Cleanup dump() functions.

We had various variants of defining dump() functions in LLVM. Normalize
them (this should just consistently implement the things discussed in
http://lists.llvm.org/pipermail/cfe-dev/2014-January/034323.html

For reference:
- Public headers should just declare the dump() method but not use
  LLVM_DUMP_METHOD or #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
- The definition of a dump method should look like this:
  #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
  LLVM_DUMP_METHOD void MyClass::dump() {
    // print stuff to dbgs()...
  }
  #endif

llvm-svn: 293359
diff --git a/llvm/lib/CodeGen/ScheduleDAG.cpp b/llvm/lib/CodeGen/ScheduleDAG.cpp
index 427d952..5c17746 100644
--- a/llvm/lib/CodeGen/ScheduleDAG.cpp
+++ b/llvm/lib/CodeGen/ScheduleDAG.cpp
@@ -310,6 +310,7 @@
 }
 
 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
+LLVM_DUMP_METHOD
 void SUnit::print(raw_ostream &OS, const ScheduleDAG *DAG) const {
   if (this == &DAG->ExitSU)
     OS << "ExitSU";
@@ -321,13 +322,13 @@
 
 /// SUnit - Scheduling unit. It's an wrapper around either a single SDNode or
 /// a group of nodes flagged together.
-void SUnit::dump(const ScheduleDAG *G) const {
+LLVM_DUMP_METHOD void SUnit::dump(const ScheduleDAG *G) const {
   print(dbgs(), G);
   dbgs() << ": ";
   G->dumpNode(this);
 }
 
-void SUnit::dumpAll(const ScheduleDAG *G) const {
+LLVM_DUMP_METHOD void SUnit::dumpAll(const ScheduleDAG *G) const {
   dump(G);
 
   dbgs() << "  # preds left       : " << NumPredsLeft << "\n";