]> granicus.if.org Git - llvm/commitdiff
llvm-dwarfdump: Add dwo parsing to --statistics.
authorCaroline Tice <cmtice@google.com>
Thu, 9 May 2019 21:53:33 +0000 (21:53 +0000)
committerCaroline Tice <cmtice@google.com>
Thu, 9 May 2019 21:53:33 +0000 (21:53 +0000)
Add check for, and parsing of, .dwo files to Statistics.cpp; create a new getNon
SkeletonUnitDie function for DWARFUnit.h

Reviewers: dblaikie

Differential Revision: https://review.llvm.org/D61755

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@360380 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/DebugInfo/DWARF/DWARFUnit.h
test/tools/llvm-dwarfdump/X86/Inputs/statistics-fib.split-dwarf.s [new file with mode: 0644]
test/tools/llvm-dwarfdump/X86/statistics-dwo.test [new file with mode: 0644]
tools/llvm-dwarfdump/Statistics.cpp

index d9467ee249cffeba21d84e19ad4d249ea8f15504..c89451b20278b3962b27b147128d33ddd57d63b2 100644 (file)
@@ -385,6 +385,13 @@ public:
     return DWARFDie(this, &DieArray[0]);
   }
 
+  DWARFDie getNonSkeletonUnitDIE(bool ExtractUnitDIEOnly = true) {
+    parseDWO();
+    if (DWO)
+      return DWO->getUnitDIE(ExtractUnitDIEOnly);
+    return getUnitDIE(ExtractUnitDIEOnly);
+  }
+
   const char *getCompilationDir();
   Optional<uint64_t> getDWOId() {
     extractDIEsIfNeeded(/*CUDieOnly*/ true);
diff --git a/test/tools/llvm-dwarfdump/X86/Inputs/statistics-fib.split-dwarf.s b/test/tools/llvm-dwarfdump/X86/Inputs/statistics-fib.split-dwarf.s
new file mode 100644 (file)
index 0000000..f09e5fd
--- /dev/null
@@ -0,0 +1,1359 @@
+       .text
+       .file   "fibonacci.cc"
+       .globl  _Z8real_fibiPi          # -- Begin function _Z8real_fibiPi
+       .p2align        4, 0x90
+       .type   _Z8real_fibiPi,@function
+_Z8real_fibiPi:                         # @_Z8real_fibiPi
+.Lfunc_begin0:
+       .file   1 "/usr/local/google3/cmtice/llvm.tot2/build/test/tools/llvm-dwarfdump/X86/Output/statistics-dwo.test.tmp" "fibonacci.cc"
+       .loc    1 5 0                   # fibonacci.cc:5:0
+       .cfi_startproc
+# %bb.0:                                # %entry
+       #DEBUG_VALUE: real_fib:x <- $edi
+       #DEBUG_VALUE: real_fib:answers <- $rsi
+       #DEBUG_VALUE: real_fib:x <- $edi
+       pushq   %rbp
+       .cfi_def_cfa_offset 16
+       pushq   %r14
+       .cfi_def_cfa_offset 24
+       pushq   %rbx
+       .cfi_def_cfa_offset 32
+       .cfi_offset %rbx, -32
+       .cfi_offset %r14, -24
+       .cfi_offset %rbp, -16
+       .loc    1 8 7 prologue_end      # fibonacci.cc:8:7
+       movslq  %edi, %rbp
+       movl    (%rsi,%rbp,4), %eax
+       .loc    1 8 20 is_stmt 0        # fibonacci.cc:8:20
+       cmpl    $-1, %eax
+.Ltmp0:
+       .loc    1 8 7                   # fibonacci.cc:8:7
+       je      .LBB0_1
+.Ltmp1:
+# %bb.2:                                # %cleanup
+       #DEBUG_VALUE: real_fib:answers <- $rsi
+       #DEBUG_VALUE: real_fib:x <- $edi
+       .loc    1 15 1 is_stmt 1        # fibonacci.cc:15:1
+       popq    %rbx
+       .cfi_def_cfa_offset 24
+       popq    %r14
+       .cfi_def_cfa_offset 16
+       popq    %rbp
+       .cfi_def_cfa_offset 8
+       retq
+.Ltmp2:
+.LBB0_1:                                # %if.end
+       .cfi_def_cfa_offset 32
+       #DEBUG_VALUE: real_fib:answers <- $rsi
+       #DEBUG_VALUE: real_fib:x <- $edi
+       .loc    1 0 1 is_stmt 0         # fibonacci.cc:0:1
+       movq    %rsi, %rbx
+.Ltmp3:
+       #DEBUG_VALUE: real_fib:answers <- $rbx
+       .loc    1 11 22 is_stmt 1       # fibonacci.cc:11:22
+       leal    -1(%rbp), %edi
+.Ltmp4:
+       .loc    1 11 12 is_stmt 0       # fibonacci.cc:11:12
+       callq   _Z8real_fibiPi
+       movl    %eax, %r14d
+       .loc    1 11 47                 # fibonacci.cc:11:47
+       leal    -2(%rbp), %edi
+       .loc    1 11 37                 # fibonacci.cc:11:37
+       movq    %rbx, %rsi
+       callq   _Z8real_fibiPi
+       .loc    1 11 35                 # fibonacci.cc:11:35
+       addl    %r14d, %eax
+.Ltmp5:
+       #DEBUG_VALUE: real_fib:result <- $eax
+       .loc    1 12 16 is_stmt 1       # fibonacci.cc:12:16
+       movl    %eax, (%rbx,%rbp,4)
+       .loc    1 15 1                  # fibonacci.cc:15:1
+       popq    %rbx
+.Ltmp6:
+       .cfi_def_cfa_offset 24
+       popq    %r14
+       .cfi_def_cfa_offset 16
+       popq    %rbp
+       .cfi_def_cfa_offset 8
+       retq
+.Ltmp7:
+.Lfunc_end0:
+       .size   _Z8real_fibiPi, .Lfunc_end0-_Z8real_fibiPi
+       .cfi_endproc
+                                        # -- End function
+       .globl  _Z3fibi                 # -- Begin function _Z3fibi
+       .p2align        4, 0x90
+       .type   _Z3fibi,@function
+_Z3fibi:                                # @_Z3fibi
+.Lfunc_begin1:
+       .loc    1 19 0                  # fibonacci.cc:19:0
+       .cfi_startproc
+# %bb.0:                                # %entry
+       #DEBUG_VALUE: fib:x <- $edi
+       movl    $-1, %eax
+       #DEBUG_VALUE: fib:x <- $edi
+.Ltmp8:
+       .loc    1 23 9 prologue_end     # fibonacci.cc:23:9
+       cmpl    $10, %edi
+.Ltmp9:
+       .loc    1 23 7 is_stmt 0        # fibonacci.cc:23:7
+       jg      .LBB1_2
+.Ltmp10:
+# %bb.1:                                # %for.body.preheader
+       #DEBUG_VALUE: fib:x <- $edi
+       subq    $56, %rsp
+       .cfi_def_cfa_offset 64
+.Ltmp11:
+       .loc    1 27 16 is_stmt 1       # fibonacci.cc:27:16
+       pcmpeqd %xmm0, %xmm0
+       movdqa  %xmm0, (%rsp)
+       movdqu  %xmm0, 28(%rsp)
+       movdqa  %xmm0, 16(%rsp)
+       movabsq $4294967296, %rax       # imm = 0x100000000
+.Ltmp12:
+       #DEBUG_VALUE: fib:i <- undef
+       #DEBUG_VALUE: fib:i <- [DW_OP_plus_uconst 1, DW_OP_stack_value] undef
+       .loc    1 29 14                 # fibonacci.cc:29:14
+       movq    %rax, (%rsp)
+       .loc    1 31 14                 # fibonacci.cc:31:14
+       movl    $1, 8(%rsp)
+       movq    %rsp, %rsi
+       .loc    1 33 10                 # fibonacci.cc:33:10
+       callq   _Z8real_fibiPi
+.Ltmp13:
+       .loc    1 0 10 is_stmt 0        # fibonacci.cc:0:10
+       addq    $56, %rsp
+       .cfi_def_cfa_offset 8
+.LBB1_2:                                # %cleanup
+       .loc    1 34 1 is_stmt 1        # fibonacci.cc:34:1
+       retq
+.Ltmp14:
+.Lfunc_end1:
+       .size   _Z3fibi, .Lfunc_end1-_Z3fibi
+       .cfi_endproc
+                                        # -- End function
+       .globl  main                    # -- Begin function main
+       .p2align        4, 0x90
+       .type   main,@function
+main:                                   # @main
+.Lfunc_begin2:
+       .loc    1 37 0                  # fibonacci.cc:37:0
+       .cfi_startproc
+# %bb.0:                                # %entry
+       #DEBUG_VALUE: main:argc <- $edi
+       #DEBUG_VALUE: main:argv <- $rsi
+       #DEBUG_VALUE: fib:x <- 3
+       pushq   %rbp
+       .cfi_def_cfa_offset 16
+       pushq   %r14
+       .cfi_def_cfa_offset 24
+       pushq   %rbx
+       .cfi_def_cfa_offset 32
+       subq    $48, %rsp
+       .cfi_def_cfa_offset 80
+       .cfi_offset %rbx, -32
+       .cfi_offset %r14, -24
+       .cfi_offset %rbp, -16
+       .loc    1 27 16 prologue_end    # fibonacci.cc:27:16
+       pcmpeqd %xmm0, %xmm0
+       movdqa  %xmm0, (%rsp)
+       movdqu  %xmm0, 28(%rsp)
+       movdqa  %xmm0, 16(%rsp)
+       movabsq $4294967296, %r14       # imm = 0x100000000
+.Ltmp15:
+       #DEBUG_VALUE: fib:i <- undef
+       #DEBUG_VALUE: fib:i <- [DW_OP_plus_uconst 1, DW_OP_stack_value] undef
+       .loc    1 29 14                 # fibonacci.cc:29:14
+       movq    %r14, (%rsp)
+       .loc    1 31 14                 # fibonacci.cc:31:14
+       movl    $1, 8(%rsp)
+       movq    %rsp, %rbx
+       .loc    1 33 10                 # fibonacci.cc:33:10
+       movl    $3, %edi
+.Ltmp16:
+       movq    %rbx, %rsi
+.Ltmp17:
+       callq   _Z8real_fibiPi
+.Ltmp18:
+       #DEBUG_VALUE: main:result <- $eax
+       .loc    1 41 3                  # fibonacci.cc:41:3
+       movl    $.L.str, %edi
+       movl    %eax, %esi
+       xorl    %eax, %eax
+.Ltmp19:
+       callq   printf
+.Ltmp20:
+       .loc    1 27 16                 # fibonacci.cc:27:16
+       pcmpeqd %xmm0, %xmm0
+.Ltmp21:
+       #DEBUG_VALUE: fib:x <- 4
+       .loc    1 27 16 is_stmt 0       # fibonacci.cc:27:16
+       movdqa  %xmm0, (%rsp)
+       movdqu  %xmm0, 28(%rsp)
