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| author | dim <dim@FreeBSD.org> | 2010-09-17 15:48:55 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2010-09-17 15:48:55 +0000 |
| commit | 5d5cc59cc77afe655b3707cb0e69e0827b444cad (patch) | |
| tree | 36453626c792cccd91f783a38a169d610a6b9db9 /lib/VMCore/ConstantFold.cpp | |
| parent | 786a18553586229ad99ecb5ecde8a9d914c45e27 (diff) | |
| download | FreeBSD-src-5d5cc59cc77afe655b3707cb0e69e0827b444cad.zip FreeBSD-src-5d5cc59cc77afe655b3707cb0e69e0827b444cad.tar.gz | |
Vendor import of llvm r114020 (from the release_28 branch):
http://llvm.org/svn/llvm-project/llvm/branches/release_28@114020
Approved by: rpaulo (mentor)
Diffstat (limited to 'lib/VMCore/ConstantFold.cpp')
| -rw-r--r-- | lib/VMCore/ConstantFold.cpp | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/lib/VMCore/ConstantFold.cpp b/lib/VMCore/ConstantFold.cpp index 3567266..9a91daf 100644 --- a/lib/VMCore/ConstantFold.cpp +++ b/lib/VMCore/ConstantFold.cpp @@ -357,22 +357,6 @@ static Constant *getFoldedSizeOf(const Type *Ty, const Type *DestTy, } } - if (const UnionType *UTy = dyn_cast<UnionType>(Ty)) { - unsigned NumElems = UTy->getNumElements(); - // Check for a union with all members having the same size. - Constant *MemberSize = - getFoldedSizeOf(UTy->getElementType(0), DestTy, true); - bool AllSame = true; - for (unsigned i = 1; i != NumElems; ++i) - if (MemberSize != - getFoldedSizeOf(UTy->getElementType(i), DestTy, true)) { - AllSame = false; - break; - } - if (AllSame) - return MemberSize; - } - // Pointer size doesn't depend on the pointee type, so canonicalize them // to an arbitrary pointee. if (const PointerType *PTy = dyn_cast<PointerType>(Ty)) @@ -438,24 +422,6 @@ static Constant *getFoldedAlignOf(const Type *Ty, const Type *DestTy, return MemberAlign; } - if (const UnionType *UTy = dyn_cast<UnionType>(Ty)) { - // Union alignment is the maximum alignment of any member. - // Without target data, we can't compare much, but we can check to see - // if all the members have the same alignment. - unsigned NumElems = UTy->getNumElements(); - // Check for a union with all members having the same alignment. - Constant *MemberAlign = - getFoldedAlignOf(UTy->getElementType(0), DestTy, true); - bool AllSame = true; - for (unsigned i = 1; i != NumElems; ++i) - if (MemberAlign != getFoldedAlignOf(UTy->getElementType(i), DestTy, true)) { - AllSame = false; - break; - } - if (AllSame) - return MemberAlign; - } - // Pointer alignment doesn't depend on the pointee type, so canonicalize them // to an arbitrary pointee. if (const PointerType *PTy = dyn_cast<PointerType>(Ty)) @@ -909,8 +875,6 @@ Constant *llvm::ConstantFoldInsertValueInstruction(Constant *Agg, unsigned numOps; if (const ArrayType *AR = dyn_cast<ArrayType>(AggTy)) numOps = AR->getNumElements(); - else if (AggTy->isUnionTy()) - numOps = 1; else numOps = cast<StructType>(AggTy)->getNumElements(); @@ -927,10 +891,6 @@ Constant *llvm::ConstantFoldInsertValueInstruction(Constant *Agg, if (const StructType* ST = dyn_cast<StructType>(AggTy)) return ConstantStruct::get(ST->getContext(), Ops, ST->isPacked()); - if (const UnionType* UT = dyn_cast<UnionType>(AggTy)) { - assert(Ops.size() == 1 && "Union can only contain a single value!"); - return ConstantUnion::get(UT, Ops[0]); - } return ConstantArray::get(cast<ArrayType>(AggTy), Ops); } |
