[WinEH] Make FuncletLayout more robust against catchret

[oota-llvm.git] / include / llvm / Target / TargetInstrInfo.h

diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h
index 7c19485e7563d3f80b8c1f66d3c31a347f7e1e13..b9f85a133a36a09bdb925f1a5ff81fd4a7de41f6 100644 (file)
--- a/include/llvm/Target/TargetInstrInfo.h
+++ b/include/llvm/Target/TargetInstrInfo.h
@@ -54,10 +54,11 @@ class TargetInstrInfo : public MCInstrInfo {
   TargetInstrInfo(const TargetInstrInfo &) = delete;
   void operator=(const TargetInstrInfo &) = delete;
 public:
-  TargetInstrInfo(unsigned CFSetupOpcode = ~0u, unsigned CFDestroyOpcode = ~0u)
-    : CallFrameSetupOpcode(CFSetupOpcode),
-      CallFrameDestroyOpcode(CFDestroyOpcode) {
-  }
+  TargetInstrInfo(unsigned CFSetupOpcode = ~0u, unsigned CFDestroyOpcode = ~0u,
+                  unsigned CatchRetOpcode = ~0u)
+      : CallFrameSetupOpcode(CFSetupOpcode),
+        CallFrameDestroyOpcode(CFDestroyOpcode),
+        CatchRetOpcode(CatchRetOpcode) {}
 
   virtual ~TargetInstrInfo();
 
@@ -146,6 +147,8 @@ public:
   unsigned getCallFrameSetupOpcode() const { return CallFrameSetupOpcode; }
   unsigned getCallFrameDestroyOpcode() const { return CallFrameDestroyOpcode; }
 
+  unsigned getCatchReturnOpcode() const { return CatchRetOpcode; }
+
   /// Returns the actual stack pointer adjustment made by an instruction
   /// as part of a call sequence. By default, only call frame setup/destroy
   /// instructions adjust the stack, but targets may want to override this
@@ -1398,6 +1401,7 @@ public:
 
 private:
   unsigned CallFrameSetupOpcode, CallFrameDestroyOpcode;
+  unsigned CatchRetOpcode;
 };
 
 /// \brief Provide DenseMapInfo for TargetInstrInfo::RegSubRegPair.