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LibJS: Remeber which instruction terminated a block

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This commit is contained in:
Hendiadyoin1 2022-11-26 14:42:36 +01:00 • committed by Ali Mohammad Pur
parent 8c4717fc6e
commit 192897c269
2 changed files with 6 additions and 5 deletions
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7
Userland/Libraries/LibJS/Bytecode/BasicBlock.h
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@ -36,8 +36,9 @@ public:
bool can_grow(size_t additional_size) const { return m_buffer_size + additional_size <= m_buffer_capacity; }
void grow(size_t additional_size);
void terminate(Badge<Generator>) { m_is_terminated = true; }
bool is_terminated() const { return m_is_terminated; }
void terminate(Badge<Generator>, Instruction const* terminator) { m_terminator = terminator; }
bool is_terminated() const { return m_terminator != nullptr; }
Instruction const* terminator() const { return m_terminator; }
String const& name() const { return m_name; }
@ -45,9 +46,9 @@ private:
BasicBlock(String name, size_t size);
u8* m_buffer { nullptr };
Instruction const* m_terminator { nullptr };
size_t m_buffer_capacity { 0 };
size_t m_buffer_size { 0 };
bool m_is_terminated { false };
String m_name;
};

4
Userland/Libraries/LibJS/Bytecode/Generator.h
View file

@ -57,7 +57,7 @@ public:
grow(sizeof(OpType));
new (slot) OpType(forward<Args>(args)...);
if constexpr (OpType::IsTerminator)
m_current_basic_block->terminate({});
m_current_basic_block->terminate({}, static_cast<Instruction const*>(slot));
return *static_cast<OpType*>(slot);
}
@ -76,7 +76,7 @@ public:
grow(size_to_allocate);
new (slot) OpType(forward<Args>(args)...);
if constexpr (OpType::IsTerminator)
m_current_basic_block->terminate({});
m_current_basic_block->terminate({}, static_cast<Instruction const*>(slot));
return *static_cast<OpType*>(slot);
}