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rename the ADJCALLSTACKDOWN/ADJCALLSTACKUP nodes to be CALLSEQ_START/BEGIN.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21915 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-05-12 23:24:06 +00:00
parent b794107416
commit 16cd04d26c
8 changed files with 60 additions and 60 deletions
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12
include/llvm/CodeGen/SelectionDAGNodes.h
View File

@ -245,12 +245,12 @@ namespace ISD {
MEMMOVE,
MEMCPY,
// ADJCALLSTACKDOWN/ADJCALLSTACKUP - These operators mark the beginning and
// end of a call sequence and indicate how much the stack pointer needs to
// be adjusted for that particular call. The first operand is a chain, the
// second is a ConstantSDNode of intptr type.
ADJCALLSTACKDOWN, // Beginning of a call sequence
ADJCALLSTACKUP, // End of a call sequence
// CALLSEQ_START/CALLSEQ_END - These operators mark the beginning and end of
// a call sequence, and carry arbitrary information that target might want
// to know. The first operand is a chain, the rest are specified by the
// target and not touched by the DAG optimizers.
CALLSEQ_START, // Beginning of a call sequence
CALLSEQ_END, // End of a call sequence
// SRCVALUE - This corresponds to a Value*, and is used to associate memory
// locations with their value. This allows one use alias analysis

32
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@ -323,8 +323,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
break;
}
case ISD::ADJCALLSTACKDOWN:
case ISD::ADJCALLSTACKUP:
case ISD::CALLSEQ_START:
case ISD::CALLSEQ_END:
Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain.
// There is no need to legalize the size argument (Operand #1)
Tmp2 = Node->getOperand(0);
@ -339,7 +339,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
DAG.getNode(ISD::PCMARKER, MVT::Other, Tmp2,
DAG.getConstant(0, MVT::i32));
}
// Note that we do not create new ADJCALLSTACK DOWN/UP nodes here. These
// Note that we do not create new CALLSEQ_DOWN/UP nodes here. These
// nodes are treated specially and are mutated in place. This makes the dag
// legalization process more efficient and also makes libcall insertion
// easier.
@ -1945,9 +1945,9 @@ bool SelectionDAGLegalize::ExpandShift(unsigned Opc, SDOperand Op,SDOperand Amt,
static void FindLatestAdjCallStackDown(SDNode *Node, SDNode *&Found) {
if (Node->getNodeDepth() <= Found->getNodeDepth()) return;
// If we found an ADJCALLSTACKDOWN, we already know this node occurs later
// If we found an CALLSEQ_START, we already know this node occurs later
// than the Found node. Just remember this node and return.
if (Node->getOpcode() == ISD::ADJCALLSTACKDOWN) {
if (Node->getOpcode() == ISD::CALLSEQ_START) {
Found = Node;
return;
}
@ -1970,9 +1970,9 @@ static void FindLatestAdjCallStackDown(SDNode *Node, SDNode *&Found) {
static void FindEarliestAdjCallStackUp(SDNode *Node, SDNode *&Found) {
if (Found && Node->getNodeDepth() >= Found->getNodeDepth()) return;
// If we found an ADJCALLSTACKUP, we already know this node occurs earlier
// If we found an CALLSEQ_END, we already know this node occurs earlier
// than the Found node. Just remember this node and return.
if (Node->getOpcode() == ISD::ADJCALLSTACKUP) {
if (Node->getOpcode() == ISD::CALLSEQ_END) {
Found = Node;
return;
}
@ -1988,9 +1988,9 @@ static void FindEarliestAdjCallStackUp(SDNode *Node, SDNode *&Found) {
}
/// FindAdjCallStackUp - Given a chained node that is part of a call sequence,
/// find the ADJCALLSTACKUP node that terminates the call sequence.
/// find the CALLSEQ_END node that terminates the call sequence.
static SDNode *FindAdjCallStackUp(SDNode *Node) {
if (Node->getOpcode() == ISD::ADJCALLSTACKUP)
if (Node->getOpcode() == ISD::CALLSEQ_END)
return Node;
if (Node->use_empty())
return 0; // No adjcallstackup
@ -2003,7 +2003,7 @@ static SDNode *FindAdjCallStackUp(SDNode *Node) {
for (SDNode::use_iterator UI = Node->use_begin(),
E = Node->use_end(); ; ++UI) {
assert(UI != E && "Didn't find a user of the tokchain, no ADJCALLSTACKUP!");
assert(UI != E && "Didn't find a user of the tokchain, no CALLSEQ_END!");
// Make sure to only follow users of our token chain.
SDNode *User = *UI;
@ -2016,10 +2016,10 @@ static SDNode *FindAdjCallStackUp(SDNode *Node) {
}
/// FindAdjCallStackDown - Given a chained node that is part of a call sequence,
/// find the ADJCALLSTACKDOWN node that initiates the call sequence.
/// find the CALLSEQ_START node that initiates the call sequence.
static SDNode *FindAdjCallStackDown(SDNode *Node) {
assert(Node && "Didn't find adjcallstackdown for a call??");
if (Node->getOpcode() == ISD::ADJCALLSTACKDOWN) return Node;
if (Node->getOpcode() == ISD::CALLSEQ_START) return Node;
assert(Node->getOperand(0).getValueType() == MVT::Other &&
"Node doesn't have a token chain argument!");
@ -2040,11 +2040,11 @@ static SDOperand FindInputOutputChains(SDNode *OpNode, SDNode *&OutChain,
FindLatestAdjCallStackDown(OpNode, LatestAdjCallStackDown);
//std::cerr<<"Found node: "; LatestAdjCallStackDown->dump(); std::cerr <<"\n";
// It is possible that no ISD::ADJCALLSTACKDOWN was found because there is no
// It is possible that no ISD::CALLSEQ_START was found because there is no
// previous call in the function. LatestCallStackDown may in that case be
// the entry node itself. Do not attempt to find a matching ADJCALLSTACKUP
// unless LatestCallStackDown is an ADJCALLSTACKDOWN.
if (LatestAdjCallStackDown->getOpcode() == ISD::ADJCALLSTACKDOWN)
// the entry node itself. Do not attempt to find a matching CALLSEQ_END
// unless LatestCallStackDown is an CALLSEQ_START.
if (LatestAdjCallStackDown->getOpcode() == ISD::CALLSEQ_START)
LatestAdjCallStackUp = FindAdjCallStackUp(LatestAdjCallStackDown);
else
LatestAdjCallStackUp = Entry.Val;

