1 # RUN: llc -mtriple=aarch64-none-linux-gnu -start-after machine-sink -stop-after machine-sink -o - %s | FileCheck %s 2 3 --- | 4 @var = global i64 0 5 @local_addr = global i64* null 6 7 define void @stack_local() { 8 entry: 9 %local_var = alloca i64 10 %val = load i64, i64* @var 11 store i64 %val, i64* %local_var 12 store i64* %local_var, i64** @local_addr 13 ret void 14 } 15 ... 16 --- 17 name: stack_local 18 isSSA: true 19 tracksRegLiveness: true 20 registers: 21 - { id: 0, class: gpr64common } 22 - { id: 1, class: gpr64 } 23 - { id: 2, class: gpr64common } 24 - { id: 3, class: gpr64common } 25 frameInfo: 26 maxAlignment: 8 27 # CHECK-LABEL: stack_local 28 # CHECK: stack: 29 # CHECK-NEXT: { id: 0, name: local_var, offset: 0, size: 8, alignment: 8, local-offset: -8 } 30 stack: 31 - { id: 0,name: local_var,offset: 0,size: 8,alignment: 8, local-offset: -8 } 32 body: | 33 bb.0.entry: 34 %0 = ADRP @var 35 %1 = LDRXui killed %0, @var :: (load 8 from @var) 36 STRXui killed %1, %stack.0.local_var, 0 :: (store 8 into %ir.local_var) 37 %2 = ADRP @local_addr 38 %3 = ADDXri %stack.0.local_var, 0, 0 39 STRXui killed %3, killed %2, @local_addr :: (store 8 into @local_addr) 40 RET_ReallyLR 41 ... 42
