diff options
Diffstat (limited to 'src/passes/param-utils.h')
| -rw-r--r-- | src/passes/param-utils.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/passes/param-utils.h b/src/passes/param-utils.h index 9bfbf1aec..10645b230 100644 --- a/src/passes/param-utils.h +++ b/src/passes/param-utils.h @@ -58,7 +58,7 @@ std::unordered_set<Index> getUsedParams(Function* func); // use cases are either to send a single function, or to send a set of functions // that all have the same heap type (and so if they all do not use some // parameter, it can be removed from them all). -bool removeParameter(const std::vector<Function*> funcs, +bool removeParameter(const std::vector<Function*>& funcs, Index index, const std::vector<Call*>& calls, const std::vector<CallRef*>& callRefs, @@ -67,13 +67,25 @@ bool removeParameter(const std::vector<Function*> funcs, // The same as removeParameter, but gets a sorted list of indexes. It tries to // remove them all, and returns which we removed. -SortedVector removeParameters(const std::vector<Function*> funcs, +SortedVector removeParameters(const std::vector<Function*>& funcs, SortedVector indexes, const std::vector<Call*>& calls, const std::vector<CallRef*>& callRefs, Module* module, PassRunner* runner); +// Given a set of functions and the calls and call_refs that reach them, find +// which parameters are passed the same constant value in all the calls. For +// each such parameter, apply it inside the function, that is, do a local.set of +// that value in the function. The parameter's incoming value is then ignored, +// which allows other optimizations to remove it. +// +// Returns the indexes that were optimized. +SortedVector applyConstantValues(const std::vector<Function*>& funcs, + const std::vector<Call*>& calls, + const std::vector<CallRef*>& callRefs, + Module* module); + } // namespace wasm::ParamUtils #endif // wasm_ir_function_h |