Add CodeGenFunction::EmitDummyBlock for marking places where we make
"dummy" blocks (blocks just used to make sure we have a place to dump
code to).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59022 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index c9dcaa7..a454cec 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -225,6 +225,11 @@
   llvm::BasicBlock *getBasicBlockForLabel(const LabelStmt *S);
   
   void EmitBlock(llvm::BasicBlock *BB);
+
+  /// EmitDummyBlock - Emit a new block which will never be branched
+  /// to. This is used to satisfy the invariant that codegen always
+  /// has an active unterminated block to dump code into.
+  void EmitDummyBlock();
   
   /// ErrorUnsupported - Print out an error that codegen doesn't support the
   /// specified stmt yet.