# RUN: llc -mcpu=cortex-m33 -run-pass=arm-pseudo %s -o - | FileCheck %s
--- |
target datalayout = "E-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "thumbebv8m.main-arm-none-eabi"
; Function Attrs: cmse_nonsecure_entry nounwind
define hidden arm_aapcs_vfpcc void @secure_foo(void (double, double, double, double, double, double, double, double)* %fptr) local_unnamed_addr #0 {
entry:
%0 = ptrtoint void (double, double, double, double, double, double, double, double)* %fptr to i32
%and = and i32 %0, -2
%1 = inttoptr i32 %and to void (double, double, double, double, double, double, double, double)*
call arm_aapcs_vfpcc void %1(double 0.000000e+00, double 1.000000e+00, double 2.000000e+00, double 3.000000e+00, double 4.000000e+00, double 5.000000e+00, double 6.000000e+00, double 7.000000e+00) #2
ret void
}
; Function Attrs: nounwind
declare void @llvm.stackprotector(i8*, i8**) #1
attributes #0 = { "cmse_nonsecure_entry" nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "denormal-fp-math"="preserve-sign" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="true" "no-jump-tables"="false" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+8msecext,+armv8-m.main,-d32,-fp64,+fp-armv8,+hwdiv,+thumb-mode,-crypto,-fullfp16,-neon" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind }
attributes #2 = { "cmse_nonsecure_call" nounwind }
!llvm.module.flags = !{!0, !1, !2, !3}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 1, !"static_rwdata", i32 1}
!2 = !{i32 1, !"enumsize_buildattr", i32 2}
!3 = !{i32 1, !"armlib_unavailable", i32 0}
...
---
name: secure_foo
alignment: 2
tracksRegLiveness: true
liveins:
- { reg: '$r0' }
frameInfo:
stackSize: 8
maxAlignment: 4
adjustsStack: true
hasCalls: true
maxCallFrameSize: 0
stack:
- { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4, stack-id: default,
callee-saved-register: '$lr' }
- { id: 1, type: spill-slot, offset: -8, size: 4, alignment: 4, stack-id: default,
callee-saved-register: '$r7' }
constants:
- id: 0
value: 'double 0.000000e+00'
alignment: 8
- id: 1
value: 'double 1.000000e+00'
alignment: 8
- id: 2
value: 'double 2.000000e+00'
alignment: 8
- id: 3
value: 'double 3.000000e+00'
alignment: 8
- id: 4
value: 'double 4.000000e+00'
alignment: 8
- id: 5
value: 'double 5.000000e+00'
alignment: 8
- id: 6
value: 'double 6.000000e+00'
alignment: 8
- id: 7
value: 'double 7.000000e+00'
alignment: 8
body: |
bb.0.entry:
liveins: $r0, $r7, $lr
$sp = frame-setup t2STMDB_UPD $sp, 14, $noreg, killed $r7, killed $lr
frame-setup CFI_INSTRUCTION def_cfa_offset 8
frame-setup CFI_INSTRUCTION offset $lr, -4
frame-setup CFI_INSTRUCTION offset $r7, -8
renamable $d0 = VLDRD %const.0, 0, 14, $noreg :: (load (s64) from constant-pool)
renamable $d1 = VLDRD %const.1, 0, 14, $noreg :: (load (s64) from constant-pool)
renamable $d2 = VLDRD %const.2, 0, 14, $noreg :: (load (s64) from constant-pool)
renamable $d3 = VLDRD %const.3, 0, 14, $noreg :: (load (s64) from constant-pool)
renamable $d4 = VLDRD %const.4, 0, 14, $noreg :: (load (s64) from constant-pool)
renamable $d5 = VLDRD %const.5, 0, 14, $noreg :: (load (s64) from constant-pool)
renamable $d6 = VLDRD %const.6, 0, 14, $noreg :: (load (s64) from constant-pool)
renamable $d7 = VLDRD %const.7, 0, 14, $noreg :: (load (s64) from constant-pool)
renamable $r0 = t2BICri killed renamable $r0, 1, 14, $noreg, $noreg
tBLXNS_CALL killed renamable $r0, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $d0, implicit $d1, implicit $d2, implicit $d3, implicit $d4, implicit $d5, implicit $d6, implicit $d7, implicit-def $sp
$sp = t2LDMIA_UPD $sp, 14, $noreg, def $r7, def $lr
tBXNS_RET
...
# CHECK: VLSTM
# CHECK-DAG: $s12 = VLDRS $sp, 12, 14 /* CC::al */, $noreg
# CHECK-DAG: $s13 = VLDRS $sp, 13, 14 /* CC::al */, $noreg
# CHECK-DAG: $s14 = VLDRS $sp, 14, 14 /* CC::al */, $noreg
# CHECK-DAG: $s15 = VLDRS $sp, 15, 14 /* CC::al */, $noreg
# CHECK: tBLXNSr