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1# RUN: llc -O0 -mtriple arm64-- -run-pass=regbankselect %s -o - | FileCheck %s2 3--- |4 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"5 6 define void @test_dbg_value() !dbg !5 {7 ; Keep the dbg metadata live by referencing it in the IR.8 call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !7, metadata !DIExpression()), !dbg !99 ret void10 }11 12 declare void @llvm.dbg.value(metadata, i64, metadata, metadata)13 14 !llvm.dbg.cu = !{!0}15 !llvm.module.flags = !{!3, !4}16 17 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "llvm", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)18 !1 = !DIFile(filename: "test.ll", directory: "/tmp")19 !2 = !{}20 !3 = !{i32 2, !"Dwarf Version", i32 4}21 !4 = !{i32 2, !"Debug Info Version", i32 3}22 !5 = distinct !DISubprogram(name: "test_dbg_value", scope: !1, file: !1, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)23 !6 = !DISubroutineType(types: !2)24 !7 = !DILocalVariable(name: "in", arg: 1, scope: !5, file: !1, line: 1, type: !8)25 !8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)26 !9 = !DILocation(line: 1, column: 1, scope: !5)27...28 29---30# CHECK-LABEL: name: test_dbg_value31name: test_dbg_value32legalized: true33# CHECK: registers:34# CHECK-NEXT: - { id: 0, class: gpr, preferred-register: '', flags: [ ] }35body: |36 bb.0:37 liveins: $w038 %0:_(s32) = COPY $w039 ; CHECK: DBG_VALUE %0(s32), $noreg, !7, !DIExpression(), debug-location !940 DBG_VALUE %0(s32), $noreg, !7, !DIExpression(), debug-location !941 42 ; CHECK: DBG_VALUE $noreg, 0, !7, !DIExpression(), debug-location !943 DBG_VALUE $noreg, 0, !7, !DIExpression(), debug-location !944...45