+       movdqa  %xmm0, 16(%rsp)
+.Ltmp22:
+       #DEBUG_VALUE: fib:i <- undef
+       #DEBUG_VALUE: fib:i <- [DW_OP_plus_uconst 1, DW_OP_stack_value] undef
+       .loc    1 29 14 is_stmt 1       # fibonacci.cc:29:14
+       movq    %r14, (%rsp)
+       .loc    1 31 14                 # fibonacci.cc:31:14
+       movl    $1, 8(%rsp)
+       .loc    1 33 10                 # fibonacci.cc:33:10
+       movl    $4, %edi
+       movq    %rbx, %rsi
+       callq   _Z8real_fibiPi
+.Ltmp23:
+       #DEBUG_VALUE: main:result <- $eax
+       .loc    1 43 3                  # fibonacci.cc:43:3
+       movl    $.L.str.1, %edi
+       movl    %eax, %esi
+       xorl    %eax, %eax
+.Ltmp24:
+       callq   printf
+.Ltmp25:
+       .loc    1 27 16                 # fibonacci.cc:27:16
+       pcmpeqd %xmm0, %xmm0
+.Ltmp26:
+       #DEBUG_VALUE: fib:x <- 5
+       .loc    1 27 16 is_stmt 0       # fibonacci.cc:27:16
+       movdqa  %xmm0, (%rsp)
+       movdqu  %xmm0, 28(%rsp)
+       movdqa  %xmm0, 16(%rsp)
+.Ltmp27:
+       #DEBUG_VALUE: fib:i <- undef
+       #DEBUG_VALUE: fib:i <- [DW_OP_plus_uconst 1, DW_OP_stack_value] undef
+       .loc    1 29 14 is_stmt 1       # fibonacci.cc:29:14
+       movq    %r14, (%rsp)
+       .loc    1 31 14                 # fibonacci.cc:31:14
+       movl    $1, 8(%rsp)
+       .loc    1 33 10                 # fibonacci.cc:33:10
+       movl    $5, %edi
+       movq    %rbx, %rsi
+       callq   _Z8real_fibiPi
+.Ltmp28:
+       #DEBUG_VALUE: main:result <- $eax
+       .loc    1 45 3                  # fibonacci.cc:45:3
+       movl    $.L.str.2, %edi
+       movl    %eax, %esi
+       xorl    %eax, %eax
+.Ltmp29:
+       callq   printf
+.Ltmp30:
+       .loc    1 27 16                 # fibonacci.cc:27:16
+       pcmpeqd %xmm0, %xmm0
+.Ltmp31:
+       #DEBUG_VALUE: fib:x <- 6
+       .loc    1 27 16 is_stmt 0       # fibonacci.cc:27:16
+       movdqa  %xmm0, (%rsp)
+       movdqu  %xmm0, 28(%rsp)
+       movdqa  %xmm0, 16(%rsp)
+.Ltmp32:
+       #DEBUG_VALUE: fib:i <- undef
+       #DEBUG_VALUE: fib:i <- [DW_OP_plus_uconst 1, DW_OP_stack_value] undef
+       .loc    1 29 14 is_stmt 1       # fibonacci.cc:29:14
+       movq    %r14, (%rsp)
+       .loc    1 31 14                 # fibonacci.cc:31:14
+       movl    $1, 8(%rsp)
+       .loc    1 33 10                 # fibonacci.cc:33:10
+       movl    $6, %edi
+       movq    %rbx, %rsi
+       callq   _Z8real_fibiPi
+.Ltmp33:
+       #DEBUG_VALUE: main:result <- $eax
+       .loc    1 47 3                  # fibonacci.cc:47:3
+       movl    $.L.str.3, %edi
+       movl    %eax, %esi
+       xorl    %eax, %eax
+.Ltmp34:
+       callq   printf
+.Ltmp35:
+       .loc    1 27 16                 # fibonacci.cc:27:16
+       pcmpeqd %xmm0, %xmm0
+.Ltmp36:
+       #DEBUG_VALUE: fib:x <- 7
+       .loc    1 27 16 is_stmt 0       # fibonacci.cc:27:16
+       movdqa  %xmm0, (%rsp)
+       movdqu  %xmm0, 28(%rsp)
+       movdqa  %xmm0, 16(%rsp)
+.Ltmp37:
+       #DEBUG_VALUE: fib:i <- undef
+       #DEBUG_VALUE: fib:i <- [DW_OP_plus_uconst 1, DW_OP_stack_value] undef
+       .loc    1 29 14 is_stmt 1       # fibonacci.cc:29:14
+       movq    %r14, (%rsp)
+       .loc    1 31 14                 # fibonacci.cc:31:14
+       movl    $1, 8(%rsp)
+       .loc    1 33 10                 # fibonacci.cc:33:10
+       movl    $7, %edi
+       movq    %rbx, %rsi
+       callq   _Z8real_fibiPi
+.Ltmp38:
+       #DEBUG_VALUE: main:result <- $eax
+       .loc    1 49 3                  # fibonacci.cc:49:3
+       movl    $.L.str.4, %edi
+       movl    %eax, %esi
+       xorl    %eax, %eax
+.Ltmp39:
+       callq   printf
+.Ltmp40:
+       .loc    1 27 16                 # fibonacci.cc:27:16
+       pcmpeqd %xmm0, %xmm0
+.Ltmp41:
+       #DEBUG_VALUE: fib:x <- 8
+       .loc    1 27 16 is_stmt 0       # fibonacci.cc:27:16
+       movdqa  %xmm0, (%rsp)
+       movdqu  %xmm0, 28(%rsp)
+       movdqa  %xmm0, 16(%rsp)
+.Ltmp42:
+       #DEBUG_VALUE: fib:i <- undef
+       #DEBUG_VALUE: fib:i <- [DW_OP_plus_uconst 1, DW_OP_stack_value] undef
+       .loc    1 29 14 is_stmt 1       # fibonacci.cc:29:14
+       movq    %r14, (%rsp)
+       .loc    1 31 14                 # fibonacci.cc:31:14
+       movl    $1, 8(%rsp)
+       .loc    1 33 10                 # fibonacci.cc:33:10
+       movl    $8, %edi
+       movq    %rbx, %rsi
+       callq   _Z8real_fibiPi
+       movl    %eax, %ebp
+.Ltmp43:
+       #DEBUG_VALUE: main:result <- $ebp
+       .loc    1 51 3                  # fibonacci.cc:51:3
+       movl    $.L.str.5, %edi
+       movl    %eax, %esi
+       xorl    %eax, %eax
+       callq   printf
+       .loc    1 52 3                  # fibonacci.cc:52:3
+       movl    $.L.str.6, %edi
+       movl    %ebp, %esi
+       xorl    %eax, %eax
+       callq   printf
+.Ltmp44:
+       .loc    1 27 16                 # fibonacci.cc:27:16
+       pcmpeqd %xmm0, %xmm0
+.Ltmp45:
+       #DEBUG_VALUE: fib:x <- 10
+       .loc    1 27 16 is_stmt 0       # fibonacci.cc:27:16
+       movdqa  %xmm0, (%rsp)
+       movdqu  %xmm0, 28(%rsp)
+       movdqa  %xmm0, 16(%rsp)
+.Ltmp46:
+       #DEBUG_VALUE: fib:i <- undef
+       #DEBUG_VALUE: fib:i <- [DW_OP_plus_uconst 1, DW_OP_stack_value] undef
+       .loc    1 29 14 is_stmt 1       # fibonacci.cc:29:14
+       movq    %r14, (%rsp)
+       .loc    1 31 14                 # fibonacci.cc:31:14
+       movl    $1, 8(%rsp)
+       .loc    1 33 10                 # fibonacci.cc:33:10
+       movl    $10, %edi
+       movq    %rbx, %rsi
+       callq   _Z8real_fibiPi
+.Ltmp47:
+       #DEBUG_VALUE: main:result <- $eax
+       .loc    1 54 3                  # fibonacci.cc:54:3
+       movl    $.L.str.7, %edi
+       movl    %eax, %esi
+       xorl    %eax, %eax
+.Ltmp48:
+       callq   printf
+       .loc    1 56 3                  # fibonacci.cc:56:3
+       xorl    %eax, %eax
+       addq    $48, %rsp
+       .cfi_def_cfa_offset 32
+       popq    %rbx
+       .cfi_def_cfa_offset 24
+       popq    %r14
+       .cfi_def_cfa_offset 16
+       popq    %rbp
+       .cfi_def_cfa_offset 8
+       retq
+.Ltmp49:
+.Lfunc_end2:
+       .size   main, .Lfunc_end2-main
+       .cfi_endproc
+                                        # -- End function
+       .type   .L.str,@object          # @.str
+       .section        .rodata.str1.1,"aMS",@progbits,1
+.L.str:
+       .asciz  "fibonacci(3) = %d\n"
+       .size   .L.str, 19
+
+       .type   .L.str.1,@object        # @.str.1
+.L.str.1:
+       .asciz  "fibonacci(4) = %d\n"
+       .size   .L.str.1, 19
+
+       .type   .L.str.2,@object        # @.str.2
+.L.str.2:
+       .asciz  "fibonacci(5) = %d\n"
+       .size   .L.str.2, 19
+
+       .type   .L.str.3,@object        # @.str.3
+.L.str.3:
+       .asciz  "fibonacci(6) = %d\n"
+       .size   .L.str.3, 19
+
+       .type   .L.str.4,@object        # @.str.4
+.L.str.4:
+       .asciz  "fibonacci(7) = %d\n"
+       .size   .L.str.4, 19
+
+       .type   .L.str.5,@object        # @.str.5
+.L.str.5:
+       .asciz  "fibonacci(8) = %d\n"
+       .size   .L.str.5, 19
+
+       .type   .L.str.6,@object        # @.str.6
+.L.str.6:
+       .asciz  "fibonacci(9) = %d\n"
+       .size   .L.str.6, 19
+
+       .type   .L.str.7,@object        # @.str.7
+.L.str.7:
+       .asciz  "fibonacci(10) = %d\n"
+       .size   .L.str.7, 20
+
+       .section        .debug_str,"MS",@progbits,1
+.Lskel_string0:
+       .asciz  "/usr/local/google3/cmtice/llvm.tot2/build/test/tools/llvm-dwarfdump/X86/Output/statistics-dwo.test.tmp" # string offset=0
+.Lskel_string1:
+       .asciz  "fib"                   # string offset=71
+.Lskel_string2:
+       .asciz  "main"                  # string offset=75
+.Lskel_string3:
+       .asciz  "statistics-fib.split-dwarf.dwo" # string offset=80
+       .section        .debug_loc.dwo,"e",@progbits
+.Ldebug_loc0:
+       .byte   3
+       .byte   0
+       .long   .Ltmp4-.Lfunc_begin0
+       .short  1                       # Loc expr size
+       .byte   85                      # super-register DW_OP_reg5
+       .byte   0
+.Ldebug_loc1:
+       .byte   3
+       .byte   0
+       .long   .Ltmp3-.Lfunc_begin0
+       .short  1                       # Loc expr size
+       .byte   84                      # DW_OP_reg4
+       .byte   3
+       .byte   9
+       .long   .Ltmp6-.Ltmp3
