diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 3597c6d86c5..df42d456318 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -7611,6 +7611,10 @@ SDNode* SelectionDAG::mutateStrictFPToFP(SDNode *Node) { case ISD::STRICT_FFLOOR: NewOpc = ISD::FFLOOR; IsUnary = true; break; case ISD::STRICT_FROUND: NewOpc = ISD::FROUND; IsUnary = true; break; case ISD::STRICT_FTRUNC: NewOpc = ISD::FTRUNC; IsUnary = true; break; + // STRICT_FP_ROUND takes an extra argument describing whether or not + // the value will be changed by this node. See ISDOpcodes.h for details. + case ISD::STRICT_FP_ROUND: NewOpc = ISD::FP_ROUND; break; + case ISD::STRICT_FP_EXTEND: NewOpc = ISD::FP_EXTEND; IsUnary = true; break; } // We're taking this node out of the chain, so we need to re-link things. @@ -7618,8 +7622,19 @@ SDNode* SelectionDAG::mutateStrictFPToFP(SDNode *Node) { SDValue OutputChain = SDValue(Node, 1); ReplaceAllUsesOfValueWith(OutputChain, InputChain); - SDVTList VTs = getVTList(Node->getOperand(1).getValueType()); + SDVTList VTs; SDNode *Res = nullptr; + + switch (OrigOpc) { + default: + VTs = getVTList(Node->getOperand(1).getValueType()); + break; + case ISD::STRICT_FP_ROUND: + case ISD::STRICT_FP_EXTEND: + VTs = getVTList(Node->getValueType(0)); + break; + } + if (IsUnary) Res = MorphNodeTo(Node, NewOpc, VTs, { Node->getOperand(1) }); else if (IsTernary) |
