llvm/test/DebugInfo/LoongArch/dwarf-loongarch-relocs.ll

   1 ; RUN: llc --filetype=obj --mtriple=loongarch64 --mattr=-relax %s -o %t.o
   2 ; RUN: llvm-readobj -r %t.o | FileCheck --check-prefixes=RELOCS-BOTH,RELOCS-NORL %s
   3 ; RUN: llvm-objdump --source %t.o | FileCheck --check-prefix=SOURCE %s
   4 ; RUN: llvm-dwarfdump --debug-info --debug-line %t.o | FileCheck --check-prefix=DWARF %s
   5
   6 ; RUN: llc --filetype=obj --mtriple=loongarch64 --mattr=+relax --align-all-functions=2 %s -o %t.r.o
   7 ; RUN: llvm-readobj -r %t.r.o | FileCheck --check-prefixes=RELOCS-BOTH,RELOCS-ENRL %s
   8 ; RUN: llvm-objdump --source %t.r.o | FileCheck --check-prefix=SOURCE %s
   9 ; RUN: llvm-dwarfdump --debug-info --debug-line %t.r.o | FileCheck --check-prefix=DWARF %s
  10
  11 ; RELOCS-BOTH:       Relocations [
  12 ; RELOCS-BOTH-NEXT:    Section ({{.*}}) .rela.text {
  13 ; RELOCS-BOTH-NEXT:      0x14 R_LARCH_PCALA_HI20 sym 0x0
  14 ; RELOCS-ENRL-NEXT:      0x14 R_LARCH_RELAX - 0x0
  15 ; RELOCS-BOTH-NEXT:      0x18 R_LARCH_PCALA_LO12 sym 0x0
  16 ; RELOCS-ENRL-NEXT:      0x18 R_LARCH_RELAX - 0x0
  17 ; RELOCS-BOTH-NEXT:    }
  18 ; RELOCS-BOTH:         Section ({{.*}}) .rela.debug_frame {
  19 ; RELOCS-NORL-NEXT:      0x1C R_LARCH_32 .debug_frame 0x0
  20 ; RELOCS-NORL-NEXT:      0x20 R_LARCH_64 .text 0x0
  21 ; RELOCS-ENRL-NEXT:      0x1C R_LARCH_32 .L0  0x0
  22 ; RELOCS-ENRL-NEXT:      0x20 R_LARCH_64 .L0  0x0
  23 ; RELOCS-ENRL-NEXT:      0x28 R_LARCH_ADD64 .L0  0x0
  24 ; RELOCS-ENRL-NEXT:      0x28 R_LARCH_SUB64 .L0  0x0
  25 ; RELOCS-ENRL-NEXT:      0x3F R_LARCH_ADD6 .L0  0x0
  26 ; RELOCS-ENRL-NEXT:      0x3F R_LARCH_SUB6 .L0  0x0
  27 ; RELOCS-BOTH-NEXT:    }
  28 ; RELOCS-BOTH:         Section ({{.*}}) .rela.debug_line {
  29 ; RELOCS-BOTH-NEXT:      0x22 R_LARCH_32 .debug_line_str 0x0
  30 ; RELOCS-BOTH-NEXT:      0x31 R_LARCH_32 .debug_line_str 0x2
  31 ; RELOCS-BOTH-NEXT:      0x46 R_LARCH_32 .debug_line_str 0x1B
  32 ; RELOCS-NORL-NEXT:      0x4F R_LARCH_64 .text 0x0
  33 ; RELOCS-ENRL-NEXT:      0x4F R_LARCH_64 .L0  0x0
  34 ; RELOCS-ENRL-NEXT:      0x5F R_LARCH_ADD16 .L0  0x0
  35 ; RELOCS-ENRL-NEXT:      0x5F R_LARCH_SUB16 .L0  0x0
  36 ; RELOCS-BOTH-NEXT:    }
  37 ; RELOCS-BOTH-NEXT:  ]
  38
  39 ; SOURCE:  0000000000000000 <foo>:
  40 ; SOURCE:  ; {
  41 ; SOURCE:  ;   asm volatile(
  42 ; SOURCE:  ;   return 0;
  43
  44 ; DWARF:       DW_AT_producer ("clang")
  45 ; DWARF:       DW_AT_name ("dwarf-loongarch-relocs.c")
  46 ; DWARF:       DW_AT_comp_dir (".")
