continued readcyclecounter support
llvm-svn: 24300
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 56ab18c..03813d0 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -1122,6 +1122,11 @@
if (Tmp1 != Node->getOperand(0))
Result = DAG.getNode(ISD::PCMARKER, MVT::Other, Tmp1,Node->getOperand(1));
break;
+ case ISD::READCYCLECOUNTER:
+ Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain
+ if (Tmp1 != Node->getOperand(0))
+ Result = DAG.getNode(ISD::READCYCLECOUNTER, MVT::i64, Tmp1);
+ 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 3c0baf0..7b8046e 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -1624,6 +1624,7 @@
}
case ISD::PCMARKER: return "PCMarker";
+ case ISD::READCYCLECOUNTER: return "ReadCycleCounter";
case ISD::SRCVALUE: return "SrcValue";
case ISD::VALUETYPE: return "ValueType";
case ISD::EntryToken: return "EntryToken";
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index e954f15..ae61e20 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -804,6 +804,9 @@
DAG.setRoot(DAG.getNode(ISD::PCMARKER, MVT::Other, getRoot(), Tmp));
return 0;
}
+ case Intrinsic::readcyclecounter:
+ setValue(&I, DAG.getNode(ISD::READCYCLECOUNTER, MVT::i64, getRoot()));
+ return 0;
case Intrinsic::cttz:
setValue(&I, DAG.getNode(ISD::CTTZ,
getValue(I.getOperand(1)).getValueType(),