ADd support for TargetGlobalAddress nodes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22939 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index b38648e..b93dd12 100644
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -97,6 +97,7 @@
SDOperand getTargetConstant(uint64_t Val, MVT::ValueType VT);
SDOperand getConstantFP(double Val, MVT::ValueType VT);
SDOperand getGlobalAddress(const GlobalValue *GV, MVT::ValueType VT);
+ SDOperand getTargetGlobalAddress(const GlobalValue *GV, MVT::ValueType VT);
SDOperand getFrameIndex(int FI, MVT::ValueType VT);
SDOperand getConstantPool(unsigned CPIdx, MVT::ValueType VT);
SDOperand getBasicBlock(MachineBasicBlock *MBB);
@@ -288,6 +289,7 @@
SDNode *> Loads;
std::map<const GlobalValue*, SDNode*> GlobalValues;
+ std::map<const GlobalValue*, SDNode*> TargetGlobalValues;
std::map<std::pair<uint64_t, MVT::ValueType>, SDNode*> Constants;
std::map<std::pair<uint64_t, MVT::ValueType>, SDNode*> TargetConstants;
std::map<std::pair<uint64_t, MVT::ValueType>, SDNode*> ConstantFPs;
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h
index b365d9d..56a279c 100644
--- a/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -60,6 +60,11 @@
// TargetConstant - Like Constant, but the DAG does not do any folding or
// simplification of the constant. This is used by the DAG->DAG selector.
TargetConstant,
+
+ // TargetGlobalAddress - Like GlobalAddress, but the DAG does no folding or
+ // anything else with this node, and this is valid in the target-specific
+ // dag, turning into a GlobalAddress operand.
+ TargetGlobalAddress,
// CopyToReg - This node has three operands: a chain, a register number to
// set to this value, and a value.
@@ -775,8 +780,8 @@
GlobalValue *TheGlobal;
protected:
friend class SelectionDAG;
- GlobalAddressSDNode(const GlobalValue *GA, MVT::ValueType VT)
- : SDNode(ISD::GlobalAddress, VT) {
+ GlobalAddressSDNode(bool isTarget, const GlobalValue *GA, MVT::ValueType VT)
+ : SDNode(isTarget ? ISD::TargetGlobalAddress : ISD::GlobalAddress, VT) {
TheGlobal = const_cast<GlobalValue*>(GA);
}
public:
@@ -785,7 +790,8 @@
static bool classof(const GlobalAddressSDNode *) { return true; }
static bool classof(const SDNode *N) {
- return N->getOpcode() == ISD::GlobalAddress;
+ return N->getOpcode() == ISD::GlobalAddress ||
+ N->getOpcode() == ISD::TargetGlobalAddress;
}
};