8-byte Folded Reload ; CHECK-NEXT: ldp x30, x29, [sp], #32 // 16-byte Folded Reload ; CHECK-NEXT: ret call void @private_za_callee() ret void }