test/DebugInfo/RISCV/dwarf-riscv-relocs.ll

   1 ; RUN: llc -filetype=obj -mtriple=riscv32 -mattr=+relax %s -o %t.o
   2 ; RUN: llvm-readobj -r %t.o | FileCheck -check-prefix=READOBJ-RELOCS %s
   3 ; RUN: llvm-objdump --source %t.o | FileCheck -check-prefix=OBJDUMP-SOURCE %s
   4 ; RUN: llvm-dwarfdump --debug-info --debug-line %t.o | \
   5 ; RUN:     FileCheck -check-prefix=DWARF-DUMP %s
   6
   7 ; Check that we actually have relocations, otherwise this is kind of pointless.
   8 ; READOBJ-RELOCS:  Section (8) .rela.debug_info {
   9 ; READOBJ-RELOCS:    0x1B R_RISCV_ADD32 - 0x0
  10 ; READOBJ-RELOCS-NEXT:    0x1B R_RISCV_SUB32 - 0x0
  11 ; READOBJ-RELOCS:  Section (15) .rela.debug_frame {
  12 ; READOBJ-RELOCS:    0x20 R_RISCV_ADD32 - 0x0
  13 ; READOBJ-RELOCS-NEXT:    0x20 R_RISCV_SUB32 - 0x0
  14 ; READOBJ-RELOCS:  Section (17) .rela.debug_line {
  15 ; READOBJ-RELOCS:    0x5A R_RISCV_ADD16 - 0x0
  16 ; READOBJ-RELOCS-NEXT:    0x5A R_RISCV_SUB16 - 0x0
  17
  18 ; Check that we can print the source, even with relocations.
  19 ; OBJDUMP-SOURCE: Disassembly of section .text:
  20 ; OBJDUMP-SOURCE-EMPTY:
  21 ; OBJDUMP-SOURCE-NEXT: 00000000 main:
  22 ; OBJDUMP-SOURCE: ; {
  23 ; OBJDUMP-SOURCE: ; return 0;
  24
  25 ; Check that we correctly dump the DWARF info, even with relocations.
  26 ; DWARF-DUMP: DW_AT_name        ("dwarf-riscv-relocs.c")
  27 ; DWARF-DUMP: DW_AT_comp_dir    (".")
  28 ; DWARF-DUMP: DW_AT_name      ("main")
  29 ; DWARF-DUMP: DW_AT_decl_file ("{{.*}}dwarf-riscv-relocs.c")
  30 ; DWARF-DUMP: DW_AT_decl_line (1)
  31 ; DWARF-DUMP: DW_AT_type      (0x00000032 "int")
  32 ; DWARF-DUMP: DW_AT_name      ("int")
  33 ; DWARF-DUMP: DW_AT_encoding  (DW_ATE_signed)
  34 ; DWARF-DUMP: DW_AT_byte_size (0x04)
  35
  36 ; DWARF-DUMP: .debug_line contents:
  37 ; DWARF-DUMP-NEXT: debug_line[0x00000000]
  38 ; DWARF-DUMP-NEXT: Line table prologue:
  39 ; DWARF-DUMP-NEXT:     total_length: 0x0000005f
  40 ; DWARF-DUMP-NEXT:          version: 5
  41 ; DWARF-DUMP-NEXT:     address_size: 4
  42 ; DWARF-DUMP-NEXT:  seg_select_size: 0
  43 ; DWARF-DUMP-NEXT:  prologue_length: 0x0000003e
  44 ; DWARF-DUMP-NEXT:  min_inst_length: 1
  45 ; DWARF-DUMP-NEXT: max_ops_per_inst: 1
  46 ; DWARF-DUMP-NEXT:  default_is_stmt: 1
  47 ; DWARF-DUMP-NEXT:        line_base: -5
  48 ; DWARF-DUMP-NEXT:       line_range: 14
  49 ; DWARF-DUMP-NEXT:      opcode_base: 13
  50 ; DWARF-DUMP-NEXT: standard_opcode_lengths[DW_LNS_copy] = 0
  51 ; DWARF-DUMP-NEXT: standard_opcode_lengths[DW_LNS_advance_pc] = 1
  52 ; DWARF-DUMP-NEXT: standard_opcode_lengths[DW_LNS_advance_line] = 1
  53 ; DWARF-DUMP-NEXT: standard_opcode_lengths[DW_LNS_set_file] = 1
  54 ; DWARF-DUMP-NEXT: standard_opcode_lengths[DW_LNS_set_column] = 1
  55 ; DWARF-DUMP-NEXT: standard_opcode_lengths[DW_LNS_negate_stmt] = 0
