[WinEH] Delete the old landingpad implementation of Windows EH

The new implementation works at least as well as the old implementation
did.

Also delete the associated preparation tests. They don't exercise
interesting corner cases of the new implementation. All the codegen
tests of the EH tables have already been ported.

llvm-svn: 249918

1 files changed, 0 insertions, 19 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 9e315194c98..071317c5a53 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -5152,9 +5152,6 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
   }
   case Intrinsic::clear_cache:
     return TLI.getClearCacheBuiltinName();
-  case Intrinsic::eh_actions:
-    setValue(&I, DAG.getUNDEF(TLI.getPointerTy(DAG.getDataLayout())));
-    return nullptr;
   case Intrinsic::donothing:
     // ignore
     return nullptr;
@@ -5238,22 +5235,6 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
 
     return nullptr;
   }
-  case Intrinsic::eh_begincatch:
-  case Intrinsic::eh_endcatch:
-    llvm_unreachable("begin/end catch intrinsics not lowered in codegen");
-  case Intrinsic::eh_exceptioncode_old: {
-    unsigned Reg = TLI.getExceptionPointerRegister();
-    assert(Reg && "cannot get exception code on this platform");
-    MVT PtrVT = TLI.getPointerTy(DAG.getDataLayout());
-    const TargetRegisterClass *PtrRC = TLI.getRegClassFor(PtrVT);
-    assert(FuncInfo.MBB->isEHPad() && "eh.exceptioncode in non-lpad");
-    unsigned VReg = FuncInfo.MBB->addLiveIn(Reg, PtrRC);
-    SDValue N =
-        DAG.getCopyFromReg(DAG.getEntryNode(), getCurSDLoc(), VReg, PtrVT);
-    N = DAG.getZExtOrTrunc(N, getCurSDLoc(), MVT::i32);
-    setValue(&I, N);
-    return nullptr;
-  }
 
   case Intrinsic::eh_exceptionpointer:
   case Intrinsic::eh_exceptioncode: {