test/MC/AArch64/arm64-leaf-compact-unwind.s

   1 // RUN: llvm-mc -triple=arm64-apple-ios -filetype=obj < %s | \
   2 // RUN: llvm-readobj --expand-relocs -S --section-relocations --section-data | \
   3 // RUN: FileCheck %s
   4 //
   5 // rdar://13070556
   6
   7 // FIXME: we should add compact unwind support to llvm-objdump -unwind-info
   8
   9 // CHECK:      Section {
  10 // CHECK:        Index: 1
  11 // CHECK-NEXT:   Name: __compact_unwind
  12 // CHECK-NEXT:   Segment: __LD
  13 // CHECK-NEXT:   Address:
  14 // CHECK-NEXT:   Size:
  15 // CHECK-NEXT:   Offset:
  16 // CHECK-NEXT:   Alignment:
  17 // CHECK-NEXT:   RelocationOffset:
  18 // CHECK-NEXT:   RelocationCount:
  19 // CHECK-NEXT:   Type:
  20 // CHECK-NEXT:   Attributes [
  21 // CHECK-NEXT:     Debug
  22 // CHECK-NEXT:   ]
  23 // CHECK-NEXT:   Reserved1:
  24 // CHECK-NEXT:   Reserved2:
  25 // CHECK-NEXT:   Reserved3:
  26 // CHECK-NEXT:   Relocations [
  27 // CHECK-NEXT:     Relocation {
  28 // CHECK-NEXT:       Offset: 0x60
  29 // CHECK-NEXT:       PCRel: 0
  30 // CHECK-NEXT:       Length: 3
  31 // CHECK-NEXT:       Type: ARM64_RELOC_UNSIGNED (0)
  32 // CHECK-NEXT:       Section: __text (1)
  33 // CHECK-NEXT:     }
  34 // CHECK-NEXT:     Relocation {
  35 // CHECK-NEXT:       Offset: 0x40
  36 // CHECK-NEXT:       PCRel: 0
  37 // CHECK-NEXT:       Length: 3
  38 // CHECK-NEXT:       Type: ARM64_RELOC_UNSIGNED (0)
  39 // CHECK-NEXT:       Section: __text (1)
  40 // CHECK-NEXT:     }
  41 // CHECK-NEXT:     Relocation {
  42 // CHECK-NEXT:       Offset: 0x20
  43 // CHECK-NEXT:       PCRel: 0
  44 // CHECK-NEXT:       Length: 3
  45 // CHECK-NEXT:       Type: ARM64_RELOC_UNSIGNED (0)
  46 // CHECK-NEXT:       Section: __text (1)
  47 // CHECK-NEXT:     }
  48 // CHECK-NEXT:     Relocation {
  49 // CHECK-NEXT:       Offset: 0x0
  50 // CHECK-NEXT:       PCRel: 0
  51 // CHECK-NEXT:       Length: 3
  52 // CHECK-NEXT:       Type: ARM64_RELOC_UNSIGNED (0)
  53 // CHECK-NEXT:       Section: __text (1)
  54 // CHECK-NEXT:     }
  55 // CHECK-NEXT:   ]
  56 // CHECK-NEXT:   SectionData (
  57 // CHECK-NEXT:     0000: 00000000 00000000 08000000 00000002
  58 // CHECK-NEXT:     0010: 00000000 00000000 00000000 00000000
  59 // CHECK-NEXT:     0020: 08000000 00000000 40000000 00900002
  60 // CHECK-NEXT:     0030: 00000000 00000000 00000000 00000000
  61 // CHECK-NEXT:     0040: 48000000 00000000 D4000000 0F400002
  62 // CHECK-NEXT:     0050: 00000000 00000000 00000000 00000000
  63 // CHECK-NEXT:     0060: 1C010000 00000000 54000000 10100202
  64 // CHECK-NEXT:     0070: 00000000 00000000 00000000 00000000
  65 // CHECK-NEXT:   )
  66 // CHECK-NEXT: }
  67
  68         .section        __TEXT,__text,regular,pure_instructions
  69         .globl  _foo1
  70         .align  2
  71 _foo1:                                  ; @foo1
  72         .cfi_startproc
  73 ; %bb.0:                                ; %entry
  74         add     w0, w0, #42             ; =#42
  75         ret
  76         .cfi_endproc
  77
  78         .globl  _foo2
  79         .align  2
  80 _foo2:                                  ; @foo2
  81         .cfi_startproc
  82 ; %bb.0:                                ; %entry
  83         sub     sp, sp, #144            ; =#144
  84 Ltmp2:
  85         .cfi_def_cfa_offset 144
  86         mov     x9, xzr
  87         mov     x8, sp
  88 LBB1_1:                                 ; %for.body
  89                                         ; =>This Inner Loop Header: Depth=1
  90         str     w9, [x8, x9, lsl #2]
  91         add     x9, x9, #1              ; =#1
  92         cmp     w9, #36                 ; =#36
  93         b.ne    LBB1_1
  94 ; %bb.2:
  95         mov     x9, xzr
  96         mov     w0, wzr
  97 LBB1_3:                                 ; %for.body4
  98                                         ; =>This Inner Loop Header: Depth=1
  99         ldr     w10, [x8, x9]
 100         add     x9, x9, #4              ; =#4
 101         cmp     w9, #144                ; =#144
 102         add     w0, w10, w0
 103         b.ne    LBB1_3
 104 ; %bb.4:                                ; %for.end9
 105         add     sp, sp, #144            ; =#144
 106         ret
 107         .cfi_endproc
 108
 109         .globl  _foo3
 110         .align  2
 111 _foo3:                                  ; @foo3
 112         .cfi_startproc
 113 ; %bb.0:                                ; %entry
 114         stp     x26, x25, [sp, #-64]!
