binaryen 0.24.0 · OCaml Package

type t

val alignment_lowering : t

lower unaligned loads and stores to smaller aligned ones

val asyncify : t

async/await style transform, allowing pausing and resuming

val avoid_reinterprets : t

Tries to avoid reinterpret operations via more loads

val dae : t

removes arguments to calls in an lto-like manner

val dae_optimizing : t

removes arguments to calls in an lto-like manner, and optimizes where we removed

val abstract_type_refining : t

refine and merge abstract (never-created) types

val coalesce_locals : t

reduce # of locals by coalescing

val coalesce_locals_learning : t

reduce # of locals by coalescing and learning

val code_pushing : t

push code forward, potentially making it not always execute

val code_folding : t

fold code, merging duplicates

val const_hoisting : t

hoist repeated constants to a local

val cfp : t

propagate constant struct field values

val dce : t

removes unreachable code

val dealign : t

forces all loads and stores to have alignment 1

val denan : t

instrument the wasm to convert NaNs into 0 at runtime

val directize : t

turns indirect calls into direct ones

val discard_global_effects : t

discards global effect info

val dfo : t

optimizes using the DataFlow SSA IR

val dwarfdump : t

dump DWARF debug info sections from the read binary

val duplicate_import_elimination : t

removes duplicate imports

val duplicate_function_elimination : t

removes duplicate functions

val emit_target_features : t

emit the target features section in the output

val extract_function : t

leaves just one function (useful for debugging)

val extract_function_index : t

leaves just one function selected by index

val flatten : t

flattens out code, removing nesting

val fpcast_emu : t

emulates function pointer casts, allowing incorrect indirect calls to (sometimes) work

val func_metrics : t

reports function metrics

val generate_dyncalls : t

generate dynCall fuctions used by emscripten ABI

val generate_i64_dyncalls : t

generate dynCall functions used by emscripten ABI, but only for functions with i64 in their signature (which cannot be invoked via the wasm table without JavaScript BigInt support).

val generate_global_effects : t

generate global effect info (helps later passes)

val generate_stack_ir : t

generate Stack IR

val global_refining : t

refine the types of globals

val gsi : t

globally optimize struct values

val gto : t

globally optimize GC types

val gufa : t

Grand Unified Flow Analysis: optimize the entire program using information about what content can actually appear in each location

val gufa_optimizing : t

GUFA plus local optimizations in functions we modified

val type_refining : t

apply more specific subtypes to type fields where possible

val heap2local : t

replace GC allocations with locals

val inline_main : t

inline __original_main into main

val inlining : t

inline functions (you probably want inlining-optimizing)

val inlining_optimizing : t

inline functions and optimizes where we inlined

val intrinsic_lowering : t

lower away binaryen intrinsics

val jspi : t

wrap imports and exports for JavaScript promise integration

val legalize_js_interface : t

legalizes i64 types on the import/export boundary

val legalize_js_interface_minimally : t

legalizes i64 types on the import/export boundary in a minimal manner, only on things only JS will call

val local_cse : t

common subexpression elimination inside basic blocks

val local_subtyping : t

apply more specific subtypes to locals where possible

val log_execution : t

instrument the build with logging of where execution goes

val i64_to_i32_lowering : t

lower all uses of i64s to use i32s instead

val instrument_locals : t

instrument the build with code to intercept all loads and stores

val instrument_memory : t

instrument the build with code to intercept all loads and stores

val licm : t

loop invariant code motion

val limit_segments : t

attempt to merge segments to fit within web limits

val memory64_lowering : t

lower loads and stores to a 64-bit memory to instead use a 32-bit one

val memory_packing : t

packs memory into separate segments, skipping zeros

val merge_blocks : t

merges blocks to their parents

val merge_similar_functions : t

merges similar functions when benefical

val merge_locals : t

merges locals when beneficial

val metrics : t

reports metrics

val minify_imports : t

minifies import names (only those, and not export names), and emits a mapping to the minified ones

val minify_imports_and_exports : t

minifies both import and export names, and emits a mapping to the minified ones

val minify_imports_and_exports_and_modules : t

minifies both import and export names, and emits a mapping to the minified ones, and minifies the modules as well

val mod_asyncify_always_and_only_unwind : t

apply the assumption that asyncify imports always unwind, and we never rewind

val mod_asyncify_never_unwind : t

apply the assumption that asyncify never unwinds

val monomorphize : t

creates specialized versions of functions

val monomorphize_always : t

creates specialized versions of functions (even if unhelpful)

