Implement indirect branches on MSP430
llvm-svn: 102835
diff --git a/llvm/lib/Target/MSP430/MSP430ISelLowering.cpp b/llvm/lib/Target/MSP430/MSP430ISelLowering.cpp
index 2695f8c..c3e2bdf 100644
--- a/llvm/lib/Target/MSP430/MSP430ISelLowering.cpp
+++ b/llvm/lib/Target/MSP430/MSP430ISelLowering.cpp
@@ -110,8 +110,8 @@
setOperationAction(ISD::ROTR, MVT::i16, Expand);
setOperationAction(ISD::GlobalAddress, MVT::i16, Custom);
setOperationAction(ISD::ExternalSymbol, MVT::i16, Custom);
+ setOperationAction(ISD::BlockAddress, MVT::i16, Custom);
setOperationAction(ISD::BR_JT, MVT::Other, Expand);
- setOperationAction(ISD::BRIND, MVT::Other, Expand);
setOperationAction(ISD::BR_CC, MVT::i8, Custom);
setOperationAction(ISD::BR_CC, MVT::i16, Custom);
setOperationAction(ISD::BRCOND, MVT::Other, Expand);
@@ -183,6 +183,7 @@
case ISD::SRL:
case ISD::SRA: return LowerShifts(Op, DAG);
case ISD::GlobalAddress: return LowerGlobalAddress(Op, DAG);
+ case ISD::BlockAddress: return LowerBlockAddress(Op, DAG);
case ISD::ExternalSymbol: return LowerExternalSymbol(Op, DAG);
case ISD::SETCC: return LowerSETCC(Op, DAG);
case ISD::BR_CC: return LowerBR_CC(Op, DAG);
@@ -655,6 +656,15 @@
return DAG.getNode(MSP430ISD::Wrapper, dl, getPointerTy(), Result);;
}
+SDValue MSP430TargetLowering::LowerBlockAddress(SDValue Op,
+ SelectionDAG &DAG) const {
+ DebugLoc dl = Op.getDebugLoc();
+ const BlockAddress *BA = cast<BlockAddressSDNode>(Op)->getBlockAddress();
+ SDValue Result = DAG.getBlockAddress(BA, getPointerTy(), /*isTarget=*/true);
+
+ return DAG.getNode(MSP430ISD::Wrapper, dl, getPointerTy(), Result);;
+}
+
static SDValue EmitCMP(SDValue &LHS, SDValue &RHS, SDValue &TargetCC,
ISD::CondCode CC,
DebugLoc dl, SelectionDAG &DAG) {
@@ -753,7 +763,6 @@
Chain, Dest, TargetCC, Flag);
}
-
SDValue MSP430TargetLowering::LowerSETCC(SDValue Op, SelectionDAG &DAG) const {
SDValue LHS = Op.getOperand(0);
SDValue RHS = Op.getOperand(1);