12
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -1194,7 +1194,7 @@ SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,
// Memoize this node if possible.
SDNode *N;
if (Opcode != ISD::ADJCALLSTACKDOWN && Opcode != ISD::ADJCALLSTACKUP) {
if (Opcode != ISD::CALLSEQ_START && Opcode != ISD::CALLSEQ_END) {
SDNode *&BON = BinaryOps[std::make_pair(Opcode, std::make_pair(N1, N2))];
if (BON) return SDOperand(BON, 0);
@ -1214,11 +1214,11 @@ SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,
}
// setAdjCallChain - This method changes the token chain of an
// ADJCALLSTACKDOWN/UP node to be the specified operand.
// CALLSEQ_START/END node to be the specified operand.
void SDNode::setAdjCallChain(SDOperand N) {
assert(N.getValueType() == MVT::Other);
assert((getOpcode() == ISD::ADJCALLSTACKDOWN ||
getOpcode() == ISD::ADJCALLSTACKUP) && "Cannot adjust this node!");
assert((getOpcode() == ISD::CALLSEQ_START ||
getOpcode() == ISD::CALLSEQ_END) && "Cannot adjust this node!");
Operands[0].Val->removeUser(this);
Operands[0] = N;
@ -1690,8 +1690,8 @@ const char *SDNode::getOperationName() const {
case ISD::BRCONDTWOWAY: return "brcondtwoway";
case ISD::RET: return "ret";
case ISD::CALL: return "call";
case ISD::ADJCALLSTACKDOWN: return "adjcallstackdown";
case ISD::ADJCALLSTACKUP: return "adjcallstackup";
case ISD::CALLSEQ_START: return "callseq_end";
case ISD::CALLSEQ_END: return "callseq_start";
// Other operators
case ISD::LOAD: return "load";

