allocate and dellocate objc decl list through AST Context instead of

with new/delete.  With disable-free, this reduces the number of 4/8 byte
mallocs from 4793/1541 to 865/456 and also drops other sizes as well.

This is a very small perf win, nothing major.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65171 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 2 deletions

diff --git a/lib/AST/DeclObjC.cpp b/lib/AST/DeclObjC.cpp
index 4e22ebea16..461bb9697f 100644
--- a/lib/AST/DeclObjC.cpp
+++ b/lib/AST/DeclObjC.cpp
@@ -21,7 +21,7 @@ using namespace clang;
 //===----------------------------------------------------------------------===//
 
 void ObjCListBase::Destroy(ASTContext &Ctx) {
-  delete[] List;
+  Ctx.Deallocate(List);
   NumElts = 0;
   List = 0;
 }
@@ -30,7 +30,8 @@ void ObjCListBase::set(void *const* InList, unsigned Elts, ASTContext &Ctx) {
   assert(List == 0 && "Elements already set!");
   if (Elts == 0) return;  // Setting to an empty list is a noop.
   
-  List = new void*[Elts];
+  
+  List = new (Ctx) void*[Elts];
   NumElts = Elts;
   memcpy(List, InList, sizeof(void*)*Elts);
 }