impala::SubExprElimination Class Reference

#include <subexpr-elimination.h>

Collaboration diagram for impala::SubExprElimination:

Public Member Functions
	SubExprElimination (LlvmCodeGen *codegen)
bool	Run (llvm::Function *function)
	Perform subexpr elimination on function. More...

Private Attributes
LlvmCodeGen *	codegen_
	Parent codegen object. More...

Detailed Description

Optimization pass to remove redundant exprs. TODO: make this into a llvm function pass (i.e. implement FunctionPass interface).

Definition at line 26 of file subexpr-elimination.h.

Constructor & Destructor Documentation

SubExprElimination::SubExprElimination

(

LlvmCodeGen *

codegen

)

Definition at line 41 of file subexpr-elimination.cc.

Member Function Documentation

bool SubExprElimination::Run

(

llvm::Function *

function

)

Perform subexpr elimination on function.

Definition at line 126 of file subexpr-elimination.cc.

References codegen_, impala::LlvmCodeGen::InlineCallSites(), CachedExprResult::is_null_value, impala::LlvmCodeGen::registered_exprs_, and CachedExprResult::result.

Member Data Documentation

LlvmCodeGen* impala::SubExprElimination::codegen_

private

Parent codegen object.

Definition at line 35 of file subexpr-elimination.h.

Referenced by Run().

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

• be/src/codegen/subexpr-elimination.h
• be/src/codegen/subexpr-elimination.cc