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start bringing targetoperand flags into isel, first up, ExternalSymbol.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74199 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-06-25 18:45:50 +00:00
parent 7bba2333fb
commit 1af2231da6
3 changed files with 22 additions and 12 deletions
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7
include/llvm/CodeGen/SelectionDAG.h
View File

@ -310,8 +310,8 @@ public:
SDValue getBasicBlock(MachineBasicBlock *MBB, DebugLoc dl);
SDValue getExternalSymbol(const char *Sym, MVT VT);
SDValue getExternalSymbol(const char *Sym, DebugLoc dl, MVT VT);
SDValue getTargetExternalSymbol(const char *Sym, MVT VT);
SDValue getTargetExternalSymbol(const char *Sym, DebugLoc dl, MVT VT);
SDValue getTargetExternalSymbol(const char *Sym, MVT VT,
unsigned char TargetFlags = 0);
SDValue getArgFlags(ISD::ArgFlagsTy Flags);
SDValue getValueType(MVT);
SDValue getRegister(unsigned Reg, MVT VT);
@ -862,7 +862,8 @@ private:
std::vector<SDNode*> ValueTypeNodes;
std::map<MVT, SDNode*, MVT::compareRawBits> ExtendedValueTypeNodes;
StringMap<SDNode*> ExternalSymbols;
StringMap<SDNode*> TargetExternalSymbols;
std::map<std::pair<std::string, unsigned char>,SDNode*> TargetExternalSymbols;
};
template <> struct GraphTraits<SelectionDAG*> : public GraphTraits<SDNode*> {

7
include/llvm/CodeGen/SelectionDAGNodes.h
View File

@ -2101,15 +2101,18 @@ public:
class ExternalSymbolSDNode : public SDNode {
const char *Symbol;
unsigned char TargetFlags;
friend class SelectionDAG;
ExternalSymbolSDNode(bool isTarget, const char *Sym, MVT VT)
ExternalSymbolSDNode(bool isTarget, const char *Sym, unsigned char TF, MVT VT)
: SDNode(isTarget ? ISD::TargetExternalSymbol : ISD::ExternalSymbol,
DebugLoc::getUnknownLoc(),
getSDVTList(VT)), Symbol(Sym) {
getSDVTList(VT)), Symbol(Sym), TargetFlags(TF) {
}
public:
const char *getSymbol() const { return Symbol; }
unsigned char getTargetFlags() const { return TargetFlags; }
static bool classof(const ExternalSymbolSDNode *) { return true; }
static bool classof(const SDNode *N) {

20
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -632,10 +632,13 @@ bool SelectionDAG::RemoveNodeFromCSEMaps(SDNode *N) {
case ISD::ExternalSymbol:
Erased = ExternalSymbols.erase(cast<ExternalSymbolSDNode>(N)->getSymbol());
break;
case ISD::TargetExternalSymbol:
Erased =
TargetExternalSymbols.erase(cast<ExternalSymbolSDNode>(N)->getSymbol());
case ISD::TargetExternalSymbol: {
ExternalSymbolSDNode *ESN = cast<ExternalSymbolSDNode>(N);
Erased = TargetExternalSymbols.erase(
std::pair<std::string,unsigned char>(ESN->getSymbol(),
ESN->getTargetFlags()));
break;
}
case ISD::VALUETYPE: {
MVT VT = cast<VTSDNode>(N)->getVT();
if (VT.isExtended()) {
@ -1108,16 +1111,19 @@ SDValue SelectionDAG::getExternalSymbol(const char *Sym, MVT VT) {
SDNode *&N = ExternalSymbols[Sym];
if (N) return SDValue(N, 0);
N = NodeAllocator.Allocate<ExternalSymbolSDNode>();
new (N) ExternalSymbolSDNode(false, Sym, VT);
new (N) ExternalSymbolSDNode(false, Sym, 0, VT);
AllNodes.push_back(N);
return SDValue(N, 0);
}
SDValue SelectionDAG::getTargetExternalSymbol(const char *Sym, MVT VT) {
SDNode *&N = TargetExternalSymbols[Sym];
SDValue SelectionDAG::getTargetExternalSymbol(const char *Sym, MVT VT,
unsigned char TargetFlags) {
SDNode *&N =
TargetExternalSymbols[std::pair<std::string,unsigned char>(Sym,
TargetFlags)];
if (N) return SDValue(N, 0);
N = NodeAllocator.Allocate<ExternalSymbolSDNode>();
new (N) ExternalSymbolSDNode(true, Sym, VT);
new (N) ExternalSymbolSDNode(true, Sym, TargetFlags, VT);
AllNodes.push_back(N);
return SDValue(N, 0);
}