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Add MSVC natvis visualisation of llvm::Type

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llvm::Type has some difficult to decode member variables with different meanings
depending on the TypeID. Specifically SubclassData and ContainedTys. This natvis
visualisation decodes and visualises those members.
This commit is contained in:
Machiel van Hooren 2020-05-15 09:38:37 -04:00 committed by Aaron Ballman
parent 5d1a3c0f66
commit 086582cdf8
1 changed files with 47 additions and 0 deletions
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47
utils/LLVMVisualizers/llvm.natvis
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@ -253,4 +253,51 @@ For later versions of Visual Studio, no setup is required.
<Item Name="[Raw Bytes]" Condition="sizeof($T1)==8">(unsigned char *)Value.buffer,8</Item>
</Expand>
</Type>
<!-- llvm::Type has two fields, SubclassData and ContainedTys, the meaning of which change depending on the TypeID.
This visualiser decodes those fields based on the value of ID.
-->
<Type Name="llvm::Type">
<DisplayString>{ID}</DisplayString>
<Expand>
<Item Name="ID">ID</Item>
<Item Name="NumBits" Condition="ID == llvm::Type::TypeID::IntegerTyID">SubclassData</Item>
<Item Name="ReturnType" Condition="ID == llvm::Type::TypeID::FunctionTyID">*ContainedTys</Item>
<Synthetic Name="Arguments" Condition="ID == llvm::Type::TypeID::FunctionTyID">
<DisplayString>{NumContainedTys - 1}</DisplayString>
<Expand>
<ArrayItems>
<Size>NumContainedTys - 1</Size>
<ValuePointer>ContainedTys + 1</ValuePointer>
</ArrayItems>
</Expand>
</Synthetic>
<Item Name="IsVarArg" Condition="ID == llvm::Type::TypeID::FunctionTyID">SubclassData == 1</Item>
<Item Name="HasBody" Condition="ID == llvm::Type::TypeID::StructTyID">(SubclassData &amp; llvm::StructType::SCDB_HasBody) != 0</Item>
<Item Name="Packed" Condition="ID == llvm::Type::TypeID::StructTyID">(SubclassData &amp; llvm::StructType::SCDB_Packed) != 0</Item>
<Item Name="IsLiteral" Condition="ID == llvm::Type::TypeID::StructTyID">(SubclassData &amp; llvm::StructType::SCDB_IsLiteral) != 0</Item>
<Item Name="IsSized" Condition="ID == llvm::Type::TypeID::StructTyID">(SubclassData &amp; llvm::StructType::SCDB_IsSized) != 0</Item>
<Synthetic Name="Members" Condition="ID == llvm::Type::TypeID::StructTyID">
<DisplayString>{NumContainedTys}</DisplayString>
<Expand>
<ArrayItems>
<Size>NumContainedTys</Size>
<ValuePointer>ContainedTys</ValuePointer>
</ArrayItems>
</Expand>
</Synthetic>
<Item Name="ElementType" Condition="ID == llvm::Type::TypeID::ArrayTyID || ID == llvm::Type::TypeID::VectorTyID">*ContainedTys</Item>
<Item Name="NumElements" Condition="ID == llvm::Type::TypeID::ArrayTyID">((llvm::ArrayType*)this)->NumElements</Item>
<Item Name="AddressSpace" Condition="ID == llvm::Type::TypeID::PointerTyID">SubclassData</Item>
<Item Name="PointeeType" Condition="ID == llvm::Type::TypeID::PointerTyID">*ContainedTys</Item>
<Item Name="NumElements" Condition="ID == llvm::Type::TypeID::VectorTyID">((llvm::VectorType*)this)->NumElements</Item>
<Item Name="Context">Context</Item>
</Expand>
</Type>
</AutoVisualizer>