1; RUN: verify-uselistorder %s 2 3; Reproducer for PR36778. 4 5; Verify that uses in metadata operands are considered when generating the 6; use-list order. In this case the use-list order for @global_arr was not 7; correctly preserved due to the uses in the dbg.value contant expressions not 8; being considered, since they are wrapped in metadata. 9 10target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 11target triple = "x86_64-unknown-linux-gnu" 12 13@global = local_unnamed_addr global i64 0, align 8 14@global_arr = common local_unnamed_addr global [10 x i64] zeroinitializer, align 16 15 16define void @foo() local_unnamed_addr !dbg !6 { 17entry: 18 %0 = load i64, ptr getelementptr inbounds ([10 x i64], ptr @global_arr, i64 0, i64 4), align 16 19 call void @llvm.dbg.value(metadata ptr getelementptr inbounds ([10 x i64], ptr @global_arr, i64 0, i64 5), metadata !10, metadata !DIExpression()), !dbg !13 20 %1 = load i64, ptr getelementptr inbounds ([10 x i64], ptr @global_arr, i64 0, i64 6), align 16 21 call void @llvm.dbg.value(metadata ptr getelementptr inbounds ([10 x i64], ptr @global_arr, i64 0, i64 6), metadata !10, metadata !DIExpression()), !dbg !14 22 ret void 23} 24 25define void @bar() local_unnamed_addr !dbg !15 { 26entry: 27 call void @llvm.dbg.value(metadata ptr getelementptr inbounds ([10 x i64], ptr @global_arr, i64 0, i64 7), metadata !17, metadata !DIExpression()), !dbg !18 28 ret void 29} 30 31; Function Attrs: nounwind readnone speculatable 32declare void @llvm.dbg.value(metadata, metadata, metadata) #0 33 34attributes #0 = { nounwind readnone speculatable } 35 36!llvm.dbg.cu = !{!0} 37!llvm.module.flags = !{!3, !4} 38!llvm.ident = !{!5} 39 40!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 8.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !2, nameTableKind: None) 41!1 = !DIFile(filename: "uses.c", directory: "/") 42!2 = !{} 43!3 = !{i32 2, !"Dwarf Version", i32 4} 44!4 = !{i32 2, !"Debug Info Version", i32 3} 45!5 = !{!"clang version 8.0.0"} 46!6 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 6, type: !7, isLocal: false, isDefinition: true, scopeLine: 6, isOptimized: true, unit: !0, retainedNodes: !9) 47!7 = !DISubroutineType(types: !8) 48!8 = !{null} 49!9 = !{!10} 50!10 = !DILocalVariable(name: "local1", scope: !6, file: !1, line: 7, type: !11) 51!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64) 52!12 = !DIBasicType(name: "long int", size: 64, encoding: DW_ATE_signed) 53!13 = !DILocation(line: 8, column: 8, scope: !6) 54!14 = !DILocation(line: 7, column: 9, scope: !6) 55!15 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 12, type: !7, isLocal: false, isDefinition: true, scopeLine: 12, isOptimized: true, unit: !0, retainedNodes: !16) 56!16 = !{!17} 57!17 = !DILocalVariable(name: "local2", scope: !15, file: !1, line: 13, type: !11) 58!18 = !DILocation(line: 14, column: 1, scope: !15) 59