; RUN: llc -dwarf-version=5 -filetype=obj -O0 < %s | llvm-dwarfdump - | FileCheck %s --match-full-lines --check-prefix=DW5-CHECK ; RUN: llc -dwarf-version=4 -filetype=obj -O0 < %s | llvm-dwarfdump - | FileCheck %s --match-full-lines --check-prefix=DW4-CHECK ; DW5-CHECK: .debug_info contents: ; DW5-CHECK-NEXT: 0x00000000: Compile Unit: length = 0x00000064 version = 0x0005 unit_type = DW_UT_compile abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x00000068) ; DW5-CHECK-EMPTY: ; DW5-CHECK-NEXT: 0x0000000c: DW_TAG_compile_unit ; DW5-CHECK-NEXT: DW_AT_producer ("clang version 9.0.0 (trunk 353791) (llvm/trunk 353801)") ; DW5-CHECK-NEXT: DW_AT_language (DW_LANG_C99) ; DW5-CHECK-NEXT: DW_AT_name ("dbg.c") ; DW5-CHECK-NEXT: DW_AT_str_offsets_base (0x00000008) ; DW5-CHECK-NEXT: DW_AT_stmt_list (0x00000000) ; DW5-CHECK-NEXT: DW_AT_comp_dir {{.*}} ; DW5-CHECK-NEXT: DW_AT_low_pc (0x0000000000000000) ; DW5-CHECK-NEXT: DW_AT_high_pc (0x0000000000000005) ; DW5-CHECK-NEXT: DW_AT_addr_base (0x00000008) ; DW5-CHECK-EMPTY: ; DW5-CHECK-NEXT: 0x00000023: DW_TAG_base_type ; DW5-CHECK-NEXT: DW_AT_name ("DW_ATE_signed_8") ; DW5-CHECK-NEXT: DW_AT_encoding (DW_ATE_signed) ; DW5-CHECK-NEXT: DW_AT_byte_size (0x01) ; DW5-CHECK-EMPTY: ; DW5-CHECK-NEXT: 0x00000027: DW_TAG_base_type ; DW5-CHECK-NEXT: DW_AT_name ("DW_ATE_signed_32") ; DW5-CHECK-NEXT: DW_AT_encoding (DW_ATE_signed) ; DW5-CHECK-NEXT: DW_AT_byte_size (0x04) ; DW5-CHECK-EMPTY: ; DW5-CHECK-NEXT: 0x0000002b: DW_TAG_subprogram ; DW5-CHECK-NEXT: DW_AT_low_pc (0x0000000000000000) ; DW5-CHECK-NEXT: DW_AT_high_pc (0x0000000000000005) ; DW5-CHECK-NEXT: DW_AT_frame_base (DW_OP_reg7 RSP) ; DW5-CHECK-NEXT: DW_AT_name ("foo") ; DW5-CHECK-NEXT: DW_AT_decl_file {{.*}} ; DW5-CHECK-NEXT: DW_AT_decl_line (1) ; DW5-CHECK-NEXT: DW_AT_prototyped (true) ; DW5-CHECK-NEXT: DW_AT_type (0x0000005f "signed char") ; DW5-CHECK-NEXT: DW_AT_external (true) ; DW5-CHECK-EMPTY: ; DW5-CHECK-NEXT: 0x0000003a: DW_TAG_formal_parameter ; DW5-CHECK-NEXT: DW_AT_location (DW_OP_reg5 RDI) ; DW5-CHECK-NEXT: DW_AT_name ("x") ; DW5-CHECK-NEXT: DW_AT_decl_file {{.*}} ; DW5-CHECK-NEXT: DW_AT_decl_line (1) ; DW5-CHECK-NEXT: DW_AT_type (0x0000005f "signed char") ; DW5-CHECK-EMPTY: ; DW5-CHECK-NEXT: 0x00000044: DW_TAG_variable ; DW5-CHECK-NEXT: DW_AT_location (DW_OP_breg5 RDI+0, DW_OP_constu 0xff, DW_OP_and, DW_OP_convert (0x00000023) "DW_ATE_signed_8", DW_OP_convert (0x00000027) "DW_ATE_signed_32", DW_OP_stack_value) ; DW5-CHECK-NEXT: DW_AT_name ("y") ; DW5-CHECK-NEXT: DW_AT_decl_file {{.