diff options
Diffstat (limited to 'lib/Target/TargetData.cpp')
-rw-r--r-- | lib/Target/TargetData.cpp | 43 |
1 files changed, 1 insertions, 42 deletions
diff --git a/lib/Target/TargetData.cpp b/lib/Target/TargetData.cpp index 2a90d7f6c1..9a168087ae 100644 --- a/lib/Target/TargetData.cpp +++ b/lib/Target/TargetData.cpp @@ -455,7 +455,7 @@ uint64_t TargetData::getTypeSizeInBits(const Type *Ty) const { return getPointerSizeInBits(); case Type::ArrayTyID: { const ArrayType *ATy = cast<ArrayType>(Ty); - return getTypeSizeInBits(ATy->getElementType())*ATy->getNumElements(); + return getTypeAllocSizeInBits(ATy->getElementType())*ATy->getNumElements(); } case Type::StructTyID: // Get the layout annotation... which is lazily created on demand. @@ -484,47 +484,6 @@ uint64_t TargetData::getTypeSizeInBits(const Type *Ty) const { return 0; } -/// getTypeStoreSize - Return the maximum number of bytes that may be -/// overwritten by storing the specified type. For example, returns 5 -/// for i36 and 10 for x86_fp80. -uint64_t TargetData::getTypeStoreSize(const Type *Ty) const { - // Arrays and vectors are allocated as sequences of elements. - if (const ArrayType *ATy = dyn_cast<ArrayType>(Ty)) { - if (ATy->getNumElements() == 0) - return 0; - const Type *ElementType = ATy->getElementType(); - return getTypeAllocSize(ElementType) * (ATy->getNumElements() - 1) + - getTypeStoreSize(ElementType); - } - if (const VectorType *VTy = dyn_cast<VectorType>(Ty)) { - const Type *ElementType = VTy->getElementType(); - return getTypeAllocSize(ElementType) * (VTy->getNumElements() - 1) + - getTypeStoreSize(ElementType); - } - - return (getTypeSizeInBits(Ty)+7)/8; -} - -/// getTypeAllocSize - Return the offset in bytes between successive objects -/// of the specified type, including alignment padding. This is the amount -/// that alloca reserves for this type. For example, returns 12 or 16 for -/// x86_fp80, depending on alignment. -uint64_t TargetData::getTypeAllocSize(const Type* Ty) const { - // Arrays and vectors are allocated as sequences of elements. - // Note that this means that things like vectors-of-i1 are not bit-packed - // in memory (except on a hypothetical bit-addressable machine). If - // someone builds hardware with native vector-of-i1 stores and the idiom - // of bitcasting vectors to integers in order to bitpack them for storage - // isn't sufficient, TargetData may need new "size" concept. - if (const ArrayType *ATy = dyn_cast<ArrayType>(Ty)) - return getTypeAllocSize(ATy->getElementType()) * ATy->getNumElements(); - if (const VectorType *VTy = dyn_cast<VectorType>(Ty)) - return getTypeAllocSize(VTy->getElementType()) * VTy->getNumElements(); - - // Round up to the next alignment boundary. - return RoundUpAlignment(getTypeStoreSize(Ty), getABITypeAlignment(Ty)); -} - /*! \param abi_or_pref Flag that determines which alignment is returned. true returns the ABI alignment, false returns the preferred alignment. |