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Add support for a new STRING and LOCATION node for line number support, patch

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contributed by Daniel Berlin, with a few cleanups here and there by me.

llvm-svn: 24512
This commit is contained in:
Chris Lattner 2005-11-29 06:15:39 +00:00
parent a1c2df2471
commit f9ea6dbf66
2 changed files with 24 additions and 1 deletions
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2
include/llvm/CodeGen/SelectionDAG.h
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@ -105,6 +105,7 @@ public:
/// argument, it is used as the seed for node deletion.
void RemoveDeadNodes(SDNode *N = 0);
SDOperand getString(const std::string &Val);
SDOperand getConstant(uint64_t Val, MVT::ValueType VT);
SDOperand getTargetConstant(uint64_t Val, MVT::ValueType VT);
SDOperand getConstantFP(double Val, MVT::ValueType VT);
@ -406,6 +407,7 @@ private:
std::vector<SDNode*> ValueTypeNodes;
std::map<std::string, SDNode*> ExternalSymbols;
std::map<std::string, SDNode*> TargetExternalSymbols;
std::map<std::string, StringSDNode*> StringNodes;
std::map<std::pair<unsigned,
std::pair<MVT::ValueType, std::vector<SDOperand> > >,
SDNode*> OneResultNodes;

23
include/llvm/CodeGen/SelectionDAGNodes.h
View File

@ -63,7 +63,8 @@ namespace ISD {
AssertSext, AssertZext,
// Various leaf nodes.
Constant, ConstantFP, GlobalAddress, FrameIndex, ConstantPool,
Constant, ConstantFP, STRING,
GlobalAddress, FrameIndex, ConstantPool,
BasicBlock, ExternalSymbol, VALUETYPE, CONDCODE, Register,
// TargetConstant - Like Constant, but the DAG does not do any folding or
@ -341,6 +342,12 @@ namespace ISD {
// HANDLENODE node - Used as a handle for various purposes.
HANDLENODE,
// LOCATION - This node is used to represent a source location for debug
// info. It takes token chain as input, then a line number, then a column
// number, then a filename, then a working dir. It produces a token chain
// as output.
LOCATION,
// BUILTIN_OP_END - This must be the last enum value in this list.
BUILTIN_OP_END,
};
@ -846,6 +853,20 @@ public:
SDOperand getValue() const { return getOperand(0); }
};
class StringSDNode : public SDNode {
std::string Value;
protected:
friend class SelectionDAG;
StringSDNode(const std::string &val)
: SDNode(ISD::STRING, MVT::Other), Value(val) {
}
public:
const std::string &getValue() const { return Value; }
static bool classof(const StringSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::STRING;
}
};
class ConstantSDNode : public SDNode {
uint64_t Value;