1 # RUN: llc -mtriple=arm-eabi -run-pass=arm-cp-islands %s -o - | FileCheck %s
3 target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
4 target triple = "thumbv8.2a-arm-none-eabi"
6 define hidden i32 @main() {
8 %P5 = alloca half, align 2
9 store half 0xH3FE0, ptr %P5, align 2
10 %0 = load half, ptr %P5, align 2
11 call void @z_bar(half %0)
15 declare dso_local void @z_bar(half)
21 tracksRegLiveness: true
30 - { id: 0, name: P5, offset: -10, size: 2, alignment: 2, local-offset: -2 }
31 - { id: 1, type: spill-slot, offset: -4, size: 4, alignment: 4, callee-saved-register: '$lr',
32 callee-saved-restored: false }
33 - { id: 2, type: spill-slot, offset: -8, size: 4, alignment: 4, callee-saved-register: '$r7' }
38 machineFunctionInfo: {}
43 frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r7, killed $lr, implicit-def $sp, implicit $sp
44 frame-setup CFI_INSTRUCTION def_cfa_offset 8
45 frame-setup CFI_INSTRUCTION offset $lr, -4
46 frame-setup CFI_INSTRUCTION offset $r7, -8
47 $sp = frame-setup tSUBspi $sp, 2, 14 /* CC::al */, $noreg
48 frame-setup CFI_INSTRUCTION def_cfa_offset 16
49 renamable $s0 = VLDRH %const.0, 0, 14, $noreg :: (load (s16) from constant-pool)
50 VSTRH killed renamable $s0, $sp, 3, 14, $noreg :: (store (s16) into %ir.P5)
51 renamable $r0 = t2LDRHi12 $sp, 6, 14 /* CC::al */, $noreg :: (dereferenceable load (s16) from %ir.P5)
52 tBL 14 /* CC::al */, $noreg, @z_bar, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp
53 renamable $r0, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg
54 $sp = frame-destroy tADDspi $sp, 2, 14 /* CC::al */, $noreg
55 frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc, implicit killed $r0
58 ; CHECK-NEXT: alignment: 4