1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
3 ; RUN: llc --run-pass=prologepilog -o - %s | FileCheck %s
5 target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
6 target triple = "thumbv7-none-none-eabi"
7 define void @foo() #0 {
9 %v = alloca [4000 x i8], align 1
10 %s = alloca i8*, align 4
11 %0 = bitcast [4000 x i8]* %v to i8*
12 store i8* %0, i8** %s, align 4
13 %1 = load i8*, i8** %s, align 4
14 call void @bar(i8* %1)
17 declare void @bar(i8*) #1
18 ; Function Attrs: nounwind
19 declare void @llvm.stackprotector(i8*, i8**) #2
21 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" }
22 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" }
23 attributes #2 = { nounwind }
25 !llvm.module.flags = !{!0, !1}
28 !0 = !{i32 1, !"wchar_size", i32 4}
29 !1 = !{i32 1, !"min_enum_size", i32 4}
30 !2 = !{!"clang version 10.0.0 (git@github.com:llvm/llvm-project.git ee219345881bdf2c144d40731f055e7b36bc8bce)"}
36 exposesReturnsTwice: false
38 regBankSelected: false
41 tracksRegLiveness: true
46 isFrameAddressTaken: false
47 isReturnAddressTaken: false
57 cvBytesOfCalleeSavedRegisters: 0
58 hasOpaqueSPAdjustment: false
60 hasMustTailInVarArgFunc: false
66 - { id: 0, name: v, type: default, offset: 0, size: 4000, alignment: 1,
67 stack-id: default, callee-saved-register: '', callee-saved-restored: true,
68 local-offset: -4000, debug-info-variable: '', debug-info-expression: '',
69 debug-info-location: '' }
70 - { id: 1, name: s, type: default, offset: 0, size: 4, alignment: 4,
71 stack-id: default, callee-saved-register: '', callee-saved-restored: true,
72 local-offset: -4004, debug-info-variable: '', debug-info-expression: '',
73 debug-info-location: '' }
76 machineFunctionInfo: {}
79 ; CHECK-LABEL: name: foo
81 ; CHECK: $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r7, killed $lr
82 ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 8
83 ; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4
84 ; CHECK: frame-setup CFI_INSTRUCTION offset $r7, -8
85 ; CHECK: $r7 = frame-setup tMOVr killed $sp, 14 /* CC::al */, $noreg
86 ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_register $r7
87 ; CHECK: $sp = frame-setup t2SUBspImm12 killed $sp, 4008, 14 /* CC::al */, $noreg
88 ; CHECK: renamable $r0 = t2ADDri $sp, 8, 14 /* CC::al */, $noreg, $noreg
89 ; CHECK: t2STRi12 killed renamable $r0, $sp, 4, 14 /* CC::al */, $noreg :: (store (s32) into %ir.s)
90 ; CHECK: renamable $r0 = t2LDRi12 $sp, 4, 14 /* CC::al */, $noreg :: (dereferenceable load (s32) from %ir.s)
91 ; CHECK: tBL 14 /* CC::al */, $noreg, @bar, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit-def $sp
92 ; CHECK: $sp = frame-destroy t2ADDspImm12 killed $sp, 4008, 14 /* CC::al */, $noreg
93 ; CHECK: $sp = frame-destroy t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r7, def $pc
94 renamable $r0 = t2ADDri %stack.0.v, 0, 14, $noreg, $noreg
95 t2STRi12 killed renamable $r0, %stack.1.s, 0, 14, $noreg :: (store (s32) into %ir.s)
96 renamable $r0 = t2LDRi12 %stack.1.s, 0, 14, $noreg :: (dereferenceable load (s32) from %ir.s)
97 ADJCALLSTACKDOWN 0, 0, 14, $noreg, implicit-def dead $sp, implicit $sp
98 tBL 14, $noreg, @bar, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit-def $sp
99 ADJCALLSTACKUP 0, 0, 14, $noreg, implicit-def dead $sp, implicit $sp