[llvm] [MISched][NFC] Remove unused heuristic NextDefUse from enum (PR #125879)

[via llvm-commits]

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git-clang-format --diff f07cd36a5d0e038df77a779f388b1af144915034 30e532229ef21ab0889fb752273ad35edcce4298 --extensions h,cpp -- llvm/include/llvm/CodeGen/MachineScheduler.h llvm/lib/CodeGen/MachineScheduler.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/include/llvm/CodeGen/MachineScheduler.h b/llvm/include/llvm/CodeGen/MachineScheduler.h
index 1a3640f27c..5b001cc4da 100644
--- a/llvm/include/llvm/CodeGen/MachineScheduler.h
+++ b/llvm/include/llvm/CodeGen/MachineScheduler.h
@@ -1078,9 +1078,23 @@ public:
   /// Represent the type of SchedCandidate found within a single queue.
   /// pickNodeBidirectional depends on these listed by decreasing priority.
   enum CandReason : uint8_t {
-    NoCand, Only1, PhysReg, RegExcess, RegCritical, Stall, Cluster, Weak,
-    RegMax, ResourceReduce, ResourceDemand, BotHeightReduce, BotPathReduce,
-    TopDepthReduce, TopPathReduce, NodeOrder};
+    NoCand,
+    Only1,
+    PhysReg,
+    RegExcess,
+    RegCritical,
+    Stall,
+    Cluster,
+    Weak,
+    RegMax,
+    ResourceReduce,
+    ResourceDemand,
+    BotHeightReduce,
+    BotPathReduce,
+    TopDepthReduce,
+    TopPathReduce,
+    NodeOrder
+  };
 
 #ifndef NDEBUG
   static const char *getReasonStr(GenericSchedulerBase::CandReason Reason);
diff --git a/llvm/lib/CodeGen/MachineScheduler.cpp b/llvm/lib/CodeGen/MachineScheduler.cpp
index 42dc2f148f..79031caa03 100644
--- a/llvm/lib/CodeGen/MachineScheduler.cpp
+++ b/llvm/lib/CodeGen/MachineScheduler.cpp
@@ -3235,7 +3235,8 @@ const char *GenericSchedulerBase::getReasonStr(
   case TopDepthReduce: return "TOP-DEPTH ";
   case TopPathReduce:  return "TOP-PATH  ";
   case BotHeightReduce:return "BOT-HEIGHT";
-  case BotPathReduce:  return "BOT-PATH  ";
+  case BotPathReduce:
+    return "BOT-PATH  ";
   case NodeOrder:      return "ORDER     ";
   };
   llvm_unreachable("Unknown reason!");

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https://github.com/llvm/llvm-project/pull/125879