llvm/test/CodeGen/MIR/ARM/thumb2-sub-sp-t3.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
--- |
  ; RUN: llc --run-pass=prologepilog -o - %s | FileCheck %s

  target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
  target triple = "thumbv7-none-none-eabi"
  define void @foo() #0 {
  entry:
    %v = alloca [4000 x i8], align 1
    %s = alloca i8*, align 4
    %0 = bitcast [4000 x i8]* %v to i8*
    store i8* %0, i8** %s, align 4
    %1 = load i8*, i8** %s, align 4
    call void @bar(i8* %1)
    ret void
  }
  declare void @bar(i8*) #1
  ; Function Attrs: nounwind
  declare void @llvm.stackprotector(i8*, i8**) #2

  attributes #0 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+armv7-a,+d32,+dsp,+fp64,+fpregs,+neon,+strict-align,+thumb-mode,+vfp2,+vfp2sp,+vfp3,+vfp3d16,+vfp3d16sp,+vfp3sp" "unsafe-fp-math"="false" "use-soft-float"="false" }
  attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+armv7-a,+d32,+dsp,+fp64,+fpregs,+neon,+strict-align,+thumb-mode,+vfp2,+vfp2sp,+vfp3,+vfp3d16,+vfp3d16sp,+vfp3sp" "unsafe-fp-math"="false" "use-soft-float"="false" }
  attributes #2 = { nounwind }

  !llvm.module.flags = !{!0, !1}
  !llvm.ident = !{!2}

  !0 = !{i32 1, !"wchar_size", i32 4}
  !1 = !{i32 1, !"min_enum_size", i32 4}
  !2 = !{!"clang version 10.0.0 (git@github.com:llvm/llvm-project.git ee219345881bdf2c144d40731f055e7b36bc8bce)"}

...
---
name:            foo
alignment:       2
exposesReturnsTwice: false
legalized:       false
regBankSelected: false
selected:        false
failedISel:      false
tracksRegLiveness: true
hasWinCFI:       false
registers:       []
liveins:         []
frameInfo:
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       0
  offsetAdjustment: 0
  maxAlignment:    4
  adjustsStack:    true
  hasCalls:        true
  stackProtector:  ''
  maxCallFrameSize: 0
  cvBytesOfCalleeSavedRegisters: 0
  hasOpaqueSPAdjustment: false
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
  localFrameSize:  4004
  savePoint:       ''
  restorePoint:    ''
fixedStack:      []
stack:
  - { id: 0, name: v, type: default, offset: 0, size: 4000, alignment: 1,
      stack-id: default, callee-saved-register: '', callee-saved-restored: true,
      local-offset: -4000, debug-info-variable: '', debug-info-expression: '',
      debug-info-location: '' }
  - { id: 1, name: s, type: default, offset: 0, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '', callee-saved-restored: true,
      local-offset: -4004, debug-info-variable: '', debug-info-expression: '',
      debug-info-location: '' }
callSites:       []
constants:       []
machineFunctionInfo: {}
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: foo
    ; CHECK: liveins: $lr
    ; CHECK: $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r7, killed $lr
    ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 8
    ; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4
    ; CHECK: frame-setup CFI_INSTRUCTION offset $r7, -8
    ; CHECK: $r7 = frame-setup tMOVr killed $sp, 14 /* CC::al */, $noreg
    ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_register $r7
    ; CHECK: $sp = frame-setup t2SUBspImm12 killed $sp, 4008, 14 /* CC::al */, $noreg
    ; CHECK: renamable $r0 = t2ADDri $sp, 8, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: t2STRi12 killed renamable $r0, $sp, 4, 14 /* CC::al */, $noreg :: (store 4 into %ir.s)
    ; CHECK: renamable $r0 = t2LDRi12 $sp, 4, 14 /* CC::al */, $noreg :: (dereferenceable load 4 from %ir.s)
    ; CHECK: tBL 14 /* CC::al */, $noreg, @bar, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit-def $sp
    ; CHECK: $sp = frame-destroy t2ADDspImm12 killed $sp, 4008, 14 /* CC::al */, $noreg
    ; CHECK: $sp = frame-destroy t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r7, def $pc
    renamable $r0 = t2ADDri %stack.0.v, 0, 14, $noreg, $noreg
    t2STRi12 killed renamable $r0, %stack.1.s, 0, 14, $noreg :: (store 4 into %ir.s)
    renamable $r0 = t2LDRi12 %stack.1.s, 0, 14, $noreg :: (dereferenceable load 4 from %ir.s)
    ADJCALLSTACKDOWN 0, 0, 14, $noreg, implicit-def dead $sp, implicit $sp
    tBL 14, $noreg, @bar, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit-def $sp
    ADJCALLSTACKUP 0, 0, 14, $noreg, implicit-def dead $sp, implicit $sp
    tBX_RET 14, $noreg

...