[CodeGen] Implement the SUnit::print() method

This method seems to have had a troubled life.  This patch proposes that it
replaces the recently added helper function dumpSUIdentifier.  This way, the
method can be used in other files using the SUnit class.

Differential revision: https://reviews.llvm.org/D28488

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291520 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/ScheduleDAG.cpp b/lib/CodeGen/ScheduleDAG.cpp
index 1f0c3283ceb115a439474e180c382d33eff50c85..427d95268c745ddf84c99ce982a9892c761b4e9e 100644 (file)
--- a/lib/CodeGen/ScheduleDAG.cpp
+++ b/lib/CodeGen/ScheduleDAG.cpp
@@ -310,19 +310,19 @@ void SUnit::biasCriticalPath() {
 }
 
 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
-static void dumpSUIdentifier(const ScheduleDAG &DAG, const SUnit &SU) {
-  if (&SU == &DAG.ExitSU)
-    dbgs() << "ExitSU";
-  else if (&SU == &DAG.EntrySU)
-    dbgs() << "EntrySU";
+void SUnit::print(raw_ostream &OS, const ScheduleDAG *DAG) const {
+  if (this == &DAG->ExitSU)
+    OS << "ExitSU";
+  else if (this == &DAG->EntrySU)
+    OS << "EntrySU";
   else
-    dbgs() << "SU(" << SU.NodeNum << ")";
+    OS << "SU(" << NodeNum << ")";
 }
 
 /// 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 {
-  dumpSUIdentifier(*G, *this);
+  print(dbgs(), G);
   dbgs() << ": ";
   G->dumpNode(this);
 }
@@ -352,7 +352,7 @@ void SUnit::dumpAll(const ScheduleDAG *G) const {
       case SDep::Output: dbgs() << "out  "; break;
       case SDep::Order:  dbgs() << "ord  "; break;
       }
-      dumpSUIdentifier(*G, *I->getSUnit());
+      I->getSUnit()->print(dbgs(), G);
       if (I->isArtificial())
         dbgs() << " *";
       dbgs() << ": Latency=" << I->getLatency();
@@ -372,7 +372,7 @@ void SUnit::dumpAll(const ScheduleDAG *G) const {
       case SDep::Output: dbgs() << "out  "; break;
       case SDep::Order:  dbgs() << "ord  "; break;
       }
-      dumpSUIdentifier(*G, *I->getSUnit());
+      I->getSUnit()->print(dbgs(), G);
       if (I->isArtificial())
         dbgs() << " *";
       dbgs() << ": Latency=" << I->getLatency();