88 lines
3.7 KiB
YAML
88 lines
3.7 KiB
YAML
# RUN: llc %s -verify-machineinstrs -o - -run-pass=livedebugvalues \
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# RUN: -experimental-debug-variable-locations=true | FileCheck %s
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#
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# Test that we don't explode in a verifier error when we have a DBG_PHI of
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# a physreg that is not live. Doesn't matter what variable locations are
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# created.
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#
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# CHECK-NOT: Found {{.*}} machine code errors
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# CHECK: DBG_PHI $fp0
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# CHECK-NOT: Found {{.*}} machine code errors
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--- |
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux"
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@b = dso_local local_unnamed_addr global i32 0, align 4, !dbg !0
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@a = dso_local local_unnamed_addr global i32 0, align 4, !dbg !5
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define dso_local i32 @c() local_unnamed_addr !dbg !13 {
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entry:
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ret i32 0, !dbg !36
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata)
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!8, !9, !10, !11}
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!llvm.ident = !{!12}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "b", scope: !2, file: !3, line: 1, type: !7, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 14.0.0 (git@github.com:llvm/llvm-project 1b09d0c42b42be219dd0984e0714d68b4a36cd3e)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None)
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!3 = !DIFile(filename: "bbi-65026.c", directory: "/tmp")
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!4 = !{!5, !0}
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!5 = !DIGlobalVariableExpression(var: !6, expr: !DIExpression())
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!6 = distinct !DIGlobalVariable(name: "a", scope: !2, file: !3, line: 1, type: !7, isLocal: false, isDefinition: true)
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!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!8 = !{i32 7, !"Dwarf Version", i32 4}
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!9 = !{i32 2, !"Debug Info Version", i32 3}
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!10 = !{i32 1, !"wchar_size", i32 4}
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!11 = !{i32 7, !"uwtable", i32 1}
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!12 = !{!"clang version 14.0.0 (git@github.com:llvm/llvm-project 1b09d0c42b42be219dd0984e0714d68b4a36cd3e)"}
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!13 = distinct !DISubprogram(name: "c", scope: !3, file: !3, line: 2, type: !14, scopeLine: 2, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !16)
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!14 = !DISubroutineType(types: !15)
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!15 = !{!7}
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!16 = !{!17}
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!17 = !DILocalVariable(name: "d", scope: !13, file: !3, line: 3, type: !18)
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!18 = !DIBasicType(name: "long double", size: 128, encoding: DW_ATE_float)
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!19 = !DILocation(line: 3, column: 15, scope: !13)
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!20 = !DILocation(line: 4, column: 7, scope: !21)
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!21 = distinct !DILexicalBlock(scope: !13, file: !3, line: 4, column: 7)
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!22 = !{!23, !23, i64 0}
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!23 = !{!"int", !24, i64 0}
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!24 = !{!"omnipotent char", !25, i64 0}
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!25 = !{!"Simple C/C++ TBAA"}
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!26 = !DILocation(line: 4, column: 9, scope: !21)
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!27 = !DILocation(line: 0, scope: !21)
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!28 = !DILocation(line: 4, column: 7, scope: !13)
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!29 = !DILocation(line: 5, column: 9, scope: !21)
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!30 = !DILocation(line: 0, scope: !13)
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!31 = !DILocation(line: 5, column: 5, scope: !21)
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!32 = !DILocation(line: 7, column: 11, scope: !21)
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!33 = !DILocation(line: 7, column: 9, scope: !21)
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!34 = !DILocation(line: 7, column: 15, scope: !21)
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!35 = !DILocation(line: 8, column: 10, scope: !13)
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!36 = !DILocation(line: 8, column: 3, scope: !13)
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...
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---
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name: c
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alignment: 16
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tracksRegLiveness: true
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tracksDebugUserValues: true
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debugInstrRef: true
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frameInfo:
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maxAlignment: 4
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machineFunctionInfo: {}
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body: |
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bb.0.entry:
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DBG_PHI $fp0, 3
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DBG_INSTR_REF !17, !DIExpression(DW_OP_LLVM_arg, 0), dbg-instr-ref(3, 0), debug-location !30
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$eax = MOV32ri 0
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RET 0, debug-location !36
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...
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