1; REQUIRES: object-emission 2 3; RUN: %llc_dwarf -filetype=obj < %s > %t 4; RUN: llvm-dwarfdump %t | FileCheck %s 5 6; IR generated from clang -O -g with the following source 7; 8; void f1(int x, int y); 9; void f3(int line); 10; void f2() { 11; f1(1, 2); 12; } 13; void f1(int x, int y) { 14; f3(y); 15; } 16 17; CHECK: DW_AT_name{{.*}}"f1" 18; CHECK: DW_TAG_formal_parameter 19; CHECK-NOT: DW_TAG 20; CHECK: DW_AT_name{{.*}}"x" 21; CHECK: DW_TAG_formal_parameter 22; CHECK-NOT: DW_TAG 23; CHECK: DW_AT_name{{.*}}"y" 24 25; Function Attrs: uwtable 26define void @_Z2f2v() #0 { 27 tail call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !16, metadata !{!"0x102"}), !dbg !18 28 tail call void @llvm.dbg.value(metadata i32 2, i64 0, metadata !20, metadata !{!"0x102"}), !dbg !18 29 tail call void @_Z2f3i(i32 2), !dbg !21 30 ret void, !dbg !22 31} 32 33; Function Attrs: uwtable 34define void @_Z2f1ii(i32 %x, i32 %y) #0 { 35 tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !13, metadata !{!"0x102"}), !dbg !23 36 tail call void @llvm.dbg.value(metadata i32 %y, i64 0, metadata !14, metadata !{!"0x102"}), !dbg !23 37 tail call void @_Z2f3i(i32 %y), !dbg !24 38 ret void, !dbg !25 39} 40 41declare void @_Z2f3i(i32) #1 42 43; Function Attrs: nounwind readnone 44declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2 45 46attributes #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" } 47attributes #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" } 48attributes #2 = { nounwind readnone } 49 50!llvm.dbg.cu = !{!0} 51!llvm.module.flags = !{!26} 52 53!0 = !{!"0x11\004\00clang version 3.4 \001\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/scratch/exp.cpp] [DW_LANG_C_plus_plus] 54!1 = !{!"exp.cpp", !"/usr/local/google/home/blaikie/dev/scratch"} 55!2 = !{} 56!3 = !{!4, !8} 57!4 = !{!"0x2e\00f2\00f2\00_Z2f2v\003\000\001\000\006\00256\001\003", !1, !5, !6, null, void ()* @_Z2f2v, null, null, !2} ; [ DW_TAG_subprogram ] [line 3] [def] [f2] 58!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/usr/local/google/home/blaikie/dev/scratch/exp.cpp] 59!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 60!7 = !{null} 61!8 = !{!"0x2e\00f1\00f1\00_Z2f1ii\006\000\001\000\006\00256\001\006", !1, !5, !9, null, void (i32, i32)* @_Z2f1ii, null, null, !12} ; [ DW_TAG_subprogram ] [line 6] [def] [f1] 62!9 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !10, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 63!10 = !{null, !11, !11} 64!11 = !{!"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] 65!12 = !{!13, !14} 66!13 = !{!"0x101\00x\0016777222\000", !8, !5, !11} ; [ DW_TAG_arg_variable ] [x] [line 6] 67!14 = !{!"0x101\00y\0033554438\000", !8, !5, !11} ; [ DW_TAG_arg_variable ] [y] [line 6] 68!15 = !{i32 undef} 69!16 = !{!"0x101\00x\0016777222\000", !8, !5, !11, !17} ; [ DW_TAG_arg_variable ] [x] [line 6] 70!17 = !MDLocation(line: 4, scope: !4) 71!18 = !MDLocation(line: 6, scope: !8, inlinedAt: !17) 72!19 = !{i32 2} 73!20 = !{!"0x101\00y\0033554438\000", !8, !5, !11, !17} ; [ DW_TAG_arg_variable ] [y] [line 6] 74!21 = !MDLocation(line: 7, scope: !8, inlinedAt: !17) 75!22 = !MDLocation(line: 5, scope: !4) 76!23 = !MDLocation(line: 6, scope: !8) 77!24 = !MDLocation(line: 7, scope: !8) 78!25 = !MDLocation(line: 8, scope: !8) 79!26 = !{i32 1, !"Debug Info Version", i32 2} 80