#include "llvm/Function.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/CodeGen/SelectionDAG.h"
-#include "llvm/CodeGen/ScheduleDAG.h"
+#include "llvm/CodeGen/ScheduleDAGSDNodes.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>
static EdgeIter getEdgeTarget(const void *Node, EdgeIter I) {
SDNode *TargetNode = *I;
SDNodeIterator NI = SDNodeIterator::begin(TargetNode);
- std::advance(NI, I.getNode()->getOperand(I.getOperand()).ResNo);
+ std::advance(NI, I.getNode()->getOperand(I.getOperand()).getResNo());
return NI;
}
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, G->getRoot().ResNo,
+ if (G->getRoot().getNode())
+ GW.emitEdge(0, -1, G->getRoot().getNode(), G->getRoot().getResNo(),
"color=blue,style=dashed");
}
};
std::string Op = Node->getOperationName(G);
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 += '>';
}
}
+ 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();
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()) + "'";
Op += '<';
if (!V) {
Op += "(unknown)";
- } else if (
isa<PseudoSourceValue>(V)) {
+ } else if (
const PseudoSourceValue *PSV = dyn_cast<PseudoSourceValue>(V)) {
// PseudoSourceValues don't have names, so use their print method.
- {
- raw_string_ostream OSS(Op);
- OSS << *M->MO.getValue();
- }
+ raw_string_ostream OSS(Op);
+ PSV->print(OSS);
} else {
Op += V->getName();
}
#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.isSpecialDep())
- return "color=cyan,style=dashed";
- if (EI.isCtrlDep())
- return "color=blue,style=dashed";
- return "";
- }
-
+/// 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;
- static std::string getNodeLabel(const SUnit *Node,
- const ScheduleDAG *Graph);
- static std::string getNodeAttributes(const SUnit *N,
- const ScheduleDAG *Graph) {
- return "shape=Mrecord";
+#ifndef NDEBUG
+ if (level >= 20) {
+ if (!printed) {
+ printed = true;
+ DOUT << "setSubgraphColor hit max level\n";
}
+ return true;
+ }
- static void addCustomGraphFeatures(ScheduleDAG *G,
- GraphWriter<ScheduleDAG*> &GW) {
- GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
- const SDNode *N = G->DAG.getRoot().Val;
- if (N && N->getNodeId() != -1)
- GW.emitEdge(0, -1, &G->SUnits[N->getNodeId()], -1,
- "color=blue,style=dashed");
+ 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;
}
-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";
+/// 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);
+ }
}
- if (SU->Node)
- Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->Node, &G->DAG);
- else
- Op += "<CROSS RC COPY>";
-
- return Op;
+#else
+ cerr << "SelectionDAG::setSubgraphColor is only available in debug builds"
+ << " on systems with Graphviz or gv!\n";
+#endif
}
+std::string ScheduleDAGSDNodes::getGraphNodeLabel(const SUnit *SU) const {
+ std::string s;
+ raw_string_ostream O(s);
+ O << "SU(" << SU->NodeNum << "): ";
+ if (SU->getNode()) {
+ SmallVector<SDNode *, 4> FlaggedNodes;
+ for (SDNode *N = SU->getNode(); N; N = N->getFlaggedNode())
+ FlaggedNodes.push_back(N);
+ while (!FlaggedNodes.empty()) {
+ O << DOTGraphTraits<SelectionDAG*>::getNodeLabel(FlaggedNodes.back(), DAG);
+ FlaggedNodes.pop_back();
+ if (!FlaggedNodes.empty())
+ O << "\n ";
+ }
+ } else {
+ O << "CROSS RC COPY";
+ }
+ return O.str();
+}
-/// 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." + 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";
-#endif // NDEBUG
+void ScheduleDAGSDNodes::getCustomGraphFeatures(GraphWriter<ScheduleDAG*> &GW) const {
+ if (DAG) {
+ // Draw a special "GraphRoot" node to indicate the root of the graph.
+ GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
+ const SDNode *N = DAG->getRoot().getNode();
+ if (N && N->getNodeId() != -1)
+ GW.emitEdge(0, -1, &SUnits[N->getNodeId()], -1,
+ "color=blue,style=dashed");
+ }
}
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