 115         stp     x24, x23, [sp, #16]
 116         stp     x22, x21, [sp, #32]
 117         stp     x20, x19, [sp, #48]
 118 Ltmp3:
 119         .cfi_def_cfa_offset 64
 120 Ltmp4:
 121         .cfi_offset w19, -16
 122 Ltmp5:
 123         .cfi_offset w20, -24
 124 Ltmp6:
 125         .cfi_offset w21, -32
 126 Ltmp7:
 127         .cfi_offset w22, -40
 128 Ltmp8:
 129         .cfi_offset w23, -48
 130 Ltmp9:
 131         .cfi_offset w24, -56
 132 Ltmp10:
 133         .cfi_offset w25, -64
 134 Ltmp11:
 135         .cfi_offset w26, -72
 136 Lloh0:
 137         adrp    x8, _bar@GOTPAGE
 138 Lloh1:
 139         ldr     x8, [x8, _bar@GOTPAGEOFF]
 140         ldr     w9, [x8]
 141         ldr     w10, [x8]
 142         ldr     w11, [x8]
 143         ldr     w12, [x8]
 144         ldr     w13, [x8]
 145         ldr     w14, [x8]
 146         ldr     w15, [x8]
 147         ldr     w16, [x8]
 148         ldr     w17, [x8]
 149         ldr     w0, [x8]
 150         ldr     w19, [x8]
 151         ldr     w20, [x8]
 152         ldr     w21, [x8]
 153         ldr     w22, [x8]
 154         ldr     w23, [x8]
 155         ldr     w24, [x8]
 156         ldr     w25, [x8]
 157         ldr     w8, [x8]
 158         add     w9, w10, w9
 159         add     w9, w9, w11
 160         add     w9, w9, w12
 161         add     w9, w9, w13
 162         add     w9, w9, w14
 163         add     w9, w9, w15
 164         add     w9, w9, w16
 165         add     w9, w9, w17
 166         add     w9, w9, w0
 167         add     w9, w9, w19
 168         add     w9, w9, w20
 169         add     w9, w9, w21
 170         add     w9, w9, w22
 171         add     w9, w9, w23
 172         add     w9, w9, w24
 173         add     w9, w9, w25
 174         sub     w8, w8, w9
 175         sub     w8, w8, w7, lsl #1
 176         sub     w8, w8, w6, lsl #1
 177         sub     w8, w8, w5, lsl #1
 178         sub     w8, w8, w4, lsl #1
 179         sub     w8, w8, w3, lsl #1
 180         sub     w8, w8, w2, lsl #1
 181         sub     w0, w8, w1, lsl #1
 182         ldp     x20, x19, [sp, #48]
 183         ldp     x22, x21, [sp, #32]
 184         ldp     x24, x23, [sp, #16]
 185         ldp     x26, x25, [sp], #64
 186         ret
 187         .loh AdrpLdrGot Lloh0, Lloh1
 188         .cfi_endproc
 189
 190         .globl  _foo4
 191         .align  2
 192 _foo4:                                  ; @foo4
 193         .cfi_startproc
 194 ; %bb.0:                                ; %entry
 195         stp     x28, x27, [sp, #-16]!
 196         sub     sp, sp, #512            ; =#512
 197 Ltmp12:
 198         .cfi_def_cfa_offset 528
 199 Ltmp13:
 200         .cfi_offset w27, -16
 201 Ltmp14:
 202         .cfi_offset w28, -24
 203                                         ; kill: def W0 killed W0 def X0
 204         mov     x9, xzr
 205         ubfx    x10, x0, #0, #32
 206         mov     x8, sp
 207 LBB3_1:                                 ; %for.body
 208                                         ; =>This Inner Loop Header: Depth=1
 209         add     w11, w10, w9
 210         str     w11, [x8, x9, lsl #2]
 211         add     x9, x9, #1              ; =#1
 212         cmp     w9, #128                ; =#128
 213         b.ne    LBB3_1
 214 ; %bb.2:                                ; %for.cond2.preheader
 215         mov     x9, xzr
 216         mov     w0, wzr
 217         add     x8, x8, w5, sxtw #2
 218 LBB3_3:                                 ; %for.body4
 219                                         ; =>This Inner Loop Header: Depth=1
 220         ldr     w10, [x8, x9]
 221         add     x9, x9, #4              ; =#4
 222         cmp     w9, #512                ; =#512
 223         add     w0, w10, w0
 224         b.ne    LBB3_3
 225 ; %bb.4:                                ; %for.end11
 226         add     sp, sp, #512            ; =#512
 227         ldp     x28, x27, [sp], #16
 228         ret
 229         .cfi_endproc
 230
 231         .comm   _bar,4,2                ; @bar
 232
 233 .subsections_via_symbols