|  | ; RUN: llc -filetype=obj %s -o - | llvm-dwarfdump - | FileCheck %s | 
|  | ; RUN: llc -filetype=obj --split-dwarf-file=%t.dwo --split-dwarf-output=%t.dwo %s -o %t.o | 
|  | ; RUN: llvm-dwarfdump %t.dwo | FileCheck %s -check-prefix=SPLIT | 
|  |  | 
|  | ; CHECK: .debug_info contents: | 
|  | ; CHECK-NEXT: 0x00000000: Compile Unit: length = 0x0000006e, format = DWARF32, version = 0x0004, abbr_offset = 0x0000, addr_size = 0x04 (next unit at 0x00000072) | 
|  |  | 
|  | ; CHECK: 0x0000000b: DW_TAG_compile_unit | 
|  | ; CHECK-NEXT:              DW_AT_producer	("clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)") | 
|  | ; CHECK-NEXT:              DW_AT_language	(DW_LANG_C99) | 
|  | ; CHECK-NEXT:              DW_AT_name	("test.c") | 
|  | ; CHECK-NEXT:              DW_AT_stmt_list	(0x00000000) | 
|  | ; CHECK-NEXT:              DW_AT_comp_dir	("/usr/local/google/home/sbc/dev/wasm/simple") | 
|  | ; CHECK-NEXT:              DW_AT_GNU_pubnames	(true) | 
|  | ; CHECK-NEXT:              DW_AT_low_pc		(0x00000002) | 
|  | ; CHECK-NEXT:              DW_AT_high_pc	(0x00000004) | 
|  |  | 
|  | ; CHECK: 0x00000026:   DW_TAG_variable | 
|  | ; CHECK-NEXT:                DW_AT_name	("foo") | 
|  | ; CHECK-NEXT:                DW_AT_type	(0x00000037 "int *") | 
|  | ; CHECK-NEXT:                DW_AT_external	(true) | 
|  | ; CHECK-NEXT:                DW_AT_decl_file	("/usr/local/google/home/sbc/dev/wasm/simple{{[/\\]}}test.c") | 
|  | ; CHECK-NEXT:                DW_AT_decl_line	(4) | 
|  | ; CHECK-NEXT:                DW_AT_location	(DW_OP_addr 0x0) | 
|  |  | 
|  | ; CHECK: 0x00000037:   DW_TAG_pointer_type | 
|  | ; CHECK-NEXT:                DW_AT_type	(0x0000003c "int") | 
|  |  | 
|  | ; CHECK: 0x0000003c:   DW_TAG_base_type | 
|  | ; CHECK-NEXT:                DW_AT_name	("int") | 
|  | ; CHECK-NEXT:                DW_AT_encoding	(DW_ATE_signed) | 
|  | ; CHECK-NEXT:                DW_AT_byte_size	(0x04) | 
|  |  | 
|  | ; CHECK: 0x00000043:   DW_TAG_variable | 
|  | ; CHECK-NEXT:                DW_AT_name	("ptr2") | 
|  | ; CHECK-NEXT:                DW_AT_type	(0x00000054 "void (*)()") | 
|  | ; CHECK-NEXT:                DW_AT_external	(true) | 
|  | ; CHECK-NEXT:                DW_AT_decl_file	("/usr/local/google/home/sbc/dev/wasm/simple{{[/\\]}}test.c") | 
|  | ; CHECK-NEXT:                DW_AT_decl_line	(5) | 
|  | ; CHECK-NEXT:                DW_AT_location	(DW_OP_addr 0x4) | 
|  |  | 
|  | ; CHECK: 0x00000054:   DW_TAG_pointer_type | 
|  | ; CHECK-NEXT:                DW_AT_type	(0x00000059 "void ()") | 
|  |  | 
|  | ; CHECK: 0x00000059:   DW_TAG_subroutine_type | 
|  | ; CHECK-NEXT:                DW_AT_prototyped	(true) | 
|  |  | 
|  | ; CHECK: 0x0000005a:   DW_TAG_subprogram | 
|  | ; CHECK-NEXT:                DW_AT_low_pc	(0x00000002) | 
|  | ; CHECK-NEXT:                DW_AT_high_pc	(0x00000004) | 
|  | ; CHECK-NEXT:                DW_AT_frame_base	(DW_OP_WASM_location 0x3 0x0, DW_OP_stack_value) | 
|  | ; CHECK-NEXT:                DW_AT_name	("f2") | 
|  | ; CHECK-NEXT:                DW_AT_decl_file	("/usr/local/google/home/sbc/dev/wasm/simple{{[/\\]}}test.c") | 
|  | ; CHECK-NEXT:                DW_AT_decl_line	(2) | 
|  | ; CHECK-NEXT:                DW_AT_prototyped	(true) | 
|  | ; CHECK-NEXT:                DW_AT_external		(true) | 
|  |  | 
|  | ; CHECK: 0x00000071:   NULL | 
|  |  | 
|  |  | 
|  | ; SPLIT:      .debug_info.dwo contents: | 
|  | ; SPLIT-NEXT: 0x00000000: Compile Unit: length = 0x0000004c, format = DWARF32, version = 0x0004, abbr_offset = 0x0000, addr_size = 0x04 (next unit at 0x00000050) | 
|  |  | 
|  | ; SPLIT:      0x0000000b: DW_TAG_compile_unit | 
|  | ; SPLIT-NEXT:               DW_AT_producer    ("clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)") | 
|  | ; SPLIT-NEXT:               DW_AT_language    (DW_LANG_C99) | 
|  | ; SPLIT-NEXT:               DW_AT_name        ("test.c") | 
|  | ; SPLIT-NEXT:               DW_AT_GNU_dwo_name        ("{{.*}}dwarfdump.ll.tmp.dwo") | 
|  | ; SPLIT-NEXT:               DW_AT_GNU_dwo_id  ({{.*}}) | 
|  |  | 
|  | ; SPLIT:      0x00000019:   DW_TAG_variable | 
|  | ; SPLIT-NEXT:                 DW_AT_name      ("foo") | 