*}} ; DW5-CHECK-NEXT: DW_AT_decl_line (3) ; DW5-CHECK-NEXT: DW_AT_type (0x00000063 "int") ; DW5-CHECK-EMPTY: ; DW5-CHECK-NEXT: 0x0000005e: NULL ; DW5-CHECK-EMPTY: ; DW5-CHECK-NEXT: 0x0000005f: DW_TAG_base_type ; DW5-CHECK-NEXT: DW_AT_name ("signed char") ; DW5-CHECK-NEXT: DW_AT_encoding (DW_ATE_signed_char) ; DW5-CHECK-NEXT: DW_AT_byte_size (0x01) ; DW5-CHECK-EMPTY: ; DW5-CHECK-NEXT: 0x00000063: DW_TAG_base_type ; DW5-CHECK-NEXT: DW_AT_name ("int") ; DW5-CHECK-NEXT: DW_AT_encoding (DW_ATE_signed) ; DW5-CHECK-NEXT: DW_AT_byte_size (0x04) ; DW5-CHECK-EMPTY: ; DW5-CHECK-NEXT: 0x00000067: NULL ; DW4-CHECK: .debug_info contents: ; DW4-CHECK-NEXT: 0x00000000: Compile Unit: length = 0x0000007a version = 0x0004 abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x0000007e) ; DW4-CHECK-EMPTY: ; DW4-CHECK-NEXT: 0x0000000b: DW_TAG_compile_unit ; DW4-CHECK-NEXT: DW_AT_producer ("clang version 9.0.0 (trunk 353791) (llvm/trunk 353801)") ; DW4-CHECK-NEXT: DW_AT_language (DW_LANG_C99) ; DW4-CHECK-NEXT: DW_AT_name ("dbg.c") ; DW4-CHECK-NEXT: DW_AT_stmt_list (0x00000000) ; DW4-CHECK-NEXT: DW_AT_comp_dir {{.*}} ; DW4-CHECK-NEXT: DW_AT_low_pc (0x0000000000000000) ; DW4-CHECK-NEXT: DW_AT_high_pc (0x0000000000000005) ; DW4-CHECK-EMPTY: ; DW4-CHECK-NEXT: 0x0000002a: DW_TAG_subprogram ; DW4-CHECK-NEXT: DW_AT_low_pc (0x0000000000000000) ; DW4-CHECK-NEXT: DW_AT_high_pc (0x0000000000000005) ; DW4-CHECK-NEXT: DW_AT_frame_base (DW_OP_reg7 RSP) ; DW4-CHECK-NEXT: DW_AT_name ("foo") ; DW4-CHECK-NEXT: DW_AT_decl_file {{.*}} ; DW4-CHECK-NEXT: DW_AT_decl_line (1) ; DW4-CHECK-NEXT: DW_AT_prototyped (true) ; DW4-CHECK-NEXT: DW_AT_type (0x0000006f "signed char") ; DW4-CHECK-NEXT: DW_AT_external (true) ; DW4-CHECK-EMPTY: ; DW4-CHECK-NEXT: 0x00000043: DW_TAG_formal_parameter ; DW4-CHECK-NEXT: DW_AT_location (DW_OP_reg5 RDI) ; DW4-CHECK-NEXT: DW_AT_name ("x") ; DW4-CHECK-NEXT: DW_AT_decl_file {{.*}} ; DW4-CHECK-NEXT: DW_AT_decl_line (1) ; DW4-CHECK-NEXT: DW_AT_type (0x0000006f "signed char") ; DW4-CHECK-EMPTY: ; DW4-CHECK-NEXT: 0x00000050: DW_TAG_variable ; DW4-CHECK-NEXT: DW_AT_location (DW_OP_breg5 RDI+0, DW_OP_constu 0xff, DW_OP_and, DW_OP_dup, DW_OP_constu 0x7, DW_OP_shr, DW_OP_lit0, DW_OP_not, DW_OP_mul, DW_OP_constu 0x8, DW_OP_shl, DW_OP_or, DW_OP_stack_value) ; DW4-CHECK-NEXT: DW_AT_name ("y") ; DW4-CHECK-NEXT: DW_AT_decl_file {{.