//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/Function.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/CodeGen/SelectionDAG.h"
+#include "llvm/CodeGen/ScheduleDAG.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/Target/MRegisterInfo.h"
const SelectionDAG *Graph) {
return true;
}
+
+ /// If you want to override the dot attributes printed for a particular
+ /// 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();
+ if (VT == MVT::Flag)
+ return "color=red,style=bold";
+ else if (VT == MVT::Other)
+ return "color=blue,style=dashed";
+ return "";
+ }
+
static std::string getNodeLabel(const SDNode *Node,
const SelectionDAG *Graph);
static void addCustomGraphFeatures(SelectionDAG *G,
GraphWriter<SelectionDAG*> &GW) {
GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
- GW.emitEdge(0, -1, G->getRoot().Val, -1, "");
+ if (G->getRoot().Val)
+ GW.emitEdge(0, -1, G->getRoot().Val, -1, "");
}
};
}
if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(Node)) {
Op += ": " + utostr(CSDN->getValue());
} else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(Node)) {
- Op += ": " + ftostr(CSDN->getValue());
+ Op += ": " + ftostr(CSDN->getValueAPF());
} else if (const GlobalAddressSDNode *GADN =
dyn_cast<GlobalAddressSDNode>(Node)) {
int offset = GADN->getOffset();
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;
Op += "<" + SS.str() + ">";
} else {
if (ConstantFP *CFP = dyn_cast<ConstantFP>(CP->getConstVal()))
- Op += "<" + ftostr(CFP->getValue()) + ">";
+ Op += "<" + ftostr(CFP->getValueAPF()) + ">";
else if (ConstantInt *CI = dyn_cast<ConstantInt>(CP->getConstVal()))
Op += "<" + utostr(CI->getZExtValue()) + ">";
else {
Op += LBB->getName();
//Op += " " + (const void*)BBDN->getBasicBlock();
} else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(Node)) {
- if (G && R->getReg() != 0 && MRegisterInfo::isPhysicalRegister(R->getReg())) {
+ if (G && R->getReg() != 0 &&
+ MRegisterInfo::isPhysicalRegister(R->getReg())) {
Op = Op + " " + G->getTarget().getRegisterInfo()->getName(R->getReg());
} else {
Op += " #" + utostr(R->getReg());
else
Op += "<null:" + itostr(M->getOffset()) + ">";
} else if (const VTSDNode *N = dyn_cast<VTSDNode>(Node)) {
- Op = Op + " VT=" + getValueTypeString(N->getVT());
+ Op = Op + " VT=" + MVT::getValueTypeString(N->getVT());
} else if (const StringSDNode *N = dyn_cast<StringSDNode>(Node)) {
Op = Op + "\"" + N->getValue() + "\"";
+ } else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(Node)) {
+ bool doExt = true;
+ switch (LD->getExtensionType()) {
+ default: doExt = false; break;
+ case ISD::EXTLOAD:
+ Op = Op + "<anyext ";
+ break;
+ case ISD::SEXTLOAD:
+ Op = Op + " <sext ";
+ break;
+ case ISD::ZEXTLOAD:
+ Op = Op + " <zext ";
+ break;
+ }
+ if (doExt)
+ Op = Op + MVT::getValueTypeString(LD->getLoadedVT()) + ">";
+
+ Op += LD->getIndexedModeName(LD->getAddressingMode());
+ } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(Node)) {
+ if (ST->isTruncatingStore())
+ Op = Op + "<trunc " + MVT::getValueTypeString(ST->getStoredVT()) + ">";
+ Op += ST->getIndexedModeName(ST->getAddressingMode());
}
+
+#if 0
+ Op += " Id=" + itostr(Node->getNodeId());
+#endif
return Op;
}
#ifndef NDEBUG
ViewGraph(this, "dag." + getMachineFunction().getFunction()->getName());
#else
- std::cerr << "SelectionDAG::viewGraph is only available in debug builds on "
- << "systems with Graphviz or gv!\n";
+ cerr << "SelectionDAG::viewGraph is only available in debug builds on "
+ << "systems with Graphviz or gv!\n";
#endif // NDEBUG
}
#ifndef NDEBUG
NodeGraphAttrs.clear();
#else
- std::cerr << "SelectionDAG::clearGraphAttrs is only available in debug builds"
- << " on systems with Graphviz or gv!\n";
+ cerr << "SelectionDAG::clearGraphAttrs is only available in debug builds"
+ << " on systems with Graphviz or gv!\n";
#endif
}
#ifndef NDEBUG
NodeGraphAttrs[N] = Attrs;
#else
- std::cerr << "SelectionDAG::setGraphAttrs is only available in debug builds"
- << " on systems with Graphviz or gv!\n";
+ cerr << "SelectionDAG::setGraphAttrs is only available in debug builds"
+ << " on systems with Graphviz or gv!\n";
#endif
}
else
return "";
#else
- std::cerr << "SelectionDAG::getGraphAttrs is only available in debug builds"
- << " on systems with Graphviz or gv!\n";
+ cerr << "SelectionDAG::getGraphAttrs is only available in debug builds"
+ << " on systems with Graphviz or gv!\n";
return std::string("");
#endif
}
#ifndef NDEBUG
NodeGraphAttrs[N] = std::string("color=") + Color;
#else
- std::cerr << "SelectionDAG::setGraphColor is only available in debug builds"
- << " on systems with Graphviz or gv!\n";
+ cerr << "SelectionDAG::setGraphColor is only available in debug builds"
+ << " on systems with Graphviz or gv!\n";
#endif
}
+namespace llvm {
+ template<>
+ struct DOTGraphTraits<ScheduleDAG*> : public DefaultDOTGraphTraits {
+ static std::string getGraphName(const ScheduleDAG *G) {
+ return DOTGraphTraits<SelectionDAG*>::getGraphName(&G->DAG);
+ }
+
+ static bool renderGraphFromBottomUp() {
+ return true;
+ }
+
+ static bool hasNodeAddressLabel(const SUnit *Node,
+ const ScheduleDAG *Graph) {
+ return true;
+ }
+
+ /// If you want to override the dot attributes printed for a particular
+ /// edge, override this method.
+ template<typename EdgeIter>
+ static std::string getEdgeAttributes(const void *Node, EdgeIter EI) {
+ if (EI.isCtrlDep())
+ return "color=blue,style=dashed";
+ return "";
+ }
+
+
+ static std::string getNodeLabel(const SUnit *Node,
+ const ScheduleDAG *Graph);
+ static std::string getNodeAttributes(const SUnit *N,
+ const ScheduleDAG *Graph) {
+ return "shape=Mrecord";
+ }
+
+ 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, "");
+ }
+ };
+}
+
+std::string DOTGraphTraits<ScheduleDAG*>::getNodeLabel(const SUnit *SU,
+ const ScheduleDAG *G) {
+ std::string Op;
+
+ for (unsigned i = 0; i < SU->FlaggedNodes.size(); ++i) {
+ Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->FlaggedNodes[i],
+ &G->DAG) + "\n";
+ }
+
+ Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->Node, &G->DAG);
+
+ return Op;
+}
+
+
+/// viewGraph - Pop up a ghostview window with the reachable parts of the DAG
+/// rendered using 'dot'.
+///
+void ScheduleDAG::viewGraph() {
+// This code is only for debugging!
+#ifndef NDEBUG
+ ViewGraph(this, "dag." + DAG.getMachineFunction().getFunction()->getName());
+#else
+ cerr << "ScheduleDAG::viewGraph is only available in debug builds on "
+ << "systems with Graphviz or gv!\n";
+#endif // NDEBUG
+}