PCMarker support for DAG and Alpha
llvm-svn: 20965
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 5762325..5f8a21a 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -552,6 +552,10 @@
break;
}
break;
+ case ISD::PCMARKER:
+ Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain.
+ Result = DAG.getNode(ISD::PCMARKER, MVT::Other, Tmp1, Node->getOperand(1));
+ break;
case ISD::TRUNCSTORE:
Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain.
Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the pointer.
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index d4804d9..edc5b8c 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -1099,6 +1099,7 @@
const char *SDNode::getOperationName() const {
switch (getOpcode()) {
default: return "<<Unknown>>";
+ case ISD::PCMARKER: return "PCMarker";
case ISD::EntryToken: return "EntryToken";
case ISD::TokenFactor: return "TokenFactor";
case ISD::Constant: return "Constant";
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 9871cb3..7535298 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -662,6 +662,12 @@
setValue(&I, DAG.getSetCC(ISD::SETUO, MVT::i1, getValue(I.getOperand(1)),
getValue(I.getOperand(2))));
return;
+ case Intrinsic::pcmarker: {
+ SDOperand Num = getValue(I.getOperand(1));
+ DAG.setRoot(DAG.getNode(ISD::PCMARKER, MVT::Other, getRoot(), Num));
+ return;
+ }
+
}
SDOperand Callee;