diff options
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index b48c1b6aaba..32cf5970726 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -706,11 +706,35 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { case ISD::MEMSET: case ISD::MEMCPY: case ISD::MEMMOVE: { - Tmp1 = LegalizeOp(Node->getOperand(0)); - Tmp2 = LegalizeOp(Node->getOperand(1)); - Tmp3 = LegalizeOp(Node->getOperand(2)); - SDOperand Tmp4 = LegalizeOp(Node->getOperand(3)); - SDOperand Tmp5 = LegalizeOp(Node->getOperand(4)); + Tmp1 = LegalizeOp(Node->getOperand(0)); // Function + Tmp2 = LegalizeOp(Node->getOperand(1)); // Pointer + + if (Node->getOpcode() == ISD::MEMSET) { // memset = ubyte + switch (getTypeAction(Node->getOperand(2).getValueType())) { + case Expand: assert(0 && "Cannot expand a byte!"); + case Legal: + Tmp3 = LegalizeOp(Node->getOperand(1)); + break; + case Promote: + Tmp3 = PromoteOp(Node->getOperand(1)); + break; + } + } else { + Tmp3 = LegalizeOp(Node->getOperand(2)); // memcpy/move = pointer, + } + SDOperand Tmp4, Tmp5; + + switch (getTypeAction(Node->getOperand(3).getValueType())) { // uint + case Expand: assert(0 && "Cannot expand this yet!"); + case Legal: + Tmp4 = LegalizeOp(Node->getOperand(3)); + Tmp5 = LegalizeOp(Node->getOperand(4)); + break; + case Promote: + Tmp4 = PromoteOp(Node->getOperand(3)); + Tmp5 = PromoteOp(Node->getOperand(4)); + break; + } switch (TLI.getOperationAction(Node->getOpcode(), MVT::Other)) { default: assert(0 && "This action not implemented for this operation!"); |
