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allow setting target operand flags on TargetGlobalAddress nodes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74203 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-06-25 21:21:14 +00:00
parent 304f6a48b1
commit 2a4ed82ce2
3 changed files with 27 additions and 10 deletions
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8
include/llvm/CodeGen/SelectionDAG.h
View File

@ -278,10 +278,12 @@ public:
return getConstantFP(Val, VT, true);
}
SDValue getGlobalAddress(const GlobalValue *GV, MVT VT,
int64_t offset = 0, bool isTargetGA = false);
int64_t offset = 0, bool isTargetGA = false,
unsigned char TargetFlags = 0);
SDValue getTargetGlobalAddress(const GlobalValue *GV, MVT VT,
int64_t offset = 0) {
return getGlobalAddress(GV, VT, offset, true);
int64_t offset = 0,
unsigned char TargetFlags = 0) {
return getGlobalAddress(GV, VT, offset, true, TargetFlags);
}
SDValue getFrameIndex(int FI, MVT VT, bool isTarget = false);
SDValue getTargetFrameIndex(int FI, MVT VT) {

4
include/llvm/CodeGen/SelectionDAGNodes.h
View File

@ -1819,13 +1819,15 @@ public:
class GlobalAddressSDNode : public SDNode {
GlobalValue *TheGlobal;
int64_t Offset;
unsigned char TargetFlags;
friend class SelectionDAG;
GlobalAddressSDNode(bool isTarget, const GlobalValue *GA, MVT VT,
int64_t o = 0);
int64_t o, unsigned char TargetFlags);
public:
GlobalValue *getGlobal() const { return TheGlobal; }
int64_t getOffset() const { return Offset; }
unsigned char getTargetFlags() const { return TargetFlags; }
// Return the address space this GlobalAddress belongs to.
unsigned getAddressSpace() const;

25
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -361,6 +361,9 @@ static void AddNodeIDNode(FoldingSetNodeID &ID,
/// the NodeID data.
static void AddNodeIDCustom(FoldingSetNodeID &ID, const SDNode *N) {
switch (N->getOpcode()) {
case ISD::TargetExternalSymbol:
case ISD::ExternalSymbol:
assert(0 && "Should only be used on nodes with operands");
default: break; // Normal nodes don't need extra info.
case ISD::ARG_FLAGS:
ID.AddInteger(cast<ARG_FLAGSSDNode>(N)->getArgFlags().getRawBits());
@ -381,6 +384,7 @@ static void AddNodeIDCustom(FoldingSetNodeID &ID, const SDNode *N) {
const GlobalAddressSDNode *GA = cast<GlobalAddressSDNode>(N);
ID.AddPointer(GA->getGlobal());
ID.AddInteger(GA->getOffset());
ID.AddInteger(GA->getTargetFlags());
break;
}
case ISD::BasicBlock:
@ -958,9 +962,11 @@ SDValue SelectionDAG::getConstantFP(double Val, MVT VT, bool isTarget) {
SDValue SelectionDAG::getGlobalAddress(const GlobalValue *GV,
MVT VT, int64_t Offset,
bool isTargetGA) {
unsigned Opc;
bool isTargetGA,
unsigned char TargetFlags) {
assert((TargetFlags == 0 || isTargetGA) &&
"Cannot set target flags on target-independent globals");
// Truncate (with sign-extension) the offset value to the pointer size.
unsigned BitWidth = TLI.getPointerTy().getSizeInBits();
if (BitWidth < 64)
@ -973,6 +979,7 @@ SDValue SelectionDAG::getGlobalAddress(const GlobalValue *GV,
GVar = dyn_cast_or_null<GlobalVariable>(GA->resolveAliasedGlobal(false));
}
unsigned Opc;
if (GVar && GVar->isThreadLocal())
Opc = isTargetGA ? ISD::TargetGlobalTLSAddress : ISD::GlobalTLSAddress;
else
@ -982,11 +989,12 @@ SDValue SelectionDAG::getGlobalAddress(const GlobalValue *GV,
AddNodeIDNode(ID, Opc, getVTList(VT), 0, 0);
ID.AddPointer(GV);
ID.AddInteger(Offset);
ID.AddInteger(TargetFlags);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
return SDValue(E, 0);
SDNode *N = NodeAllocator.Allocate<GlobalAddressSDNode>();
new (N) GlobalAddressSDNode(isTargetGA, GV, VT, Offset);
new (N) GlobalAddressSDNode(isTargetGA, GV, VT, Offset, TargetFlags);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
return SDValue(N, 0);
@ -4914,14 +4922,15 @@ HandleSDNode::~HandleSDNode() {
}
GlobalAddressSDNode::GlobalAddressSDNode(bool isTarget, const GlobalValue *GA,
MVT VT, int64_t o)
MVT VT, int64_t o, unsigned char TF)
: SDNode(isa<GlobalVariable>(GA) &&
cast<GlobalVariable>(GA)->isThreadLocal() ?
// Thread Local
(isTarget ? ISD::TargetGlobalTLSAddress : ISD::GlobalTLSAddress) :
// Non Thread Local
(isTarget ? ISD::TargetGlobalAddress : ISD::GlobalAddress),
DebugLoc::getUnknownLoc(), getSDVTList(VT)), Offset(o) {
DebugLoc::getUnknownLoc(), getSDVTList(VT)),
Offset(o), TargetFlags(TF) {
TheGlobal = const_cast<GlobalValue*>(GA);
}
@ -5487,6 +5496,8 @@ void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const {
OS << " + " << offset;
else
OS << " " << offset;
if (unsigned char TF = GADN->getTargetFlags())
OS << " [TF=" << TF << ']';
} else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) {
OS << "<" << FIDN->getIndex() << ">";
} else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) {
@ -5517,6 +5528,8 @@ void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const {
} else if (const ExternalSymbolSDNode *ES =
dyn_cast<ExternalSymbolSDNode>(this)) {
OS << "'" << ES->getSymbol() << "'";
if (unsigned char TF = GADN->getTargetFlags())
OS << " [TF=" << TF << ']';
} else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) {
if (M->getValue())
OS << "<" << M->getValue() << ">";