1; RUN: llc -mtriple=x86_64-apple-darwin %s -o - -filetype=obj | \ 2; RUN: llvm-dwarfdump -v --debug-info - | FileCheck %s 3; 4; Test emitting debug info for fragmented global values. 5; This is a handcrafted example of an SROAed global variable. 6target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 7target triple = "x86_64-apple-macosx10.12.0" 8 9%struct.anon = type { i32, i32 } 10 11; CHECK: DW_TAG_variable 12; CHECK-NEXT: DW_AT_name {{.*}}"point" 13; CHECK-NOT: DW_TAG 14; CHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_addr 0x4, DW_OP_piece 0x4, DW_OP_addr 0x0, DW_OP_piece 0x4) 15; CHECK-NOT: DW_TAG 16; CHECK: DW_TAG 17; CHECK: DW_TAG_variable 18; CHECK-NEXT: DW_AT_name {{.*}}"part_const" 19; CHECK-NOT: DW_TAG 20; CHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_addr 0x8, DW_OP_piece 0x4, DW_OP_lit2, DW_OP_stack_value, DW_OP_piece 0x4) 21; [0x0000000000000008], piece 0x00000004, constu 0x00000002, stack-value, piece 0x00000004 22; CHECK-NOT: DW_TAG 23; CHECK: DW_TAG_variable 24; CHECK-NEXT: DW_AT_name {{.*}}"full_const" 25; CHECK-NOT: DW_TAG 26; CHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_lit1, DW_OP_stack_value, DW_OP_piece 0x4, DW_OP_lit2, DW_OP_stack_value, DW_OP_piece 0x4) 27; CHECK-NOT: DW_TAG 28@point.y = global i32 2, align 4, !dbg !13 29@point.x = global i32 1, align 4, !dbg !12 30 31@part_const.x = global i32 1, align 4, !dbg !14 32 33!llvm.dbg.cu = !{!1} 34!llvm.module.flags = !{!10, !11} 35 36!0 = distinct !DIGlobalVariable(name: "point", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true) 37!1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4) 38!2 = !DIFile(filename: "g.c", directory: "/") 39!3 = !{} 40!4 = !{!12, !13, !14, !15, !17, !18, !20} 41!5 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !2, line: 1, size: 64, elements: !6) 42!6 = !{!7, !9} 43!7 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !5, file: !2, line: 1, baseType: !8, size: 32) 44!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 45!9 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !5, file: !2, line: 1, baseType: !8, size: 32, offset: 32) 46!10 = !{i32 2, !"Dwarf Version", i32 4} 47!11 = !{i32 2, !"Debug Info Version", i32 3} 48!12 = !DIGlobalVariableExpression(var: !0, expr: !DIExpression(DW_OP_LLVM_fragment, 0, 32)) 49!13 = !DIGlobalVariableExpression(var: !0, expr: !DIExpression(DW_OP_LLVM_fragment, 32, 32)) 50!14 = !DIGlobalVariableExpression(var: !16, expr: !DIExpression(DW_OP_LLVM_fragment, 0, 32)) 51!15 = !DIGlobalVariableExpression(var: !16, expr: !DIExpression(DW_OP_constu, 2, 52 DW_OP_stack_value, DW_OP_LLVM_fragment, 32, 32)) 53!16 = distinct !DIGlobalVariable(name: "part_const", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true) 54!17 = !DIGlobalVariableExpression(var: !19, expr: !DIExpression(DW_OP_constu, 1, 55 DW_OP_stack_value, DW_OP_LLVM_fragment, 0, 32)) 56!18 = !DIGlobalVariableExpression(var: !19, expr: !DIExpression(DW_OP_constu, 2, 57 DW_OP_stack_value, DW_OP_LLVM_fragment, 32, 32)) 58!19 = distinct !DIGlobalVariable(name: "full_const", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true) 59!20 = !DIGlobalVariableExpression(var: !0, expr: !DIExpression()) 60