|  | ; SPLIT-NEXT:                 DW_AT_type      (0x00000024 "int *") | 
|  | ; SPLIT-NEXT:                 DW_AT_external  (true) | 
|  | ; SPLIT-NEXT:                 DW_AT_decl_file (0x01) | 
|  | ; SPLIT-NEXT:                 DW_AT_decl_line (4) | 
|  | ; SPLIT-NEXT:                 DW_AT_location  (DW_OP_GNU_addr_index 0x0) | 
|  |  | 
|  | ; SPLIT:      0x00000024:   DW_TAG_pointer_type | 
|  | ; SPLIT-NEXT:                 DW_AT_type      (0x00000029 "int") | 
|  |  | 
|  | ; SPLIT:      0x00000029:   DW_TAG_base_type | 
|  | ; SPLIT-NEXT:                 DW_AT_name      ("int") | 
|  | ; SPLIT-NEXT:                 DW_AT_encoding  (DW_ATE_signed) | 
|  | ; SPLIT-NEXT:                 DW_AT_byte_size (0x04) | 
|  |  | 
|  | ; SPLIT:      0x0000002d:   DW_TAG_variable | 
|  | ; SPLIT-NEXT:                 DW_AT_name      ("ptr2") | 
|  | ; SPLIT-NEXT:                 DW_AT_type      (0x00000038 "void (*)()") | 
|  | ; SPLIT-NEXT:                 DW_AT_external  (true) | 
|  | ; SPLIT-NEXT:                 DW_AT_decl_file (0x01) | 
|  | ; SPLIT-NEXT:                 DW_AT_decl_line (5) | 
|  | ; SPLIT-NEXT:                 DW_AT_location  (DW_OP_GNU_addr_index 0x1) | 
|  |  | 
|  | ; SPLIT:      0x00000038:   DW_TAG_pointer_type | 
|  | ; SPLIT-NEXT:                 DW_AT_type      (0x0000003d "void ()") | 
|  |  | 
|  | ; SPLIT:      0x0000003d:   DW_TAG_subroutine_type | 
|  | ; SPLIT-NEXT:                 DW_AT_prototyped        (true) | 
|  |  | 
|  | ; SPLIT:      0x0000003e:   DW_TAG_subprogram | 
|  | ; SPLIT-NEXT:                 DW_AT_low_pc    (indexed (00000002) address = <unresolved>) | 
|  | ; SPLIT-NEXT:                 DW_AT_high_pc   (0x00000002) | 
|  | ; SPLIT-NEXT:                 DW_AT_frame_base        (DW_OP_WASM_location 0x3 0x0, DW_OP_stack_value) | 
|  | ; SPLIT-NEXT:                 DW_AT_name      ("f2") | 
|  | ; SPLIT-NEXT:                 DW_AT_decl_file (0x01) | 
|  | ; SPLIT-NEXT:                 DW_AT_decl_line (2) | 
|  | ; SPLIT-NEXT:                 DW_AT_prototyped        (true) | 
|  | ; SPLIT-NEXT:                 DW_AT_external  (true) | 
|  |  | 
|  | ; SPLIT:      0x0000004f:   NULL | 
|  |  | 
|  |  | 
|  | target triple = "wasm32-unknown-unknown" | 
|  |  | 
|  | source_filename = "test.c" | 
|  |  | 
|  | @myextern = external global i32, align 4 | 
|  | @foo = hidden global ptr @myextern, align 4, !dbg !0 | 
|  | @ptr2 = hidden global ptr @f2, align 4, !dbg !6 | 
|  |  | 
|  | ; Function Attrs: noinline nounwind optnone | 
|  | define hidden void @f2() #0 !dbg !17 { | 
|  | entry: | 
|  | ret void, !dbg !18 | 
|  | } | 
|  |  | 
|  | attributes #0 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "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-cpu"="generic" "unsafe-fp-math"="false" "use-soft-float"="false" } | 
|  |  | 
|  | !llvm.dbg.cu = !{!2} | 
|  | !llvm.module.flags = !{!13, !14, !15} | 
|  | !llvm.ident = !{!16} | 
|  |  | 
|  | !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) | 
|  | !1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 4, type: !11, isLocal: false, isDefinition: true) | 
|  | !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5) | 
|  | !3 = !DIFile(filename: "test.c", directory: "/usr/local/google/home/sbc/dev/wasm/simple") | 
|  | !4 = !{} | 
|  | !5 = !{!0, !6} | 
|  | !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) | 
|  | !7 = distinct !DIGlobalVariable(name: "ptr2", scope: !2, file: !3, line: 5, type: !8, isLocal: false, isDefinition: true) | 
|  | !8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 32) | 
|  | !9 = !DISubroutineType(types: !10) | 
|  | !10 = !{null} | 
|  | !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 32) | 
|  | !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) | 
|  | !13 = !{i32 2, !"Dwarf Version", i32 4} | 
|  | !14 = !{i32 2, !"Debug Info Version", i32 3} | 
|  | !15 = !{i32 1, !"wchar_size", i32 4} | 
|  | !16 = !{!"clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)"} | 
|  | !17 = distinct !DISubprogram(name: "f2", scope: !3, file: !3, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4) | 
|  | !18 = !DILocation(line: 2, column: 16, scope: !17) |