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Keep this alive for classes with finalizers #103813

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Keep this alive for classes with finalizers #103813

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58baa3a
keep this alive for classes with finalizers
EgorBo Jun 21, 2024
8be3bd5
Update compiler.hpp
EgorBo Jun 21, 2024
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2 changes: 1 addition & 1 deletion src/coreclr/inc/corinfo.h
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Expand Up @@ -837,7 +837,7 @@ enum CorInfoFlag
CORINFO_FLG_SYNCH = 0x00000020,
CORINFO_FLG_VIRTUAL = 0x00000040,
// CORINFO_FLG_UNUSED = 0x00000080,
// CORINFO_FLG_UNUSED = 0x00000100,
CORINFO_FLG_HAS_FINALIZER = 0x00000100,
CORINFO_FLG_INTRINSIC_TYPE = 0x00000200, // This type is marked by [Intrinsic]
CORINFO_FLG_ABSTRACT = 0x00000400,

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24 changes: 12 additions & 12 deletions src/coreclr/inc/corinfoinstructionset.h
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Expand Up @@ -608,18 +608,18 @@ inline CORINFO_InstructionSetFlags EnsureInstructionSetFlagsAreValid(CORINFO_Ins
resultflags.RemoveInstructionSet(InstructionSet_AVX512F);
if (resultflags.HasInstructionSet(InstructionSet_AVX512F_VL) && !resultflags.HasInstructionSet(InstructionSet_AVX512F))
resultflags.RemoveInstructionSet(InstructionSet_AVX512F_VL);
if (resultflags.HasInstructionSet(InstructionSet_AVX512CD) && !resultflags.HasInstructionSet(InstructionSet_AVX512F))
resultflags.RemoveInstructionSet(InstructionSet_AVX512CD);
if (resultflags.HasInstructionSet(InstructionSet_AVX512CD_VL) && !resultflags.HasInstructionSet(InstructionSet_AVX512CD))
resultflags.RemoveInstructionSet(InstructionSet_AVX512CD_VL);
if (resultflags.HasInstructionSet(InstructionSet_AVX512CD_VL) && !resultflags.HasInstructionSet(InstructionSet_AVX512F_VL))
resultflags.RemoveInstructionSet(InstructionSet_AVX512CD_VL);
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I guess someone didn't use gen.bat and modified this file by hands

if (resultflags.HasInstructionSet(InstructionSet_AVX512BW) && !resultflags.HasInstructionSet(InstructionSet_AVX512F))
resultflags.RemoveInstructionSet(InstructionSet_AVX512BW);
if (resultflags.HasInstructionSet(InstructionSet_AVX512BW_VL) && !resultflags.HasInstructionSet(InstructionSet_AVX512BW))
resultflags.RemoveInstructionSet(InstructionSet_AVX512BW_VL);
if (resultflags.HasInstructionSet(InstructionSet_AVX512BW_VL) && !resultflags.HasInstructionSet(InstructionSet_AVX512F_VL))
resultflags.RemoveInstructionSet(InstructionSet_AVX512BW_VL);
if (resultflags.HasInstructionSet(InstructionSet_AVX512CD) && !resultflags.HasInstructionSet(InstructionSet_AVX512F))
resultflags.RemoveInstructionSet(InstructionSet_AVX512CD);
if (resultflags.HasInstructionSet(InstructionSet_AVX512CD_VL) && !resultflags.HasInstructionSet(InstructionSet_AVX512CD))
resultflags.RemoveInstructionSet(InstructionSet_AVX512CD_VL);
if (resultflags.HasInstructionSet(InstructionSet_AVX512CD_VL) && !resultflags.HasInstructionSet(InstructionSet_AVX512F_VL))
resultflags.RemoveInstructionSet(InstructionSet_AVX512CD_VL);
if (resultflags.HasInstructionSet(InstructionSet_AVX512DQ) && !resultflags.HasInstructionSet(InstructionSet_AVX512F))
resultflags.RemoveInstructionSet(InstructionSet_AVX512DQ);
if (resultflags.HasInstructionSet(InstructionSet_AVX512DQ_VL) && !resultflags.HasInstructionSet(InstructionSet_AVX512DQ))
Expand Down Expand Up @@ -714,18 +714,18 @@ inline CORINFO_InstructionSetFlags EnsureInstructionSetFlagsAreValid(CORINFO_Ins
resultflags.RemoveInstructionSet(InstructionSet_AVX512F);
if (resultflags.HasInstructionSet(InstructionSet_AVX512F_VL) && !resultflags.HasInstructionSet(InstructionSet_AVX512F))
resultflags.RemoveInstructionSet(InstructionSet_AVX512F_VL);
if (resultflags.HasInstructionSet(InstructionSet_AVX512CD) && !resultflags.HasInstructionSet(InstructionSet_AVX512F))
resultflags.RemoveInstructionSet(InstructionSet_AVX512CD);
if (resultflags.HasInstructionSet(InstructionSet_AVX512CD_VL) && !resultflags.HasInstructionSet(InstructionSet_AVX512CD))
resultflags.RemoveInstructionSet(InstructionSet_AVX512CD_VL);
if (resultflags.HasInstructionSet(InstructionSet_AVX512CD_VL) && !resultflags.HasInstructionSet(InstructionSet_AVX512F_VL))
resultflags.RemoveInstructionSet(InstructionSet_AVX512CD_VL);
if (resultflags.HasInstructionSet(InstructionSet_AVX512BW) && !resultflags.HasInstructionSet(InstructionSet_AVX512F))
resultflags.RemoveInstructionSet(InstructionSet_AVX512BW);
if (resultflags.HasInstructionSet(InstructionSet_AVX512BW_VL) && !resultflags.HasInstructionSet(InstructionSet_AVX512BW))
resultflags.RemoveInstructionSet(InstructionSet_AVX512BW_VL);
if (resultflags.HasInstructionSet(InstructionSet_AVX512BW_VL) && !resultflags.HasInstructionSet(InstructionSet_AVX512F_VL))
resultflags.RemoveInstructionSet(InstructionSet_AVX512BW_VL);
if (resultflags.HasInstructionSet(InstructionSet_AVX512CD) && !resultflags.HasInstructionSet(InstructionSet_AVX512F))
resultflags.RemoveInstructionSet(InstructionSet_AVX512CD);
if (resultflags.HasInstructionSet(InstructionSet_AVX512CD_VL) && !resultflags.HasInstructionSet(InstructionSet_AVX512CD))
resultflags.RemoveInstructionSet(InstructionSet_AVX512CD_VL);
if (resultflags.HasInstructionSet(InstructionSet_AVX512CD_VL) && !resultflags.HasInstructionSet(InstructionSet_AVX512F_VL))
resultflags.RemoveInstructionSet(InstructionSet_AVX512CD_VL);
if (resultflags.HasInstructionSet(InstructionSet_AVX512DQ) && !resultflags.HasInstructionSet(InstructionSet_AVX512F))
resultflags.RemoveInstructionSet(InstructionSet_AVX512DQ);
if (resultflags.HasInstructionSet(InstructionSet_AVX512DQ_VL) && !resultflags.HasInstructionSet(InstructionSet_AVX512DQ))
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10 changes: 5 additions & 5 deletions src/coreclr/inc/jiteeversionguid.h
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Expand Up @@ -43,11 +43,11 @@ typedef const GUID *LPCGUID;
#define GUID_DEFINED
#endif // !GUID_DEFINED

