#include "llvm/CodeGen/ScheduleDAG.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetMachine.h"
+#include "llvm/Support/Debug.h"
#include "llvm/Support/GraphWriter.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Config/config.h"
#include <fstream>
-#include <sstream>
using namespace llvm;
namespace llvm {
template<>
struct DOTGraphTraits<SelectionDAG*> : public DefaultDOTGraphTraits {
+ static bool hasEdgeDestLabels() {
+ return true;
+ }
+
+ static unsigned numEdgeDestLabels(const void *Node) {
+ return ((const SDNode *) Node)->getNumValues();
+ }
+
+ static std::string getEdgeDestLabel(const void *Node, unsigned i) {
+ return ((const SDNode *) Node)->getValueType(i).getMVTString();
+ }
+
+ /// edgeTargetsEdgeSource - This method returns true if this outgoing edge
+ /// should actually target another edge source, not a node. If this method is
+ /// implemented, getEdgeTarget should be implemented.
+ template<typename EdgeIter>
+ static bool edgeTargetsEdgeSource(const void *Node, EdgeIter I) {
+ return true;
+ }
+
+ /// getEdgeTarget - If edgeTargetsEdgeSource returns true, this method is
+ /// called to determine which outgoing edge of Node is the target of this
+ /// edge.
+ template<typename EdgeIter>
+ static EdgeIter getEdgeTarget(const void *Node, EdgeIter I) {
+ SDNode *TargetNode = *I;
+ SDNodeIterator NI = SDNodeIterator::begin(TargetNode);
+ std::advance(NI, I.getNode()->getOperand(I.getOperand()).getResNo());
+ return NI;
+ }
+
static std::string getGraphName(const SelectionDAG *G) {
return G->getMachineFunction().getFunction()->getName();
}
/// edge, override this method.
template<typename EdgeIter>
static std::string getEdgeAttributes(const void *Node, EdgeIter EI) {
- SDOperand Op = EI.getNode()->getOperand(EI.getOperand());
- MVT::ValueType VT = Op.getValueType();
+ SDValue Op = EI.getNode()->getOperand(EI.getOperand());
+ MVT VT = Op.getValueType();
if (VT == MVT::Flag)
return "color=red,style=bold";
else if (VT == MVT::Other)
static void addCustomGraphFeatures(SelectionDAG *G,
GraphWriter<SelectionDAG*> &GW) {
GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
- if (G->getRoot().Val)
- GW.emitEdge(0, -1, G->getRoot().Val, -1, "");
+ if (G->getRoot().getNode())
+ GW.emitEdge(0, -1, G->getRoot().getNode(), G->getRoot().getResNo(),
+ "color=blue,style=dashed");
}
};
}
const SelectionDAG *G) {
std::string Op = Node->getOperationName(G);
- for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i)
- if (Node->getValueType(i) == MVT::Other)
- Op += ":ch";
- else
- Op = Op + ":" + MVT::getValueTypeString(Node->getValueType(i));
-
if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(Node)) {
- Op += ": " + utostr(CSDN->getValue());
+ Op += ": " + utostr(CSDN->getZExtValue());
} else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(Node)) {
Op += ": " + ftostr(CSDN->getValueAPF());
} else if (const GlobalAddressSDNode *GADN =
dyn_cast<GlobalAddressSDNode>(Node)) {
- int offset = GADN->getOffset();
Op += ": " + GADN->getGlobal()->getName();
- if (offset > 0)
- Op += "+" + itostr(offset);
- else
- Op += itostr(offset);
+ if (int64_t Offset = GADN->getOffset()) {
+ if (Offset > 0)
+ Op += "+" + itostr(Offset);
+ else
+ Op += itostr(Offset);
+ }
} else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(Node)) {
Op += " " + itostr(FIDN->getIndex());
} else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(Node)) {
Op += " " + itostr(JTDN->getIndex());
} else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(Node)){
if (CP->isMachineConstantPoolEntry()) {
- std::ostringstream SS;
- CP->getMachineCPVal()->print(SS);
- Op += "<" + SS.str() + ">";
+ Op += '<';
+ {
+ raw_string_ostream OSS(Op);
