1*8336d38bSJohn Brawn; RUN: llc -mtriple=thumbv6m-linux-eabi -mattr=+execute-only %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-NOMOVW-SIZE,CHECK-NOMOVW-LIMIT 2*8336d38bSJohn Brawn; RUN: llc -mtriple=thumbv8m.base-linux-eabi -mattr=+execute-only %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-MOVW-SIZE,CHECK-MOVW-LIMIT 3*8336d38bSJohn Brawn; RUN: llc -mtriple=thumbv7m-linux-eabi -mattr=+execute-only %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-MOVW-SIZE,CHECK-MRC-LIMIT 4*8336d38bSJohn Brawn; RUN: llc -mtriple=thumbv8m.main-linux-eabi -mattr=+execute-only %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-MOVW-SIZE,CHECK-MRC-LIMIT 5*8336d38bSJohn Brawn 6*8336d38bSJohn Brawn%struct.large_struct = type { [500 x i8] } 7*8336d38bSJohn Brawndeclare void @fn(ptr) 8*8336d38bSJohn Brawn 9*8336d38bSJohn Brawn; CHECK-LABEL: test: 10*8336d38bSJohn Brawn; CHECK: mov [[SP:r[0-9]+]], sp 11*8336d38bSJohn Brawn; CHECK-MOVW-SIZE-NEXT: movw [[SIZE:r[0-9]+]], #4032 12*8336d38bSJohn Brawn; CHECK-NOMOVW-SIZE-NEXT: movs [[SIZE:r[0-9]+]], #15 13*8336d38bSJohn Brawn; CHECK-NOMOVW-SIZE-NEXT: lsls [[SIZE]], [[SIZE]], #8 14*8336d38bSJohn Brawn; CHECK-NOMOVW-SIZE-NEXT: adds [[SIZE]], #192 15*8336d38bSJohn Brawn; CHECK-NEXT: sub{{s?}} [[SP]], [[SP]], [[SIZE]] 16*8336d38bSJohn Brawn; CHECK-MOVW-LIMIT-NEXT: movw [[LIMIT:r[0-9]+]], :lower16:__STACK_LIMIT 17*8336d38bSJohn Brawn; CHECK-MOVW-LIMIT-NEXT: movt [[LIMIT]], :upper16:__STACK_LIMIT 18*8336d38bSJohn Brawn; CHECK-NOMOVW-LIMIT-NEXT: movs [[LIMIT:r[0-9]+]], :upper8_15:__STACK_LIMIT 19*8336d38bSJohn Brawn; CHECK-NOMOVW-LIMIT-NEXT: lsls [[LIMIT]], [[LIMIT]], #8 20*8336d38bSJohn Brawn; CHECK-NOMOVW-LIMIT-NEXT: adds [[LIMIT]], :upper0_7:__STACK_LIMIT 21*8336d38bSJohn Brawn; CHECK-NOMOVW-LIMIT-NEXT: lsls [[LIMIT]], [[LIMIT]], #8 22*8336d38bSJohn Brawn; CHECK-NOMOVW-LIMIT-NEXT: adds [[LIMIT]], :lower8_15:__STACK_LIMIT 23*8336d38bSJohn Brawn; CHECK-NOMOVW-LIMIT-NEXT: lsls [[LIMIT]], [[LIMIT]], #8 24*8336d38bSJohn Brawn; CHECK-NOMOVW-LIMIT-NEXT: adds [[LIMIT]], :lower0_7:__STACK_LIMIT 25*8336d38bSJohn Brawn; CHECK-MRC-LIMIT-NEXT: p15, #0, [[LIMIT:r[0-9]+]], c13, c0, #3 26*8336d38bSJohn Brawn; CHECK-NEXT: ldr [[LIMIT]], [[[LIMIT]]{{.*}}] 27*8336d38bSJohn Brawn; CHECK-NEXT: cmp [[LIMIT]], [[SP]] 28*8336d38bSJohn Brawn; CHECK-NEXT: bls 29*8336d38bSJohn Brawn; CHECK-NEXT: @{{.*}}: 30*8336d38bSJohn Brawn; CHECK-MOVW-SIZE-NEXT: movw r4, #4032 31*8336d38bSJohn Brawn; CHECK-NOMOVW-SIZE-NEXT: movs r4, #15 32*8336d38bSJohn Brawn; CHECK-NOMOVW-SIZE-NEXT: lsls r4, r4, #8 33*8336d38bSJohn Brawn; CHECK-NOMOVW-SIZE-NEXT: adds r4, #192 34*8336d38bSJohn Brawn; CHECK-MOVW-SIZE-NEXT: movw r5, #484 35*8336d38bSJohn Brawn; CHECK-NOMOVW-SIZE-NEXT: movs r5, #1 36*8336d38bSJohn Brawn; CHECK-NOMOVW-SIZE-NEXT: lsls r5, r5, #8 37*8336d38bSJohn Brawn; CHECK-NOMOVW-SIZE-NEXT: adds r5, #228 38*8336d38bSJohn Brawn; CHECK-NEXT: push {lr} 39*8336d38bSJohn Brawn; CHECK-NEXT: bl __morestack 40*8336d38bSJohn Brawn 41*8336d38bSJohn Brawndefine void @test(ptr byval(%struct.large_struct) align 4 %arg) #0 { 42*8336d38bSJohn Brawn %ptr = alloca i32, i32 1000 43*8336d38bSJohn Brawn call void @fn(ptr %ptr) 44*8336d38bSJohn Brawn ret void 45*8336d38bSJohn Brawn} 46*8336d38bSJohn Brawn 47*8336d38bSJohn Brawnattributes #0 = { "split-stack" } 48