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| author | Evan Cheng <evan.cheng@apple.com> | 2006-05-26 23:09:09 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-05-26 23:09:09 +0000 |
| commit | a2e9953c54d4138b735caff4a7dedd03e1a56a3a (patch) | |
| tree | 5e21149409cae41748f9a391f7e65a8e9a0354eb /llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | |
| parent | f980a7478f6dca010abd64b43989156c816b368b (diff) | |
| download | bcm5719-llvm-a2e9953c54d4138b735caff4a7dedd03e1a56a3a.tar.gz bcm5719-llvm-a2e9953c54d4138b735caff4a7dedd03e1a56a3a.zip | |
Change RET node to include signness information of the return values. e.g.
RET chain, value1, sign1, value2, sign2
llvm-svn: 28509
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 979305fa41a..e827bb63ff5 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -1453,17 +1453,18 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { LastCALLSEQ_END = DAG.getEntryNode(); switch (Node->getNumOperands()) { - case 2: // ret val + case 3: // ret val Tmp2 = Node->getOperand(1); + Tmp3 = Node->getOperand(2); // Signness switch (getTypeAction(Tmp2.getValueType())) { case Legal: - Result = DAG.UpdateNodeOperands(Result, Tmp1, LegalizeOp(Tmp2)); + Result = DAG.UpdateNodeOperands(Result, Tmp1, LegalizeOp(Tmp2), Tmp3); break; case Expand: if (Tmp2.getValueType() != MVT::Vector) { SDOperand Lo, Hi; ExpandOp(Tmp2, Lo, Hi); - Result = DAG.getNode(ISD::RET, MVT::Other, Tmp1, Lo, Hi); + Result = DAG.getNode(ISD::RET, MVT::Other, Tmp1, Lo, Tmp3, Hi, Tmp3); } else { SDNode *InVal = Tmp2.Val; unsigned NumElems = @@ -1476,11 +1477,11 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { if (TVT != MVT::Other && TLI.isTypeLegal(TVT)) { // Turn this into a return of the packed type. Tmp2 = PackVectorOp(Tmp2, TVT); - Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); + Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); } else if (NumElems == 1) { // Turn this into a return of the scalar type. Tmp2 = PackVectorOp(Tmp2, EVT); - Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); + Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); // FIXME: Returns of gcc generic vectors smaller than a legal type // should be returned in integer registers! @@ -1493,14 +1494,14 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { // type should be returned by reference! SDOperand Lo, Hi; SplitVectorOp(Tmp2, Lo, Hi); - Result = DAG.getNode(ISD::RET, MVT::Other, Tmp1, Lo, Hi); + Result = DAG.getNode(ISD::RET, MVT::Other, Tmp1, Lo, Tmp3, Hi, Tmp3); Result = LegalizeOp(Result); } } break; case Promote: Tmp2 = PromoteOp(Node->getOperand(1)); - Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); + Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); Result = LegalizeOp(Result); break; } @@ -1511,10 +1512,11 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { default: { // ret <values> std::vector<SDOperand> NewValues; NewValues.push_back(Tmp1); - for (unsigned i = 1, e = Node->getNumOperands(); i != e; ++i) + for (unsigned i = 1, e = Node->getNumOperands(); i < e; i += 2) switch (getTypeAction(Node->getOperand(i).getValueType())) { case Legal: NewValues.push_back(LegalizeOp(Node->getOperand(i))); + NewValues.push_back(Node->getOperand(i+1)); break; case Expand: { SDOperand Lo, Hi; @@ -1522,7 +1524,9 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { "FIXME: TODO: implement returning non-legal vector types!"); ExpandOp(Node->getOperand(i), Lo, Hi); NewValues.push_back(Lo); + NewValues.push_back(Node->getOperand(i+1)); NewValues.push_back(Hi); + NewValues.push_back(Node->getOperand(i+1)); break; } case Promote: |
