Move BlockByrefHelpers back to CodeGenModule.h to placate MSVC.
llvm-svn: 246986
diff --git a/clang/lib/CodeGen/CodeGenModule.h b/clang/lib/CodeGen/CodeGenModule.h
index fcc4993..4bb50a3 100644
--- a/clang/lib/CodeGen/CodeGenModule.h
+++ b/clang/lib/CodeGen/CodeGenModule.h
@@ -79,7 +79,6 @@
namespace CodeGen {
-class BlockByrefHelpers;
class CallArgList;
class CodeGenFunction;
class CodeGenTBAA;
@@ -210,6 +209,36 @@
void reportDiagnostics(DiagnosticsEngine &Diags, StringRef MainFile);
};
+/// A pair of helper functions for a __block variable.
+class BlockByrefHelpers : public llvm::FoldingSetNode {
+ // MSVC requires this type to be complete in order to process this
+ // header.
+public:
+ llvm::Constant *CopyHelper;
+ llvm::Constant *DisposeHelper;
+
+ /// The alignment of the field. This is important because
+ /// different offsets to the field within the byref struct need to
+ /// have different helper functions.
+ CharUnits Alignment;
+
+ BlockByrefHelpers(CharUnits alignment) : Alignment(alignment) {}
+ BlockByrefHelpers(const BlockByrefHelpers &) = default;
+ virtual ~BlockByrefHelpers();
+
+ void Profile(llvm::FoldingSetNodeID &id) const {
+ id.AddInteger(Alignment.getQuantity());
+ profileImpl(id);
+ }
+ virtual void profileImpl(llvm::FoldingSetNodeID &id) const = 0;
+
+ virtual bool needsCopy() const { return true; }
+ virtual void emitCopy(CodeGenFunction &CGF, Address dest, Address src) = 0;
+
+ virtual bool needsDispose() const { return true; }
+ virtual void emitDispose(CodeGenFunction &CGF, Address field) = 0;
+};
+
/// This class organizes the cross-function state that is used while generating
/// LLVM code.
class CodeGenModule : public CodeGenTypeCache {