diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 3c9316780b5..9ce7343c495 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -4262,6 +4262,21 @@ void SelectionDAGLegalize::ConvertNodeToLibcall(SDNode *Node) { RTLIB::MUL_I16, RTLIB::MUL_I32, RTLIB::MUL_I64, RTLIB::MUL_I128)); break; + case ISD::CTLZ_ZERO_UNDEF: + switch (Node->getSimpleValueType(0).SimpleTy) { + default: + llvm_unreachable("LibCall explicitly requested, but not available"); + case MVT::i32: + Results.push_back(ExpandLibCall(RTLIB::CTLZ_I32, Node, false)); + break; + case MVT::i64: + Results.push_back(ExpandLibCall(RTLIB::CTLZ_I64, Node, false)); + break; + case MVT::i128: + Results.push_back(ExpandLibCall(RTLIB::CTLZ_I128, Node, false)); + break; + } + break; } // Replace the original node with the legalized result. |