+       .short  1                       # Loc expr size
+       .byte   83                      # DW_OP_reg3
+       .byte   0
+.Ldebug_loc2:
+       .byte   3
+       .byte   10
+       .long   .Lfunc_end0-.Ltmp5
+       .short  1                       # Loc expr size
+       .byte   80                      # super-register DW_OP_reg0
+       .byte   0
+.Ldebug_loc3:
+       .byte   3
+       .byte   1
+       .long   .Ltmp13-.Lfunc_begin1
+       .short  1                       # Loc expr size
+       .byte   85                      # super-register DW_OP_reg5
+       .byte   0
+.Ldebug_loc4:
+       .byte   3
+       .byte   2
+       .long   .Ltmp16-.Lfunc_begin2
+       .short  1                       # Loc expr size
+       .byte   85                      # super-register DW_OP_reg5
+       .byte   0
+.Ldebug_loc5:
+       .byte   3
+       .byte   2
+       .long   .Ltmp17-.Lfunc_begin2
+       .short  1                       # Loc expr size
+       .byte   84                      # DW_OP_reg4
+       .byte   0
+.Ldebug_loc6:
+       .byte   3
+       .byte   11
+       .long   .Ltmp19-.Ltmp18
+       .short  1                       # Loc expr size
+       .byte   80                      # super-register DW_OP_reg0
+       .byte   3
+       .byte   12
+       .long   .Ltmp24-.Ltmp23
+       .short  1                       # Loc expr size
+       .byte   80                      # super-register DW_OP_reg0
+       .byte   3
+       .byte   13
+       .long   .Ltmp29-.Ltmp28
+       .short  1                       # Loc expr size
+       .byte   80                      # super-register DW_OP_reg0
+       .byte   3
+       .byte   14
+       .long   .Ltmp34-.Ltmp33
+       .short  1                       # Loc expr size
+       .byte   80                      # super-register DW_OP_reg0
+       .byte   3
+       .byte   15
+       .long   .Ltmp39-.Ltmp38
+       .short  1                       # Loc expr size
+       .byte   80                      # super-register DW_OP_reg0
+       .byte   3
+       .byte   16
+       .long   .Ltmp47-.Ltmp43
+       .short  1                       # Loc expr size
+       .byte   86                      # super-register DW_OP_reg6
+       .byte   3
+       .byte   17
+       .long   .Ltmp48-.Ltmp47
+       .short  1                       # Loc expr size
+       .byte   80                      # super-register DW_OP_reg0
+       .byte   0
+.Ldebug_loc7:
+       .byte   3
+       .byte   3
+       .long   .Lfunc_end2-.Ltmp21
+       .short  3                       # Loc expr size
+       .byte   17                      # DW_OP_consts
+       .byte   4                       # 4
+       .byte   159                     # DW_OP_stack_value
+       .byte   0
+.Ldebug_loc8:
+       .byte   3
+       .byte   4
+       .long   .Lfunc_end2-.Ltmp26
+       .short  3                       # Loc expr size
+       .byte   17                      # DW_OP_consts
+       .byte   5                       # 5
+       .byte   159                     # DW_OP_stack_value
+       .byte   0
+.Ldebug_loc9:
+       .byte   3
+       .byte   5
+       .long   .Lfunc_end2-.Ltmp31
+       .short  3                       # Loc expr size
+       .byte   17                      # DW_OP_consts
+       .byte   6                       # 6
+       .byte   159                     # DW_OP_stack_value
+       .byte   0
+.Ldebug_loc10:
+       .byte   3
+       .byte   6
+       .long   .Lfunc_end2-.Ltmp36
+       .short  3                       # Loc expr size
+       .byte   17                      # DW_OP_consts
+       .byte   7                       # 7
+       .byte   159                     # DW_OP_stack_value
+       .byte   0
+.Ldebug_loc11:
+       .byte   3
+       .byte   7
+       .long   .Lfunc_end2-.Ltmp41
+       .short  3                       # Loc expr size
+       .byte   17                      # DW_OP_consts
+       .byte   8                       # 8
+       .byte   159                     # DW_OP_stack_value
+       .byte   0
+.Ldebug_loc12:
+       .byte   3
+       .byte   8
+       .long   .Lfunc_end2-.Ltmp45
+       .short  3                       # Loc expr size
+       .byte   17                      # DW_OP_consts
+       .byte   10                      # 10
+       .byte   159                     # DW_OP_stack_value
+       .byte   0
+       .section        .debug_abbrev,"",@progbits
+       .byte   1                       # Abbreviation Code
+       .byte   17                      # DW_TAG_compile_unit
+       .byte   1                       # DW_CHILDREN_yes
+       .byte   16                      # DW_AT_stmt_list
+       .byte   23                      # DW_FORM_sec_offset
+#      .byte   27                      # DW_AT_comp_dir
+#      .byte   14                      # DW_FORM_strp
+       .ascii  "\264B"                 # DW_AT_GNU_pubnames
+       .byte   25                      # DW_FORM_flag_present
+       .ascii  "\260B"                 # DW_AT_GNU_dwo_name
+       .byte   14                      # DW_FORM_strp
+       .ascii  "\261B"                 # DW_AT_GNU_dwo_id
+       .byte   7                       # DW_FORM_data8
+       .ascii  "\262B"                 # DW_AT_GNU_ranges_base
+       .byte   23                      # DW_FORM_sec_offset
+       .ascii  "\263B"                 # DW_AT_GNU_addr_base
+       .byte   23                      # DW_FORM_sec_offset
+       .byte   17                      # DW_AT_low_pc
+       .byte   1                       # DW_FORM_addr
+       .byte   18                      # DW_AT_high_pc
+       .byte   6                       # DW_FORM_data4
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   2                       # Abbreviation Code
+       .byte   46                      # DW_TAG_subprogram
+       .byte   0                       # DW_CHILDREN_no
+       .byte   3                       # DW_AT_name
+       .byte   14                      # DW_FORM_strp
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   3                       # Abbreviation Code
+       .byte   46                      # DW_TAG_subprogram
+       .byte   1                       # DW_CHILDREN_yes
+       .byte   17                      # DW_AT_low_pc
+       .byte   1                       # DW_FORM_addr
+       .byte   18                      # DW_AT_high_pc
+       .byte   6                       # DW_FORM_data4
+       .byte   3                       # DW_AT_name
+       .byte   14                      # DW_FORM_strp
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   4                       # Abbreviation Code
+       .byte   29                      # DW_TAG_inlined_subroutine
+       .byte   0                       # DW_CHILDREN_no
+       .byte   49                      # DW_AT_abstract_origin
+       .byte   19                      # DW_FORM_ref4
+       .byte   85                      # DW_AT_ranges
+       .byte   23                      # DW_FORM_sec_offset
+       .byte   88                      # DW_AT_call_file
+       .byte   11                      # DW_FORM_data1
+       .byte   89                      # DW_AT_call_line
+       .byte   11                      # DW_FORM_data1
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   5                       # Abbreviation Code
+       .byte   29                      # DW_TAG_inlined_subroutine
+       .byte   0                       # DW_CHILDREN_no
+       .byte   49                      # DW_AT_abstract_origin
+       .byte   19                      # DW_FORM_ref4
+       .byte   17                      # DW_AT_low_pc
+       .byte   1                       # DW_FORM_addr
+       .byte   18                      # DW_AT_high_pc
+       .byte   6                       # DW_FORM_data4
+       .byte   88                      # DW_AT_call_file
+       .byte   11                      # DW_FORM_data1
+       .byte   89                      # DW_AT_call_line
+       .byte   11                      # DW_FORM_data1
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   0                       # EOM(3)
+       .section        .debug_info,"",@progbits
+.Lcu_begin0:
+       .long   .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
+.Ldebug_info_start0:
+       .short  4                       # DWARF version number
+       .long   .debug_abbrev           # Offset Into Abbrev. Section
