1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 2; RUN: llc -global-isel=1 -mtriple=aarch64-linux-gnu -o - %s | FileCheck %s 3 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 Spill 12; CHECK-NEXT: str x19, [sp, #16] // 8-byte Folded Spill 13; CHECK-NEXT: mov x29, sp 14; CHECK-NEXT: .cfi_def_cfa w29, 32 15; CHECK-NEXT: .cfi_offset w19, -16 16; CHECK-NEXT: .cfi_offset w30, -24 17; CHECK-NEXT: .cfi_offset w29, -32 18; CHECK-NEXT: add x9, x0, #15 19; CHECK-NEXT: mov x8, sp 20; CHECK-NEXT: mov x19, sp 21; CHECK-NEXT: and x9, x9, #0xfffffffffffffff0 22; CHECK-NEXT: sub x0, x8, x9 23; CHECK-NEXT: mov sp, x0 24; CHECK-NEXT: bl use_addr 25; CHECK-NEXT: mov sp, x19 26; CHECK-NEXT: mov sp, x29 27; CHECK-NEXT: ldr x19, [sp, #16] // 8-byte Folded Reload 28; CHECK-NEXT: ldp x29, x30, [sp], #32 // 16-byte Folded Reload 29; CHECK-NEXT: ret 30 %sp = call ptr @llvm.stacksave.p0() 31 %addr = alloca i8, i64 %n 32 call void @use_addr(ptr %addr) 33 call void @llvm.stackrestore.p0(ptr %sp) 34 ret void 35} 36