Sketch out a framework for delaying the activation of a cleanup.

Not yet complete or used.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111044 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 12 insertions, 1 deletions

diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 325940d245..3d212b5f78 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -96,7 +96,16 @@ struct BranchFixup {
   llvm::BranchInst *InitialBranch;
 };
 
-enum CleanupKind { NormalAndEHCleanup, EHCleanup, NormalCleanup };
+enum CleanupKind {
+  EHCleanup = 0x1,
+  NormalCleanup = 0x2,
+  NormalAndEHCleanup = EHCleanup | NormalCleanup,
+
+  InactiveCleanup = 0x4,
+  InactiveEHCleanup = EHCleanup | InactiveCleanup,
+  InactiveNormalCleanup = NormalCleanup | InactiveCleanup,
+  InactiveNormalAndEHCleanup = NormalAndEHCleanup | InactiveCleanup
+};
 
 /// A stack of scopes which respond to exceptions, including cleanups
 /// and catch blocks.
@@ -520,6 +529,8 @@ public:
   /// process all branch fixups.
   void PopCleanupBlock(bool FallThroughIsBranchThrough = false);
 
+  void ActivateCleanup(EHScopeStack::stable_iterator Cleanup);
+
   /// \brief Enters a new scope for capturing cleanups, all of which
   /// will be executed once the scope is exited.
   class RunCleanupsScope {