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Enhance MSVC visualization of PointerUnions 

Add a "deref" view that displays the pointed to objects since
other visualizers often need to display data reference by internal
PointerUnions

llvm-svn: 350469
This commit is contained in:
Mike Spertus 2019-01-05 16:59:27 +00:00
parent b46680407d
commit 6fe3886f7e
1 changed files with 27 additions and 5 deletions
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32
llvm/utils/LLVMVisualizers/llvm.natvis
View File

@ -93,19 +93,25 @@ For later versions of Visual Studio, no setup is required.
</Expand>
</Type>
<!-- PointerUnion types - In addition to the regular view, which displays the pointer, there is a "deref" view that
displays the pointed to object, which is often needed by other visualizers -->
<Type Name="llvm::PointerUnion&lt;*,*&gt;">
<DisplayString Condition="((Val.Value &gt;&gt; ValTy::InfoTy::IntShift) &amp; ValTy::InfoTy::IntMask) == 0">{"$T1", s8b}: {($T1)(Val.Value &amp; ValTy::InfoTy::PointerBitMask)}</DisplayString>
<DisplayString Condition="((Val.Value &gt;&gt; ValTy::InfoTy::IntShift) &amp; ValTy::InfoTy::IntMask) != 0">{"$T2", s8b}: {($T2)(Val.Value &amp; ValTy::InfoTy::PointerBitMask)}</DisplayString>
<DisplayString Optional="true" IncludeView="deref" Condition="((Val.Value &gt;&gt; ValTy::InfoTy::IntShift) &amp; ValTy::InfoTy::IntMask) == 0">{*($T1)(Val.Value &amp; ValTy::InfoTy::PointerBitMask)}</DisplayString>
<DisplayString Optional="true" IncludeView="deref" Condition="((Val.Value &gt;&gt; ValTy::InfoTy::IntShift) &amp; ValTy::InfoTy::IntMask) != 0">{*($T2)(Val.Value &amp; ValTy::InfoTy::PointerBitMask)}</DisplayString>
<DisplayString Optional="true" Condition="((Val.Value &gt;&gt; ValTy::InfoTy::IntShift) &amp; ValTy::InfoTy::IntMask) == 0">{"$T1", s8b}: {($T1)(Val.Value &amp; ValTy::InfoTy::PointerBitMask)}</DisplayString>
<DisplayString Optional="true" Condition="((Val.Value &gt;&gt; ValTy::InfoTy::IntShift) &amp; ValTy::InfoTy::IntMask) != 0">{"$T2", s8b}: {($T2)(Val.Value &amp; ValTy::InfoTy::PointerBitMask)}</DisplayString>
<Expand>
<Item Name="[Holds]" Condition="((Val.Value &gt;&gt; ValTy::InfoTy::IntShift) &amp; ValTy::InfoTy::IntMask) == 0">"$T1", s8b</Item>
<Item Name="[Ptr]" Condition="((Val.Value &gt;&gt; ValTy::InfoTy::IntShift) &amp; ValTy::InfoTy::IntMask) == 0">($T1)(Val.Value &amp; ValTy::InfoTy::PointerBitMask)</Item>
<Item Name="[Ptr]" Optional="true" Condition="((Val.Value &gt;&gt; ValTy::InfoTy::IntShift) &amp; ValTy::InfoTy::IntMask) == 0">($T1)(Val.Value &amp; ValTy::InfoTy::PointerBitMask)</Item>
<Item Name="[Holds]" Condition="((Val.Value &gt;&gt; ValTy::InfoTy::IntShift) &amp; ValTy::InfoTy::IntMask) != 0">"$T2", s8b</Item>
