1 ; REQUIRES: object-emission 2 3 ; RUN: %llc_dwarf < %s -filetype=obj | llvm-dwarfdump -debug-dump=info - | FileCheck %s 4 5 ; Test that a nodebug function (a function not appearing in the debug info IR 6 ; metadata subprogram list) with DebugLocs on its IR doesn't cause crashes/does 7 ; the right thing. 8 9 ; Build with clang from the following: 10 ; extern int i; 11 ; inline __attribute__((always_inline)) void f1() { 12 ; i = 3; 13 ; } 14 ; 15 ; __attribute__((nodebug)) void f2() { 16 ; f1(); 17 ; } 18 19 ; Check that there's no DW_TAG_subprogram, not even for the 'f2' function. 20 ; CHECK: DW_TAG_compile_unit 21 ; CHECK-NOT: DW_TAG_subprogram 22 23 @i = external global i32 24 25 ; Function Attrs: uwtable 26 define void @_Z2f2v() #0 { 27 entry: 28 store i32 3, i32* @i, align 4, !dbg !11 29 ret void 30 } 31 32 attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 33 34 !llvm.dbg.cu = !{!0} 35 !llvm.module.flags = !{!8, !9} 36 !llvm.ident = !{!10} 37 38 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 39 !1 = !DIFile(filename: "nodebug.cpp", directory: "/tmp/dbginfo") 40 !2 = !{} 41 !4 = distinct !DISubprogram(name: "f1", linkageName: "_Z2f1v", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !1, scope: !5, type: !6, variables: !2) 42 !5 = !DIFile(filename: "nodebug.cpp", directory: "/tmp/dbginfo") 43 !6 = !DISubroutineType(types: !7) 44 !7 = !{null} 45 !8 = !{i32 2, !"Dwarf Version", i32 4} 46 !9 = !{i32 2, !"Debug Info Version", i32 3} 47 !10 = !{!"clang version 3.5.0 "} 48 !11 = !DILocation(line: 3, scope: !4) 49
