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-rw-r--r--clang/lib/AST/ASTContext.cpp16
1 files changed, 12 insertions, 4 deletions
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 507baeab27a..1b77bbe1dbd 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -3930,7 +3930,7 @@ QualType ASTContext::mergeTypes(QualType LHS, QualType RHS) {
unsigned ASTContext::getIntWidth(QualType T) {
if (T == BoolTy)
return 1;
- if (FixedWidthIntType* FWIT = dyn_cast<FixedWidthIntType>(T)) {
+ if (FixedWidthIntType *FWIT = dyn_cast<FixedWidthIntType>(T)) {
return FWIT->getWidth();
}
// For builtin types, just use the standard type sizing method
@@ -3939,10 +3939,18 @@ unsigned ASTContext::getIntWidth(QualType T) {
QualType ASTContext::getCorrespondingUnsignedType(QualType T) {
assert(T->isSignedIntegerType() && "Unexpected type");
- if (const EnumType* ETy = T->getAs<EnumType>())
+
+ // Turn <4 x signed int> -> <4 x unsigned int>
+ if (const VectorType *VTy = T->getAs<VectorType>())
+ return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()),
+ VTy->getNumElements());
+
+ // For enums, we return the unsigned version of the base type.
+ if (const EnumType *ETy = T->getAs<EnumType>())
T = ETy->getDecl()->getIntegerType();
- const BuiltinType* BTy = T->getAs<BuiltinType>();
- assert (BTy && "Unexpected signed integer type");
+
+ const BuiltinType *BTy = T->getAs<BuiltinType>();
+ assert(BTy && "Unexpected signed integer type");
switch (BTy->getKind()) {
case BuiltinType::Char_S:
case BuiltinType::SChar:
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