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[LANG] Fixed undefined behavior in replace_all_uses_with()

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Philippe Tillet
2020-05-11 12:15:56 -04:00
committed by Philippe Tillet
parent ddd89e1b22
commit 13ff6472e0
4 changed files with 22 additions and 18 deletions
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13
include/triton/ir/value.h
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@@ -20,15 +20,18 @@ class visitor;
//===----------------------------------------------------------------------===//
class value {
public:
typedef std::set<user*> users_t;
public:
// constructor
value(type *ty, const std::string &name = "");
virtual ~value(){ }
// uses
void add_use(user* arg);
unsigned erase_use(user* arg);
users_t::iterator erase_use(user* arg);
const std::set<user*> &get_users() { return users_; }
virtual void replace_all_uses_with(value *target);
void replace_all_uses_with(value *target);
// name
void set_name(const std::string &name);
const std::string &get_name() const { return name_; }
@@ -41,7 +44,7 @@ private:
protected:
type *ty_;
std::set<user*> users_;
users_t users_;
};
//===----------------------------------------------------------------------===//
@@ -63,6 +66,7 @@ public:
user(type *ty, unsigned num_ops, const std::string &name = "")
: value(ty, name), ops_(num_ops), num_ops_(num_ops), num_hidden_(0){
}
virtual ~user() { }
// Operands
const ops_t& ops() { return ops_; }
@@ -74,8 +78,7 @@ public:
unsigned get_num_hidden() const;
// Utils
void replace_all_uses_with(value *target);
void replace_uses_of_with(value *before, value *after);
value::users_t::iterator replace_uses_of_with(value *before, value *after);
private: