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| author | Bill Wendling <isanbard@gmail.com> | 2007-10-18 08:32:37 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2007-10-18 08:32:37 +0000 |
| commit | 90bfc2d10520f9621309436c1c6928a59cd33616 (patch) | |
| tree | 5ee72d8db996d6cd8b69ddcd164e66354afb98af /lib | |
| parent | 70ba3d480302187143faf4dc5226a6f3c7b71bc8 (diff) | |
| download | external_llvm-90bfc2d10520f9621309436c1c6928a59cd33616.zip external_llvm-90bfc2d10520f9621309436c1c6928a59cd33616.tar.gz external_llvm-90bfc2d10520f9621309436c1c6928a59cd33616.tar.bz2 | |
Pointer arithmetic should be done with the index the same size as the pointer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43120 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index da2c1dc..c111036 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -4134,6 +4134,13 @@ SDOperand SelectionDAGLegalize::ExpandEXTRACT_VECTOR_ELT(SDOperand Op) { unsigned EltSize = MVT::getSizeInBits(Op.getValueType())/8; Idx = DAG.getNode(ISD::MUL, Idx.getValueType(), Idx, DAG.getConstant(EltSize, Idx.getValueType())); + + if (MVT::getSizeInBits(Idx.getValueType()) > + MVT::getSizeInBits(TLI.getPointerTy())) + Idx = DAG.getNode(ISD::TRUNCATE, TLI.getPointerTy(), StackPtr); + else + Idx = DAG.getNode(ISD::SIGN_EXTEND, TLI.getPointerTy(), StackPtr); + StackPtr = DAG.getNode(ISD::ADD, Idx.getValueType(), Idx, StackPtr); Op = DAG.getLoad(Op.getValueType(), Ch, StackPtr, NULL, 0); |