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1# RUN: llc -mtriple=aarch64--linux-gnu -mattr=+sve -start-before=localstackalloc -stop-after=prologepilog -o - %s | FileCheck %s2 3--- |4 @__stack_chk_guard = external global ptr5 define i32 @main(i32, ptr) {6 %StackGuardSlot = alloca ptr7 unreachable8 }9...10---11name: main12tracksRegLiveness: true13frameInfo:14# CHECK: stackSize: 54415# CHECK: localFrameSize: 51616 stackProtector: '%stack.3.StackGuardSlot'17stack:18# Stack objects 0 and 1 should end up in the local stack area, objects 2 and 319# should end up in the SVE stack area with 3 (the stack guard) on top.20 - { id: 0, size: 512, alignment: 1, stack-id: default }21# CHECK: - { id: 0, name: '', type: default, offset: -528, size: 512, alignment: 1,22# CHECK-NEXT: stack-id: default, callee-saved-register: '', callee-saved-restored: true,23# CHECK-NEXT: local-offset: -512, debug-info-variable: '', debug-info-expression: '',24# CHECK-NEXT: debug-info-location: '' }25 - { id: 1, size: 4, alignment: 4, stack-id: default }26# CHECK: - { id: 1, name: '', type: default, offset: -532, size: 4, alignment: 4,27# CHECK-NEXT: stack-id: default, callee-saved-register: '', callee-saved-restored: true,28# CHECK-NEXT: local-offset: -516, debug-info-variable: '', debug-info-expression: '',29# CHECK-NEXT: debug-info-location: '' }30 - { id: 2, size: 16, alignment: 16, stack-id: scalable-vector }31# CHECK: - { id: 2, name: '', type: default, offset: -32, size: 16, alignment: 16,32# CHECK-NEXT: stack-id: scalable-vector, callee-saved-register: '', callee-saved-restored: true,33# CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }34 - { id: 3, name: StackGuardSlot, size: 8, alignment: 16, stack-id: scalable-vector }35# CHECK: - { id: 3, name: StackGuardSlot, type: default, offset: -16, size: 8,36# CHECK-NEXT: alignment: 16, stack-id: scalable-vector, callee-saved-register: '',37# CHECK-NEXT: callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '',38# CHECK-NEXT: debug-info-location: '' }39body: |40 bb.0:41 %25:gpr64common = LOAD_STACK_GUARD :: (dereferenceable invariant load (s64) from @__stack_chk_guard)42 STRXui killed %25, %stack.3.StackGuardSlot, 0 :: (volatile store (s64) into %stack.3.StackGuardSlot)43 %28:gpr64 = LDRXui %stack.3.StackGuardSlot, 0 :: (volatile load (s64) from %stack.3.StackGuardSlot)44 %29:gpr64common = LOAD_STACK_GUARD :: (dereferenceable invariant load (s64) from @__stack_chk_guard)45 RET_ReallyLR implicit undef $w0, implicit killed %28, implicit killed %2946 47...48