remove the InvalidateStructLayoutInfo API, which is dead and unnecessary now

that type refinement is toast.

llvm-svn: 135245

1 files changed, 0 insertions, 19 deletions

diff --git a/llvm/lib/Target/TargetData.cpp b/llvm/lib/Target/TargetData.cpp
index b2c4b21f680..17d022a339e 100644
--- a/llvm/lib/Target/TargetData.cpp
+++ b/llvm/lib/Target/TargetData.cpp
@@ -329,15 +329,6 @@ public:
     }
   }
 
-  void InvalidateEntry(const StructType *Ty) {
-    LayoutInfoTy::iterator I = LayoutInfo.find(Ty);
-    if (I == LayoutInfo.end()) return;
-    
-    I->second->~StructLayout();
-    free(I->second);
-    LayoutInfo.erase(I);
-  }
-
   StructLayout *&operator[](const StructType *STy) {
     return LayoutInfo[STy];
   }
@@ -375,16 +366,6 @@ const StructLayout *TargetData::getStructLayout(const StructType *Ty) const {
   return L;
 }
 
-/// InvalidateStructLayoutInfo - TargetData speculatively caches StructLayout
-/// objects.  If a TargetData object is alive when types are being refined and
-/// removed, this method must be called whenever a StructType is removed to
-/// avoid a dangling pointer in this cache.
-void TargetData::InvalidateStructLayoutInfo(const StructType *Ty) const {
-  if (!LayoutMap) return;  // No cache.
-
-  static_cast<StructLayoutMap*>(LayoutMap)->InvalidateEntry(Ty);
-}
-
 std::string TargetData::getStringRepresentation() const {
   std::string Result;
   raw_string_ostream OS(Result);