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; 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
}
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