You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
2.3 KiB
81 lines
2.3 KiB
# RUN: llc -mtriple=arm-linux-unknown-gnueabi -run-pass none -o - %s | FileCheck %s
|
|
|
|
--- |
|
|
declare void @dummy_use(i32*, i32)
|
|
|
|
define void @test_basic() #0 {
|
|
entry:
|
|
%mem = alloca i32, i32 10
|
|
call void @dummy_use(i32* %mem, i32 10)
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { "split-stack" }
|
|
...
|
|
---
|
|
name: test_basic
|
|
tracksRegLiveness: true
|
|
frameInfo:
|
|
stackSize: 48
|
|
maxAlignment: 4
|
|
adjustsStack: true
|
|
hasCalls: true
|
|
stack:
|
|
- { id: 0, name: mem, offset: -48, size: 40, alignment: 4 }
|
|
- { id: 1, type: spill-slot, offset: -4, size: 4, alignment: 4,
|
|
callee-saved-register: '$lr' }
|
|
- { id: 2, type: spill-slot, offset: -8, size: 4, alignment: 4,
|
|
callee-saved-register: '$r11' }
|
|
body: |
|
|
bb.0:
|
|
successors: %bb.2, %bb.1
|
|
liveins: $r11, $lr
|
|
|
|
$sp = STMDB_UPD $sp, 14, _, $r4, $r5
|
|
CFI_INSTRUCTION def_cfa_offset 8
|
|
CFI_INSTRUCTION offset $r5, -4
|
|
CFI_INSTRUCTION offset $r4, -8
|
|
$r5 = MOVr $sp, 14, _, _
|
|
$r4 = MRC 15, 0, 13, 0, 3, 14, _
|
|
$r4 = LDRi12 $r4, 4, 14, _
|
|
CMPrr $r4, $r5, 14, _, implicit-def $cpsr
|
|
Bcc %bb.2, 3, $cpsr
|
|
|
|
bb.1:
|
|
successors: %bb.2
|
|
liveins: $r11, $lr
|
|
|
|
$r4 = MOVi 48, 14, _, _
|
|
$r5 = MOVi 0, 14, _, _
|
|
$sp = STMDB_UPD $sp, 14, _, $lr
|
|
CFI_INSTRUCTION def_cfa_offset 12
|
|
CFI_INSTRUCTION offset $lr, -12
|
|
BL &__morestack, implicit-def $lr, implicit $sp
|
|
$sp = LDMIA_UPD $sp, 14, _, $lr
|
|
$sp = LDMIA_UPD $sp, 14, _, $r4, $r5
|
|
CFI_INSTRUCTION def_cfa_offset 0
|
|
BX_RET 14, _
|
|
|
|
bb.2:
|
|
liveins: $r11, $lr
|
|
|
|
$sp = LDMIA_UPD $sp, 14, _, $r4, $r5
|
|
CFI_INSTRUCTION def_cfa_offset 0
|
|
; CHECK: CFI_INSTRUCTION same_value $r4
|
|
; CHECK-NEXT: CFI_INSTRUCTION same_value $r5
|
|
CFI_INSTRUCTION same_value $r4
|
|
CFI_INSTRUCTION same_value $r5
|
|
$sp = frame-setup STMDB_UPD $sp, 14, _, killed $r11, killed $lr
|
|
frame-setup CFI_INSTRUCTION def_cfa_offset 8
|
|
frame-setup CFI_INSTRUCTION offset $lr, -4
|
|
frame-setup CFI_INSTRUCTION offset $r11, -8
|
|
$sp = frame-setup SUBri killed $sp, 40, 14, _, _
|
|
frame-setup CFI_INSTRUCTION def_cfa_offset 48
|
|
$r0 = MOVr $sp, 14, _, _
|
|
$r1 = MOVi 10, 14, _, _
|
|
BL @dummy_use, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit killed $r1, implicit-def $sp
|
|
$sp = ADDri killed $sp, 40, 14, _, _
|
|
$sp = LDMIA_UPD $sp, 14, _, $r4, $r5
|
|
MOVPCLR 14, _
|
|
...
|