New EH representation for MSVC compatibility

This introduces new instructions neccessary to implement MSVC-compatible
exception handling support.  Most of the middle-end and none of the
back-end haven't been audited or updated to take them into account.

Differential Revision: http://reviews.llvm.org/D11097

llvm-svn: 243766

3 files changed, 36 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 22e1be94ef0..f15c95f4d5e 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -1158,6 +1158,30 @@ SDValue SelectionDAGBuilder::getValueImpl(const Value *V) {
   llvm_unreachable("Can't get register for value!");
 }
 
+void SelectionDAGBuilder::visitCleanupRet(const CleanupReturnInst &I) {
+  report_fatal_error("visitCleanupRet not yet implemented!");
+}
+
+void SelectionDAGBuilder::visitCatchEndPad(const CatchEndPadInst &I) {
+  report_fatal_error("visitCatchEndPad not yet implemented!");
+}
+
+void SelectionDAGBuilder::visitCatchRet(const CatchReturnInst &I) {
+  report_fatal_error("visitCatchRet not yet implemented!");
+}
+
+void SelectionDAGBuilder::visitCatchPad(const CatchPadInst &I) {
+  report_fatal_error("visitCatchPad not yet implemented!");
+}
+
+void SelectionDAGBuilder::visitTerminatePad(const TerminatePadInst &TPI) {
+  report_fatal_error("visitTerminatePad not yet implemented!");
+}
+
+void SelectionDAGBuilder::visitCleanupPad(const CleanupPadInst &CPI) {
+  report_fatal_error("visitCleanupPad not yet implemented!");
+}
+
 void SelectionDAGBuilder::visitRet(const ReturnInst &I) {
   const TargetLowering &TLI = DAG.getTargetLoweringInfo();
   auto &DL = DAG.getDataLayout();
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
index 1b8cd5bb585..f71190d6375 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
@@ -735,6 +735,12 @@ private:
   void visitSwitch(const SwitchInst &I);
   void visitIndirectBr(const IndirectBrInst &I);
   void visitUnreachable(const UnreachableInst &I);
+  void visitCleanupRet(const CleanupReturnInst &I);
+  void visitCatchEndPad(const CatchEndPadInst &I);
+  void visitCatchRet(const CatchReturnInst &I);
+  void visitCatchPad(const CatchPadInst &I);
+  void visitTerminatePad(const TerminatePadInst &TPI);
+  void visitCleanupPad(const CleanupPadInst &CPI);
 
   uint32_t getEdgeWeight(const MachineBasicBlock *Src,
                          const MachineBasicBlock *Dst) const;
diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp
index ee50ddd9fa0..0e10b2f2e11 100644
--- a/llvm/lib/CodeGen/TargetLoweringBase.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp
@@ -1571,6 +1571,12 @@ int TargetLoweringBase::InstructionOpcodeToISD(unsigned Opcode) const {
   case Invoke:         return 0;
   case Resume:         return 0;
   case Unreachable:    return 0;
+  case CleanupRet:     return 0;
+  case CatchEndPad:  return 0;
+  case CatchRet:       return 0;
+  case CatchPad:     return 0;
+  case TerminatePad: return 0;
+  case CleanupPad:   return 0;
   case Add:            return ISD::ADD;
   case FAdd:           return ISD::FADD;
   case Sub:            return ISD::SUB;