1 //===-- WebAssembly.h - Top-level interface for WebAssembly ----*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 /// 9 /// \file 10 /// This file contains the entry points for global functions defined in 11 /// the LLVM WebAssembly back-end. 12 /// 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLY_H 16 #define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLY_H 17 18 #include "llvm/PassRegistry.h" 19 #include "llvm/Support/CodeGen.h" 20 21 namespace llvm { 22 23 class WebAssemblyTargetMachine; 24 class ModulePass; 25 class FunctionPass; 26 27 // LLVM IR passes. 28 ModulePass *createWebAssemblyLowerEmscriptenEHSjLj(bool EnableEH, 29 bool EnableSjLj); 30 ModulePass *createWebAssemblyLowerGlobalDtors(); 31 ModulePass *createWebAssemblyAddMissingPrototypes(); 32 ModulePass *createWebAssemblyFixFunctionBitcasts(); 33 FunctionPass *createWebAssemblyOptimizeReturned(); 34 35 // ISel and immediate followup passes. 36 FunctionPass *createWebAssemblyISelDag(WebAssemblyTargetMachine &TM, 37 CodeGenOpt::Level OptLevel); 38 FunctionPass *createWebAssemblyArgumentMove(); 39 FunctionPass *createWebAssemblySetP2AlignOperands(); 40 41 // Late passes. 42 FunctionPass *createWebAssemblyReplacePhysRegs(); 43 FunctionPass *createWebAssemblyNullifyDebugValueLists(); 44 FunctionPass *createWebAssemblyPrepareForLiveIntervals(); 45 FunctionPass *createWebAssemblyOptimizeLiveIntervals(); 46 FunctionPass *createWebAssemblyMemIntrinsicResults(); 47 FunctionPass *createWebAssemblyRegStackify(); 48 FunctionPass *createWebAssemblyRegColoring(); 49 FunctionPass *createWebAssemblyFixBrTableDefaults(); 50 FunctionPass *createWebAssemblyFixIrreducibleControlFlow(); 51 FunctionPass *createWebAssemblyLateEHPrepare(); 52 FunctionPass *createWebAssemblyCFGSort(); 53 FunctionPass *createWebAssemblyCFGStackify(); 54 FunctionPass *createWebAssemblyExplicitLocals(); 55 FunctionPass *createWebAssemblyLowerBrUnless(); 56 FunctionPass *createWebAssemblyRegNumbering(); 57 FunctionPass *createWebAssemblyDebugFixup(); 58 FunctionPass *createWebAssemblyPeephole(); 59 FunctionPass *createWebAssemblyMCLowerPrePass(); 60 61 // PassRegistry initialization declarations. 62 void initializeWebAssemblyAddMissingPrototypesPass(PassRegistry &); 63 void initializeWebAssemblyLowerEmscriptenEHSjLjPass(PassRegistry &); 64 void initializeLowerGlobalDtorsPass(PassRegistry &); 65 void initializeFixFunctionBitcastsPass(PassRegistry &); 66 void initializeOptimizeReturnedPass(PassRegistry &); 67 void initializeWebAssemblyArgumentMovePass(PassRegistry &); 68 void initializeWebAssemblySetP2AlignOperandsPass(PassRegistry &); 69 void initializeWebAssemblyReplacePhysRegsPass(PassRegistry &); 70 void initializeWebAssemblyNullifyDebugValueListsPass(PassRegistry &); 71 void initializeWebAssemblyPrepareForLiveIntervalsPass(PassRegistry &); 72 void initializeWebAssemblyOptimizeLiveIntervalsPass(PassRegistry &); 73 void initializeWebAssemblyMemIntrinsicResultsPass(PassRegistry &); 74 void initializeWebAssemblyRegStackifyPass(PassRegistry &); 75 void initializeWebAssemblyRegColoringPass(PassRegistry &); 76 void initializeWebAssemblyFixBrTableDefaultsPass(PassRegistry &); 77 void initializeWebAssemblyFixIrreducibleControlFlowPass(PassRegistry &); 78 void initializeWebAssemblyLateEHPreparePass(PassRegistry &); 79 void initializeWebAssemblyExceptionInfoPass(PassRegistry &); 80 void initializeWebAssemblyCFGSortPass(PassRegistry &); 81 void initializeWebAssemblyCFGStackifyPass(PassRegistry &); 82 void initializeWebAssemblyExplicitLocalsPass(PassRegistry &); 83 void initializeWebAssemblyLowerBrUnlessPass(PassRegistry &); 84 void initializeWebAssemblyRegNumberingPass(PassRegistry &); 85 void initializeWebAssemblyDebugFixupPass(PassRegistry &); 86 void initializeWebAssemblyPeepholePass(PassRegistry &); 87 void initializeWebAssemblyMCLowerPrePassPass(PassRegistry &); 88 89 namespace WebAssembly { 90 enum TargetIndex { 91 // Followed by a local index (ULEB). 92 TI_LOCAL, 93 // Followed by an absolute global index (ULEB). DEPRECATED. 94 TI_GLOBAL_FIXED, 95 // Followed by the index from the bottom of the Wasm stack. 96 TI_OPERAND_STACK, 97 // Followed by a compilation unit relative global index (uint32_t) 98 // that will have an associated relocation. 99 TI_GLOBAL_RELOC, 100 // Like TI_LOCAL, but indicates an indirect value (e.g. byval arg 101 // passed by pointer). 102 TI_LOCAL_INDIRECT 103 }; 104 } // end namespace WebAssembly 105 106 } // end namespace llvm 107 108 #endif 109