diff options
Diffstat (limited to 'CommonSubexpressionEliminator.h')
| -rw-r--r-- | CommonSubexpressionEliminator.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/CommonSubexpressionEliminator.h b/CommonSubexpressionEliminator.h index 2ed92640..6e1ba40b 100644 --- a/CommonSubexpressionEliminator.h +++ b/CommonSubexpressionEliminator.h @@ -61,7 +61,7 @@ public: using Id = ExpressionClasses::Id; using StoreOperation = KnownState::StoreOperation; - CommonSubexpressionEliminator(KnownState const& _state): m_state(_state) {} + CommonSubexpressionEliminator(KnownState const& _state): m_initialState(_state), m_state(_state) {} /// Feeds AssemblyItems into the eliminator and @returns the iterator pointing at the first /// item that must be fed into a new instance of the eliminator. @@ -85,6 +85,7 @@ private: /// Tries to optimize the item that breaks the basic block at the end. void optimizeBreakingItem(); + KnownState m_initialState; KnownState m_state; /// Keeps information about which storage or memory slots were written to at which sequence /// number with what instruction. @@ -115,6 +116,7 @@ public: /// @param _targetStackContents final contents of the stack, by stack height relative to initial /// @note should only be called once on each object. AssemblyItems generateCode( + int _initialStackHeight, std::map<int, Id> const& _initialStack, std::map<int, Id> const& _targetStackContents ); @@ -150,7 +152,7 @@ private: AssemblyItems m_generatedItems; /// Current height of the stack relative to the start. - int m_stackHeight = 0; + int m_stackHeight; /// If (b, a) is in m_requests then b is needed to compute a. std::multimap<Id, Id> m_neededBy; /// Current content of the stack. |