WebAssembly.h

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//===-- WebAssembly.h - Top-level interface for WebAssembly  ----*- 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 contains the entry points for global functions defined in
/// the LLVM WebAssembly back-end.
///
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLY_H
#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLY_H
 
#include "GISel/WebAssemblyRegisterBankInfo.h"
#include "WebAssemblySubtarget.h"
#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
#include "llvm/CodeGen/SelectionDAGISel.h"
#include "llvm/PassRegistry.h"
#include "llvm/Support/CodeGen.h"
 
namespace llvm {
 
class WebAssemblyTargetMachine;
class ModulePass;
class FunctionPass;
 
// LLVM IR passes.
ModulePass *createWebAssemblyLowerEmscriptenEHSjLj();
ModulePass *createWebAssemblyAddMissingPrototypes();
ModulePass *createWebAssemblyFixFunctionBitcasts();
FunctionPass *createWebAssemblyOptimizeReturned();
FunctionPass *createWebAssemblyRefTypeMem2Local();
FunctionPass *createWebAssemblyReduceToAnyAllTrue(WebAssemblyTargetMachine &TM);
 
// GlobalISel
InstructionSelector *
createWebAssemblyInstructionSelector(const WebAssemblyTargetMachine &,
                                     const WebAssemblySubtarget &,
                                     const WebAssemblyRegisterBankInfo &);
 
FunctionPass *createWebAssemblyPostLegalizerCombiner();
void initializeWebAssemblyPostLegalizerCombinerPass(PassRegistry &);
 
FunctionPass *createWebAssemblyPreLegalizerCombiner();
void initializeWebAssemblyPreLegalizerCombinerPass(PassRegistry &);
 
// ISel and immediate followup passes.
class WebAssemblyISelDAGToDAGPass : public SelectionDAGISelPass {
public:
  WebAssemblyISelDAGToDAGPass(WebAssemblyTargetMachine &TM,
                              CodeGenOptLevel OptLevel);
};
 
FunctionPass *createWebAssemblyISelDagLegacyPass(WebAssemblyTargetMachine &TM,
                                                 CodeGenOptLevel OptLevel);
FunctionPass *createWebAssemblyArgumentMove();
FunctionPass *createWebAssemblySetP2AlignOperands();
FunctionPass *createWebAssemblyCleanCodeAfterTrap();
 
// Late passes.
FunctionPass *createWebAssemblyReplacePhysRegs();
FunctionPass *createWebAssemblyNullifyDebugValueLists();
FunctionPass *createWebAssemblyOptimizeLiveIntervals();
FunctionPass *createWebAssemblyMemIntrinsicResults();
FunctionPass *createWebAssemblyRegStackify(CodeGenOptLevel OptLevel);
FunctionPass *createWebAssemblyRegColoring();
FunctionPass *createWebAssemblyFixBrTableDefaults();
FunctionPass *createWebAssemblyFixIrreducibleControlFlow();
FunctionPass *createWebAssemblyLateEHPrepare();
FunctionPass *createWebAssemblyCFGSort();
FunctionPass *createWebAssemblyCFGStackify();
FunctionPass *createWebAssemblyExplicitLocals();
FunctionPass *createWebAssemblyLowerBrUnless();
FunctionPass *createWebAssemblyRegNumbering();
FunctionPass *createWebAssemblyVecReduce();
FunctionPass *createWebAssemblyDebugFixup();
FunctionPass *createWebAssemblyPeephole();
ModulePass *createWebAssemblyMCLowerPrePass();
 
// PassRegistry initialization declarations.
void initializeFixFunctionBitcastsPass(PassRegistry &);
void initializeOptimizeReturnedPass(PassRegistry &);
void initializeWebAssemblyRefTypeMem2LocalPass(PassRegistry &);
void initializeWebAssemblyAddMissingPrototypesPass(PassRegistry &);
void initializeWebAssemblyArgumentMovePass(PassRegistry &);
void initializeWebAssemblyAsmPrinterPass(PassRegistry &);
void initializeWebAssemblyCleanCodeAfterTrapPass(PassRegistry &);
void initializeWebAssemblyCFGSortPass(PassRegistry &);
void initializeWebAssemblyCFGStackifyPass(PassRegistry &);
void initializeWebAssemblyDAGToDAGISelLegacyPass(PassRegistry &);
void initializeWebAssemblyDebugFixupPass(PassRegistry &);
void initializeWebAssemblyExceptionInfoPass(PassRegistry &);
void initializeWebAssemblyExplicitLocalsPass(PassRegistry &);
void initializeWebAssemblyFixBrTableDefaultsPass(PassRegistry &);
void initializeWebAssemblyFixIrreducibleControlFlowPass(PassRegistry &);
void initializeWebAssemblyLateEHPreparePass(PassRegistry &);
void initializeWebAssemblyLowerBrUnlessPass(PassRegistry &);
void initializeWebAssemblyLowerEmscriptenEHSjLjPass(PassRegistry &);
void initializeWebAssemblyMCLowerPrePassPass(PassRegistry &);
void initializeWebAssemblyMemIntrinsicResultsPass(PassRegistry &);
void initializeWebAssemblyNullifyDebugValueListsPass(PassRegistry &);
void initializeWebAssemblyOptimizeLiveIntervalsPass(PassRegistry &);
void initializeWebAssemblyPeepholePass(PassRegistry &);
void initializeWebAssemblyRegColoringPass(PassRegistry &);
void initializeWebAssemblyRegNumberingPass(PassRegistry &);
void initializeWebAssemblyRegStackifyPass(PassRegistry &);
void initializeWebAssemblyReplacePhysRegsPass(PassRegistry &);
void initializeWebAssemblySetP2AlignOperandsPass(PassRegistry &);
 
namespace WebAssembly {
enum TargetIndex {
  // Followed by a local index (ULEB).
  TI_LOCAL,
  // Followed by an absolute global index (ULEB). DEPRECATED.
  TI_GLOBAL_FIXED,
  // Followed by the index from the bottom of the Wasm stack.
  TI_OPERAND_STACK,
  // Followed by a compilation unit relative global index (uint32_t)
  // that will have an associated relocation.
  TI_GLOBAL_RELOC,
  // Like TI_LOCAL, but indicates an indirect value (e.g. byval arg
  // passed by pointer).
  TI_LOCAL_INDIRECT
};
} // end namespace WebAssembly
 
} // end namespace llvm
 
#endif