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Make getTypeSizeInBits work correctly for array types; it should return

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the number of value bits, not the number of bits of allocation for in-memory
storage.

Make getTypeStoreSize and getTypeAllocSize work consistently for arrays and
vectors.

Fix several places in CodeGen which compute offsets into in-memory vectors
to use TargetData information.

This fixes PR1784.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97064 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-02-24 22:05:23 +00:00
parent 46ca5efdd5
commit c382bc3c0f
6 changed files with 106 additions and 20 deletions
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3
lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
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@@ -966,7 +966,8 @@ SDValue DAGTypeLegalizer::GetVectorElementPointer(SDValue VecPtr, EVT EltVT,
Index = DAG.getNode(ISD::ZERO_EXTEND, dl, TLI.getPointerTy(), Index);
// Calculate the element offset and add it to the pointer.
unsigned EltSize = EltVT.getSizeInBits() / 8; // FIXME: should be ABI size.
unsigned EltSize = TLI.getTargetData()->
getTypeAllocSize(EltVT.getTypeForEVT(*DAG.getContext()));
Index = DAG.getNode(ISD::MUL, dl, Index.getValueType(), Index,
DAG.getConstant(EltSize, Index.getValueType()));