sizeof is defined by bitsin(char) not by units of 8 bits.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44369 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/AST/Expr.cpp b/AST/Expr.cpp
index 7722139..9bc6b90 100644
--- a/AST/Expr.cpp
+++ b/AST/Expr.cpp
@@ -15,6 +15,7 @@
#include "clang/AST/ASTContext.h"
#include "clang/AST/StmtVisitor.h"
#include "clang/Basic/IdentifierTable.h"
+#include "clang/Basic/TargetInfo.h"
using namespace clang;
//===----------------------------------------------------------------------===//
@@ -587,12 +588,14 @@
Exp->getOperatorLoc())));
// Get information about the size or align.
- if (Exp->getOpcode() == UnaryOperator::SizeOf)
- Result = Ctx.getTypeSize(Exp->getSubExpr()->getType(),
- Exp->getOperatorLoc()) / 8;
- else
+ if (Exp->getOpcode() == UnaryOperator::AlignOf) {
Result = Ctx.getTypeAlign(Exp->getSubExpr()->getType(),
Exp->getOperatorLoc());
+ } else {
+ unsigned CharSize = Ctx.Target.getCharWidth(Exp->getOperatorLoc());
+ Result = Ctx.getTypeSize(Exp->getSubExpr()->getType(),
+ Exp->getOperatorLoc()) / CharSize;
+ }
break;
case UnaryOperator::LNot: {
bool Val = Result != 0;