WebAssembly: implement WebAssemblyTargetLowering::getTargetNodeName

[jfb]

Summary

Implementation is the same as in AArch64.

llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.h

 #define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYISELLOWERING_H
 
 #include "llvm/Target/TargetLowering.h"
 
 namespace llvm {
 
 namespace WebAssemblyISD {
 
-enum {
+enum NodeType : unsigned {
   FIRST_NUMBER = ISD::BUILTIN_OP_END,
   RETURN,
   ARGUMENT,
 
   // add memory opcodes starting at ISD::FIRST_TARGET_MEMORY_OPCODE here...
 };
 
 } // end namespace WebAssemblyISD
 
 class WebAssemblySubtarget;
 class WebAssemblyTargetMachine;
 
 class WebAssemblyTargetLowering final : public TargetLowering {
 public:
   WebAssemblyTargetLowering(const TargetMachine &TM,
                             const WebAssemblySubtarget &STI);
 
 private:
   /// Keep a pointer to the WebAssemblySubtarget around so that we can make the
   /// right decision when generating code for different targets.
   const WebAssemblySubtarget *Subtarget;
 
   MVT getScalarShiftAmountTy(const DataLayout &DL, EVT) const override;
 
+  const char *getTargetNodeName(unsigned Opcode) const override;
+
   bool CanLowerReturn(CallingConv::ID CallConv, MachineFunction &MF,
                       bool isVarArg,
                       const SmallVectorImpl<ISD::OutputArg> &Outs,
                       LLVMContext &Context) const override;
 
   SDValue LowerReturn(SDValue Chain, CallingConv::ID CallConv, bool isVarArg,
                       const SmallVectorImpl<ISD::OutputArg> &Outs,
                       const SmallVectorImpl<SDValue> &OutVals, SDLoc dl,

llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp

WebAssemblyTargetLowering::WebAssemblyTargetLowering(
   setOperationAction(ISD::ConstantFP, MVT::f64, Legal);
 }
 
 MVT WebAssemblyTargetLowering::getScalarShiftAmountTy(const DataLayout &DL,
                                                       EVT VT) const {
   return VT.getSimpleVT();
 }
 
+const char *
+WebAssemblyTargetLowering::getTargetNodeName(unsigned Opcode) const {
+  switch (static_cast<WebAssemblyISD::NodeType>(Opcode)) {
+  case WebAssemblyISD::FIRST_NUMBER: break;
+  case WebAssemblyISD::RETURN: return "WebAssemblyISD::RETURN";
+  case WebAssemblyISD::ARGUMENT: return "WebAssemblyISD::ARGUMENT";
+  }
+  return nullptr;
+}
+
 //===----------------------------------------------------------------------===//
 // WebAssembly Lowering private implementation.
 //===----------------------------------------------------------------------===//
 
 //===----------------------------------------------------------------------===//
 // Lowering Code
 //===----------------------------------------------------------------------===//