1 ; REQUIRES: object-emission 2 3 ; RUN: llc < %s -filetype=obj -mtriple=x86_64-apple-darwin | llvm-dwarfdump -v - | 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: .debug_info contents: 21 ; CHECK: DW_TAG_compile_unit 22 ; CHECK-NOT: DW_TAG_subprogram 23 24 ; Expect no line table entry since there are no functions and file references in this compile unit 25 ; CHECK: .debug_line contents: 26 ; CHECK: Line table prologue: 27 ; CHECK: total_length: 0x00000019 28 ; CHECK-NOT: file_names[ 29 30 @i = external global i32 31 32 ; Function Attrs: uwtable 33 define void @_Z2f2v() #0 { 34 entry: 35 store i32 3, i32* @i, align 4, !dbg !11 36 ret void 37 } 38 39 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" } 40 41 !llvm.dbg.cu = !{!0} 42 !llvm.module.flags = !{!8, !9} 43 !llvm.ident = !{!10} 44 45 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !12, globals: !2, imports: !2) 46 !1 = !DIFile(filename: "nodebug.cpp", directory: "/tmp/dbginfo") 47 !2 = !{} 48 !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, retainedNodes: !2) 49 !5 = !DIFile(filename: "nodebug.cpp", directory: "/tmp/dbginfo") 50 !6 = !DISubroutineType(types: !7) 51 !7 = !{null} 52 !8 = !{i32 2, !"Dwarf Version", i32 4} 53 !9 = !{i32 2, !"Debug Info Version", i32 3} 54 !10 = !{!"clang version 3.5.0 "} 55 !11 = !DILocation(line: 3, scope: !4) 56 !12 = !{!13} 57 !13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 58