constexpr GUID JITEEVersionIdentifier = { /* e428e66d-5e0e-4320-ad8a-fa5a50f6da07 */
0xe428e66d,
0x5e0e,
0x4320,
{0xad, 0x8a, 0xfa, 0x5a, 0x50, 0xf6, 0xda, 0x07}
constexpr GUID JITEEVersionIdentifier = { /* fa625fd1-a09d-4874-84a4-9b72d1058b1f */
0xfa625fd1,
0xa09d,
0x4874,
{0x84, 0xa4, 0x9b, 0x72, 0xd1, 0x05, 0x8b, 0x1f}
};

//////////////////////////////////////////////////////////////////////////////////////////////////////////
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5 changes: 5 additions & 0 deletions src/coreclr/jit/compiler.hpp
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Expand Up @@ -2514,6 +2514,11 @@ inline bool Compiler::lvaKeepAliveAndReportThis()
return false;
}

if ((info.compCompHnd->getClassAttribs(info.compClassHnd) & CORINFO_FLG_ABSTRACT) != 0)
{
return true;
}
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Does this handle extending this lifetime for inlined methods?

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Good question, it does not. E.g. for synchronized methods we simply never inline them, which is too conservative to do in this case. So the fix has to be done in the importer


const bool genericsContextIsThis = (info.compMethodInfo->options & CORINFO_GENERICS_CTXT_FROM_THIS) != 0;

#ifdef JIT32_GCENCODER
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1 change: 0 additions & 1 deletion src/coreclr/jit/gcencode.cpp
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Expand Up @@ -4283,7 +4283,6 @@ void GCInfo::gcMakeRegPtrTable(
{
// We need to report the cached copy as an untracked pointer
assert(compiler->info.compThisArg != BAD_VAR_NUM);
assert(!compiler->lvaReportParamTypeArg());
GcSlotFlags flags = GC_SLOT_UNTRACKED;

if (compiler->lvaTable[compiler->info.compThisArg].TypeGet() == TYP_BYREF)
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3 changes: 3 additions & 0 deletions src/coreclr/tools/Common/JitInterface/CorInfoImpl.cs
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Expand Up @@ -2062,6 +2062,9 @@ private uint getClassAttribsInternal(TypeDesc type)
if (type.IsIntrinsic)
result |= CorInfoFlag.CORINFO_FLG_INTRINSIC_TYPE;