<Item Name="[Ptr]" Condition="((Val.Value &gt;&gt; ValTy::InfoTy::IntShift) &amp; ValTy::InfoTy::IntMask) != 0">($T2)(Val.Value &amp; ValTy::InfoTy::PointerBitMask)</Item>
<Item Name="[Ptr]" Optional="true" Condition="((Val.Value &gt;&gt; ValTy::InfoTy::IntShift) &amp; ValTy::InfoTy::IntMask) != 0">($T2)(Val.Value &amp; ValTy::InfoTy::PointerBitMask)</Item>
</Expand>
</Type>
<Type Name="llvm::PointerUnion3&lt;*,*,*&gt;">
<DisplayString Condition="(Val.Val.Value &gt;&gt; ValTy::ValTy::InfoTy::IntShift) &amp; 1">{"$T3", s8b}: {($T3)(Val.Val.Value &amp; ValTy::ValTy::InfoTy::PointerBitMask)}</DisplayString>
<DisplayString Optional="true" IncludeView="deref" Condition="(Val.Val.Value &gt;&gt; ValTy::ValTy::InfoTy::IntShift) &amp; 1">{Val,view(deref)}</DisplayString>
<DisplayString Optional="true" IncludeView="deref">{*(InnerUnion*)&amp;Val.Val.Value,view(deref)}</DisplayString>
<DisplayString Condition="(Val.Val.Value &gt;&gt; ValTy::ValTy::InfoTy::IntShift) &amp; 1">{Val}</DisplayString>
<DisplayString>{*(InnerUnion*)&amp;Val.Val.Value}</DisplayString>
<Expand>
<Item Name="[Holds]" Condition="(Val.Val.Value &gt;&gt; ValTy::ValTy::InfoTy::IntShift) &amp; 1">"$T3", s8b</Item>
@ -115,6 +121,22 @@ For later versions of Visual Studio, no setup is required.
</Type>
<Type Name="llvm::PointerUnion4&lt;*,*,*,*&gt;">
<DisplayString Optional="true" IncludeView="deref"
Condition="((Val.Val.Value &gt;&gt; ValTy::ValTy::InfoTy::IntShift) &amp; 1) == 0 &amp;&amp; ((Val.Val.Value &gt;&gt; InnerUnion1::ValTy::InfoTy::IntShift) &amp; 1) == 0">
{*($T1)(Val.Val.Value &amp; InnerUnion1::ValTy::InfoTy::PointerBitMask)}
</DisplayString>
<DisplayString Optional="true" IncludeView="deref"
Condition="((Val.Val.Value &gt;&gt; ValTy::ValTy::InfoTy::IntShift) &amp; 1) == 0 &amp;&amp; ((Val.Val.Value &gt;&gt; InnerUnion1::ValTy::InfoTy::IntShift) &amp; 1) == 1">
{*($T2)(Val.Val.Value &amp; InnerUnion1::ValTy::InfoTy::PointerBitMask)}
</DisplayString>
<DisplayString Optional="true" IncludeView="deref"
Condition="((Val.Val.Value &gt;&gt; ValTy::ValTy::InfoTy::IntShift) &amp; 1) == 1 &amp;&amp; ((Val.Val.Value &gt;&gt; InnerUnion2::ValTy::InfoTy::IntShift) &amp; 1) == 0">
{*($T3)(Val.Val.Value &amp; InnerUnion2::ValTy::InfoTy::PointerBitMask)}
</DisplayString>
<DisplayString Optional="true" IncludeView="deref"
Condition="((Val.Val.Value &gt;&gt; ValTy::ValTy::InfoTy::IntShift) &amp; 1) == 1 &amp;&amp; ((Val.Val.Value &gt;&gt; InnerUnion2::ValTy::InfoTy::IntShift) &amp; 1) == 1">
{*($T4)(Val.Val.Value &amp; InnerUnion2::ValTy::InfoTy::PointerBitMask)}
</DisplayString>
<DisplayString Condition="((Val.Val.Value &gt;&gt; ValTy::ValTy::InfoTy::IntShift) &amp; 1) == 0 &amp;&amp; ((Val.Val.Value &gt;&gt; InnerUnion1::ValTy::InfoTy::IntShift) &amp; 1) == 0">
{"$T1", s8b}: {($T1)(Val.Val.Value &amp; InnerUnion1::ValTy::InfoTy::PointerBitMask)}
</DisplayString>