val multi_memory_lowering : t

combines multiple memories into a single memory

val multi_memory_lowering_with_bounds_checks : t

combines multiple memories into a single memory, trapping if the read or write is larger than the length of the memory's data

val nm : t

name list

val name_types : t

(re)name all heap types

val once_reduction : t

reduces calls to code that only runs once

val optimize_added_constants : t

optimizes added constants into load/store offsets

val optimize_added_constants_propagate : t

optimizes added constants into load/store offsets, propagating them across locals too

val optimize_casts : t

eliminate and reuse casts

val optimize_instructions : t

optimizes instruction combinations

val optimize_stack_ir : t

optimize Stack IR

val pick_load_signs : t

pick load signs based on their uses

val poppify : t

Tranform Binaryen IR into Poppy IR

val post_emscripten : t

miscellaneous optimizations for Emscripten-generated code

val optimize_for_js : t

early optimize of the instruction combinations for js

val precompute : t

computes compile-time evaluatable expressions

val precompute_propagate : t

computes compile-time evaluatable expressions and propagates them through locals

val print : t

print in s-expression format

val print_minified : t

print in minified s-expression format

val print_features : t

print options for enabled features

val print_full : t

print in full s-expression format

val print_call_graph : t

print call graph

val print_function_map : t

print a map of function indexes to names

val symbolmap : t

alias for print_function_map

val print_stack_ir : t

print out Stack IR (useful for internal debugging)

val remove_non_js_ops : t

removes operations incompatible with js

val remove_imports : t

removes imports and replaces them with nops

val remove_memory : t

removes memory segments

val remove_unused_brs : t

removes breaks from locations that are not needed

val remove_unused_module_elements : t

removes unused module elements

val remove_unused_nonfunction_module_elements : t

removes unused module elements that are not functions

val remove_unused_names : t

removes names from locations that are never branched to

val remove_unused_types : t

remove unused private GC types

val reorder_functions : t

sorts functions by access frequency

val reorder_globals : t

sorts globals by access frequency

val reorder_globals_always : t

sorts globals by access frequency (even if there are few)

val reorder_locals : t

sorts locals by access frequency

val rereloop : t

re-optimize control flow using the relooper algorithm

val rse : t

remove redundant local.sets

val roundtrip : t

write the module to binary, then read it

val safe_heap : t

instrument loads and stores to check for invalid behavior

val set_globals : t

sets specified globals to specified values

val signature_pruning : t

remove params from function signature types where possible

val signature_refining : t

apply more specific subtypes to signature types where possible

val signext_lowering : t

lower sign-ext operations to wasm mvp

val simplify_globals : t

miscellaneous globals-related optimizations

val simplify_globals_optimizing : t

miscellaneous globals-related optimizations, and optimizes where we replaced global.gets with constants

val simplify_locals : t

miscellaneous locals-related optimizations

val simplify_locals_nonesting : t

miscellaneous locals-related optimizations (no nesting at all; preserves flatness)

val simplify_locals_notee : t

miscellaneous locals-related optimizations (no tees)

val simplify_locals_nostructure : t

miscellaneous locals-related optimizations (no structure)

val simplify_locals_notee_nostructure : t

miscellaneous locals-related optimizations (no tees or structure)

val souperify : t

emit Souper IR in text form

val souperify_single_use : t

emit Souper IR in text form (single-use nodes only)

val spill_pointers : t

spill pointers to the C stack (useful for Boehm-style GC)

val stub_unsupported_js : t

stub out unsupported JS operations

val ssa : t

ssa-ify variables so that they have a single assignment

val ssa_nomerge : t

ssa-ify variables so that they have a single assignment, ignoring merges

val strip : t

deprecated; same as strip-debug

val stack_check : t

enforce limits on llvm's __stack_pointer global

val strip_debug : t

strip debug info (including the names section)

val strip_dwarf : t

strip dwarf debug info

val strip_producers : t

strip the wasm producers section

val strip_eh : t

strip EH instructions

val strip_target_features : t

strip the wasm target features section

val trap_mode_clamp : t

replace trapping operations with clamping semantics

val trap_mode_js : t

replace trapping operations with js semantics

val type_merging : t

merge types to their supertypes where possible

val type_ssa : t

create new nominal types to help other optimizations

val untee : t

removes local.tees, replacing them with sets and gets

val vacuum : t

removes obviously unneeded code

package binaryen