if (type.HasFinalizer)
result |= CorInfoFlag.CORINFO_FLG_HAS_FINALIZER;

if (metadataType != null)
{
if (metadataType.ContainsGCPointers)
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48 changes: 24 additions & 24 deletions src/coreclr/tools/Common/JitInterface/CorInfoInstructionSet.cs
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Expand Up @@ -746,18 +746,18 @@ public static InstructionSetFlags ExpandInstructionSetByImplicationHelper(Target
resultflags.AddInstructionSet(InstructionSet.X64_EVEX);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512F_VL))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512F);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512CD))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512F);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512CD_VL))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512CD);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512CD_VL))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512F_VL);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512BW))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512F);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512BW_VL))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512BW);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512BW_VL))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512F_VL);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512CD))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512F);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512CD_VL))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512CD);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512CD_VL))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512F_VL);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512DQ))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512F);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512DQ_VL))
Expand Down Expand Up @@ -853,18 +853,18 @@ public static InstructionSetFlags ExpandInstructionSetByImplicationHelper(Target
resultflags.AddInstructionSet(InstructionSet.X86_EVEX);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512F_VL))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512F);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512CD))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512F);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512CD_VL))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512CD);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512CD_VL))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512F_VL);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512BW))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512F);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512BW_VL))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512BW);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512BW_VL))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512F_VL);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512CD))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512F);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512CD_VL))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512CD);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512CD_VL))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512F_VL);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512DQ))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512F);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512DQ_VL))
Expand Down Expand Up @@ -1087,18 +1087,18 @@ private static InstructionSetFlags ExpandInstructionSetByReverseImplicationHelpe
resultflags.AddInstructionSet(InstructionSet.X64_AVX512F);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512F))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512F_VL);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512F))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512CD);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512CD))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512CD_VL);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512F_VL))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512CD_VL);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512F))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512BW);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512BW))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512BW_VL);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512F_VL))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512BW_VL);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512F))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512CD);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512CD))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512CD_VL);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512F_VL))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512CD_VL);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512F))
resultflags.AddInstructionSet(InstructionSet.X64_AVX512DQ);
if (resultflags.HasInstructionSet(InstructionSet.X64_AVX512DQ))
Expand Down Expand Up @@ -1194,18 +1194,18 @@ private static InstructionSetFlags ExpandInstructionSetByReverseImplicationHelpe
resultflags.AddInstructionSet(InstructionSet.X86_AVX512F);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512F))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512F_VL);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512F))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512CD);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512CD))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512CD_VL);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512F_VL))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512CD_VL);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512F))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512BW);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512BW))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512BW_VL);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512F_VL))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512BW_VL);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512F))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512CD);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512CD))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512CD_VL);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512F_VL))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512CD_VL);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512F))
resultflags.AddInstructionSet(InstructionSet.X86_AVX512DQ);
if (resultflags.HasInstructionSet(InstructionSet.X86_AVX512DQ))
Expand Down
2 changes: 1 addition & 1 deletion src/coreclr/tools/Common/JitInterface/CorInfoTypes.cs
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Expand Up @@ -574,7 +574,7 @@ public enum CorInfoFlag : uint
CORINFO_FLG_SYNCH = 0x00000020,
CORINFO_FLG_VIRTUAL = 0x00000040,
// CORINFO_FLG_UNUSED = 0x00000080,
// CORINFO_FLG_UNUSED = 0x00000100,
CORINFO_FLG_HAS_FINALIZER = 0x00000100,
CORINFO_FLG_INTRINSIC_TYPE = 0x00000200, // This type is marked by [Intrinsic]
CORINFO_FLG_ABSTRACT = 0x00000400,

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1 change: 1 addition & 0 deletions src/coreclr/tools/superpmi/superpmi-shared/spmidumphelper.cpp
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Expand Up @@ -162,6 +162,7 @@ std::string SpmiDumpHelper::DumpCorInfoFlag(CorInfoFlag flags)
AddFlag(CORINFO_FLG_FINAL);
AddFlag(CORINFO_FLG_SYNCH);
AddFlag(CORINFO_FLG_VIRTUAL);
AddFlag(CORINFO_FLG_HAS_FINALIZER);
AddFlag(CORINFO_FLG_INTRINSIC_TYPE);
AddFlag(CORINFO_FLG_ABSTRACT);
AddFlag(CORINFO_FLG_EnC);
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3 changes: 3 additions & 0 deletions src/coreclr/vm/jitinterface.cpp
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Expand Up @@ -3829,6 +3829,9 @@ uint32_t CEEInfo::getClassAttribsInternal (CORINFO_CLASS_HANDLE clsHnd)
if (pClass->IsAbstract())
ret |= CORINFO_FLG_ABSTRACT;

if (pMT->HasFinalizer())
ret |= CORINFO_FLG_HAS_FINALIZER;

if (pClass->IsSealed())
ret |= CORINFO_FLG_FINAL;

Expand Down