From b141a6699285a015e37e6f9eacf4bb0c2d57dd89 Mon Sep 17 00:00:00 2001
From: Philip Reames <listmail@philipreames.com>
Date: Thu, 24 Oct 2019 16:34:39 -0700
Subject: [PATCH] [SCEV] Delete unused code from header

---
 include/llvm/Analysis/ScalarEvolution.h | 29 -------------------------
 1 file changed, 29 deletions(-)

diff --git a/include/llvm/Analysis/ScalarEvolution.h b/include/llvm/Analysis/ScalarEvolution.h
index 9c55f7a5090..8641c307d34 100644
--- a/include/llvm/Analysis/ScalarEvolution.h
+++ b/include/llvm/Analysis/ScalarEvolution.h
@@ -435,35 +435,6 @@ public:
   }
 };
 
-struct ExitLimitQuery {
-  ExitLimitQuery(const Loop *L, BasicBlock *ExitingBlock, bool AllowPredicates)
-      : L(L), ExitingBlock(ExitingBlock), AllowPredicates(AllowPredicates) {}
-
-  const Loop *L;
-  BasicBlock *ExitingBlock;
-  bool AllowPredicates;
-};
-
-template <> struct DenseMapInfo<ExitLimitQuery> {
-  static inline ExitLimitQuery getEmptyKey() {
-    return ExitLimitQuery(nullptr, nullptr, true);
-  }
-
-  static inline ExitLimitQuery getTombstoneKey() {
-    return ExitLimitQuery(nullptr, nullptr, false);
-  }
-
-  static unsigned getHashValue(ExitLimitQuery Val) {
-    return hash_combine(hash_combine(Val.L, Val.ExitingBlock),
-                        Val.AllowPredicates);
-  }
-
-  static bool isEqual(ExitLimitQuery LHS, ExitLimitQuery RHS) {
-    return LHS.L == RHS.L && LHS.ExitingBlock == RHS.ExitingBlock &&
-           LHS.AllowPredicates == RHS.AllowPredicates;
-  }
-};
-
 /// The main scalar evolution driver. Because client code (intentionally)
 /// can't do much with the SCEV objects directly, they must ask this class
 /// for services.