From e27feadae0885aa074df58ebfda2e7a7f7a7d590 Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Mon, 24 Nov 2014 09:08:18 +0000
Subject: Vendor import of llvm RELEASE_350/final tag r216957 (effectively,
 3.5.0 release):
 https://llvm.org/svn/llvm-project/llvm/tags/RELEASE_350/final@216957

---
 lib/CodeGen/SelectionDAG/ScheduleDAGVLIW.cpp | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

(limited to 'lib/CodeGen/SelectionDAG/ScheduleDAGVLIW.cpp')

diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGVLIW.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGVLIW.cpp
index 58aa1fe..4589b0c 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGVLIW.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGVLIW.cpp
@@ -18,7 +18,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "pre-RA-sched"
 #include "llvm/CodeGen/SchedulerRegistry.h"
 #include "ScheduleDAGSDNodes.h"
 #include "llvm/ADT/Statistic.h"
@@ -35,6 +34,8 @@
 #include <climits>
 using namespace llvm;
 
+#define DEBUG_TYPE "pre-RA-sched"
+
 STATISTIC(NumNoops , "Number of noops inserted");
 STATISTIC(NumStalls, "Number of pipeline stalls");
 
@@ -72,7 +73,8 @@ public:
     : ScheduleDAGSDNodes(mf), AvailableQueue(availqueue), AA(aa) {
 
     const TargetMachine &tm = mf.getTarget();
-    HazardRec = tm.getInstrInfo()->CreateTargetHazardRecognizer(&tm, this);
+    HazardRec = tm.getInstrInfo()->CreateTargetHazardRecognizer(
+        tm.getSubtargetImpl(), this);
   }
 
   ~ScheduleDAGVLIW() {
@@ -80,7 +82,7 @@ public:
     delete AvailableQueue;
   }
 
-  void Schedule();
+  void Schedule() override;
 
 private:
   void releaseSucc(SUnit *SU, const SDep &D);
@@ -120,7 +122,7 @@ void ScheduleDAGVLIW::releaseSucc(SUnit *SU, const SDep &D) {
     dbgs() << "*** Scheduling failed! ***\n";
     SuccSU->dump(this);
     dbgs() << " has been released too many times!\n";
-    llvm_unreachable(0);
+    llvm_unreachable(nullptr);
   }
 #endif
   assert(!D.isWeak() && "unexpected artificial DAG edge");
@@ -204,12 +206,12 @@ void ScheduleDAGVLIW::listScheduleTopDown() {
     // don't advance the hazard recognizer.
     if (AvailableQueue->empty()) {
       // Reset DFA state.
-      AvailableQueue->scheduledNode(0);
+      AvailableQueue->scheduledNode(nullptr);
       ++CurCycle;
       continue;
     }
 
-    SUnit *FoundSUnit = 0;
+    SUnit *FoundSUnit = nullptr;
 
     bool HasNoopHazards = false;
     while (!AvailableQueue->empty()) {
@@ -256,7 +258,7 @@ void ScheduleDAGVLIW::listScheduleTopDown() {
       // processors without pipeline interlocks and other cases.
       DEBUG(dbgs() << "*** Emitting noop\n");
       HazardRec->EmitNoop();
-      Sequence.push_back(0);   // NULL here means noop
+      Sequence.push_back(nullptr);   // NULL here means noop
       ++NumNoops;
       ++CurCycle;
     }
-- 
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