+       .byte   8                       # Address Size (in bytes)
+       .byte   1                       # Abbrev [1] 0xb:0xbe DW_TAG_compile_unit
+       .long   .Lline_table_start0     # DW_AT_stmt_list
+#      .long   .Lskel_string0          # DW_AT_comp_dir
+                                        # DW_AT_GNU_pubnames
+       .long   .Lskel_string3          # DW_AT_GNU_dwo_name
+       .quad   -7268627715780183436    # DW_AT_GNU_dwo_id
+       .long   .debug_ranges           # DW_AT_GNU_ranges_base
+       .long   .Laddr_table_base0      # DW_AT_GNU_addr_base
+       .quad   .Lfunc_begin0           # DW_AT_low_pc
+       .long   .Lfunc_end2-.Lfunc_begin0 # DW_AT_high_pc
+       .byte   2                       # Abbrev [2] 0x34:0x5 DW_TAG_subprogram
+       .long   .Lskel_string1          # DW_AT_name
+       .byte   3                       # Abbrev [3] 0x39:0x8f DW_TAG_subprogram
+       .quad   .Lfunc_begin2           # DW_AT_low_pc
+       .long   .Lfunc_end2-.Lfunc_begin2 # DW_AT_high_pc
+       .long   .Lskel_string2          # DW_AT_name
+       .byte   4                       # Abbrev [4] 0x4a:0xb DW_TAG_inlined_subroutine
+       .long   52                      # DW_AT_abstract_origin
+       .long   .Ldebug_ranges1         # DW_AT_ranges
+       .byte   1                       # DW_AT_call_file
+       .byte   40                      # DW_AT_call_line
+       .byte   5                       # Abbrev [5] 0x55:0x13 DW_TAG_inlined_subroutine
+       .long   52                      # DW_AT_abstract_origin
+       .quad   .Ltmp21                 # DW_AT_low_pc
+       .long   .Ltmp23-.Ltmp21         # DW_AT_high_pc
+       .byte   1                       # DW_AT_call_file
+       .byte   42                      # DW_AT_call_line
+       .byte   5                       # Abbrev [5] 0x68:0x13 DW_TAG_inlined_subroutine
+       .long   52                      # DW_AT_abstract_origin
+       .quad   .Ltmp26                 # DW_AT_low_pc
+       .long   .Ltmp28-.Ltmp26         # DW_AT_high_pc
+       .byte   1                       # DW_AT_call_file
+       .byte   44                      # DW_AT_call_line
+       .byte   5                       # Abbrev [5] 0x7b:0x13 DW_TAG_inlined_subroutine
+       .long   52                      # DW_AT_abstract_origin
+       .quad   .Ltmp31                 # DW_AT_low_pc
+       .long   .Ltmp33-.Ltmp31         # DW_AT_high_pc
+       .byte   1                       # DW_AT_call_file
+       .byte   46                      # DW_AT_call_line
+       .byte   5                       # Abbrev [5] 0x8e:0x13 DW_TAG_inlined_subroutine
+       .long   52                      # DW_AT_abstract_origin
+       .quad   .Ltmp36                 # DW_AT_low_pc
+       .long   .Ltmp38-.Ltmp36         # DW_AT_high_pc
+       .byte   1                       # DW_AT_call_file
+       .byte   48                      # DW_AT_call_line
+       .byte   5                       # Abbrev [5] 0xa1:0x13 DW_TAG_inlined_subroutine
+       .long   52                      # DW_AT_abstract_origin
+       .quad   .Ltmp41                 # DW_AT_low_pc
+       .long   .Ltmp43-.Ltmp41         # DW_AT_high_pc
+       .byte   1                       # DW_AT_call_file
+       .byte   50                      # DW_AT_call_line
+       .byte   5                       # Abbrev [5] 0xb4:0x13 DW_TAG_inlined_subroutine
+       .long   52                      # DW_AT_abstract_origin
+       .quad   .Ltmp45                 # DW_AT_low_pc
+       .long   .Ltmp47-.Ltmp45         # DW_AT_high_pc
+       .byte   1                       # DW_AT_call_file
+       .byte   53                      # DW_AT_call_line
+       .byte   0                       # End Of Children Mark
+       .byte   0                       # End Of Children Mark
+.Ldebug_info_end0:
+       .section        .debug_ranges,"",@progbits
+.Ldebug_ranges0:
+       .quad   .Lfunc_begin2-.Lfunc_begin0
+       .quad   .Ltmp18-.Lfunc_begin0
+       .quad   .Ltmp20-.Lfunc_begin0
+       .quad   .Ltmp21-.Lfunc_begin0
+       .quad   .Ltmp25-.Lfunc_begin0
+       .quad   .Ltmp26-.Lfunc_begin0
+       .quad   .Ltmp30-.Lfunc_begin0
+       .quad   .Ltmp31-.Lfunc_begin0
+       .quad   .Ltmp35-.Lfunc_begin0
+       .quad   .Ltmp36-.Lfunc_begin0
+       .quad   .Ltmp40-.Lfunc_begin0
+       .quad   .Ltmp41-.Lfunc_begin0
+       .quad   .Ltmp44-.Lfunc_begin0
+       .quad   .Ltmp45-.Lfunc_begin0
+       .quad   0
+       .quad   0
+.Ldebug_ranges1:
+       .quad   .Lfunc_begin2-.Lfunc_begin0
+       .quad   .Ltmp18-.Lfunc_begin0
+       .quad   .Ltmp20-.Lfunc_begin0
+       .quad   .Ltmp21-.Lfunc_begin0
+       .quad   .Ltmp25-.Lfunc_begin0
+       .quad   .Ltmp26-.Lfunc_begin0
+       .quad   .Ltmp30-.Lfunc_begin0
+       .quad   .Ltmp31-.Lfunc_begin0
+       .quad   .Ltmp35-.Lfunc_begin0
+       .quad   .Ltmp36-.Lfunc_begin0
+       .quad   .Ltmp40-.Lfunc_begin0
+       .quad   .Ltmp41-.Lfunc_begin0
+       .quad   .Ltmp44-.Lfunc_begin0
+       .quad   .Ltmp45-.Lfunc_begin0
+       .quad   0
+       .quad   0
+       .section        .debug_macinfo,"",@progbits
+       .byte   0                       # End Of Macro List Mark
+       .section        .debug_str.dwo,"eMS",@progbits,1
+.Linfo_string0:
+       .asciz  "_Z3fibi"               # string offset=0
+.Linfo_string1:
+       .asciz  "fib"                   # string offset=8
+.Linfo_string2:
+       .asciz  "int"                   # string offset=12
+.Linfo_string3:
+       .asciz  "x"                     # string offset=16
+.Linfo_string4:
+       .asciz  "answers"               # string offset=18
+.Linfo_string5:
+       .asciz  "__ARRAY_SIZE_TYPE__"   # string offset=26
+.Linfo_string6:
+       .asciz  "i"                     # string offset=46
+.Linfo_string7:
+       .asciz  "_Z8real_fibiPi"        # string offset=48
+.Linfo_string8:
+       .asciz  "real_fib"              # string offset=63
+.Linfo_string9:
+       .asciz  "main"                  # string offset=72
+.Linfo_string10:
+       .asciz  "result"                # string offset=77
+.Linfo_string11:
+       .asciz  "argc"                  # string offset=84
+.Linfo_string12:
+       .asciz  "argv"                  # string offset=89
+.Linfo_string13:
+       .asciz  "char"                  # string offset=94
+.Linfo_string14:
+       .asciz  "clang version 9.0.0 (trunk 358316)" # string offset=99
+.Linfo_string15:
+       .asciz  "fibonacci.cc"          # string offset=134
+.Linfo_string16:
+       .asciz  "statistics-fib.split-dwarf.dwo" # string offset=147
+       .section        .debug_str_offsets.dwo,"e",@progbits
+       .long   0
+       .long   8
+       .long   12
+       .long   16
+       .long   18
+       .long   26
+       .long   46
+       .long   48
+       .long   63
+       .long   72
+       .long   77
+       .long   84
+       .long   89
+       .long   94
+       .long   99
+       .long   134
+       .long   147
+       .section        .debug_info.dwo,"e",@progbits
+       .long   .Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit
+.Ldebug_info_dwo_start0:
+       .short  4                       # DWARF version number
+       .long   0                       # Offset Into Abbrev. Section
+       .byte   8                       # Address Size (in bytes)
+       .byte   1                       # Abbrev [1] 0xb:0x1d6 DW_TAG_compile_unit
+       .byte   14                      # DW_AT_producer
+       .short  4                       # DW_AT_language
+       .byte   15                      # DW_AT_name
+       .byte   16                      # DW_AT_GNU_dwo_name
+       .quad   -7268627715780183436    # DW_AT_GNU_dwo_id
+       .byte   2                       # Abbrev [2] 0x19:0x35 DW_TAG_subprogram
+       .byte   0                       # DW_AT_low_pc
+       .long   .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
+       .byte   1                       # DW_AT_frame_base
+       .byte   87
+       .byte   7                       # DW_AT_linkage_name
+       .byte   8                       # DW_AT_name
+       .byte   1                       # DW_AT_decl_file
+       .byte   4                       # DW_AT_decl_line
+       .long   148                     # DW_AT_type
+                                        # DW_AT_external
+       .byte   3                       # Abbrev [3] 0x29:0xc DW_TAG_formal_parameter
