llvm/test/tools/llvm-cfi-verify/AArch64/unprotected-lineinfo.s

   1 # RUN: llvm-mc %s -filetype obj -triple aarch64-- -o %t.o
   2 # RUN: llvm-cfi-verify %t.o | FileCheck %s
   3
   4 # CHECK-LABEL: {{^Instruction: .* \(FAIL_BAD_CONDITIONAL_BRANCH\)}}
   5 # CHECK-NEXT: tiny.cc:9
   6
   7 # CHECK: Expected Protected: 0 (0.00%)
   8 # CHECK: Unexpected Protected: 0 (0.00%)
   9 # CHECK: Expected Unprotected: 0 (0.00%)
  10 # CHECK: Unexpected Unprotected (BAD): 1 (100.00%)
  11
  12 # Source (tiny.cc):
  13 #   int a() { return 42; }
  14 #   int b() { return 137; }
  15 #   int main(int argc, char** argv) {
  16 #     int(*ptr)();
  17 #     if (argc == 1)
  18 #       ptr = &a;
  19 #     else
  20 #       ptr = &b;
  21 #     return ptr();
  22 #   }
  23 # Compile with:
  24 #    clang++ -target aarch64-- -gmlt tiny.cc -S -o tiny.s
  25         .text
  26         .file   "tiny.cc"
  27         .globl  _Z1av
  28         .p2align        2
  29         .type   _Z1av,@function
  30 _Z1av:                                  // @_Z1av
  31 .Lfunc_begin0:
  32         .file   1 "tiny.cc"
  33         .loc    1 1 0                   // tiny.cc:1:0
  34         .cfi_startproc
  35 // BB#0:
  36         mov     w0, #42
  37 .Ltmp0:
  38         .loc    1 1 11 prologue_end     // tiny.cc:1:11
  39         ret
  40 .Ltmp1:
  41 .Lfunc_end0:
  42         .size   _Z1av, .Lfunc_end0-_Z1av
  43         .cfi_endproc
  44
  45         .globl  _Z1bv
  46         .p2align        2
  47         .type   _Z1bv,@function
  48 _Z1bv:                                  // @_Z1bv
  49 .Lfunc_begin1:
  50         .loc    1 2 0                   // tiny.cc:2:0
  51         .cfi_startproc
  52 // BB#0:
  53         mov     w0, #137
  54 .Ltmp2:
  55         .loc    1 2 11 prologue_end     // tiny.cc:2:11
  56         ret
  57 .Ltmp3:
  58 .Lfunc_end1:
  59         .size   _Z1bv, .Lfunc_end1-_Z1bv
  60         .cfi_endproc
  61
  62         .globl  main
  63         .p2align        2
  64         .type   main,@function
  65 main:                                   // @main
  66 .Lfunc_begin2:
  67         .loc    1 3 0                   // tiny.cc:3:0
  68         .cfi_startproc
  69 // BB#0:
  70         sub     sp, sp, #48             // =48
  71         stp     x29, x30, [sp, #32]     // 8-byte Folded Spill
  72         add     x29, sp, #32            // =32
  73 .Lcfi0:
  74         .cfi_def_cfa w29, 16
  75 .Lcfi1:
  76         .cfi_offset w30, -8
  77 .Lcfi2:
  78         .cfi_offset w29, -16
  79         stur    wzr, [x29, #-4]
  80         stur    w0, [x29, #-8]
  81         str     x1, [sp, #16]
  82 .Ltmp4:
  83         .loc    1 5 7 prologue_end      // tiny.cc:5:7
  84         ldur    w0, [x29, #-8]
  85         cmp             w0, #1          // =1
  86         b.ne    .LBB2_2
  87 // BB#1:
  88         .loc    1 0 7 is_stmt 0         // tiny.cc:0:7
  89         adrp    x8, _Z1av
  90         add     x8, x8, :lo12:_Z1av
  91         .loc    1 6 9 is_stmt 1         // tiny.cc:6:9
  92         str     x8, [sp, #8]
  93         .loc    1 6 5 is_stmt 0         // tiny.cc:6:5
  94         b       .LBB2_3
  95 .LBB2_2:
  96         .loc    1 0 5                   // tiny.cc:0:5
  97         adrp    x8, _Z1bv
  98         add     x8, x8, :lo12:_Z1bv
  99         .loc    1 8 9 is_stmt 1         // tiny.cc:8:9
 100         str     x8, [sp, #8]
 101 .LBB2_3:
 102         .loc    1 9 10                  // tiny.cc:9:10
