[WinEH] Start inserting state number stores for C++ EH

[oota-llvm.git] / include / llvm / CodeGen / WinEHFuncInfo.h

diff --git a/include/llvm/CodeGen/WinEHFuncInfo.h b/include/llvm/CodeGen/WinEHFuncInfo.h
index e2644edd4d12a455f4364e64750af458b9603168..1cff3203f2bbf7416f1b4b4af34c491b6293d56f 100644 (file)
--- a/include/llvm/CodeGen/WinEHFuncInfo.h
+++ b/include/llvm/CodeGen/WinEHFuncInfo.h
@@ -23,6 +23,7 @@ class BasicBlock;
 class Constant;
 class Function;
 class GlobalVariable;
+class InvokeInst;
 class IntrinsicInst;
 class LandingPadInst;
 class MCSymbol;
@@ -153,5 +154,11 @@ struct WinEHFuncInfo {
         NumIPToStateFuncsVisited(0) {}
 };
 
+/// Analyze the IR in ParentFn and it's handlers to build WinEHFuncInfo, which
+/// describes the state numbers and tables used by __CxxFrameHandler3. This
+/// analysis assumes that WinEHPrepare has already been run.
+void calculateWinCXXEHStateNumbers(const Function *ParentFn,
+                                   WinEHFuncInfo &FuncInfo);
+
 }
 #endif // LLVM_CODEGEN_WINEHFUNCINFO_H