LCOV - code coverage report
Current view: top level - lib/CodeGen - ScheduleDAGPrinter.cpp (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 0 9 0.0 %
Date: 2017-09-14 15:23:50 Functions: 0 3 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===-- ScheduleDAGPrinter.cpp - Implement ScheduleDAG::viewGraph() -------===//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : //
      10             : // This implements the ScheduleDAG::viewGraph method.
      11             : //
      12             : //===----------------------------------------------------------------------===//
      13             : 
      14             : #include "llvm/ADT/StringExtras.h"
      15             : #include "llvm/CodeGen/MachineConstantPool.h"
      16             : #include "llvm/CodeGen/MachineFunction.h"
      17             : #include "llvm/CodeGen/MachineModuleInfo.h"
      18             : #include "llvm/CodeGen/ScheduleDAG.h"
      19             : #include "llvm/IR/Constants.h"
      20             : #include "llvm/Support/Debug.h"
      21             : #include "llvm/Support/GraphWriter.h"
      22             : #include "llvm/Support/raw_ostream.h"
      23             : #include "llvm/Target/TargetRegisterInfo.h"
      24             : #include <fstream>
      25             : using namespace llvm;
      26             : 
      27             : namespace llvm {
      28             :   template<>
      29             :   struct DOTGraphTraits<ScheduleDAG*> : public DefaultDOTGraphTraits {
      30             : 
      31             :   DOTGraphTraits (bool isSimple=false) : DefaultDOTGraphTraits(isSimple) {}
      32             : 
      33             :     static std::string getGraphName(const ScheduleDAG *G) {
      34             :       return G->MF.getName();
      35             :     }
      36             : 
      37             :     static bool renderGraphFromBottomUp() {
      38             :       return true;
      39             :     }
      40             : 
      41             :     static bool isNodeHidden(const SUnit *Node) {
      42             :       return (Node->NumPreds > 10 || Node->NumSuccs > 10);
      43             :     }
      44             : 
      45             :     static std::string getNodeIdentifierLabel(const SUnit *Node,
      46             :                                               const ScheduleDAG *Graph) {
      47             :       std::string R;
      48             :       raw_string_ostream OS(R);
      49             :       OS << static_cast<const void *>(Node);
      50             :       return R;
      51             :     }
      52             : 
      53             :     /// If you want to override the dot attributes printed for a particular
      54             :     /// edge, override this method.
      55             :     static std::string getEdgeAttributes(const SUnit *Node,
      56             :                                          SUnitIterator EI,
      57             :                                          const ScheduleDAG *Graph) {
      58             :       if (EI.isArtificialDep())
      59             :         return "color=cyan,style=dashed";
      60             :       if (EI.isCtrlDep())
      61             :         return "color=blue,style=dashed";
      62             :       return "";
      63             :     }
      64             : 
      65             : 
      66             :     std::string getNodeLabel(const SUnit *Node, const ScheduleDAG *Graph);
      67             :     static std::string getNodeAttributes(const SUnit *N,
      68             :                                          const ScheduleDAG *Graph) {
      69             :       return "shape=Mrecord";
      70             :     }
      71             : 
      72             :     static void addCustomGraphFeatures(ScheduleDAG *G,
      73             :                                        GraphWriter<ScheduleDAG*> &GW) {
      74             :       return G->addCustomGraphFeatures(GW);
      75             :     }
      76             :   };
      77             : }
      78             : 
      79           0 : std::string DOTGraphTraits<ScheduleDAG*>::getNodeLabel(const SUnit *SU,
      80             :                                                        const ScheduleDAG *G) {
      81           0 :   return G->getGraphNodeLabel(SU);
      82             : }
      83             : 
      84             : /// viewGraph - Pop up a ghostview window with the reachable parts of the DAG
      85             : /// rendered using 'dot'.
      86             : ///
      87           0 : void ScheduleDAG::viewGraph(const Twine &Name, const Twine &Title) {
      88             :   // This code is only for debugging!
      89             : #ifndef NDEBUG
      90             :   ViewGraph(this, Name, false, Title);
      91             : #else
      92           0 :   errs() << "ScheduleDAG::viewGraph is only available in debug builds on "
      93           0 :          << "systems with Graphviz or gv!\n";
      94             : #endif  // NDEBUG
      95           0 : }
      96             : 
      97             : /// Out-of-line implementation with no arguments is handy for gdb.
      98           0 : void ScheduleDAG::viewGraph() {
      99           0 :   viewGraph(getDAGName(), "Scheduling-Units Graph for " + getDAGName());
     100           0 : }

Generated by: LCOV version 1.13