65 lines
2.4 KiB
YAML
65 lines
2.4 KiB
YAML
--- |
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; RUN: llc %s -march=x86-64 -run-pass=livedebugvalues -o - | FileCheck %s -implicit-check-not=DBG_VALUE
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; Check that live-debug-values ignores meta instructions.
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; CHECK-LABEL: bb.0.entry:
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; CHECK: DBG_VALUE $ebx, $noreg, !16, !DIExpression(), debug-location !17
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; CHECK-LABEL: bb.1.bb1:
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; CHECK: DBG_VALUE $ebx, $noreg, !16, !DIExpression()
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; CHECK-LABEL: bb.2.bb2:
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; CHECK: DBG_VALUE $ebx, $noreg, !16, !DIExpression()
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; CHECK-LABEL: bb.3.bb3:
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; CHECK: DBG_VALUE $ebx, $noreg, !16, !DIExpression()
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define i32 @_Z8bb_to_bb() local_unnamed_addr !dbg !12 {
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entry:
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br label %bb1, !dbg !17
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bb1:
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br label %bb2, !dbg !17
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bb2:
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br label %bb3, !dbg !17
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bb3:
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ret i32 0, !dbg !17
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!7, !8, !9, !10}
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!llvm.ident = !{!11}
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!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)
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!1 = !DIFile(filename: "main.cpp", directory: "F:\")
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!2 = !{}
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!3 = !{!4}
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!4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression())
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!5 = distinct !DIGlobalVariable(name: "start", scope: !0, file: !1, line: 4, type: !6, isLocal: false, isDefinition: true)
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!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!7 = !{i32 2, !"Dwarf Version", i32 4}
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!8 = !{i32 2, !"Debug Info Version", i32 3}
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!9 = !{i32 1, !"wchar_size", i32 2}
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!10 = !{i32 7, !"PIC Level", i32 2}
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!11 = !{!"clang version 10.0.0"}
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!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)
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!13 = !DISubroutineType(types: !14)
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!14 = !{!6, !6}
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!15 = !{!16}
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!16 = !DILocalVariable(name: "myVar", scope: !12, file: !1, line: 7, type: !6)
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!17 = !DILocation(line: 10, scope: !12)
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...
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---
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name: _Z8bb_to_bb
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body: |
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bb.0.entry:
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successors: %bb.1
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$ebx = MOV32ri 0, debug-location !17
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DBG_VALUE $ebx, $noreg, !16, !DIExpression(), debug-location !17
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bb.1.bb1:
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successors: %bb.2
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renamable $ebx = KILL $ebx
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bb.2.bb2:
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successors: %bb.3
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renamable $ebx = KILL $ebx
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bb.3.bb3:
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RETQ $eax, debug-location !17
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...
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