+ OSS << *CP->getMachineCPVal();
+ }
+ Op += '>';
} else {
if (ConstantFP *CFP = dyn_cast<ConstantFP>(CP->getConstVal()))
Op += "<" + ftostr(CFP->getValueAPF()) + ">";
else if (ConstantInt *CI = dyn_cast<ConstantInt>(CP->getConstVal()))
Op += "<" + utostr(CI->getZExtValue()) + ">";
else {
- std::ostringstream SS;
- WriteAsOperand(SS, CP->getConstVal(), false);
- Op += "<" + SS.str() + ">";
+ Op += '<';
+ {
+ raw_string_ostream OSS(Op);
+ WriteAsOperand(OSS, CP->getConstVal(), false);
+ }
+ Op += '>';
}
}
+ Op += " A=" + itostr(1 << CP->getAlignment());
} else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(Node)) {
Op = "BB: ";
const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock();
} else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(Node)) {
if (G && R->getReg() != 0 &&
TargetRegisterInfo::isPhysicalRegister(R->getReg())) {
- Op = Op + " " + G->getTarget().getRegisterInfo()->getName(R->getReg());
+ Op = Op + " " +
+ G->getTarget().getRegisterInfo()->getName(R->getReg());
} else {
Op += " #" + utostr(R->getReg());
}
+ } else if (const DbgStopPointSDNode *D = dyn_cast<DbgStopPointSDNode>(Node)) {
+ Op += ": " + D->getCompileUnit()->getFileName();
+ Op += ":" + utostr(D->getLine());
+ if (D->getColumn() != 0)
+ Op += ":" + utostr(D->getColumn());
+ } else if (const LabelSDNode *L = dyn_cast<LabelSDNode>(Node)) {
+ Op += ": LabelID=" + utostr(L->getLabelID());
+ } else if (const CallSDNode *C = dyn_cast<CallSDNode>(Node)) {
+ Op += ": CallingConv=" + utostr(C->getCallingConv());
+ if (C->isVarArg())
+ Op += ", isVarArg";
+ if (C->isTailCall())
+ Op += ", isTailCall";
} else if (const ExternalSymbolSDNode *ES =
dyn_cast<ExternalSymbolSDNode>(Node)) {
Op += "'" + std::string(ES->getSymbol()) + "'";
else
Op += "<null>";
} else if (const MemOperandSDNode *M = dyn_cast<MemOperandSDNode>(Node)) {
- if (M->MO.getValue())
- Op += "<" + M->MO.getValue()->getName() + ":" + itostr(M->MO.getOffset()) + ">";
- else
- Op += "<null:" + itostr(M->MO.getOffset()) + ">";
+ const Value *V = M->MO.getValue();
+ Op += '<';
+ if (!V) {
+ Op += "(unknown)";
+ } else if (isa<PseudoSourceValue>(V)) {
+ // PseudoSourceValues don't have names, so use their print method.
+ {
+ raw_string_ostream OSS(Op);
+ OSS << *M->MO.getValue();
+ }
+ } else {
+ Op += V->getName();
+ }
+ Op += '+' + itostr(M->MO.getOffset()) + '>';
+ } else if (const ARG_FLAGSSDNode *N = dyn_cast<ARG_FLAGSSDNode>(Node)) {
+ Op = Op + " AF=" + N->getArgFlags().getArgFlagsString();
} else if (const VTSDNode *N = dyn_cast<VTSDNode>(Node)) {
- Op = Op + " VT=" + MVT::getValueTypeString(N->getVT());
- } else if (const StringSDNode *N = dyn_cast<StringSDNode>(Node)) {
- Op = Op + "\"" + N->getValue() + "\"";
+ Op = Op + " VT=" + N->getVT().getMVTString();
} else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(Node)) {
bool doExt = true;
switch (LD->getExtensionType()) {
break;
}
if (doExt)
- Op += MVT::getValueTypeString(LD->getMemoryVT()) + ">";
+ Op += LD->getMemoryVT().getMVTString() + ">";
if (LD->isVolatile())
Op += "<V>";
Op += LD->getIndexedModeName(LD->getAddressingMode());
Op += " A=" + utostr(LD->getAlignment());
} else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(Node)) {
if (ST->isTruncatingStore())
- Op += "<trunc " + MVT::getValueTypeString(ST->getMemoryVT()) + ">";
+ Op += "<trunc " + ST->getMemoryVT().getMVTString() + ">";
if (ST->isVolatile())
Op += "<V>";
Op += ST->getIndexedModeName(ST->getAddressingMode());
/// viewGraph - Pop up a ghostview window with the reachable parts of the DAG
/// rendered using 'dot'.
///
-void SelectionDAG::viewGraph() {
+void SelectionDAG::viewGraph(const std::string &Title) {
// This code is only for debugging!