+       .long   .Ldebug_loc0-.debug_loc.dwo # DW_AT_location
+       .byte   3                       # DW_AT_name
+       .byte   1                       # DW_AT_decl_file
+       .byte   4                       # DW_AT_decl_line
+       .long   148                     # DW_AT_type
+       .byte   3                       # Abbrev [3] 0x35:0xc DW_TAG_formal_parameter
+       .long   .Ldebug_loc1-.debug_loc.dwo # DW_AT_location
+       .byte   4                       # DW_AT_name
+       .byte   1                       # DW_AT_decl_file
+       .byte   4                       # DW_AT_decl_line
+       .long   461                     # DW_AT_type
+       .byte   4                       # Abbrev [4] 0x41:0xc DW_TAG_variable
+       .long   .Ldebug_loc2-.debug_loc.dwo # DW_AT_location
+       .byte   10                      # DW_AT_name
+       .byte   1                       # DW_AT_decl_file
+       .byte   6                       # DW_AT_decl_line
+       .long   148                     # DW_AT_type
+       .byte   0                       # End Of Children Mark
+       .byte   5                       # Abbrev [5] 0x4e:0x23 DW_TAG_subprogram
+       .byte   1                       # DW_AT_low_pc
+       .long   .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc
+       .byte   1                       # DW_AT_frame_base
+       .byte   87
+       .long   113                     # DW_AT_abstract_origin
+       .byte   6                       # Abbrev [6] 0x5a:0x9 DW_TAG_formal_parameter
+       .long   .Ldebug_loc3-.debug_loc.dwo # DW_AT_location
+       .long   123                     # DW_AT_abstract_origin
+       .byte   7                       # Abbrev [7] 0x63:0x8 DW_TAG_variable
+       .byte   2                       # DW_AT_location
+       .byte   145
+       .byte   0
+       .long   131                     # DW_AT_abstract_origin
+       .byte   8                       # Abbrev [8] 0x6b:0x5 DW_TAG_variable
+       .long   139                     # DW_AT_abstract_origin
+       .byte   0                       # End Of Children Mark
+       .byte   9                       # Abbrev [9] 0x71:0x23 DW_TAG_subprogram
+       .byte   0                       # DW_AT_linkage_name
+       .byte   1                       # DW_AT_name
+       .byte   1                       # DW_AT_decl_file
+       .byte   18                      # DW_AT_decl_line
+       .long   148                     # DW_AT_type
+                                        # DW_AT_external
+       .byte   1                       # DW_AT_inline
+       .byte   10                      # Abbrev [10] 0x7b:0x8 DW_TAG_formal_parameter
+       .byte   3                       # DW_AT_name
+       .byte   1                       # DW_AT_decl_file
+       .byte   18                      # DW_AT_decl_line
+       .long   148                     # DW_AT_type
+       .byte   11                      # Abbrev [11] 0x83:0x8 DW_TAG_variable
+       .byte   4                       # DW_AT_name
+       .byte   1                       # DW_AT_decl_file
+       .byte   20                      # DW_AT_decl_line
+       .long   152                     # DW_AT_type
+       .byte   11                      # Abbrev [11] 0x8b:0x8 DW_TAG_variable
+       .byte   6                       # DW_AT_name
+       .byte   1                       # DW_AT_decl_file
+       .byte   21                      # DW_AT_decl_line
+       .long   148                     # DW_AT_type
+       .byte   0                       # End Of Children Mark
+       .byte   12                      # Abbrev [12] 0x94:0x4 DW_TAG_base_type
+       .byte   2                       # DW_AT_name
+       .byte   5                       # DW_AT_encoding
+       .byte   4                       # DW_AT_byte_size
+       .byte   13                      # Abbrev [13] 0x98:0xc DW_TAG_array_type
+       .long   148                     # DW_AT_type
+       .byte   14                      # Abbrev [14] 0x9d:0x6 DW_TAG_subrange_type
+       .long   164                     # DW_AT_type
+       .byte   11                      # DW_AT_count
+       .byte   0                       # End Of Children Mark
+       .byte   15                      # Abbrev [15] 0xa4:0x4 DW_TAG_base_type
+       .byte   5                       # DW_AT_name
+       .byte   8                       # DW_AT_byte_size
+       .byte   7                       # DW_AT_encoding
+       .byte   16                      # Abbrev [16] 0xa8:0x125 DW_TAG_subprogram
+       .byte   2                       # DW_AT_low_pc
+       .long   .Lfunc_end2-.Lfunc_begin2 # DW_AT_high_pc
+       .byte   1                       # DW_AT_frame_base
+       .byte   87
+       .byte   9                       # DW_AT_name
+       .byte   1                       # DW_AT_decl_file
+       .byte   36                      # DW_AT_decl_line
+       .long   148                     # DW_AT_type
+                                        # DW_AT_external
+       .byte   3                       # Abbrev [3] 0xb7:0xc DW_TAG_formal_parameter
+       .long   .Ldebug_loc4-.debug_loc.dwo # DW_AT_location
+       .byte   11                      # DW_AT_name
+       .byte   1                       # DW_AT_decl_file
+       .byte   36                      # DW_AT_decl_line
+       .long   148                     # DW_AT_type
+       .byte   3                       # Abbrev [3] 0xc3:0xc DW_TAG_formal_parameter
+       .long   .Ldebug_loc5-.debug_loc.dwo # DW_AT_location
+       .byte   12                      # DW_AT_name
+       .byte   1                       # DW_AT_decl_file
+       .byte   36                      # DW_AT_decl_line
+       .long   466                     # DW_AT_type
+       .byte   4                       # Abbrev [4] 0xcf:0xc DW_TAG_variable
+       .long   .Ldebug_loc6-.debug_loc.dwo # DW_AT_location
+       .byte   10                      # DW_AT_name
+       .byte   1                       # DW_AT_decl_file
+       .byte   38                      # DW_AT_decl_line
+       .long   148                     # DW_AT_type
+       .byte   17                      # Abbrev [17] 0xdb:0x1f DW_TAG_inlined_subroutine
+       .long   113                     # DW_AT_abstract_origin
+       .long   .Ldebug_ranges0-.debug_ranges # DW_AT_ranges
+       .byte   1                       # DW_AT_call_file
+       .byte   40                      # DW_AT_call_line
+       .byte   18                      # Abbrev [18] 0xe6:0x6 DW_TAG_formal_parameter
+       .byte   3                       # DW_AT_const_value
+       .long   123                     # DW_AT_abstract_origin
+       .byte   7                       # Abbrev [7] 0xec:0x8 DW_TAG_variable
+       .byte   2                       # DW_AT_location
+       .byte   145
+       .byte   0
+       .long   131                     # DW_AT_abstract_origin
+       .byte   8                       # Abbrev [8] 0xf4:0x5 DW_TAG_variable
+       .long   139                     # DW_AT_abstract_origin
+       .byte   0                       # End Of Children Mark
+       .byte   19                      # Abbrev [19] 0xfa:0x23 DW_TAG_inlined_subroutine
+       .long   113                     # DW_AT_abstract_origin
+       .byte   3                       # DW_AT_low_pc
+       .long   .Ltmp23-.Ltmp21         # DW_AT_high_pc
+       .byte   1                       # DW_AT_call_file
+       .byte   42                      # DW_AT_call_line
+       .byte   6                       # Abbrev [6] 0x106:0x9 DW_TAG_formal_parameter
+       .long   .Ldebug_loc7-.debug_loc.dwo # DW_AT_location
+       .long   123                     # DW_AT_abstract_origin
+       .byte   7                       # Abbrev [7] 0x10f:0x8 DW_TAG_variable
+       .byte   2                       # DW_AT_location
+       .byte   145
+       .byte   0
+       .long   131                     # DW_AT_abstract_origin
+       .byte   8                       # Abbrev [8] 0x117:0x5 DW_TAG_variable
+       .long   139                     # DW_AT_abstract_origin
+       .byte   0                       # End Of Children Mark
+       .byte   19                      # Abbrev [19] 0x11d:0x23 DW_TAG_inlined_subroutine
+       .long   113                     # DW_AT_abstract_origin
+       .byte   4                       # DW_AT_low_pc
+       .long   .Ltmp28-.Ltmp26         # DW_AT_high_pc
