1 ; REQUIRES: object-emission 2 3 ; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s 4 5 ; Built from source: 6 ; $ clang++ a.cpp b.cpp -g -c -emit-llvm 7 ; $ llvm-link a.bc b.bc -o ab.bc 8 ; $ opt -inline ab.bc -o ab-opt.bc 9 ; $ cat a.cpp 10 ; # 1 "func.h" 11 ; inline int func(int i) { 12 ; return i * 2; 13 ; } 14 ; int (*x)(int) = &func; 15 ; $ cat b.cpp 16 ; # 1 "func.h" 17 ; inline int func(int i) { 18 ; return i * 2; 19 ; } 20 ; int (*y)(int) = &func; 21 22 ; CHECK: DW_TAG_compile_unit 23 ; CHECK: DW_TAG_subprogram 24 ; CHECK-NOT: DW_TAG 25 ; CHECK: DW_AT_name {{.*}} "func" 26 ; CHECK: DW_TAG_compile_unit 27 ; CHECK-NOT: DW_TAG_subprogram 28 29 @x = global i32 (i32)* @_Z4funci, align 8 30 @y = global i32 (i32)* @_Z4funci, align 8 31 32 ; Function Attrs: inlinehint nounwind uwtable 33 define linkonce_odr i32 @_Z4funci(i32 %i) #0 { 34 %1 = alloca i32, align 4 35 store i32 %i, i32* %1, align 4 36 call void @llvm.dbg.declare(metadata !{i32* %1}, metadata !20), !dbg !21 37 %2 = load i32* %1, align 4, !dbg !22 38 %3 = mul nsw i32 %2, 2, !dbg !22 39 ret i32 %3, !dbg !22 40 } 41 42 ; Function Attrs: nounwind readnone 43 declare void @llvm.dbg.declare(metadata, metadata) #1 44 45 attributes #0 = { inlinehint nounwind 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" } 46 attributes #1 = { nounwind readnone } 47 48 !llvm.dbg.cu = !{!0, !13} 49 !llvm.module.flags = !{!17, !18} 50 !llvm.ident = !{!19, !19} 51 52 !0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !10, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/a.cpp] [DW_LANG_C_plus_plus] 53 !1 = metadata !{metadata !"a.cpp", metadata !"/tmp/dbginfo"} 54 !2 = metadata !{} 55 !3 = metadata !{metadata !4} 56 !4 = metadata !{i32 786478, metadata !5, metadata !6, metadata !"func", metadata !"func", metadata !"_Z4funci", i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @_Z4funci, null, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [func] 57 !5 = metadata !{metadata !"func.h", metadata !"/tmp/dbginfo"} 58 !6 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [/tmp/dbginfo/func.h] 59 !7 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 60 !8 = metadata !{metadata !9, metadata !9} 61 !9 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] 62 !10 = metadata !{metadata !11} 63 !11 = metadata !{i32 786484, i32 0, null, metadata !"x", metadata !"x", metadata !"", metadata !6, i32 4, metadata !12, i32 0, i32 1, i32 (i32)** @x, null} ; [ DW_TAG_variable ] [x] [line 4] [def] 64 !12 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !7} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from ] 65 !13 = metadata !{i32 786449, metadata !14, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !15, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/b.cpp] [DW_LANG_C_plus_plus] 66 !14 = metadata !{metadata !"b.cpp", metadata !"/tmp/dbginfo"} 67 !15 = metadata !{metadata !16} 68 !16 = metadata !{i32 786484, i32 0, null, metadata !"y", metadata !"y", metadata !"", metadata !6, i32 4, metadata !12, i32 0, i32 1, i32 (i32)** @y, null} ; [ DW_TAG_variable ] [y] [line 4] [def] 69 !17 = metadata !{i32 2, metadata !"Dwarf Version", i32 4} 70 !18 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} 71 !19 = metadata !{metadata !"clang version 3.5.0 "} 72 !20 = metadata !{i32 786689, metadata !4, metadata !"i", metadata !6, i32 16777217, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [i] [line 1] 73 !21 = metadata !{i32 1, i32 0, metadata !4, null} 74 !22 = metadata !{i32 2, i32 0, metadata !4, null} 75
