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1; RUN: verify-uselistorder %s2 3; Reproducer for PR36778.4 5; Verify that uses in metadata operands are considered when generating the6; use-list order. In this case the use-list order for @global_arr was not7; correctly preserved due to the uses in the dbg.value contant expressions not8; being considered, since they are wrapped in metadata.9 10; With debug records (i.e., not with intrinsics) there's less chance of11; debug-info affecting use-list order as it exists outside of the Value12; hierachy. However, debug records still use ValueAsMetadata nodes, so this13; test remains worthwhile.14 15target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"16target triple = "x86_64-unknown-linux-gnu"17 18@global = local_unnamed_addr global i64 0, align 819@global_arr = common local_unnamed_addr global [10 x i64] zeroinitializer, align 1620 21define void @foo() local_unnamed_addr !dbg !6 {22entry:23 %0 = load i64, ptr getelementptr inbounds ([10 x i64], ptr @global_arr, i64 0, i64 4), align 1624 #dbg_value(ptr getelementptr inbounds ([10 x i64], ptr @global_arr, i64 0, i64 5), !10, !DIExpression(), !13)25 %1 = load i64, ptr getelementptr inbounds ([10 x i64], ptr @global_arr, i64 0, i64 6), align 1626 #dbg_value(ptr getelementptr inbounds ([10 x i64], ptr @global_arr, i64 0, i64 6), !10, !DIExpression(), !14)27 #dbg_assign(i32 0, !10, !DIExpression(), !19, ptr getelementptr inbounds ([10 x i64], ptr @global_arr, i64 0, i64 6), !DIExpression(), !14)28 ret void29}30 31define void @bar() local_unnamed_addr !dbg !15 {32entry:33 #dbg_value(ptr getelementptr inbounds ([10 x i64], ptr @global_arr, i64 0, i64 7), !17, !DIExpression(), !18)34 ret void35}36 37attributes #0 = { nounwind readnone speculatable }38 39!llvm.dbg.cu = !{!0}40!llvm.module.flags = !{!3, !4}41!llvm.ident = !{!5}42 43!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)44!1 = !DIFile(filename: "uses.c", directory: "/")45!2 = !{}46!3 = !{i32 2, !"Dwarf Version", i32 4}47!4 = !{i32 2, !"Debug Info Version", i32 3}48!5 = !{!"clang version 8.0.0"}49!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)50!7 = !DISubroutineType(types: !8)51!8 = !{null}52!9 = !{!10}53!10 = !DILocalVariable(name: "local1", scope: !6, file: !1, line: 7, type: !11)54!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64)55!12 = !DIBasicType(name: "long int", size: 64, encoding: DW_ATE_signed)56!13 = !DILocation(line: 8, column: 8, scope: !6)57!14 = !DILocation(line: 7, column: 9, scope: !6)58!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)59!16 = !{!17}60!17 = !DILocalVariable(name: "local2", scope: !15, file: !1, line: 13, type: !11)61!18 = !DILocation(line: 14, column: 1, scope: !15)62!19 = distinct !DIAssignID()63