1*982b31faSIgor Kudrin; This checks cases when the 64-bit DWARF debug info should not be generated 2*982b31faSIgor Kudrin; even if '-dwarf64' is specified. 3*982b31faSIgor Kudrin 4*982b31faSIgor Kudrin; The 64-bit DWARF format was introduced in DWARFv3, so the '-dwarf64' switch 5*982b31faSIgor Kudrin; should be ignored for earlier versions. 6*982b31faSIgor Kudrin; RUN: llc -mtriple=x86_64 -dwarf-version=2 -dwarf64 -filetype=obj %s -o - | \ 7*982b31faSIgor Kudrin; RUN: llvm-dwarfdump -debug-line - | \ 8*982b31faSIgor Kudrin; RUN: FileCheck %s --check-prefixes=ELF64,CHECK 9*982b31faSIgor Kudrin 10*982b31faSIgor Kudrin; DWARF64 requires 64-bit relocations, so it is not produced for 32-bit targets. 11*982b31faSIgor Kudrin; RUN: llc -mtriple=i386 -dwarf-version=5 -dwarf64 -filetype=obj %s -o - | \ 12*982b31faSIgor Kudrin; RUN: llvm-dwarfdump -debug-line - | \ 13*982b31faSIgor Kudrin; RUN: FileCheck %s --check-prefixes=ELF32,CHECK 14*982b31faSIgor Kudrin 15*982b31faSIgor Kudrin; DWARF64 is enabled only for ELF targets. The switch should be ignored for COFF. 16*982b31faSIgor Kudrin; RUN: llc -mtriple=x86_64-windows-gnu -dwarf-version=5 -dwarf64 -filetype=obj %s -o - | \ 17*982b31faSIgor Kudrin; RUN: llvm-dwarfdump -debug-line - | \ 18*982b31faSIgor Kudrin; RUN: FileCheck %s --check-prefixes=COFF,CHECK 19*982b31faSIgor Kudrin 20*982b31faSIgor Kudrin; DWARF64 is enabled only for ELF targets. The switch should be ignored for Mach-O. 21*982b31faSIgor Kudrin; RUN: llc -mtriple=x86_64-apple-darwin -dwarf-version=5 -dwarf64 -filetype=obj %s -o - | \ 22*982b31faSIgor Kudrin; RUN: llvm-dwarfdump -debug-line - | \ 23*982b31faSIgor Kudrin; RUN: FileCheck %s --check-prefixes=MACHO,CHECK 24*982b31faSIgor Kudrin 25*982b31faSIgor Kudrin; ELF64: file format elf64-x86-64 26*982b31faSIgor Kudrin; ELF32: file format elf32-i386 27*982b31faSIgor Kudrin; COFF: file format COFF-x86-64 28*982b31faSIgor Kudrin; MACHO: file format Mach-O 64-bit x86-64 29*982b31faSIgor Kudrin 30*982b31faSIgor Kudrin; CHECK: .debug_line contents: 31*982b31faSIgor Kudrin; CHECK-NEXT: debug_line[0x00000000] 32*982b31faSIgor Kudrin; CHECK-NEXT: Line table prologue: 33*982b31faSIgor Kudrin; CHECK-NEXT: total_length: 34*982b31faSIgor Kudrin; CHECK-NEXT: format: DWARF32 35*982b31faSIgor Kudrin 36*982b31faSIgor Kudrin; IR generated and reduced from: 37*982b31faSIgor Kudrin; $ cat foo.c 38*982b31faSIgor Kudrin; int foo; 39*982b31faSIgor Kudrin; $ clang -g -S -emit-llvm foo.c -o foo.ll 40*982b31faSIgor Kudrin 41*982b31faSIgor Kudrintarget triple = "x86_64-unknown-linux-gnu" 42*982b31faSIgor Kudrin 43*982b31faSIgor Kudrin@foo = dso_local global i32 0, align 4, !dbg !0 44*982b31faSIgor Kudrin 45*982b31faSIgor Kudrin!llvm.dbg.cu = !{!2} 46*982b31faSIgor Kudrin!llvm.module.flags = !{!7, !8, !9} 47*982b31faSIgor Kudrin!llvm.ident = !{!10} 48*982b31faSIgor Kudrin 49*982b31faSIgor Kudrin!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 50*982b31faSIgor Kudrin!1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true) 51*982b31faSIgor Kudrin!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 12.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false, nameTableKind: None) 52*982b31faSIgor Kudrin!3 = !DIFile(filename: "foo.c", directory: "/tmp") 53*982b31faSIgor Kudrin!4 = !{} 54*982b31faSIgor Kudrin!5 = !{!0} 55*982b31faSIgor Kudrin!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 56*982b31faSIgor Kudrin!7 = !{i32 7, !"Dwarf Version", i32 4} 57*982b31faSIgor Kudrin!8 = !{i32 2, !"Debug Info Version", i32 3} 58*982b31faSIgor Kudrin!9 = !{i32 1, !"wchar_size", i32 4} 59*982b31faSIgor Kudrin!10 = !{!"clang version 12.0.0"} 60