; A by-value struct is a register-indirect value (breg). ; RUN: llc %s -filetype=asm -o - | FileCheck %s ; CHECK: DW_AT_location ; CHECK-NEXT: .byte 112 ; 112 = 0x70 = DW_OP_breg0 ; rdar://problem/13658587 ; ; Generated from ; ; struct five ; { ; int a; ; int b; ; int c; ; int d; ; int e; ; }; ; ; int ; return_five_int (struct five f) ; { ; return f.a; ; } target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n32:64-S128" target triple = "arm64-apple-ios3.0.0" %struct.five = type { i32, i32, i32, i32, i32 } ; Function Attrs: nounwind ssp define i32 @return_five_int(%struct.five* %f) #0 { entry: call void @llvm.dbg.declare(metadata !{%struct.five* %f}, metadata !17, metadata !{metadata !"0x102"}), !dbg !18 %a = getelementptr inbounds %struct.five* %f, i32 0, i32 0, !dbg !19 %0 = load i32* %a, align 4, !dbg !19 ret i32 %0, !dbg !19 } ; Function Attrs: nounwind readnone declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 attributes #0 = { nounwind ssp } attributes #1 = { nounwind readnone } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!16, !20} !0 = metadata !{metadata !"0x11\0012\00LLVM version 3.4 \000\00\000\00\000", metadata !1, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [struct_by_value.c] [DW_LANG_C99] !1 = metadata !{metadata !"struct_by_value.c", metadata !""} !2 = metadata !{} !3 = metadata !{metadata !4} !4 = metadata !{metadata !"0x2e\00return_five_int\00return_five_int\00\0013\000\001\000\006\00256\000\0014", metadata !1, metadata !5, metadata !6, null, i32 (%struct.five*)* @return_five_int, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 13] [def] [scope 14] [return_five_int] !5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [struct_by_value.c] !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 !{metadata !8, metadata !9} !8 = 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] !9 = metadata !{metadata !"0x13\00five\001\00160\0032\000\000\000", metadata !1, null, null, metadata !10, null, null, null} ; [ DW_TAG_structure_type ] [five] [line 1, size 160, align 32, offset 0] [def] [from ] !10 = metadata !{metadata !11, metadata !12, metadata !13, metadata !14, metadata !15} !11 = metadata !{metadata !"0xd\00a\003\0032\0032\000\000", metadata !1, metadata !9, metadata !8} ; [ DW_TAG_member ] [a] [line 3, size 32, align 32, offset 0] [from int] !12 = metadata !{metadata !"0xd\00b\004\0032\0032\0032\000", metadata !1, metadata !9, metadata !8} ; [ DW_TAG_member ] [b] [line 4, size 32, align 32, offset 32] [from int] !13 = metadata !{metadata !"0xd\00c\005\0032\0032\0064\000", metadata !1, metadata !9, metadata !8} ; [ DW_TAG_member ] [c] [line 5, size 32, align 32, offset 64] [from int] !14 = metadata !{metadata !"0xd\00d\006\0032\0032\0096\000", metadata !1, metadata !9, metadata !8} ; [ DW_TAG_member ] [d] [line 6, size 32, align 32, offset 96] [from int] !15 = metadata !{metadata !"0xd\00e\007\0032\0032\00128\000", metadata !1, metadata !9, metadata !8} ; [ DW_TAG_member ] [e] [line 7, size 32, align 32, offset 128] [from int] !16 = metadata !{i32 2, metadata !"Dwarf Version", i32 2} !17 = metadata !{metadata !"0x101\00f\0016777229\008192", metadata !4, metadata !5, metadata !9} ; [ DW_TAG_arg_variable ] [f] [line 13] !18 = metadata !{i32 13, i32 0, metadata !4, null} !19 = metadata !{i32 16, i32 0, metadata !4, null} !20 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}