10
lib/Target/Alpha/AlphaISelPattern.cpp
View File

@ -311,7 +311,7 @@ AlphaTargetLowering::LowerCallTo(SDOperand Chain,
if (Args.size() > 6)
NumBytes = (Args.size() - 6) * 8;
Chain = DAG.getNode(ISD::ADJCALLSTACKDOWN, MVT::Other, Chain,
Chain = DAG.getNode(ISD::CALLSEQ_START, MVT::Other, Chain,
DAG.getConstant(NumBytes, getPointerTy()));
std::vector<SDOperand> args_to_use;
for (unsigned i = 0, e = Args.size(); i != e; ++i)
@ -346,7 +346,7 @@ AlphaTargetLowering::LowerCallTo(SDOperand Chain,
SDOperand TheCall = SDOperand(DAG.getCall(RetVals,
Chain, Callee, args_to_use), 0);
Chain = TheCall.getValue(RetTyVT != MVT::isVoid);
Chain = DAG.getNode(ISD::ADJCALLSTACKUP, MVT::Other, Chain,
Chain = DAG.getNode(ISD::CALLSEQ_END, MVT::Other, Chain,
DAG.getConstant(NumBytes, getPointerTy()));
return std::make_pair(TheCall, Chain);
}
@ -2247,12 +2247,12 @@ void ISel::Select(SDOperand N) {
SelectExpr(N);
return;
case ISD::ADJCALLSTACKDOWN:
case ISD::ADJCALLSTACKUP:
case ISD::CALLSEQ_START:
case ISD::CALLSEQ_END:
Select(N.getOperand(0));
Tmp1 = cast<ConstantSDNode>(N.getOperand(1))->getValue();
Opc = N.getOpcode() == ISD::ADJCALLSTACKDOWN ? Alpha::ADJUSTSTACKDOWN :
Opc = N.getOpcode() == ISD::CALLSEQ_START ? Alpha::ADJUSTSTACKDOWN :
Alpha::ADJUSTSTACKUP;
BuildMI(BB, Opc, 1).addImm(Tmp1);
return;

12
lib/Target/IA64/IA64ISelPattern.cpp
View File

@ -333,7 +333,7 @@ IA64TargetLowering::LowerCallTo(SDOperand Chain,
MF.getInfo<IA64FunctionInfo>()->outRegsUsed=
std::max(outRegsUsed, MF.getInfo<IA64FunctionInfo>()->outRegsUsed);
Chain = DAG.getNode(ISD::ADJCALLSTACKDOWN, MVT::Other, Chain,
Chain = DAG.getNode(ISD::CALLSEQ_START, MVT::Other, Chain,
DAG.getConstant(NumBytes, getPointerTy()));
std::vector<SDOperand> args_to_use;
@ -373,7 +373,7 @@ IA64TargetLowering::LowerCallTo(SDOperand Chain,
SDOperand TheCall = SDOperand(DAG.getCall(RetVals, Chain,
Callee, args_to_use), 0);
Chain = TheCall.getValue(RetTyVT != MVT::isVoid);
Chain = DAG.getNode(ISD::ADJCALLSTACKUP, MVT::Other, Chain,
Chain = DAG.getNode(ISD::CALLSEQ_END, MVT::Other, Chain,
DAG.getConstant(NumBytes, getPointerTy()));
return std::make_pair(TheCall, Chain);
}
@ -2425,13 +2425,13 @@ void ISel::Select(SDOperand N) {
return;
}
case ISD::ADJCALLSTACKDOWN:
case ISD::ADJCALLSTACKUP: {
case ISD::CALLSEQ_START:
case ISD::CALLSEQ_END: {
Select(N.getOperand(0));
Tmp1 = cast<ConstantSDNode>(N.getOperand(1))->getValue();
Opc = N.getOpcode() == ISD::ADJCALLSTACKDOWN ? IA64::ADJUSTCALLSTACKDOWN :
IA64::ADJUSTCALLSTACKUP;
Opc = N.getOpcode() == ISD::CALLSEQ_START ? IA64::ADJUSTCALLSTACKDOWN :
IA64::ADJUSTCALLSTACKUP;
BuildMI(BB, Opc, 1).addImm(Tmp1);
return;
}

