1 files changed, 0 insertions, 172 deletions

diff --git a/contrib/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.h b/contrib/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.h
deleted file mode 100644
index 4b9ba491dee6..000000000000
--- a/contrib/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.h
+++ /dev/null
@@ -1,172 +0,0 @@
-// WebAssemblyMachineFunctionInfo.h-WebAssembly machine function info-*- C++ -*-
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-///
-/// \file
-/// This file declares WebAssembly-specific per-machine-function
-/// information.
-///
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYMACHINEFUNCTIONINFO_H
-#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYMACHINEFUNCTIONINFO_H
-
-#include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
-#include "llvm/BinaryFormat/Wasm.h"
-#include "llvm/CodeGen/MIRYamlMapping.h"
-#include "llvm/CodeGen/MachineRegisterInfo.h"
-#include "llvm/MC/MCSymbolWasm.h"
-
-namespace llvm {
-
-namespace yaml {
-struct WebAssemblyFunctionInfo;
-}
-
-/// This class is derived from MachineFunctionInfo and contains private
-/// WebAssembly-specific information for each MachineFunction.
-class WebAssemblyFunctionInfo final : public MachineFunctionInfo {
-  MachineFunction &MF;
-
-  std::vector<MVT> Params;
-  std::vector<MVT> Results;
-  std::vector<MVT> Locals;
-
-  /// A mapping from CodeGen vreg index to WebAssembly register number.
-  std::vector<unsigned> WARegs;
-
-  /// A mapping from CodeGen vreg index to a boolean value indicating whether
-  /// the given register is considered to be "stackified", meaning it has been
-  /// determined or made to meet the stack requirements:
-  ///   - single use (per path)
-  ///   - single def (per path)
-  ///   - defined and used in LIFO order with other stack registers
-  BitVector VRegStackified;
-
-  // A virtual register holding the pointer to the vararg buffer for vararg
-  // functions. It is created and set in TLI::LowerFormalArguments and read by
-  // TLI::LowerVASTART
-  unsigned VarargVreg = -1U;
-
-  // A virtual register holding the base pointer for functions that have
-  // overaligned values on the user stack.
-  unsigned BasePtrVreg = -1U;
-
-  // Function properties.
-  bool CFGStackified = false;
-
-public:
-  explicit WebAssemblyFunctionInfo(MachineFunction &MF) : MF(MF) {}
-  ~WebAssemblyFunctionInfo() override;
-  void initializeBaseYamlFields(const yaml::WebAssemblyFunctionInfo &YamlMFI);
-
-  void addParam(MVT VT) { Params.push_back(VT); }
-  const std::vector<MVT> &getParams() const { return Params; }
-
-  void addResult(MVT VT) { Results.push_back(VT); }
-  const std::vector<MVT> &getResults() const { return Results; }
-
-  void clearParamsAndResults() {
-    Params.clear();
-    Results.clear();
-  }
-
-  void setNumLocals(size_t NumLocals) { Locals.resize(NumLocals, MVT::i32); }
-  void setLocal(size_t i, MVT VT) { Locals[i] = VT; }
-  void addLocal(MVT VT) { Locals.push_back(VT); }
-  const std::vector<MVT> &getLocals() const { return Locals; }
-
-  unsigned getVarargBufferVreg() const {
-    assert(VarargVreg != -1U && "Vararg vreg hasn't been set");
-    return VarargVreg;
-  }
-  void setVarargBufferVreg(unsigned Reg) { VarargVreg = Reg; }
-
-  unsigned getBasePointerVreg() const {
-    assert(BasePtrVreg != -1U && "Base ptr vreg hasn't been set");
-    return BasePtrVreg;
-  }
-  void setBasePointerVreg(unsigned Reg) { BasePtrVreg = Reg; }
-
-  static const unsigned UnusedReg = -1u;
-
-  void stackifyVReg(unsigned VReg) {
-    assert(MF.getRegInfo().getUniqueVRegDef(VReg));
-    auto I = TargetRegisterInfo::virtReg2Index(VReg);
-    if (I >= VRegStackified.size())
-      VRegStackified.resize(I + 1);
-    VRegStackified.set(I);
-  }
-  bool isVRegStackified(unsigned VReg) const {
-    auto I = TargetRegisterInfo::virtReg2Index(VReg);
-    if (I >= VRegStackified.size())
-      return false;
-    return VRegStackified.test(I);
-  }
-
-  void initWARegs();
-  void setWAReg(unsigned VReg, unsigned WAReg) {
-    assert(WAReg != UnusedReg);
-    auto I = TargetRegisterInfo::virtReg2Index(VReg);
-    assert(I < WARegs.size());
-    WARegs[I] = WAReg;
-  }
-  unsigned getWAReg(unsigned VReg) const {
-    auto I = TargetRegisterInfo::virtReg2Index(VReg);
-    assert(I < WARegs.size());
-    return WARegs[I];
-  }
-
-  // For a given stackified WAReg, return the id number to print with push/pop.
-  static unsigned getWARegStackId(unsigned Reg) {
-    assert(Reg & INT32_MIN);
-    return Reg & INT32_MAX;
-  }
-
-  bool isCFGStackified() const { return CFGStackified; }
-  void setCFGStackified(bool Value = true) { CFGStackified = Value; }
-};
-
-void computeLegalValueVTs(const Function &F, const TargetMachine &TM, Type *Ty,
-                          SmallVectorImpl<MVT> &ValueVTs);
-
-// Compute the signature for a given FunctionType (Ty). Note that it's not the
-// signature for F (F is just used to get varous context)
-void computeSignatureVTs(const FunctionType *Ty, const Function &F,
-                         const TargetMachine &TM, SmallVectorImpl<MVT> &Params,
-                         SmallVectorImpl<MVT> &Results);
-
-void valTypesFromMVTs(const ArrayRef<MVT> &In,
-                      SmallVectorImpl<wasm::ValType> &Out);
-
-std::unique_ptr<wasm::WasmSignature>
-signatureFromMVTs(const SmallVectorImpl<MVT> &Results,
-                  const SmallVectorImpl<MVT> &Params);
-
-namespace yaml {
-
-struct WebAssemblyFunctionInfo final : public yaml::MachineFunctionInfo {
-  bool CFGStackified = false;
-
-  WebAssemblyFunctionInfo() = default;
-  WebAssemblyFunctionInfo(const llvm::WebAssemblyFunctionInfo &MFI);
-
-  void mappingImpl(yaml::IO &YamlIO) override;
-  ~WebAssemblyFunctionInfo() = default;
-};
-
-template <> struct MappingTraits<WebAssemblyFunctionInfo> {
-  static void mapping(IO &YamlIO, WebAssemblyFunctionInfo &MFI) {
-    YamlIO.mapOptional("isCFGStackified", MFI.CFGStackified, false);
-  }
-};
-
-} // end namespace yaml
-
-} // end namespace llvm
-
-#endif