Introduce CodeGenModule::GetTargetTypeStoreSize() to calculate the store size

of LLVM types in character units.

llvm-svn: 94542

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 65b29313c60..4eb8bd8d9ff 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -20,6 +20,7 @@
 #include "TargetInfo.h"
 #include "clang/CodeGen/CodeGenOptions.h"
 #include "clang/AST/ASTContext.h"
+#include "clang/AST/CharUnits.h"
 #include "clang/AST/DeclObjC.h"
 #include "clang/AST/DeclCXX.h"
 #include "clang/AST/RecordLayout.h"
@@ -968,6 +969,11 @@ GetLinkageForVariable(ASTContext &Context, const VarDecl *VD) {
   return CodeGenModule::GVA_StrongExternal;
 }
 
+CharUnits CodeGenModule::GetTargetTypeStoreSize(const llvm::Type *Ty) const {
+    return CharUnits::fromQuantity(
+      TheTargetData.getTypeStoreSizeInBits(Ty) / Context.getCharWidth());
+}
+
 void CodeGenModule::EmitGlobalVarDefinition(const VarDecl *D) {
   llvm::Constant *Init = 0;
   QualType ASTTy = D->getType();