[llvm-pdbdump] Allow sorting / filtering by immediate padding
llvm-svn: 301358
diff --git a/llvm/lib/DebugInfo/PDB/UDTLayout.cpp b/llvm/lib/DebugInfo/PDB/UDTLayout.cpp
index 6c6bb26ad..aacefae 100644
--- a/llvm/lib/DebugInfo/PDB/UDTLayout.cpp
+++ b/llvm/lib/DebugInfo/PDB/UDTLayout.cpp
@@ -60,7 +60,6 @@
return UsedBytes.size() - (Last + 1);
}
-
DataMemberLayoutItem::DataMemberLayoutItem(
const UDTLayoutBase &Parent, std::unique_ptr<PDBSymbolData> Member)
: LayoutItemBase(&Parent, Member.get(), Member->getName(),
@@ -126,13 +125,25 @@
ClassLayout::ClassLayout(const PDBSymbolTypeUDT &UDT)
: UDTLayoutBase(nullptr, UDT, UDT.getName(), 0, UDT.getLength(), false),
- UDT(UDT) {}
+ UDT(UDT) {
+ ImmediateUsedBytes.resize(SizeOf, false);
+ for (auto &LI : LayoutItems) {
+ uint32_t Begin = LI->getOffsetInParent();
+ uint32_t End = Begin + LI->getLayoutSize();
+ End = std::min(SizeOf, End);
+ ImmediateUsedBytes.set(Begin, End);
+ }
+}
ClassLayout::ClassLayout(std::unique_ptr<PDBSymbolTypeUDT> UDT)
: ClassLayout(*UDT) {
OwnedStorage = std::move(UDT);
}
+uint32_t ClassLayout::immediatePadding() const {
+ return SizeOf - ImmediateUsedBytes.count();
+}
+
BaseClassLayout::BaseClassLayout(const UDTLayoutBase &Parent,
uint32_t OffsetInParent, bool Elide,
std::unique_ptr<PDBSymbolTypeBaseClass> B)