1; REQUIRES: object-emission 2 3; RUN: llc -mtriple=x86_64-unknown-unknown -O0 -filetype=obj < %s > %t 4; RUN: llvm-dwarfdump %t | FileCheck %s 5 6; IR generated from clang -g with the following source: 7; struct foo { 8; foo(const foo&); 9; int i; 10; }; 11; 12; void func(foo f, foo g) { 13; f.i++; 14; } 15 16; CHECK: debug_info contents 17; CHECK: DW_TAG_subprogram 18; CHECK-NOT: DW_TAG 19; CHECK: DW_AT_MIPS_linkage_name{{.*}}"_Z4func3fooS_" 20; CHECK-NOT: NULL 21; CHECK: DW_TAG_formal_parameter 22; CHECK-NOT: DW_TAG 23; CHECK: DW_AT_name{{.*}}"f" 24; CHECK-NOT: NULL 25; CHECK: DW_TAG_formal_parameter 26; CHECK-NOT: DW_TAG 27; CHECK: DW_AT_name{{.*}}"g" 28 29%struct.foo = type { i32 } 30 31; Function Attrs: nounwind uwtable 32define void @_Z4func3fooS_(%struct.foo* %f, %struct.foo* %g) #0 { 33entry: 34 call void @llvm.dbg.declare(metadata %struct.foo* %f, metadata !19, metadata !{!"0x102"}), !dbg !20 35 call void @llvm.dbg.declare(metadata %struct.foo* %g, metadata !21, metadata !{!"0x102"}), !dbg !20 36 %i = getelementptr inbounds %struct.foo* %f, i32 0, i32 0, !dbg !22 37 %0 = load i32* %i, align 4, !dbg !22 38 %inc = add nsw i32 %0, 1, !dbg !22 39 store i32 %inc, i32* %i, align 4, !dbg !22 40 ret void, !dbg !23 41} 42 43; Function Attrs: nounwind readnone 44declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 45 46attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } 47attributes #1 = { nounwind readnone } 48 49!llvm.dbg.cu = !{!0} 50!llvm.module.flags = !{!24} 51 52!0 = !{!"0x11\004\00clang version 3.4 \000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/scratch/scratch.cpp] [DW_LANG_C_plus_plus] 53!1 = !{!"scratch.cpp", !"/usr/local/google/home/blaikie/dev/scratch"} 54!2 = !{} 55!3 = !{!4} 56!4 = !{!"0x2e\00func\00func\00_Z4func3fooS_\006\000\001\000\006\00256\000\006", !1, !5, !6, null, void (%struct.foo*, %struct.foo*)* @_Z4func3fooS_, null, null, !2} ; [ DW_TAG_subprogram ] [line 6] [def] [func] 57!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/usr/local/google/home/blaikie/dev/scratch/scratch.cpp] 58!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 ] 59!7 = !{null, !8, !8} 60!8 = !{!"0x13\00foo\001\0032\0032\000\000\000", !1, null, null, !9, null, null, null} ; [ DW_TAG_structure_type ] [foo] [line 1, size 32, align 32, offset 0] [def] [from ] 61!9 = !{!10, !12} 62!10 = !{!"0xd\00i\003\0032\0032\000\000", !1, !8, !11} ; [ DW_TAG_member ] [i] [line 3, size 32, align 32, offset 0] [from int] 63!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] 64!12 = !{!"0x2e\00foo\00foo\00\002\000\000\000\006\00256\000\002", !1, !8, !13, null, null, null, i32 0, !18} ; [ DW_TAG_subprogram ] [line 2] [foo] 65!13 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !14, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 66!14 = !{null, !15, !16} 67!15 = !{!"0xf\00\000\0064\0064\000\001088", i32 0, null, !8} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from foo] 68!16 = !{!"0x10\00\000\000\000\000\000", null, null, !17} ; [ DW_TAG_reference_type ] [line 0, size 0, align 0, offset 0] [from ] 69!17 = !{!"0x26\00\000\000\000\000\000", null, null, !8} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from foo] 70!18 = !{i32 786468} 71!19 = !{!"0x101\00f\0016777222\000", !4, !5, !8} ; [ DW_TAG_arg_variable ] [f] [line 6] 72!20 = !MDLocation(line: 6, scope: !4) 73!21 = !{!"0x101\00g\0033554438\000", !4, !5, !8} ; [ DW_TAG_arg_variable ] [g] [line 6] 74!22 = !MDLocation(line: 7, scope: !4) 75!23 = !MDLocation(line: 8, scope: !4) 76!24 = !{i32 1, !"Debug Info Version", i32 2} 77