+       .byte   1                       # DW_AT_call_file
+       .byte   44                      # DW_AT_call_line
+       .byte   6                       # Abbrev [6] 0x129:0x9 DW_TAG_formal_parameter
+       .long   .Ldebug_loc8-.debug_loc.dwo # DW_AT_location
+       .long   123                     # DW_AT_abstract_origin
+       .byte   7                       # Abbrev [7] 0x132:0x8 DW_TAG_variable
+       .byte   2                       # DW_AT_location
+       .byte   145
+       .byte   0
+       .long   131                     # DW_AT_abstract_origin
+       .byte   8                       # Abbrev [8] 0x13a:0x5 DW_TAG_variable
+       .long   139                     # DW_AT_abstract_origin
+       .byte   0                       # End Of Children Mark
+       .byte   19                      # Abbrev [19] 0x140:0x23 DW_TAG_inlined_subroutine
+       .long   113                     # DW_AT_abstract_origin
+       .byte   5                       # DW_AT_low_pc
+       .long   .Ltmp33-.Ltmp31         # DW_AT_high_pc
+       .byte   1                       # DW_AT_call_file
+       .byte   46                      # DW_AT_call_line
+       .byte   6                       # Abbrev [6] 0x14c:0x9 DW_TAG_formal_parameter
+       .long   .Ldebug_loc9-.debug_loc.dwo # DW_AT_location
+       .long   123                     # DW_AT_abstract_origin
+       .byte   7                       # Abbrev [7] 0x155:0x8 DW_TAG_variable
+       .byte   2                       # DW_AT_location
+       .byte   145
+       .byte   0
+       .long   131                     # DW_AT_abstract_origin
+       .byte   8                       # Abbrev [8] 0x15d:0x5 DW_TAG_variable
+       .long   139                     # DW_AT_abstract_origin
+       .byte   0                       # End Of Children Mark
+       .byte   19                      # Abbrev [19] 0x163:0x23 DW_TAG_inlined_subroutine
+       .long   113                     # DW_AT_abstract_origin
+       .byte   6                       # DW_AT_low_pc
+       .long   .Ltmp38-.Ltmp36         # DW_AT_high_pc
+       .byte   1                       # DW_AT_call_file
+       .byte   48                      # DW_AT_call_line
+       .byte   6                       # Abbrev [6] 0x16f:0x9 DW_TAG_formal_parameter
+       .long   .Ldebug_loc10-.debug_loc.dwo # DW_AT_location
+       .long   123                     # DW_AT_abstract_origin
+       .byte   7                       # Abbrev [7] 0x178:0x8 DW_TAG_variable
+       .byte   2                       # DW_AT_location
+       .byte   145
+       .byte   0
+       .long   131                     # DW_AT_abstract_origin
+       .byte   8                       # Abbrev [8] 0x180:0x5 DW_TAG_variable
+       .long   139                     # DW_AT_abstract_origin
+       .byte   0                       # End Of Children Mark
+       .byte   19                      # Abbrev [19] 0x186:0x23 DW_TAG_inlined_subroutine
+       .long   113                     # DW_AT_abstract_origin
+       .byte   7                       # DW_AT_low_pc
+       .long   .Ltmp43-.Ltmp41         # DW_AT_high_pc
+       .byte   1                       # DW_AT_call_file
+       .byte   50                      # DW_AT_call_line
+       .byte   6                       # Abbrev [6] 0x192:0x9 DW_TAG_formal_parameter
+       .long   .Ldebug_loc11-.debug_loc.dwo # DW_AT_location
+       .long   123                     # DW_AT_abstract_origin
+       .byte   7                       # Abbrev [7] 0x19b:0x8 DW_TAG_variable
+       .byte   2                       # DW_AT_location
+       .byte   145
+       .byte   0
+       .long   131                     # DW_AT_abstract_origin
+       .byte   8                       # Abbrev [8] 0x1a3:0x5 DW_TAG_variable
+       .long   139                     # DW_AT_abstract_origin
+       .byte   0                       # End Of Children Mark
+       .byte   19                      # Abbrev [19] 0x1a9:0x23 DW_TAG_inlined_subroutine
+       .long   113                     # DW_AT_abstract_origin
+       .byte   8                       # DW_AT_low_pc
+       .long   .Ltmp47-.Ltmp45         # DW_AT_high_pc
+       .byte   1                       # DW_AT_call_file
+       .byte   53                      # DW_AT_call_line
+       .byte   6                       # Abbrev [6] 0x1b5:0x9 DW_TAG_formal_parameter
+       .long   .Ldebug_loc12-.debug_loc.dwo # DW_AT_location
+       .long   123                     # DW_AT_abstract_origin
+       .byte   7                       # Abbrev [7] 0x1be:0x8 DW_TAG_variable
+       .byte   2                       # DW_AT_location
+       .byte   145
+       .byte   0
+       .long   131                     # DW_AT_abstract_origin
+       .byte   8                       # Abbrev [8] 0x1c6:0x5 DW_TAG_variable
+       .long   139                     # DW_AT_abstract_origin
+       .byte   0                       # End Of Children Mark
+       .byte   0                       # End Of Children Mark
+       .byte   20                      # Abbrev [20] 0x1cd:0x5 DW_TAG_pointer_type
+       .long   148                     # DW_AT_type
+       .byte   20                      # Abbrev [20] 0x1d2:0x5 DW_TAG_pointer_type
+       .long   471                     # DW_AT_type
+       .byte   20                      # Abbrev [20] 0x1d7:0x5 DW_TAG_pointer_type
+       .long   476                     # DW_AT_type
+       .byte   12                      # Abbrev [12] 0x1dc:0x4 DW_TAG_base_type
+       .byte   13                      # DW_AT_name
+       .byte   6                       # DW_AT_encoding
+       .byte   1                       # DW_AT_byte_size
+       .byte   0                       # End Of Children Mark
+.Ldebug_info_dwo_end0:
+       .section        .debug_abbrev.dwo,"e",@progbits
+       .byte   1                       # Abbreviation Code
+       .byte   17                      # DW_TAG_compile_unit
+       .byte   1                       # DW_CHILDREN_yes
+       .byte   37                      # DW_AT_producer
+       .ascii  "\202>"                 # DW_FORM_GNU_str_index
+       .byte   19                      # DW_AT_language
+       .byte   5                       # DW_FORM_data2
+       .byte   3                       # DW_AT_name
+       .ascii  "\202>"                 # DW_FORM_GNU_str_index
+       .ascii  "\260B"                 # DW_AT_GNU_dwo_name
+       .ascii  "\202>"                 # DW_FORM_GNU_str_index
+       .ascii  "\261B"                 # DW_AT_GNU_dwo_id
+       .byte   7                       # DW_FORM_data8
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   2                       # Abbreviation Code
+       .byte   46                      # DW_TAG_subprogram
+       .byte   1                       # DW_CHILDREN_yes
+       .byte   17                      # DW_AT_low_pc
+       .ascii  "\201>"                 # DW_FORM_GNU_addr_index
+       .byte   18                      # DW_AT_high_pc
+       .byte   6                       # DW_FORM_data4
+       .byte   64                      # DW_AT_frame_base
+       .byte   24                      # DW_FORM_exprloc
+       .byte   110                     # DW_AT_linkage_name
+       .ascii  "\202>"                 # DW_FORM_GNU_str_index
+       .byte   3                       # DW_AT_name
+       .ascii  "\202>"                 # DW_FORM_GNU_str_index
+       .byte   58                      # DW_AT_decl_file
+       .byte   11                      # DW_FORM_data1
+       .byte   59                      # DW_AT_decl_line
+       .byte   11                      # DW_FORM_data1
+       .byte   73                      # DW_AT_type
+       .byte   19                      # DW_FORM_ref4
+       .byte   63                      # DW_AT_external
+       .byte   25                      # DW_FORM_flag_present
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   3                       # Abbreviation Code
+       .byte   5                       # DW_TAG_formal_parameter
+       .byte   0                       # DW_CHILDREN_no
+       .byte   2                       # DW_AT_location
+       .byte   23                      # DW_FORM_sec_offset
+       .byte   3                       # DW_AT_name
+       .ascii  "\202>"                 # DW_FORM_GNU_str_index
+       .byte   58                      # DW_AT_decl_file
