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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 22; RUN: llc -global-isel=1 -mtriple=aarch64-linux-gnu -o - %s | FileCheck %s3 4declare void @use_addr(ptr)5declare ptr @llvm.stacksave.p0()6declare void @llvm.stackrestore.p0(ptr)7 8define void @test_scoped_alloca(i64 %n) {9; CHECK-LABEL: test_scoped_alloca:10; CHECK: // %bb.0:11; CHECK-NEXT: stp x29, x30, [sp, #-32]! // 16-byte Folded Spill12; CHECK-NEXT: str x19, [sp, #16] // 8-byte Spill13; CHECK-NEXT: mov x29, sp14; CHECK-NEXT: .cfi_def_cfa w29, 3215; CHECK-NEXT: .cfi_offset w19, -1616; CHECK-NEXT: .cfi_offset w30, -2417; CHECK-NEXT: .cfi_offset w29, -3218; CHECK-NEXT: add x9, x0, #1519; CHECK-NEXT: mov x8, sp20; CHECK-NEXT: mov x19, sp21; CHECK-NEXT: and x9, x9, #0xfffffffffffffff022; CHECK-NEXT: sub x0, x8, x923; CHECK-NEXT: mov sp, x024; CHECK-NEXT: bl use_addr25; CHECK-NEXT: mov sp, x1926; CHECK-NEXT: mov sp, x2927; CHECK-NEXT: ldr x19, [sp, #16] // 8-byte Reload28; CHECK-NEXT: ldp x29, x30, [sp], #32 // 16-byte Folded Reload29; CHECK-NEXT: ret30 %sp = call ptr @llvm.stacksave.p0()31 %addr = alloca i8, i64 %n32 call void @use_addr(ptr %addr)33 call void @llvm.stackrestore.p0(ptr %sp)34 ret void35}36