12
lib/Target/PowerPC/PPC64ISelPattern.cpp
View File

@ -247,7 +247,7 @@ PPC64TargetLowering::LowerCallTo(SDOperand Chain,
unsigned NumBytes = 48;
if (Args.empty()) {
Chain = DAG.getNode(ISD::ADJCALLSTACKDOWN, MVT::Other, Chain,
Chain = DAG.getNode(ISD::CALLSEQ_START, MVT::Other, Chain,
DAG.getConstant(NumBytes, getPointerTy()));
} else {
NumBytes = 8 * Args.size(); // All arguments are rounded up to 8 bytes
@ -258,7 +258,7 @@ PPC64TargetLowering::LowerCallTo(SDOperand Chain,
// Adjust the stack pointer for the new arguments...
// These operations are automatically eliminated by the prolog/epilog pass
Chain = DAG.getNode(ISD::ADJCALLSTACKDOWN, MVT::Other, Chain,
Chain = DAG.getNode(ISD::CALLSEQ_START, MVT::Other, Chain,
DAG.getConstant(NumBytes, getPointerTy()));
// Set up a copy of the stack pointer for use loading and storing any
@ -351,7 +351,7 @@ PPC64TargetLowering::LowerCallTo(SDOperand Chain,
SDOperand TheCall = SDOperand(DAG.getCall(RetVals,
Chain, Callee, args_to_use), 0);
Chain = TheCall.getValue(RetTyVT != MVT::isVoid);
Chain = DAG.getNode(ISD::ADJCALLSTACKUP, MVT::Other, Chain,
Chain = DAG.getNode(ISD::CALLSEQ_END, MVT::Other, Chain,
DAG.getConstant(NumBytes, getPointerTy()));
return std::make_pair(TheCall, Chain);
}
@ -1495,11 +1495,11 @@ void ISel::Select(SDOperand N) {
for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i)
Select(Node->getOperand(i));
return;
case ISD::ADJCALLSTACKDOWN:
case ISD::ADJCALLSTACKUP:
case ISD::CALLSEQ_START:
case ISD::CALLSEQ_END:
Select(N.getOperand(0));
Tmp1 = cast<ConstantSDNode>(N.getOperand(1))->getValue();
Opc = N.getOpcode() == ISD::ADJCALLSTACKDOWN ? PPC::ADJCALLSTACKDOWN :
Opc = N.getOpcode() == ISD::CALLSEQ_START ? PPC::ADJCALLSTACKDOWN :
PPC::ADJCALLSTACKUP;
BuildMI(BB, Opc, 1).addImm(Tmp1);
return;

12
lib/Target/PowerPC/PPCISelPattern.cpp
View File

@ -291,7 +291,7 @@ PPC32TargetLowering::LowerCallTo(SDOperand Chain,
unsigned NumBytes = 24;
if (Args.empty()) {
Chain = DAG.getNode(ISD::ADJCALLSTACKDOWN, MVT::Other, Chain,
Chain = DAG.getNode(ISD::CALLSEQ_START, MVT::Other, Chain,
DAG.getConstant(NumBytes, getPointerTy()));
} else {
for (unsigned i = 0, e = Args.size(); i != e; ++i)
@ -316,7 +316,7 @@ PPC32TargetLowering::LowerCallTo(SDOperand Chain,
// Adjust the stack pointer for the new arguments...
// These operations are automatically eliminated by the prolog/epilog pass
Chain = DAG.getNode(ISD::ADJCALLSTACKDOWN, MVT::Other, Chain,
Chain = DAG.getNode(ISD::CALLSEQ_START, MVT::Other, Chain,
DAG.getConstant(NumBytes, getPointerTy()));
// Set up a copy of the stack pointer for use loading and storing any
@ -447,7 +447,7 @@ PPC32TargetLowering::LowerCallTo(SDOperand Chain,
SDOperand TheCall = SDOperand(DAG.getCall(RetVals,
Chain, Callee, args_to_use), 0);
Chain = TheCall.getValue(RetTyVT != MVT::isVoid);
Chain = DAG.getNode(ISD::ADJCALLSTACKUP, MVT::Other, Chain,
Chain = DAG.getNode(ISD::CALLSEQ_END, MVT::Other, Chain,
DAG.getConstant(NumBytes, getPointerTy()));
return std::make_pair(TheCall, Chain);
}
@ -2382,11 +2382,11 @@ void ISel::Select(SDOperand N) {
for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i)
Select(Node->getOperand(i));
return;
case ISD::ADJCALLSTACKDOWN:
case ISD::ADJCALLSTACKUP:
case ISD::CALLSEQ_START:
case ISD::CALLSEQ_END:
Select(N.getOperand(0));
Tmp1 = cast<ConstantSDNode>(N.getOperand(1))->getValue();
Opc = N.getOpcode() == ISD::ADJCALLSTACKDOWN ? PPC::ADJCALLSTACKDOWN :
Opc = N.getOpcode() == ISD::CALLSEQ_START ? PPC::ADJCALLSTACKDOWN :
PPC::ADJCALLSTACKUP;
BuildMI(BB, Opc, 1).addImm(Tmp1);
return;