+       .byte   11                      # DW_FORM_data1
+       .byte   59                      # DW_AT_decl_line
+       .byte   11                      # DW_FORM_data1
+       .byte   73                      # DW_AT_type
+       .byte   19                      # DW_FORM_ref4
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   4                       # Abbreviation Code
+       .byte   52                      # DW_TAG_variable
+       .byte   0                       # DW_CHILDREN_no
+       .byte   2                       # DW_AT_location
+       .byte   23                      # DW_FORM_sec_offset
+       .byte   3                       # DW_AT_name
+       .ascii  "\202>"                 # DW_FORM_GNU_str_index
+       .byte   58                      # DW_AT_decl_file
+       .byte   11                      # DW_FORM_data1
+       .byte   59                      # DW_AT_decl_line
+       .byte   11                      # DW_FORM_data1
+       .byte   73                      # DW_AT_type
+       .byte   19                      # DW_FORM_ref4
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   5                       # Abbreviation Code
+       .byte   46                      # DW_TAG_subprogram
+       .byte   1                       # DW_CHILDREN_yes
+       .byte   17                      # DW_AT_low_pc
+       .ascii  "\201>"                 # DW_FORM_GNU_addr_index
+       .byte   18                      # DW_AT_high_pc
+       .byte   6                       # DW_FORM_data4
+       .byte   64                      # DW_AT_frame_base
+       .byte   24                      # DW_FORM_exprloc
+       .byte   49                      # DW_AT_abstract_origin
+       .byte   19                      # DW_FORM_ref4
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   6                       # Abbreviation Code
+       .byte   5                       # DW_TAG_formal_parameter
+       .byte   0                       # DW_CHILDREN_no
+       .byte   2                       # DW_AT_location
+       .byte   23                      # DW_FORM_sec_offset
+       .byte   49                      # DW_AT_abstract_origin
+       .byte   19                      # DW_FORM_ref4
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   7                       # Abbreviation Code
+       .byte   52                      # DW_TAG_variable
+       .byte   0                       # DW_CHILDREN_no
+       .byte   2                       # DW_AT_location
+       .byte   24                      # DW_FORM_exprloc
+       .byte   49                      # DW_AT_abstract_origin
+       .byte   19                      # DW_FORM_ref4
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   8                       # Abbreviation Code
+       .byte   52                      # DW_TAG_variable
+       .byte   0                       # DW_CHILDREN_no
+       .byte   49                      # DW_AT_abstract_origin
+       .byte   19                      # DW_FORM_ref4
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   9                       # Abbreviation Code
+       .byte   46                      # DW_TAG_subprogram
+       .byte   1                       # DW_CHILDREN_yes
+       .byte   110                     # DW_AT_linkage_name
+       .ascii  "\202>"                 # DW_FORM_GNU_str_index
+       .byte   3                       # DW_AT_name
+       .ascii  "\202>"                 # DW_FORM_GNU_str_index
+       .byte   58                      # DW_AT_decl_file
+       .byte   11                      # DW_FORM_data1
+       .byte   59                      # DW_AT_decl_line
+       .byte   11                      # DW_FORM_data1
+       .byte   73                      # DW_AT_type
+       .byte   19                      # DW_FORM_ref4
+       .byte   63                      # DW_AT_external
+       .byte   25                      # DW_FORM_flag_present
+       .byte   32                      # DW_AT_inline
+       .byte   11                      # DW_FORM_data1
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   10                      # Abbreviation Code
+       .byte   5                       # DW_TAG_formal_parameter
+       .byte   0                       # DW_CHILDREN_no
+       .byte   3                       # DW_AT_name
+       .ascii  "\202>"                 # DW_FORM_GNU_str_index
+       .byte   58                      # DW_AT_decl_file
+       .byte   11                      # DW_FORM_data1
+       .byte   59                      # DW_AT_decl_line
+       .byte   11                      # DW_FORM_data1
+       .byte   73                      # DW_AT_type
+       .byte   19                      # DW_FORM_ref4
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   11                      # Abbreviation Code
+       .byte   52                      # DW_TAG_variable
+       .byte   0                       # DW_CHILDREN_no
+       .byte   3                       # DW_AT_name
+       .ascii  "\202>"                 # DW_FORM_GNU_str_index
+       .byte   58                      # DW_AT_decl_file
+       .byte   11                      # DW_FORM_data1
+       .byte   59                      # DW_AT_decl_line
+       .byte   11                      # DW_FORM_data1
+       .byte   73                      # DW_AT_type
+       .byte   19                      # DW_FORM_ref4
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   12                      # Abbreviation Code
+       .byte   36                      # DW_TAG_base_type
+       .byte   0                       # DW_CHILDREN_no
+       .byte   3                       # DW_AT_name
+       .ascii  "\202>"                 # DW_FORM_GNU_str_index
+       .byte   62                      # DW_AT_encoding
+       .byte   11                      # DW_FORM_data1
+       .byte   11                      # DW_AT_byte_size
+       .byte   11                      # DW_FORM_data1
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   13                      # Abbreviation Code
+       .byte   1                       # DW_TAG_array_type
+       .byte   1                       # DW_CHILDREN_yes
+       .byte   73                      # DW_AT_type
+       .byte   19                      # DW_FORM_ref4
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   14                      # Abbreviation Code
+       .byte   33                      # DW_TAG_subrange_type
+       .byte   0                       # DW_CHILDREN_no
+       .byte   73                      # DW_AT_type
+       .byte   19                      # DW_FORM_ref4
+       .byte   55                      # DW_AT_count
+       .byte   11                      # DW_FORM_data1
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   15                      # Abbreviation Code
+       .byte   36                      # DW_TAG_base_type
+       .byte   0                       # DW_CHILDREN_no
+       .byte   3                       # DW_AT_name
+       .ascii  "\202>"                 # DW_FORM_GNU_str_index
+       .byte   11                      # DW_AT_byte_size
+       .byte   11                      # DW_FORM_data1
+       .byte   62                      # DW_AT_encoding
+       .byte   11                      # DW_FORM_data1
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   16                      # Abbreviation Code
+       .byte   46                      # DW_TAG_subprogram
+       .byte   1                       # DW_CHILDREN_yes
+       .byte   17                      # DW_AT_low_pc
+       .ascii  "\201>"                 # DW_FORM_GNU_addr_index
+       .byte   18                      # DW_AT_high_pc
+       .byte   6                       # DW_FORM_data4
+       .byte   64                      # DW_AT_frame_base
+       .byte   24                      # DW_FORM_exprloc
+       .byte   3                       # DW_AT_name
+       .ascii  "\202>"                 # DW_FORM_GNU_str_index
+       .byte   58                      # DW_AT_decl_file
+       .byte   11                      # DW_FORM_data1
+       .byte   59                      # DW_AT_decl_line
+       .byte   11                      # DW_FORM_data1
+       .byte   73                      # DW_AT_type
+       .byte   19                      # DW_FORM_ref4
+       .byte   63                      # DW_AT_external
+       .byte   25                      # DW_FORM_flag_present
