[unwind removal] We no longer have 'unwind' instructions being generated, so

remove the code that handles them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149901 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 0 insertions, 19 deletions

diff --git a/lib/ExecutionEngine/Interpreter/Execution.cpp b/lib/ExecutionEngine/Interpreter/Execution.cpp
index 1af40ddc53..ac4c49f7ca 100644
--- a/lib/ExecutionEngine/Interpreter/Execution.cpp
+++ b/lib/ExecutionEngine/Interpreter/Execution.cpp
@@ -625,24 +625,6 @@ void Interpreter::visitReturnInst(ReturnInst &I) {
   popStackAndReturnValueToCaller(RetTy, Result);
 }
 
-void Interpreter::visitUnwindInst(UnwindInst &I) {
-  // Unwind stack
-  Instruction *Inst;
-  do {
-    ECStack.pop_back();
-    if (ECStack.empty())
-      report_fatal_error("Empty stack during unwind!");
-    Inst = ECStack.back().Caller.getInstruction();
-  } while (!(Inst && isa<InvokeInst>(Inst)));
-
-  // Return from invoke
-  ExecutionContext &InvokingSF = ECStack.back();
-  InvokingSF.Caller = CallSite();
-
-  // Go to exceptional destination BB of invoke instruction
-  SwitchToNewBasicBlock(cast<InvokeInst>(Inst)->getUnwindDest(), InvokingSF);
-}
-
 void Interpreter::visitUnreachableInst(UnreachableInst &I) {
   report_fatal_error("Program executed an 'unreachable' instruction!");
 }
diff --git a/lib/ExecutionEngine/Interpreter/Interpreter.h b/lib/ExecutionEngine/Interpreter/Interpreter.h
index 5a1af6d353..28c5775ab4 100644
--- a/lib/ExecutionEngine/Interpreter/Interpreter.h
+++ b/lib/ExecutionEngine/Interpreter/Interpreter.h
@@ -171,7 +171,6 @@ public:
   void visitCallSite(CallSite CS);
   void visitCallInst(CallInst &I) { visitCallSite (CallSite (&I)); }
   void visitInvokeInst(InvokeInst &I) { visitCallSite (CallSite (&I)); }
-  void visitUnwindInst(UnwindInst &I);
   void visitUnreachableInst(UnreachableInst &I);
 
   void visitShl(BinaryOperator &I);