WebAssembly: Implement call

Summary: Support function calls.

Reviewers: sunfish, sunfishcode

Subscribers: sunfishcode, jfb, llvm-commits

Differential revision: http://reviews.llvm.org/D12219

llvm-svn: 245887

1 files changed, 10 insertions, 8 deletions

diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.h b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.h
index ea845cd4031..119d0f5ef43 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.h
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.h
@@ -24,10 +24,9 @@ namespace WebAssemblyISD {
 
 enum NodeType : unsigned {
   FIRST_NUMBER = ISD::BUILTIN_OP_END,
-  RETURN,
-  ARGUMENT,
-
-  // add memory opcodes starting at ISD::FIRST_TARGET_MEMORY_OPCODE here...
+#define HANDLE_NODETYPE(NODE) NODE,
+#include "WebAssemblyISD.def"
+#undef HANDLE_NODETYPE
 };
 
 } // end namespace WebAssemblyISD
@@ -47,26 +46,29 @@ private:
 
   FastISel *createFastISel(FunctionLoweringInfo &FuncInfo,
                            const TargetLibraryInfo *LibInfo) const override;
-
+  bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const override;
   MVT getScalarShiftAmountTy(const DataLayout &DL, EVT) const override;
-
   const char *getTargetNodeName(unsigned Opcode) const override;
 
+  SDValue LowerCall(CallLoweringInfo &CLI,
+                    SmallVectorImpl<SDValue> &InVals) 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,
                       SelectionDAG &DAG) const override;
-
   SDValue LowerFormalArguments(SDValue Chain, CallingConv::ID CallConv,
                                bool IsVarArg,
                                const SmallVectorImpl<ISD::InputArg> &Ins,
                                SDLoc DL, SelectionDAG &DAG,
                                SmallVectorImpl<SDValue> &InVals) const override;
+
+  // Custom lowering hooks.
+  SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const override;
+  SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
 };
 
 namespace WebAssembly {