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| author | dim <dim@FreeBSD.org> | 2015-12-30 13:13:10 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2015-12-30 13:13:10 +0000 |
| commit | 9b5bf5c4f53d65d6a48722d7410ed7cb15f5ba3a (patch) | |
| tree | b466a4817f79516eb1df8eae92bccf62ecc84003 /contrib/llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp | |
| parent | f09a28d1de99fda4f5517fb12670fc36552f4927 (diff) | |
| parent | e194cd6d03d91631334d9d5e55b506036f423cc8 (diff) | |
| download | FreeBSD-src-9b5bf5c4f53d65d6a48722d7410ed7cb15f5ba3a.zip FreeBSD-src-9b5bf5c4f53d65d6a48722d7410ed7cb15f5ba3a.tar.gz | |
Update llvm to trunk r256633.
Diffstat (limited to 'contrib/llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp')
| -rw-r--r-- | contrib/llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp | 57 |
1 files changed, 56 insertions, 1 deletions
diff --git a/contrib/llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp b/contrib/llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp index 518ef33..8390f79 100644 --- a/contrib/llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp +++ b/contrib/llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp @@ -56,13 +56,68 @@ public: SDNode *Select(SDNode *Node) override; + bool SelectInlineAsmMemoryOperand(const SDValue &Op, unsigned ConstraintID, + std::vector<SDValue> &OutOps) override; + +// Include the pieces autogenerated from the target description. +#include "WebAssemblyGenDAGISel.inc" + private: // add select functions here... }; } // end anonymous namespace SDNode *WebAssemblyDAGToDAGISel::Select(SDNode *Node) { - llvm_unreachable("TODO: implement Select"); + // Dump information about the Node being selected. + DEBUG(errs() << "Selecting: "); + DEBUG(Node->dump(CurDAG)); + DEBUG(errs() << "\n"); + + // If we have a custom node, we already have selected! + if (Node->isMachineOpcode()) { + DEBUG(errs() << "== "; Node->dump(CurDAG); errs() << "\n"); + Node->setNodeId(-1); + return nullptr; + } + + // Few custom selection stuff. + SDNode *ResNode = nullptr; + EVT VT = Node->getValueType(0); + + switch (Node->getOpcode()) { + default: + break; + // If we need WebAssembly-specific selection, it would go here. + (void)VT; + } + + // Select the default instruction. + ResNode = SelectCode(Node); + + DEBUG(errs() << "=> "); + if (ResNode == nullptr || ResNode == Node) + DEBUG(Node->dump(CurDAG)); + else + DEBUG(ResNode->dump(CurDAG)); + DEBUG(errs() << "\n"); + + return ResNode; +} + +bool WebAssemblyDAGToDAGISel::SelectInlineAsmMemoryOperand( + const SDValue &Op, unsigned ConstraintID, std::vector<SDValue> &OutOps) { + switch (ConstraintID) { + case InlineAsm::Constraint_i: + case InlineAsm::Constraint_m: + // We just support simple memory operands that just have a single address + // operand and need no special handling. + OutOps.push_back(Op); + return false; + default: + break; + } + + return true; } /// This pass converts a legalized DAG into a WebAssembly-specific DAG, ready |
