Change -arm-trap-func= into a non-arm specific option. Now Intrinsic::trap is lowered into a call to the specified trap function at sdisel time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129152 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 23 deletions

diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 7c456ed..330a781 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -72,11 +72,6 @@ ARMInterworking("arm-interworking", cl::Hidden,
   cl::desc("Enable / disable ARM interworking (for debugging only)"),
   cl::init(true));
 
-static cl::opt<std::string>
-TrapFuncName("arm-trap-func", cl::Hidden,
-  cl::desc("Emit a call to trap function rather than a trap instruction"),
-  cl::init(""));
-
 void ARMTargetLowering::addTypeForNEON(EVT VT, EVT PromotedLdStVT,
                                        EVT PromotedBitwiseVT) {
   if (VT != PromotedLdStVT) {
@@ -562,10 +557,7 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
   setOperationAction(ISD::GlobalTLSAddress, MVT::i32, Custom);
   setOperationAction(ISD::BlockAddress, MVT::i32, Custom);
 
-  if (TrapFuncName.size())
-    setOperationAction(ISD::TRAP, MVT::Other, Custom);
-  else
-    setOperationAction(ISD::TRAP, MVT::Other, Legal);
+  setOperationAction(ISD::TRAP, MVT::Other, Legal);
 
   // Use the default implementation.
   setOperationAction(ISD::VASTART,            MVT::Other, Custom);
@@ -4698,19 +4690,6 @@ static SDValue LowerUDIV(SDValue Op, SelectionDAG &DAG) {
   return N0;
 }
 
-static SDValue LowerTrap(SDValue Op, SelectionDAG &DAG) {
-  const TargetLowering &TLI = DAG.getTargetLoweringInfo();
-  TargetLowering::ArgListTy Args;
-  std::pair<SDValue, SDValue> CallResult =
-    TLI.LowerCallTo(Op.getOperand(0), Type::getVoidTy(*DAG.getContext()),
-                false, false, false, false, 0, CallingConv::C,
-                /*isTailCall=*/false,
-                /*isReturnValueUsed=*/true,
-                DAG.getExternalSymbol(TrapFuncName.c_str(), TLI.getPointerTy()),
-                Args, DAG, Op.getDebugLoc());
-  return CallResult.second;
-}
-
 SDValue ARMTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const {
   switch (Op.getOpcode()) {
   default: llvm_unreachable("Don't know how to custom lower this!");
@@ -4757,7 +4736,6 @@ SDValue ARMTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const {
   case ISD::MUL:           return LowerMUL(Op, DAG);
   case ISD::SDIV:          return LowerSDIV(Op, DAG);
   case ISD::UDIV:          return LowerUDIV(Op, DAG);
-  case ISD::TRAP:          return LowerTrap(Op, DAG);
   }
   return SDValue();
 }