[unwind removal] Remove all of the code for the dead 'unwind' instruction. There

were no 'unwind' instructions being generated before this, so this is in effect
a no-op.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149906 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 33 deletions

diff --git a/lib/VMCore/Instructions.cpp b/lib/VMCore/Instructions.cpp
index 74cbfc4133..d113aca730 100644
--- a/lib/VMCore/Instructions.cpp
+++ b/lib/VMCore/Instructions.cpp
@@ -631,32 +631,6 @@ ReturnInst::~ReturnInst() {
 }
 
 //===----------------------------------------------------------------------===//
-//                        UnwindInst Implementation
-//===----------------------------------------------------------------------===//
-
-UnwindInst::UnwindInst(LLVMContext &Context, Instruction *InsertBefore)
-  : TerminatorInst(Type::getVoidTy(Context), Instruction::Unwind,
-                   0, 0, InsertBefore) {
-}
-UnwindInst::UnwindInst(LLVMContext &Context, BasicBlock *InsertAtEnd)
-  : TerminatorInst(Type::getVoidTy(Context), Instruction::Unwind,
-                   0, 0, InsertAtEnd) {
-}
-
-
-unsigned UnwindInst::getNumSuccessorsV() const {
-  return getNumSuccessors();
-}
-
-void UnwindInst::setSuccessorV(unsigned idx, BasicBlock *NewSucc) {
-  llvm_unreachable("UnwindInst has no successors!");
-}
-
-BasicBlock *UnwindInst::getSuccessorV(unsigned idx) const {
-  llvm_unreachable("UnwindInst has no successors!");
-}
-
-//===----------------------------------------------------------------------===//
 //                        ResumeInst Implementation
 //===----------------------------------------------------------------------===//
 
@@ -709,11 +683,11 @@ unsigned UnreachableInst::getNumSuccessorsV() const {
 }
 
 void UnreachableInst::setSuccessorV(unsigned idx, BasicBlock *NewSucc) {
-  llvm_unreachable("UnwindInst has no successors!");
+  llvm_unreachable("UnreachableInst has no successors!");
 }
 
 BasicBlock *UnreachableInst::getSuccessorV(unsigned idx) const {
-  llvm_unreachable("UnwindInst has no successors!");
+  llvm_unreachable("UnreachableInst has no successors!");
 }
 
 //===----------------------------------------------------------------------===//
@@ -3516,11 +3490,6 @@ ResumeInst *ResumeInst::clone_impl() const {
   return new(1) ResumeInst(*this);
 }
 
-UnwindInst *UnwindInst::clone_impl() const {
-  LLVMContext &Context = getContext();
-  return new UnwindInst(Context);
-}
-
 UnreachableInst *UnreachableInst::clone_impl() const {
   LLVMContext &Context = getContext();
   return new UnreachableInst(Context);