; A by-value struct is a register-indirect value (breg). ; RUN: llc %s -filetype=asm -o - | FileCheck %s ; CHECK: Lsection_info: ; 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 !MDExpression(DW_OP_deref)), !dbg !18 %a = getelementptr inbounds %struct.five, %struct.five* %f, i32 0, i32 0, !dbg !19 %0 = load i32, 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 = !MDCompileUnit(language: DW_LANG_C99, producer: "LLVM version 3.4 ", isOptimized: false, emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2) !1 = !MDFile(filename: "struct_by_value.c", directory: "") !2 = !{} !3 = !{!4} !4 = !MDSubprogram(name: "return_five_int", line: 13, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 14, file: !1, scope: !5, type: !6, function: i32 (%struct.five*)* @return_five_int, variables: !2) !5 = !MDFile(filename: "struct_by_value.c", directory: "") !6 = !MDSubroutineType(types: !7) !7 = !{!8, !9} !8 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) !9 = !MDCompositeType(tag: DW_TAG_structure_type, name: "five", line: 1, size: 160, align: 32, file: !1, elements: !10) !10 = !{!11, !12, !13, !14, !15} !11 = !MDDerivedType(tag: DW_TAG_member, name: "a", line: 3, size: 32, align: 32, file: !1, scope: !9, baseType: !8) !12 = !MDDerivedType(tag: DW_TAG_member, name: "b", line: 4, size: 32, align: 32, offset: 32, file: !1, scope: !9, baseType: !8) !13 = !MDDerivedType(tag: DW_TAG_member, name: "c", line: 5, size: 32, align: 32, offset: 64, file: !1, scope: !9, baseType: !8) !14 = !MDDerivedType(tag: DW_TAG_member, name: "d", line: 6, size: 32, align: 32, offset: 96, file: !1, scope: !9, baseType: !8) !15 = !MDDerivedType(tag: DW_TAG_member, name: "e", line: 7, size: 32, align: 32, offset: 128, file: !1, scope: !9, baseType: !8) !16 = !{i32 2, !"Dwarf Version", i32 2} !17 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "f", line: 13, arg: 1, scope: !4, file: !5, type: !9) !18 = !MDLocation(line: 13, scope: !4) !19 = !MDLocation(line: 16, scope: !4) !20 = !{i32 1, !"Debug Info Version", i32 3}