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ADd support for TargetGlobalAddress nodes

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22939 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-08-19 22:31:34 +00:00
parent aaaa0b67dd
commit f6b184981e
2 changed files with 11 additions and 3 deletions
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2
include/llvm/CodeGen/SelectionDAG.h
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@ -97,6 +97,7 @@ public:
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 @@ private:
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;

12
include/llvm/CodeGen/SelectionDAGNodes.h
View File

@ -60,6 +60,11 @@ namespace ISD {
// 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 @@ class GlobalAddressSDNode : public SDNode {
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 @@ public:
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;
}
};