  56 ; DWARF-DUMP-NEXT: standard_opcode_lengths[DW_LNS_set_basic_block] = 0
  57 ; DWARF-DUMP-NEXT: standard_opcode_lengths[DW_LNS_const_add_pc] = 0
  58 ; DWARF-DUMP-NEXT: standard_opcode_lengths[DW_LNS_fixed_advance_pc] = 1
  59 ; DWARF-DUMP-NEXT: standard_opcode_lengths[DW_LNS_set_prologue_end] = 0
  60 ; DWARF-DUMP-NEXT: standard_opcode_lengths[DW_LNS_set_epilogue_begin] = 0
  61 ; DWARF-DUMP-NEXT: standard_opcode_lengths[DW_LNS_set_isa] = 1
  62 ; DWARF-DUMP-NEXT: include_directories[  0] = "."
  63 ; DWARF-DUMP-NEXT: file_names[  0]:
  64 ; DWARF-DUMP-NEXT:            name: "dwarf-riscv-relocs.c"
  65 ; DWARF-DUMP-NEXT:       dir_index: 0
  66 ; DWARF-DUMP-NEXT:    md5_checksum: 05ab89f5481bc9f2d037e7886641e919
  67 ; DWARF-DUMP-NEXT:          source: "int main()\n{\n    return 0;\n}\n"
  68 ; DWARF-DUMP-EMPTY:
  69 ; DWARF-DUMP-NEXT: Address            Line   Column File   ISA Discriminator Flags
  70 ; DWARF-DUMP-NEXT: ------------------ ------ ------ ------ --- ------------- -------------
  71 ; DWARF-DUMP-NEXT: 0x0000000000000000      2      0      0   0             0  is_stmt
  72 ; DWARF-DUMP-NEXT: 0x0000000000000014      3      5      0   0             0  is_stmt prologue_end
  73 ; DWARF-DUMP-NEXT: 0x0000000000000028      3      5      0   0             0  is_stmt end_sequence
  74
  75 ; ModuleID = 'dwarf-riscv-relocs.c'
  76 source_filename = "dwarf-riscv-relocs.c"
  77 target datalayout = "e-m:e-p:32:32-i64:64-n32-S128"
  78 target triple = "riscv32"
  79
  80 ; Function Attrs: noinline nounwind optnone
  81 define dso_local i32 @main() #0 !dbg !7 {
  82 entry:
  83   %retval = alloca i32, align 4
  84   store i32 0, i32* %retval, align 4
  85   ret i32 0, !dbg !11
  86 }
  87
  88 attributes #0 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "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-features"="+relax" "unsafe-fp-math"="false" "use-soft-float"="false" }
  89
  90 !llvm.dbg.cu = !{!0}
  91 !llvm.module.flags = !{!3, !4, !5}
  92 !llvm.ident = !{!6}
  93
  94 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
  95 !1 = !DIFile(filename: "dwarf-riscv-relocs.c", directory: ".", checksumkind: CSK_MD5, checksum: "05ab89f5481bc9f2d037e7886641e919", source: "int main()\0A{\0A    return 0;\0A}\0A")
  96 !2 = !{}
  97 !3 = !{i32 2, !"Dwarf Version", i32 5}
  98 !4 = !{i32 2, !"Debug Info Version", i32 3}
  99 !5 = !{i32 1, !"wchar_size", i32 4}
 100 !6 = !{!"clang"}
 101 !7 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 1, type: !8, scopeLine: 2, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
 102 !8 = !DISubroutineType(types: !9)
 103 !9 = !{!10}
 104 !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
 105 !11 = !DILocation(line: 3, column: 5, scope: !7)