diff options
| author | Anders Carlsson <andersca@mac.com> | 2008-12-21 03:48:05 +0000 |
|---|---|---|
| committer | Anders Carlsson <andersca@mac.com> | 2008-12-21 03:48:05 +0000 |
| commit | 4a1424fd702299fbc354899b8c65bdf8491d8fe9 (patch) | |
| tree | caae905a9dc8c95ffb039d819039ed17f234d802 /lib/CodeGen/CGExprScalar.cpp | |
| parent | 47b32407e45674a41a3d0a8ec4d6b30c1f4f8164 (diff) | |
Implement alignof for vla types.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61305 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGExprScalar.cpp')
| -rw-r--r-- | lib/CodeGen/CGExprScalar.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp index d829facb16..a5d5bc22af 100644 --- a/lib/CodeGen/CGExprScalar.cpp +++ b/lib/CodeGen/CGExprScalar.cpp @@ -670,8 +670,13 @@ ScalarExprEmitter::VisitSizeOfAlignOfExpr(const SizeOfAlignOfExpr *E) { } return CGF.GetVLASize(VAT); } - // FIXME: This should be an UNSUPPORTED error. - assert(0 && "alignof VLAs not implemented yet"); + + // alignof + QualType BaseType = CGF.getContext().getBaseElementType(VAT); + uint64_t Align = CGF.getContext().getTypeAlign(BaseType); + + Align /= 8; // Return alignment in bytes, not bits. + return llvm::ConstantInt::get(llvm::APInt(ResultWidth, Align)); } std::pair<uint64_t, unsigned> Info = CGF.getContext().getTypeInfo(TypeToSize); |