external/ton
1
0
Fork 0
mirror of https://github.com/ton-blockchain/ton synced 2025-03-09 15:40:10 +00:00
Code Issues Releases Wiki Activity

[FunC] Add pragma remove-unused-functions for simple dead code elimination

Browse source
This commit is contained in:
Aleksandr Kirsanov 2024-05-06 18:36:37 +03:00
parent 0628e17c7d
commit acf0043342
No known key found for this signature in database
GPG key ID: B758BBAA01FFB3D3
4 changed files with 119 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

6
crypto/func/func.h
View file

@ -563,7 +563,7 @@ struct Op {
enum { _Disabled = 1, _NoReturn = 4, _Impure = 24 };
int flags;
std::unique_ptr<Op> next;
SymDef* fun_ref;
SymDef* fun_ref; // despite its name, it may actually ref global var; applicable not only to Op::_Call, but for other kinds also
SrcLocation where;
VarDescrList var_info;
std::vector<VarDescr> args;
@ -806,6 +806,7 @@ struct SymValFunc : SymVal {
struct SymValCodeFunc : SymValFunc {
CodeBlob* code;
bool is_really_used{false}; // calculated via dfs; unused functions are not codegenerated
~SymValCodeFunc() override = default;
SymValCodeFunc(int val, TypeExpr* _ft, bool marked_as_pure) : SymValFunc(val, _ft, marked_as_pure), code(nullptr) {
}
@ -825,6 +826,7 @@ struct SymValType : sym::SymValBase {
struct SymValGlobVar : sym::SymValBase {
TypeExpr* sym_type;
int out_idx{0};
bool is_really_used{false}; // calculated via dfs from used functions; unused globals are not codegenerated
#ifdef FUNC_DEBUG
std::string name; // seeing variable name in debugger makes it much easier to delve into FunC sources
#endif
@ -1788,7 +1790,7 @@ class GlobalPragma {
bool enabled_ = false;
std::vector<SrcLocation> locs_;
};
extern GlobalPragma pragma_allow_post_modification, pragma_compute_asm_ltr;
extern GlobalPragma pragma_allow_post_modification, pragma_compute_asm_ltr, pragma_remove_unused_functions;
/*
*