[SEH] Add llvm.eh.exceptioncode intrinsic

[oota-llvm.git] / lib / CodeGen / SelectionDAG / FunctionLoweringInfo.cpp

diff --git a/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp b/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
index a7f5ba1269eaade4133b19bce0e426e3e6a3520d..cf2d84f9a1100ef500dc3744e3c204c37a9a47db 100644 (file)
--- a/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
+++ b/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
@@ -577,6 +577,17 @@ int FunctionLoweringInfo::getArgumentFrameIndex(const Argument *A) {
   return 0;
 }
 
+unsigned FunctionLoweringInfo::getCatchPadExceptionPointerVReg(
+    const Value *CPI, const TargetRegisterClass *RC) {
+  MachineRegisterInfo &MRI = MF->getRegInfo();
+  auto I = CatchPadExceptionPointers.insert({CPI, 0});
+  unsigned &VReg = I.first->second;
+  if (I.second)
+    VReg = MRI.createVirtualRegister(RC);
+  assert(VReg && "null vreg in exception pointer table!");
+  return VReg;
+}
+
 /// ComputeUsesVAFloatArgument - Determine if any floating-point values are
 /// being passed to this variadic function, and set the MachineModuleInfo's
 /// usesVAFloatArgument flag if so. This flag is used to emit an undefined