analysis::VariableUsagePass Class Reference

#include <llvmexpr/analysis/passes/VariableUsagePass.hpp>

Inheritance diagram for analysis::VariableUsagePass:

Collaboration diagram for analysis::VariableUsagePass:

Public Member Functions
VariableUsageResult	run (const std::vector< Token > &tokens, AnalysisManager &am) override
const char *	getName () const override
Public Member Functions inherited from analysis::Pass
	Pass ()=default
virtual	~Pass ()=default
	Pass (const Pass &)=delete
Pass &	operator= (const Pass &)=delete
	Pass (Pass &&)=delete
Pass &	operator= (Pass &&)=delete

Additional Inherited Members
Public Types inherited from analysis::AnalysisPass< VariableUsagePass, VariableUsageResult >
using	Result

Detailed Description

Analyzes the expression to find all declared and used variables. Collects:

• A set of all unique variable names used in the expression. This information is used by the IR generator to pre-allocate stack space for all variables at the beginning of the function. Depends on: None

Definition at line 42 of file VariableUsagePass.hpp.

Member Function Documentation

getName()

const char * analysis::VariableUsagePass::getName ( ) const

inlinenodiscardoverridevirtual

Implements analysis::Pass.

Definition at line 48 of file VariableUsagePass.hpp.

                                                       {
        return "VariableUsagePass";
    }

run()

VariableUsageResult analysis::VariableUsagePass::run ( const std::vector< Token > & tokens, AnalysisManager & am )

overridevirtual

Implements analysis::AnalysisPass< VariableUsagePass, VariableUsageResult >.

Definition at line 27 of file VariableUsagePass.cpp.

                                                             {
    VariableUsageResult result;
    for (const auto& token : tokens) {
        if (token.type == TokenType::VarStore ||
            token.type == TokenType::VarLoad) {
            const auto& payload = std::get<TokenPayloadVar>(token.payload);
            result.all_vars.insert(payload.name);
        }
    }
    return result;
}

References analysis::VariableUsageResult::all_vars, VarLoad, and VarStore.

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The documentation for this class was generated from the following files:

• llvmexpr/analysis/passes/VariableUsagePass.hpp
• llvmexpr/analysis/passes/VariableUsagePass.cpp