Add getTypeAlignInChars() for use in code that works in alignments in character

units.

llvm-svn: 94552

2 files changed, 14 insertions, 0 deletions

diff --git a/clang/include/clang/AST/ASTContext.h b/clang/include/clang/AST/ASTContext.h
index e5429bec143..0462de3897a 100644
--- a/clang/include/clang/AST/ASTContext.h
+++ b/clang/include/clang/AST/ASTContext.h
@@ -835,6 +835,11 @@ public:
     return getTypeInfo(T).second;
   }
 
+  /// getTypeAlign - Return the ABI-specified alignment of a type, in 
+  /// characters. This method does not work on incomplete types.
+  CharUnits getTypeAlignInChars(QualType T);
+  CharUnits getTypeAlignInChars(const Type *T);
+
   /// getPreferredTypeAlign - Return the "preferred" alignment of the specified
   /// type for the current target in bits.  This can be different than the ABI
   /// alignment in cases where it is beneficial for performance to overalign
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index c1bc70989d4..e5c4381530f 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -820,6 +820,15 @@ CharUnits ASTContext::getTypeSizeInChars(const Type *T) {
   return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth());
 }
 
+/// getTypeAlign - Return the ABI-specified alignment of a type, in 
+/// characters. This method does not work on incomplete types.
+CharUnits ASTContext::getTypeAlignInChars(QualType T) {
+  return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth());
+}
+CharUnits ASTContext::getTypeAlignInChars(const Type *T) {
+  return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth());
+}
+
 /// getPreferredTypeAlign - Return the "preferred" alignment of the specified
 /// type for the current target in bits.  This can be different than the ABI
 /// alignment in cases where it is beneficial for performance to overalign