*}} ; DW4-CHECK-NEXT: DW_AT_decl_line (3) ; DW4-CHECK-NEXT: DW_AT_type (0x00000076 "int") ; DW4-CHECK-EMPTY: ; DW4-CHECK-NEXT: 0x0000006e: NULL ; DW4-CHECK-EMPTY: ; DW4-CHECK-NEXT: 0x0000006f: DW_TAG_base_type ; DW4-CHECK-NEXT: DW_AT_name ("signed char") ; DW4-CHECK-NEXT: DW_AT_encoding (DW_ATE_signed_char) ; DW4-CHECK-NEXT: DW_AT_byte_size (0x01) ; DW4-CHECK-EMPTY: ; DW4-CHECK-NEXT: 0x00000076: DW_TAG_base_type ; DW4-CHECK-NEXT: DW_AT_name ("int") ; DW4-CHECK-NEXT: DW_AT_encoding (DW_ATE_signed) ; DW4-CHECK-NEXT: DW_AT_byte_size (0x04) ; DW4-CHECK-EMPTY: ; DW4-CHECK-NEXT: 0x0000007d: NULL ; ModuleID = 'dbg.ll' source_filename = "dbg.c" target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" ; Function Attrs: noinline nounwind uwtable define dso_local signext i8 @foo(i8 signext %x) !dbg !7 { entry: call void @llvm.dbg.value(metadata i8 %x, metadata !11, metadata !DIExpression()), !dbg !12 call void @llvm.dbg.value(metadata i8 %x, metadata !13, metadata !DIExpression(DW_OP_LLVM_convert, 8, DW_ATE_signed, DW_OP_LLVM_convert, 32, DW_ATE_signed, DW_OP_stack_value)), !dbg !15 ret i8 %x, !dbg !16 } ; Function Attrs: nounwind readnone speculatable declare void @llvm.dbg.declare(metadata, metadata, metadata) ; Function Attrs: nounwind readnone speculatable declare void @llvm.dbg.value(metadata, metadata, metadata) !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!3, !4, !5} !llvm.ident = !{!6} !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 9.0.0 (trunk 353791) (llvm/trunk 353801)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) !1 = !DIFile(filename: "dbg.c", directory: "/tmp", checksumkind: CSK_MD5, checksum: "2a034da6937f5b9cf6dd2d89127f57fd") !2 = !{} !3 = !{i32 2, !"Dwarf Version", i32 5} !4 = !{i32 2, !"Debug Info Version", i32 3} !5 = !{i32 1, !"wchar_size", i32 4} !6 = !{!"clang version 9.0.0 (trunk 353791) (llvm/trunk 353801)"} !7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !8, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) !8 = !DISubroutineType(types: !9) !9 = !{!10, !10} !10 = !DIBasicType(name: "signed char", size: 8, encoding: DW_ATE_signed_char) !11 = !DILocalVariable(name: "x", arg: 1, scope: !7, file: !1, line: 1, type: !10) !12 = !DILocation(line: 1, column: 29, scope: !7) !13 = !DILocalVariable(name: "y", scope: !7, file: !1, line: 3, type: !14) !14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !15 = !DILocation(line: 3, column: 14, scope: !7) !16 = !DILocation(line: 4, column: 3, scope: !7)