diff options
| author | Chris Lattner <sabre@nondot.org> | 2009-10-17 20:33:28 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-10-17 20:33:28 +0000 |
| commit | 6a2b9261bf9c973c7122d9d1febce24a38fa862d (patch) | |
| tree | c7f4c912f81f4af52fb46557d4d0a3d6071fd2f4 /lib/AST/ASTContext.cpp | |
| parent | d75191f0d100b596281f99ea8f2f0a0d0560d969 (diff) | |
teach getCorrespondingUnsignedType how to handle vectors of integers,
fixing PR4838.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84353 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/AST/ASTContext.cpp')
| -rw-r--r-- | lib/AST/ASTContext.cpp | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp index 507baeab27..1b77bbe1db 100644 --- a/lib/AST/ASTContext.cpp +++ b/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: |