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1--- |2 ; RUN: llc %s -mtriple=x86_64 -run-pass=livedebugvalues -o - | FileCheck %s -implicit-check-not=DBG_VALUE3 4 ; Check that DBG_VALUE instructions are not propagated into a loop that5 ; explicitly terminates its location.6 7 ; CHECK: ![[VARNO:[0-9]+]] = !DILocalVariable(name: "myVar"8 ; CHECK-LABEL: bb.0.entry:9 ; CHECK: DBG_VALUE $ebx, $noreg, ![[VARNO]], !DIExpression(),10 ; CHECK-LABEL: bb.2.bb2:11 ; CHECK: DBG_VALUE $noreg, $noreg, ![[VARNO]], !DIExpression(),12 13 define i32 @_Z8bb_to_bb() local_unnamed_addr !dbg !12 {14 entry:15 br label %bb1, !dbg !1716 bb1:17 br label %bb2, !dbg !1718 bb2:19 br label %bb3, !dbg !1720 bb3:21 ret i32 0, !dbg !1722 }23 24 !llvm.dbg.cu = !{!0}25 !llvm.module.flags = !{!7, !8, !9, !10}26 !llvm.ident = !{!11}27 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 10.0.0)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3, debugInfoForProfiling: true, nameTableKind: None)28 !1 = !DIFile(filename: "main.cpp", directory: "F:\test")29 !2 = !{}30 !3 = !{!4}31 !4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression())32 !5 = distinct !DIGlobalVariable(name: "start", scope: !0, file: !1, line: 4, type: !6, isLocal: false, isDefinition: true)33 !6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)34 !7 = !{i32 2, !"Dwarf Version", i32 4}35 !8 = !{i32 2, !"Debug Info Version", i32 3}36 !9 = !{i32 1, !"wchar_size", i32 2}37 !10 = !{i32 7, !"PIC Level", i32 2}38 !11 = !{!"clang version 10.0.0"}39 !12 = distinct !DISubprogram(name: "bb_to_bb", linkageName: "bb_to_bb", scope: !1, file: !1, line: 6, type: !13, scopeLine: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !15)40 !13 = !DISubroutineType(types: !14)41 !14 = !{!6, !6}42 !15 = !{!16}43 !16 = !DILocalVariable(name: "myVar", scope: !12, file: !1, line: 7, type: !6)44 !17 = !DILocation(line: 10, scope: !12)45 46...47---48name: _Z8bb_to_bb49body: |50 bb.0.entry:51 successors: %bb.152 $ebx = MOV32ri 0, debug-location !1753 DBG_VALUE $ebx, $noreg, !16, !DIExpression(), debug-location !1754 55 bb.1.bb1:56 successors: %bb.257 $eax = MOV32ri 0, debug-location !1758 59 bb.2.bb2:60 successors: %bb.1, %bb.361 $ecx = MOV32ri 1, debug-location !1762 DBG_VALUE $noreg, $noreg, !16, !DIExpression(), debug-location !1763 JCC_1 %bb.1, 4, implicit killed $eflags64 65 bb.3.bb3:66 RET64 $eax, debug-location !1767...68