Remove isPod() from DenseMapInfo, splitting it out to its own

isPodLike type trait.  This is a generally useful type trait for
more than just DenseMap, and we really care about whether something
acts like a pod, not whether it really is a pod.

llvm-svn: 91421

4 files changed, 9 insertions, 4 deletions

diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp
index dcc9dd4f49c..222792bc75c 100644
--- a/llvm/lib/Transforms/Scalar/GVN.cpp
+++ b/llvm/lib/Transforms/Scalar/GVN.cpp
@@ -190,8 +190,11 @@ template <> struct DenseMapInfo<Expression> {
   static bool isEqual(const Expression &LHS, const Expression &RHS) {
     return LHS == RHS;
   }
-  static bool isPod() { return true; }
 };
+  
+template <>
+struct isPodLike<Expression> { static const bool value = true; };
+
 }
 
 //===----------------------------------------------------------------------===//
diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
index 2b4b66b5001..b9c536fe1e5 100644
--- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -11200,8 +11200,9 @@ namespace llvm {
       return LHS.PN == RHS.PN && LHS.Shift == RHS.Shift &&
              LHS.Width == RHS.Width;
     }
-    static bool isPod() { return true; }
   };
+  template <>
+  struct isPodLike<LoweredPHIRecord> { static const bool value = true; };
 }
 
 
diff --git a/llvm/lib/Transforms/Scalar/SCCVN.cpp b/llvm/lib/Transforms/Scalar/SCCVN.cpp
index db87874107a..dbc82e13017 100644
--- a/llvm/lib/Transforms/Scalar/SCCVN.cpp
+++ b/llvm/lib/Transforms/Scalar/SCCVN.cpp
@@ -154,8 +154,10 @@ template <> struct DenseMapInfo<Expression> {
   static bool isEqual(const Expression &LHS, const Expression &RHS) {
     return LHS == RHS;
   }
-  static bool isPod() { return true; }
 };
+template <>
+struct isPodLike<Expression> { static const bool value = true; };
+
 }
 
 //===----------------------------------------------------------------------===//
diff --git a/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
index 438ac43bcba..846e432a7df 100644
--- a/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
+++ b/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
@@ -55,7 +55,6 @@ struct DenseMapInfo<std::pair<BasicBlock*, unsigned> > {
   static bool isEqual(const EltTy &LHS, const EltTy &RHS) {
     return LHS == RHS;
   }
-  static bool isPod() { return true; }
 };
 }