Move the "volatile" bit into QualType's "fast" qualifier set,

increasing the required type alignment from 8 to 16. This provides a
2.5% speedup for -fsyntax-only on a token-cached Cocoa.h, while only
increasing memory consumption in the ASTContext by 0.8%.

llvm-svn: 121474

1 files changed, 0 insertions, 11 deletions

diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index d7dedc61697..9e46e8765c5 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -1090,17 +1090,6 @@ QualType ASTContext::getExtQualType(const Type *TypeNode, Qualifiers Quals) {
   return T;
 }
 
-QualType ASTContext::getVolatileType(QualType T) {
-  QualType CanT = getCanonicalType(T);
-  if (CanT.isVolatileQualified()) return T;
-
-  QualifierCollector Quals;
-  const Type *TypeNode = Quals.strip(T);
-  Quals.addVolatile();
-
-  return getExtQualType(TypeNode, Quals);
-}
-
 QualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) {
   QualType CanT = getCanonicalType(T);
   if (CanT.getAddressSpace() == AddressSpace)