diff options
Diffstat (limited to 'lib/CodeGen/TargetInfo.cpp')
| -rw-r--r-- | lib/CodeGen/TargetInfo.cpp | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/lib/CodeGen/TargetInfo.cpp b/lib/CodeGen/TargetInfo.cpp index 6ad3495157..39cc7e5d99 100644 --- a/lib/CodeGen/TargetInfo.cpp +++ b/lib/CodeGen/TargetInfo.cpp @@ -2134,19 +2134,15 @@ ABIArgInfo X86_64ABIInfo::getIndirectResult(QualType Ty, return ABIArgInfo::getIndirect(Align); } -/// GetByteVectorType - The ABI specifies that a value should be passed in an -/// full vector XMM/YMM register. Pick an LLVM IR type that will be passed as a -/// vector register. +/// The ABI specifies that a value should be passed in a full vector XMM/YMM +/// register. Pick an LLVM IR type that will be passed as a vector register. llvm::Type *X86_64ABIInfo::GetByteVectorType(QualType Ty) const { - llvm::Type *IRType = CGT.ConvertType(Ty); + // Wrapper structs/arrays that only contain vectors are passed just like + // vectors; strip them off if present. + if (const Type *InnerTy = isSingleElementStruct(Ty, getContext())) + Ty = QualType(InnerTy, 0); - // Wrapper structs that just contain vectors are passed just like vectors, - // strip them off if present. - llvm::StructType *STy = dyn_cast<llvm::StructType>(IRType); - while (STy && STy->getNumElements() == 1) { - IRType = STy->getElementType(0); - STy = dyn_cast<llvm::StructType>(IRType); - } + llvm::Type *IRType = CGT.ConvertType(Ty); // If the preferred type is a 16-byte vector, prefer to pass it. if (llvm::VectorType *VT = dyn_cast<llvm::VectorType>(IRType)){ |