18
lib/Target/X86/X86ISelPattern.cpp
View File

@ -257,7 +257,7 @@ X86TargetLowering::LowerCCCCallTo(SDOperand Chain, const Type *RetTy,
if (Args.empty()) {
// Save zero bytes.
Chain = DAG.getNode(ISD::ADJCALLSTACKDOWN, MVT::Other, Chain,
Chain = DAG.getNode(ISD::CALLSEQ_START, MVT::Other, Chain,
DAG.getConstant(0, getPointerTy()));
} else {
for (unsigned i = 0, e = Args.size(); i != e; ++i)
@ -276,7 +276,7 @@ X86TargetLowering::LowerCCCCallTo(SDOperand Chain, const Type *RetTy,
break;
}
Chain = DAG.getNode(ISD::ADJCALLSTACKDOWN, MVT::Other, Chain,
Chain = DAG.getNode(ISD::CALLSEQ_START, MVT::Other, Chain,
DAG.getConstant(NumBytes, getPointerTy()));
// Arguments go on the stack in reverse order, as specified by the ABI.
@ -329,7 +329,7 @@ X86TargetLowering::LowerCCCCallTo(SDOperand Chain, const Type *RetTy,
SDOperand TheCall = SDOperand(DAG.getCall(RetVals, Chain, Callee), 0);
Chain = TheCall.getValue(RetTyVT != MVT::isVoid);
Chain = DAG.getNode(ISD::ADJCALLSTACKUP, MVT::Other, Chain,
Chain = DAG.getNode(ISD::CALLSEQ_END, MVT::Other, Chain,
DAG.getConstant(NumBytes, getPointerTy()));
return std::make_pair(TheCall, Chain);
}
@ -578,7 +578,7 @@ X86TargetLowering::LowerFastCCCallTo(SDOperand Chain, const Type *RetTy,
break;
}
Chain = DAG.getNode(ISD::ADJCALLSTACKDOWN, MVT::Other, Chain,
Chain = DAG.getNode(ISD::CALLSEQ_START, MVT::Other, Chain,
DAG.getConstant(NumBytes, getPointerTy()));
// Arguments go on the stack in reverse order, as specified by the ABI.
@ -655,7 +655,7 @@ X86TargetLowering::LowerFastCCCallTo(SDOperand Chain, const Type *RetTy,
SDOperand TheCall = SDOperand(DAG.getCall(RetVals, Chain, Callee,
RegValuesToPass), 0);
Chain = TheCall.getValue(RetTyVT != MVT::isVoid);
Chain = DAG.getNode(ISD::ADJCALLSTACKUP, MVT::Other, Chain,
Chain = DAG.getNode(ISD::CALLSEQ_END, MVT::Other, Chain,
DAG.getConstant(NumBytes, getPointerTy()));
return std::make_pair(TheCall, Chain);
}
@ -3669,13 +3669,13 @@ void ISel::Select(SDOperand N) {
addFullAddress(BuildMI(BB, Opc, 4+1), AM).addReg(Tmp1);
return;
}
case ISD::ADJCALLSTACKDOWN:
case ISD::ADJCALLSTACKUP:
case ISD::CALLSEQ_START:
case ISD::CALLSEQ_END:
Select(N.getOperand(0));
Tmp1 = cast<ConstantSDNode>(N.getOperand(1))->getValue();
Opc = N.getOpcode() == ISD::ADJCALLSTACKDOWN ? X86::ADJCALLSTACKDOWN :
X86::ADJCALLSTACKUP;
Opc = N.getOpcode() == ISD::CALLSEQ_START ? X86::ADJCALLSTACKDOWN :
X86::ADJCALLSTACKUP;
BuildMI(BB, Opc, 1).addImm(Tmp1);
return;
case ISD::MEMSET: {