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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@43282 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CodeGen/CodeGenTypes.cpp b/CodeGen/CodeGenTypes.cpp
index 4aaf13f..04394e3 100644
--- a/CodeGen/CodeGenTypes.cpp
+++ b/CodeGen/CodeGenTypes.cpp
@@ -176,6 +176,8 @@
return OpaqueI->second;
// Create new OpaqueType now for later use.
+ // FIXME: This creates a lot of opaque types, most of which are not needed.
+ // Reevaluate this when performance analyis finds tons of opaque types.
llvm::OpaqueType *OpaqueTy = llvm::OpaqueType::get();
RecordTypesToResolve[RD] = OpaqueTy;
diff --git a/CodeGen/CodeGenTypes.h b/CodeGen/CodeGenTypes.h
index f149fb8..7ab3afe 100644
--- a/CodeGen/CodeGenTypes.h
+++ b/CodeGen/CodeGenTypes.h
@@ -94,6 +94,8 @@
/// RecordLayouts - This maps llvm struct type with corresponding
/// record layout info.
+ /// FIXME : If RecordLayoutInfo is less than 16 bytes then use
+ /// inline it in the map.
llvm::DenseMap<const llvm::Type*, RecordLayoutInfo *> RecordLayouts;
/// FieldInfo - This maps struct field with corresponding llvm struct type