; REQUIRES: object-emission ; RUN: %llc_dwarf -filetype=obj < %s > %t ; RUN: llvm-dwarfdump %t | FileCheck %s ; IR generated from clang -O -g with the following source ; ; void f1(int x, int y); ; void f3(int line); ; void f2() { ; f1(1, 2); ; } ; void f1(int x, int y) { ; f3(y); ; } ; CHECK: DW_AT_name{{.*}}"f1" ; CHECK: DW_TAG_formal_parameter ; CHECK-NOT: DW_TAG ; CHECK: DW_AT_name{{.*}}"x" ; CHECK: DW_TAG_formal_parameter ; CHECK-NOT: DW_TAG ; CHECK: DW_AT_name{{.*}}"y" ; Function Attrs: uwtable define void @_Z2f2v() #0 { tail call void @llvm.dbg.value(metadata !15, i64 0, metadata !16, metadata !{metadata !"0x102"}), !dbg !18 tail call void @llvm.dbg.value(metadata !19, i64 0, metadata !20, metadata !{metadata !"0x102"}), !dbg !18 tail call void @_Z2f3i(i32 2), !dbg !21 ret void, !dbg !22 } ; Function Attrs: uwtable define void @_Z2f1ii(i32 %x, i32 %y) #0 { tail call void @llvm.dbg.value(metadata !{i32 %x}, i64 0, metadata !13, metadata !{metadata !"0x102"}), !dbg !23 tail call void @llvm.dbg.value(metadata !{i32 %y}, i64 0, metadata !14, metadata !{metadata !"0x102"}), !dbg !23 tail call void @_Z2f3i(i32 %y), !dbg !24 ret void, !dbg !25 } declare void @_Z2f3i(i32) #1 ; Function Attrs: nounwind readnone declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2 attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #2 = { nounwind readnone } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!26} !0 = metadata !{metadata !"0x11\004\00clang version 3.4 \001\00\000\00\001", metadata !1, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/scratch/exp.cpp] [DW_LANG_C_plus_plus] !1 = metadata !{metadata !"exp.cpp", metadata !"/usr/local/google/home/blaikie/dev/scratch"} !2 = metadata !{} !3 = metadata !{metadata !4, metadata !8} !4 = metadata !{metadata !"0x2e\00f2\00f2\00_Z2f2v\003\000\001\000\006\00256\001\003", metadata !1, metadata !5, metadata !6, null, void ()* @_Z2f2v, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 3] [def] [f2] !5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [/usr/local/google/home/blaikie/dev/scratch/exp.cpp] !6 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] !7 = metadata !{null} !8 = metadata !{metadata !"0x2e\00f1\00f1\00_Z2f1ii\006\000\001\000\006\00256\001\006", metadata !1, metadata !5, metadata !9, null, void (i32, i32)* @_Z2f1ii, null, null, metadata !12} ; [ DW_TAG_subprogram ] [line 6] [def] [f1] !9 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !10, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] !10 = metadata !{null, metadata !11, metadata !11} !11 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] !12 = metadata !{metadata !13, metadata !14} !13 = metadata !{metadata !"0x101\00x\0016777222\000", metadata !8, metadata !5, metadata !11} ; [ DW_TAG_arg_variable ] [x] [line 6] !14 = metadata !{metadata !"0x101\00y\0033554438\000", metadata !8, metadata !5, metadata !11} ; [ DW_TAG_arg_variable ] [y] [line 6] !15 = metadata !{i32 undef} !16 = metadata !{metadata !"0x101\00x\0016777222\000", metadata !8, metadata !5, metadata !11, metadata !17} ; [ DW_TAG_arg_variable ] [x] [line 6] !17 = metadata !{i32 4, i32 0, metadata !4, null} !18 = metadata !{i32 6, i32 0, metadata !8, metadata !17} !19 = metadata !{i32 2} !20 = metadata !{metadata !"0x101\00y\0033554438\000", metadata !8, metadata !5, metadata !11, metadata !17} ; [ DW_TAG_arg_variable ] [y] [line 6] !21 = metadata !{i32 7, i32 0, metadata !8, metadata !17} !22 = metadata !{i32 5, i32 0, metadata !4, null} !23 = metadata !{i32 6, i32 0, metadata !8, null} !24 = metadata !{i32 7, i32 0, metadata !8, null} !25 = metadata !{i32 8, i32 0, metadata !8, null} !26 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}