  47 ; DWARF:       DW_AT_name ("foo")
  48 ; DWARF-NEXT:  DW_AT_decl_file ("{{.*}}dwarf-loongarch-relocs.c")
  49 ; DWARF-NEXT:  DW_AT_decl_line (1)
  50 ; DWARF-NEXT:  DW_AT_type (0x00000032 "int")
  51 ; DWARF:       DW_AT_name ("int")
  52 ; DWARF-NEXT:  DW_AT_encoding (DW_ATE_signed)
  53 ; DWARF-NEXT:  DW_AT_byte_size (0x04)
  54 ; DWARF:       .debug_line contents:
  55 ; DWARF-NEXT:  debug_line[0x00000000]
  56 ; DWARF-NEXT:  Line table prologue:
  57 ; DWARF-NEXT:      total_length: {{.*}}
  58 ; DWARF-NEXT:            format: DWARF32
  59 ; DWARF-NEXT:           version: 5
  60 ; DWARF-NEXT:      address_size: 8
  61 ; DWARF-NEXT:   seg_select_size: 0
  62 ; DWARF-NEXT:   prologue_length: 0x0000003e
  63 ; DWARF-NEXT:   min_inst_length: 1
  64 ; DWARF-NEXT:  max_ops_per_inst: 1
  65 ; DWARF-NEXT:   default_is_stmt: 1
  66 ; DWARF-NEXT:         line_base: -5
  67 ; DWARF-NEXT:        line_range: 14
  68 ; DWARF-NEXT:       opcode_base: 13
  69 ; DWARF-NEXT:  standard_opcode_lengths[DW_LNS_copy] = 0
  70 ; DWARF-NEXT:  standard_opcode_lengths[DW_LNS_advance_pc] = 1
  71 ; DWARF-NEXT:  standard_opcode_lengths[DW_LNS_advance_line] = 1
  72 ; DWARF-NEXT:  standard_opcode_lengths[DW_LNS_set_file] = 1
  73 ; DWARF-NEXT:  standard_opcode_lengths[DW_LNS_set_column] = 1
  74 ; DWARF-NEXT:  standard_opcode_lengths[DW_LNS_negate_stmt] = 0
  75 ; DWARF-NEXT:  standard_opcode_lengths[DW_LNS_set_basic_block] = 0
  76 ; DWARF-NEXT:  standard_opcode_lengths[DW_LNS_const_add_pc] = 0
  77 ; DWARF-NEXT:  standard_opcode_lengths[DW_LNS_fixed_advance_pc] = 1
  78 ; DWARF-NEXT:  standard_opcode_lengths[DW_LNS_set_prologue_end] = 0
  79 ; DWARF-NEXT:  standard_opcode_lengths[DW_LNS_set_epilogue_begin] = 0
  80 ; DWARF-NEXT:  standard_opcode_lengths[DW_LNS_set_isa] = 1
  81 ; DWARF-NEXT:  include_directories[  0] = "."
  82 ; DWARF-NEXT:  file_names[  0]:
  83 ; DWARF-NEXT:             name: "dwarf-loongarch-relocs.c"
  84 ; DWARF-NEXT:        dir_index: 0
  85 ; DWARF-NEXT:     md5_checksum: f44d6d71bc4da58b4abe338ca507c007
  86 ; DWARF-NEXT:           source: "{{.*}}"
  87 ; DWARF-EMPTY:
  88 ; DWARF-NEXT:  Address            Line   Column File   ISA Discriminator OpIndex Flags
  89 ; DWARF-NEXT:  ------------------ ------ ------ ------ --- ------------- ------- -------------
  90 ; DWARF-NEXT:  0x0000000000000000      2      0      0   0             0       0  is_stmt
  91 ; DWARF-NEXT:  0x0000000000000010      3      3      0   0             0       0  is_stmt prologue_end
  92 ; DWARF-NEXT:  0x0000000000000020     10      3      0   0             0       0  is_stmt
  93 ; DWARF-NEXT:  0x000000000000002c     10      3      0   0             0       0  epilogue_begin
  94 ; DWARF-NEXT:  0x0000000000000034     10      3      0   0             0       0  end_sequence
  95
  96 ; ModuleID = 'dwarf-loongarch-relocs.c'
  97 source_filename = "dwarf-loongarch-relocs.c"
  98 target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128"
  99 target triple = "loongarch64"
 100
 101 ; Function Attrs: noinline nounwind optnone
 102 define dso_local signext i32 @foo() #0 !dbg !8 {
 103   call void asm sideeffect ".cfi_remember_state\0A\09.cfi_adjust_cfa_offset 16\0A\09nop\0A\09la.pcrel $$t0, sym\0A\09nop\0A\09.cfi_restore_state\0A\09", ""() #1, !dbg !12, !srcloc !13
 104   ret i32 0, !dbg !14
 105 }
 106
 107 attributes #0 = { noinline nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="loongarch64" "target-features"="+64bit,+d,+f,+ual" }
 108 attributes #1 = { nounwind }
 109
 110 !llvm.dbg.cu = !{!0}
 111 !llvm.module.flags = !{!2, !3, !4, !5, !6}
 112 !llvm.ident = !{!7}
 113
 114 !0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
 115 !1 = !DIFile(filename: "dwarf-loongarch-relocs.c", directory: ".", checksumkind: CSK_MD5, checksum: "f44d6d71bc4da58b4abe338ca507c007", source: "int foo()\0A{\0A  asm volatile(\0A    \22.cfi_remember_state\\n\\t\22\0A    \22.cfi_adjust_cfa_offset 16\\n\\t\22\0A    \22nop\\n\\t\22\0A    \22la.pcrel $t0, sym\\n\\t\22\0A    \22nop\\n\\t\22\0A    \22.cfi_restore_state\\n\\t\22);\0A  return 0;\0A}\0A")
 116 !2 = !{i32 7, !"Dwarf Version", i32 5}
 117 !3 = !{i32 2, !"Debug Info Version", i32 3}
 118 !4 = !{i32 1, !"wchar_size", i32 4}
 119 !5 = !{i32 7, !"direct-access-external-data", i32 0}
 120 !6 = !{i32 7, !"frame-pointer", i32 2}
 121 !7 = !{!"clang"}
 122 !8 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !9, scopeLine: 2, spFlags: DISPFlagDefinition, unit: !0)
 123 !9 = !DISubroutineType(types: !10)
 124 !10 = !{!11}
 125 !11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
 126 !12 = !DILocation(line: 3, column: 3, scope: !8)
 127 !13 = !{i64 34, i64 56, i64 92, i64 106, i64 134, i64 148, i64 177}
 128 !14 = !DILocation(line: 10, column: 3, scope: !8)