#ifndef NDEBUG
- ViewGraph(this, "dag." + getMachineFunction().getFunction()->getName());
+ ViewGraph(this, "dag." + getMachineFunction().getFunction()->getName(),
+ Title);
#else
cerr << "SelectionDAG::viewGraph is only available in debug builds on "
<< "systems with Graphviz or gv!\n";
#endif // NDEBUG
}
+// This overload is defined out-of-line here instead of just using a
+// default parameter because this is easiest for gdb to call.
+void SelectionDAG::viewGraph() {
+ viewGraph("");
+}
/// clearGraphAttrs - Clear all previously defined node graph attributes.
/// Intended to be used from a debugging tool (eg. gdb).
#endif
}
+/// setSubgraphColorHelper - Implement setSubgraphColor. Return
+/// whether we truncated the search.
+///
+bool SelectionDAG::setSubgraphColorHelper(SDNode *N, const char *Color, DenseSet<SDNode *> &visited,
+ int level, bool &printed) {
+ bool hit_limit = false;
+
+#ifndef NDEBUG
+ if (level >= 20) {
+ if (!printed) {
+ printed = true;
+ DOUT << "setSubgraphColor hit max level\n";
+ }
+ return true;
+ }
+
+ unsigned oldSize = visited.size();
+ visited.insert(N);
+ if (visited.size() != oldSize) {
+ setGraphColor(N, Color);
+ for(SDNodeIterator i = SDNodeIterator::begin(N), iend = SDNodeIterator::end(N);
+ i != iend;
+ ++i) {
+ hit_limit = setSubgraphColorHelper(*i, Color, visited, level+1, printed) || hit_limit;
+ }
+ }
+#else
+ cerr << "SelectionDAG::setSubgraphColor is only available in debug builds"
+ << " on systems with Graphviz or gv!\n";
+#endif
+ return hit_limit;
+}
+
+/// setSubgraphColor - Convenience for setting subgraph color attribute.
+///
+void SelectionDAG::setSubgraphColor(SDNode *N, const char *Color) {
+#ifndef NDEBUG
+ DenseSet<SDNode *> visited;
+ bool printed = false;
+ if (setSubgraphColorHelper(N, Color, visited, 0, printed)) {
+ // Visually mark that we hit the limit
+ if (strcmp(Color, "red") == 0) {
+ setSubgraphColorHelper(N, "blue", visited, 0, printed);
+ }
+ else if (strcmp(Color, "yellow") == 0) {
+ setSubgraphColorHelper(N, "green", visited, 0, printed);
+ }
+ }
+
+#else
+ cerr << "SelectionDAG::setSubgraphColor is only available in debug builds"
+ << " on systems with Graphviz or gv!\n";
+#endif
+}
+
namespace llvm {
template<>
struct DOTGraphTraits<ScheduleDAG*> : public DefaultDOTGraphTraits {
/// edge, override this method.
template<typename EdgeIter>
static std::string getEdgeAttributes(const void *Node, EdgeIter EI) {
+ if (EI.isSpecialDep())
+ return "color=cyan,style=dashed";
if (EI.isCtrlDep())
return "color=blue,style=dashed";
return "";
static void addCustomGraphFeatures(ScheduleDAG *G,
GraphWriter<ScheduleDAG*> &GW) {
GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
- if (G->DAG.getRoot().Val)
- GW.emitEdge(0, -1, G->SUnitMap[G->DAG.getRoot().Val].front(), -1, "");
+ const SDNode *N = G->DAG.getRoot().getNode();
+ if (N && N->getNodeId() != -1)
+ GW.emitEdge(0, -1, &G->SUnits[N->getNodeId()], -1,
+ "color=blue,style=dashed");
}
};
}
&G->DAG) + "\n";
}
- Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->Node, &G->DAG);
+ if (SU->Node)
+ Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->Node, &G->DAG);
+ else
+ Op += "<CROSS RC COPY>";
return Op;
}
void ScheduleDAG::viewGraph() {
// This code is only for debugging!
#ifndef NDEBUG
- ViewGraph(this, "dag." + DAG.getMachineFunction().getFunction()->getName());
+ ViewGraph(this, "dag." + MF->getFunction()->getName(),
+ "Scheduling-Units Graph for " + MF->getFunction()->getName() + ':' +
+ BB->getBasicBlock()->getName());
#else
cerr << "ScheduleDAG::viewGraph is only available in debug builds on "
<< "systems with Graphviz or gv!\n";
projects / oota-llvm.git / blobdiff