 103         ldr     x8, [sp, #8]
 104         blr     x8
 105         .loc    1 9 3 is_stmt 0         // tiny.cc:9:3
 106         ldp     x29, x30, [sp, #32]     // 8-byte Folded Reload
 107         add     sp, sp, #48             // =48
 108         ret
 109 .Ltmp5:
 110 .Lfunc_end2:
 111         .size   main, .Lfunc_end2-main
 112         .cfi_endproc
 113
 114         .section        .debug_str,"MS",@progbits,1
 115 .Linfo_string0:
 116         .asciz  "clang version 4.0.1-10 (tags/RELEASE_401/final)" // string offset=0
 117 .Linfo_string1:
 118         .asciz  "tiny.cc"               // string offset=48
 119 .Linfo_string2:
 120         .asciz  "/tmp"                  // string offset=56
 121         .section        .debug_loc,"",@progbits
 122         .section        .debug_abbrev,"",@progbits
 123 .Lsection_abbrev:
 124         .byte   1                       // Abbreviation Code
 125         .byte   17                      // DW_TAG_compile_unit
 126         .byte   0                       // DW_CHILDREN_no
 127         .byte   37                      // DW_AT_producer
 128         .byte   14                      // DW_FORM_strp
 129         .byte   19                      // DW_AT_language
 130         .byte   5                       // DW_FORM_data2
 131         .byte   3                       // DW_AT_name
 132         .byte   14                      // DW_FORM_strp
 133         .byte   16                      // DW_AT_stmt_list
 134         .byte   23                      // DW_FORM_sec_offset
 135         .byte   27                      // DW_AT_comp_dir
 136         .byte   14                      // DW_FORM_strp
 137         .byte   17                      // DW_AT_low_pc
 138         .byte   1                       // DW_FORM_addr
 139         .byte   18                      // DW_AT_high_pc
 140         .byte   6                       // DW_FORM_data4
 141         .byte   0                       // EOM(1)
 142         .byte   0                       // EOM(2)
 143         .byte   0                       // EOM(3)
 144         .section        .debug_info,"",@progbits
 145 .Lsection_info:
 146 .Lcu_begin0:
 147         .word   38                      // Length of Unit
 148         .hword  4                       // DWARF version number
 149         .word   .Lsection_abbrev        // Offset Into Abbrev. Section
 150         .byte   8                       // Address Size (in bytes)
 151         .byte   1                       // Abbrev [1] 0xb:0x1f DW_TAG_compile_unit
 152         .word   .Linfo_string0          // DW_AT_producer
 153         .hword  4                       // DW_AT_language
 154         .word   .Linfo_string1          // DW_AT_name
 155         .word   .Lline_table_start0     // DW_AT_stmt_list
 156         .word   .Linfo_string2          // DW_AT_comp_dir
 157         .xword  .Lfunc_begin0           // DW_AT_low_pc
 158         .word   .Lfunc_end2-.Lfunc_begin0 // DW_AT_high_pc
 159         .section        .debug_ranges,"",@progbits
 160 .Ldebug_range:
 161         .section        .debug_macinfo,"",@progbits
 162 .Ldebug_macinfo:
 163 .Lcu_macro_begin0:
 164         .byte   0                       // End Of Macro List Mark
 165
 166         .ident  "clang version 4.0.1-10 (tags/RELEASE_401/final)"
 167         .section        ".note.GNU-stack","",@progbits
 168         .section        .debug_line,"",@progbits
 169 .Lline_table_start0: