1; This checks that the debug info is generated in the 64-bit format if the 2; module has the corresponding flag. 3 4; RUN: llc -mtriple=x86_64 -filetype=obj %s -o %t 5; RUN: llvm-dwarfdump -debug-info -debug-line %t | FileCheck %s 6 7; CHECK: Compile Unit: {{.*}} format = DWARF64 8; CHECK: debug_line[ 9; CHECK-NEXT: Line table prologue: 10; CHECK-NEXT: total_length: 11; CHECK-NEXT: format: DWARF64 12 13; IR generated and reduced from: 14; $ cat foo.c 15; int foo; 16; $ clang -g -gdwarf64 -S -emit-llvm foo.c -o foo.ll 17 18target triple = "x86_64-unknown-linux-gnu" 19 20@foo = dso_local global i32 0, align 4, !dbg !0 21 22!llvm.dbg.cu = !{!2} 23!llvm.module.flags = !{!7, !8, !9, !10} 24!llvm.ident = !{!11} 25 26!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 27!1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true) 28!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) 29!3 = !DIFile(filename: "foo.c", directory: "/tmp") 30!4 = !{} 31!5 = !{!0} 32!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 33!7 = !{i32 7, !"Dwarf Version", i32 4} 34!8 = !{i32 7, !"DWARF64", i32 1} 35!9 = !{i32 2, !"Debug Info Version", i32 3} 36!10 = !{i32 1, !"wchar_size", i32 4} 37!11 = !{!"clang version 13.0.0"} 38