use assertions instead of unreachable for logic errors.

[oota-llvm.git] / lib / CodeGen / ScheduleDAGPrinter.cpp

diff --git a/lib/CodeGen/ScheduleDAGPrinter.cpp b/lib/CodeGen/ScheduleDAGPrinter.cpp
index 2f0e662c6bd41215bbbbcbf15feac31fd78f8aa8..027f6150e26b60e944719b542231070bbde987a9 100644 (file)
--- a/lib/CodeGen/ScheduleDAGPrinter.cpp
+++ b/lib/CodeGen/ScheduleDAGPrinter.cpp
@@ -18,7 +18,6 @@
 #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"
@@ -33,8 +32,11 @@ using namespace llvm;
 namespace llvm {
   template<>
   struct DOTGraphTraits<ScheduleDAG*> : public DefaultDOTGraphTraits {
+
+  DOTGraphTraits (bool isSimple=false) : DefaultDOTGraphTraits(isSimple) {}
+
     static std::string getGraphName(const ScheduleDAG *G) {
-      return G->MF->getFunction()->getName();
+      return G->MF.getFunction()->getName();
     }
 
     static bool renderGraphFromBottomUp() {
@@ -48,8 +50,8 @@ namespace llvm {
     
     /// 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) {
+    static std::string getEdgeAttributes(const SUnit *Node,
+                                         SUnitIterator EI) {
       if (EI.isArtificialDep())
         return "color=cyan,style=dashed";
       if (EI.isCtrlDep())
@@ -58,8 +60,7 @@ namespace llvm {
     }
     
 
-    static std::string getNodeLabel(const SUnit *Node,
-                                    const ScheduleDAG *Graph);
+    std::string getNodeLabel(const SUnit *Node, const ScheduleDAG *Graph);
     static std::string getNodeAttributes(const SUnit *N,
                                          const ScheduleDAG *Graph) {
       return "shape=Mrecord";
@@ -83,11 +84,15 @@ std::string DOTGraphTraits<ScheduleDAG*>::getNodeLabel(const SUnit *SU,
 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());
+  if (BB->getBasicBlock())
+    ViewGraph(this, "dag." + MF.getFunction()->getNameStr(), false,
+              "Scheduling-Units Graph for " + MF.getFunction()->getNameStr() + 
+              ":" + BB->getBasicBlock()->getNameStr());
+  else
+    ViewGraph(this, "dag." + MF.getFunction()->getNameStr(), false,
+              "Scheduling-Units Graph for " + MF.getFunction()->getNameStr());
 #else
-  cerr << "ScheduleDAG::viewGraph is only available in debug builds on "
-       << "systems with Graphviz or gv!\n";
+  errs() << "ScheduleDAG::viewGraph is only available in debug builds on "
+         << "systems with Graphviz or gv!\n";
 #endif  // NDEBUG
 }