diff options
| author | Mon P Wang <wangmp@apple.com> | 2008-12-09 05:46:39 +0000 |
|---|---|---|
| committer | Mon P Wang <wangmp@apple.com> | 2008-12-09 05:46:39 +0000 |
| commit | e9f1015d1f184a51aaadfd03be0846bd5e7d08a2 (patch) | |
| tree | f27edc0e889c8e493c2cd58da91ad01fd86cf2d9 /lib/CodeGen/SelectionDAG/SelectionDAG.cpp | |
| parent | 46a879ebd384fb39cb680e4c3c182fefcdef5778 (diff) | |
Fix getNode to allow a vector for the shift amount for shifts of vectors.
Fix the shift amount when unrolling a vector shift into scalar shifts.
Fix problem in getShuffleScalarElt where it assumes that the input of
a bit convert must be a vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60740 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 6fc2a67e29..34f0ccac47 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -2066,7 +2066,8 @@ SDValue SelectionDAG::getShuffleScalarElt(const SDNode *N, unsigned i) { if (V.getOpcode() == ISD::BIT_CONVERT) { V = V.getOperand(0); - if (V.getValueType().getVectorNumElements() != NumElems) + MVT VVT = V.getValueType(); + if (!VVT.isVector() || VVT.getVectorNumElements() != NumElems) return SDValue(); } if (V.getOpcode() == ISD::SCALAR_TO_VECTOR) @@ -2418,7 +2419,8 @@ SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT, "Shift operators return type must be the same as their first arg"); assert(VT.isInteger() && N2.getValueType().isInteger() && "Shifts only work on integers"); - assert(N2.getValueType() == TLI.getShiftAmountTy() && + assert((N2.getValueType() == TLI.getShiftAmountTy() || + (N2.getValueType().isVector() && N2.getValueType().isInteger())) && "Wrong type for shift amount"); // Always fold shifts of i1 values so the code generator doesn't need to |