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   17                      # Abbreviation Code
+       .byte   29                      # DW_TAG_inlined_subroutine
+       .byte   1                       # DW_CHILDREN_yes
+       .byte   49                      # DW_AT_abstract_origin
+       .byte   19                      # DW_FORM_ref4
+       .byte   85                      # DW_AT_ranges
+       .byte   23                      # DW_FORM_sec_offset
+       .byte   88                      # DW_AT_call_file
+       .byte   11                      # DW_FORM_data1
+       .byte   89                      # DW_AT_call_line
+       .byte   11                      # DW_FORM_data1
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   18                      # Abbreviation Code
+       .byte   5                       # DW_TAG_formal_parameter
+       .byte   0                       # DW_CHILDREN_no
+       .byte   28                      # DW_AT_const_value
+       .byte   13                      # DW_FORM_sdata
+       .byte   49                      # DW_AT_abstract_origin
+       .byte   19                      # DW_FORM_ref4
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   19                      # Abbreviation Code
+       .byte   29                      # DW_TAG_inlined_subroutine
+       .byte   1                       # DW_CHILDREN_yes
+       .byte   49                      # DW_AT_abstract_origin
+       .byte   19                      # DW_FORM_ref4
+       .byte   17                      # DW_AT_low_pc
+       .ascii  "\201>"                 # DW_FORM_GNU_addr_index
+       .byte   18                      # DW_AT_high_pc
+       .byte   6                       # DW_FORM_data4
+       .byte   88                      # DW_AT_call_file
+       .byte   11                      # DW_FORM_data1
+       .byte   89                      # DW_AT_call_line
+       .byte   11                      # DW_FORM_data1
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   20                      # Abbreviation Code
+       .byte   15                      # DW_TAG_pointer_type
+       .byte   0                       # DW_CHILDREN_no
+       .byte   73                      # DW_AT_type
+       .byte   19                      # DW_FORM_ref4
+       .byte   0                       # EOM(1)
+       .byte   0                       # EOM(2)
+       .byte   0                       # EOM(3)
+       .section        .debug_addr,"",@progbits
+.Laddr_table_base0:
+       .quad   .Lfunc_begin0
+       .quad   .Lfunc_begin1
+       .quad   .Lfunc_begin2
+       .quad   .Ltmp21
+       .quad   .Ltmp26
+       .quad   .Ltmp31
+       .quad   .Ltmp36
+       .quad   .Ltmp41
+       .quad   .Ltmp45
+       .quad   .Ltmp3
+       .quad   .Ltmp5
+       .quad   .Ltmp18
+       .quad   .Ltmp23
+       .quad   .Ltmp28
+       .quad   .Ltmp33
+       .quad   .Ltmp38
+       .quad   .Ltmp43
+       .quad   .Ltmp47
+       .section        .debug_gnu_pubnames,"",@progbits
+       .long   .LpubNames_end0-.LpubNames_begin0 # Length of Public Names Info
+.LpubNames_begin0:
+       .short  2                       # DWARF Version
+       .long   .Lcu_begin0             # Offset of Compilation Unit Info
+       .long   201                     # Compilation Unit Length
+       .long   113                     # DIE offset
+       .byte   48                      # Attributes: FUNCTION, EXTERNAL
+       .asciz  "fib"                   # External Name
+       .long   25                      # DIE offset
+       .byte   48                      # Attributes: FUNCTION, EXTERNAL
+       .asciz  "real_fib"              # External Name
+       .long   168                     # DIE offset
+       .byte   48                      # Attributes: FUNCTION, EXTERNAL
+       .asciz  "main"                  # External Name
+       .long   0                       # End Mark
+.LpubNames_end0:
+       .section        .debug_gnu_pubtypes,"",@progbits
+       .long   .LpubTypes_end0-.LpubTypes_begin0 # Length of Public Types Info
+.LpubTypes_begin0:
+       .short  2                       # DWARF Version
+       .long   .Lcu_begin0             # Offset of Compilation Unit Info
+       .long   201                     # Compilation Unit Length
+       .long   148                     # DIE offset
+       .byte   144                     # Attributes: TYPE, STATIC
+       .asciz  "int"                   # External Name
+       .long   476                     # DIE offset
+       .byte   144                     # Attributes: TYPE, STATIC
+       .asciz  "char"                  # External Name
+       .long   0                       # End Mark
+.LpubTypes_end0:
+
+       .ident  "clang version 9.0.0 (trunk 358316)"
+       .section        ".note.GNU-stack","",@progbits
+       .addrsig
+       .section        .debug_line,"",@progbits
+.Lline_table_start0:
diff --git a/test/tools/llvm-dwarfdump/X86/statistics-dwo.test b/test/tools/llvm-dwarfdump/X86/statistics-dwo.test
new file mode 100644 (file)
index 0000000..8ed3537
--- /dev/null
@@ -0,0 +1,96 @@
+# Test of the llmv-dwarfdump --statistics with split dwarf (dwo files)
+# (version 3).
+#
+# Create a directory in which to put all files, so .o file can find .dwo file.
+RUN: rm -rf %t && mkdir -p %t
+RUN: cp -f %S/Inputs/statistics-fib.split-dwarf.s %t/.
+RUN: cd %t
+RUN: llvm-mc -triple x86_64-unknown-linux-gnu statistics-fib.split-dwarf.s -filetype=obj -split-dwarf-file statistics-fib.split-dwarf.dwo -o statistics-fib.split-dwarf.o
+RUN: llvm-dwarfdump --statistics statistics-fib.split-dwarf.o | FileCheck %s
+
+# Source program - A version of Fibonacci
+# Compilation options:  -gsplit-dwarf -O3 -c -S
+#
+# int
+# real_fib (int x, int answers[11])
+# {
+#   int result;
+# 
+#   if ((answers)[x] != -1)
+#     return (answers)[x];
+# 
+#   result = real_fib(x-1, answers) + real_fib(x-2, answers);
+#   (answers)[x] = result;
+# 
+#   return result;
+# }
+# 
+# int
+# fib (int x)
+# {
+#   int answers[11];
+#   int i;
+# 
+#   if (x > 10)
+#     return -1;
+# 
+#   for (i = 0; i < 11; i++)
+#     answers[i] = -1;
+# 
+#   answers[0] = 0;
+#   answers[1] = 1;
+#   answers[2] = 1;
+# 
+#   return real_fib(x, answers);
+# }
+# 
+# int main (int argc, char **argv)
+# {
+#   int result;
+# 
+#   result = fib(3);
+#   printf ("fibonacci(3) = %d\n", result);
+#   result = fib(4);
+#   printf ("fibonacci(4) = %d\n", result);
+#   result = fib(5);
+#   printf ("fibonacci(5) = %d\n", result);
+#   result = fib(6);
+#   printf ("fibonacci(6) = %d\n", result);
+#   result = fib(7);
+#   printf ("fibonacci(7) = %d\n", result);
+#   result = fib(8);
+#   printf ("fibonacci(8) = %d\n", result);
+#   result = fib(9);
+#   printf ("fibonacci(9) = %d\n", result);
+#   result = fib(10);
+#   printf ("fibonacci(10) = %d\n", result);
+# 
+#   return 0;
+# }
+#
+
+CHECK: "version":3
+CHECK: "source functions":3
+CHECK: "source functions with location":3
+CHECK: "inlined functions":7
+CHECK: "inlined funcs with abstract origins":7
+CHECK: "unique source variables":9
+CHECK: "source variables":30
+
+# Ideally the value below would be 33 but currently it's not.
+CHECK: "variables with location":22
+CHECK: "call site entries":7
+CHECK: "scope bytes total":2817
+CHECK: "scope bytes covered":506
+CHECK: "total function size":594
+CHECK: "total inlined function size":345
+CHECK: "total formal params":12
+CHECK: "formal params with source location":12
+CHECK: "formal params with type":12
+CHECK: "formal params with binary location":12
+CHECK: "total vars":18
+CHECK: "vars with source location":18
+CHECK: "vars with type":18
+
+# Ideally the value below would be 18, but currently it's not.
+CHECK: "vars with binary location":10
index c8cfa1e5dc06aac382b6484885254132386710bd..f26369b935cb71fdd8bb9390a03cef50a9ab6a73 100644 (file)
@@ -323,7 +323,7 @@ bool collectStatsForObjectFile(ObjectFile &Obj, DWARFContext &DICtx,
   GlobalStats GlobalStats;
   StringMap<PerFunctionStats> Statistics;
   for (const auto &CU : static_cast<DWARFContext *>(&DICtx)->compile_units())
-    if (DWARFDie CUDie = CU->getUnitDIE(false))
+    if (DWARFDie CUDie = CU->getNonSkeletonUnitDIE(false))
       collectStatsRecursive(CUDie, "/", "g", 0, 0, 0, Statistics, GlobalStats);
 
   /// The version number should be increased every time the algorithm is changed