Provide a common half-open interval map info implementation, and just

re-use that for SlotIndexes. This way other users who want half-open
semantics can share the implementation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171158 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 11 deletions

diff --git a/include/llvm/CodeGen/SlotIndexes.h b/include/llvm/CodeGen/SlotIndexes.h
index 4d66793e80..b46d153867 100644
--- a/include/llvm/CodeGen/SlotIndexes.h
+++ b/include/llvm/CodeGen/SlotIndexes.h
@@ -20,6 +20,7 @@
 #define LLVM_CODEGEN_SLOTINDEXES_H
 
 #include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/IntervalMap.h"
 #include "llvm/ADT/PointerIntPair.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/ilist.h"
@@ -631,17 +632,8 @@ namespace llvm {
 
 
   // Specialize IntervalMapInfo for half-open slot index intervals.
-  template <typename> struct IntervalMapInfo;
-  template <> struct IntervalMapInfo<SlotIndex> {
-    static inline bool startLess(const SlotIndex &x, const SlotIndex &a) {
-      return x < a;
-    }
-    static inline bool stopLess(const SlotIndex &b, const SlotIndex &x) {
-      return b <= x;
-    }
-    static inline bool adjacent(const SlotIndex &a, const SlotIndex &b) {
-      return a == b;
-    }
+  template <>
+  struct IntervalMapInfo<SlotIndex> : IntervalMapHalfOpenInfo<SlotIndex> {
   };
 
 }