slang-ir-dce.h
// slang-ir-dce.h
#pragma once
#include "slang-ir-insts.h"
namespace Slang
{
struct IRModule;
struct IRDeadCodeEliminationOptions
{
bool keepExportsAlive = false;
bool keepLayoutsAlive = false;
};
/// Eliminate "dead" code from the given IR module.
///
/// This pass is primarily designed for flow-insensitive
/// "global" dead code elimination (DCE), such as removing
/// types that are unused, functions that are never called,
/// etc.
/// Returns true if changed.
bool eliminateDeadCode(
IRModule* module,
IRDeadCodeEliminationOptions const& options = IRDeadCodeEliminationOptions());
bool eliminateDeadCode(
IRInst* root,
IRDeadCodeEliminationOptions const& options = IRDeadCodeEliminationOptions());
bool shouldInstBeLiveIfParentIsLive(IRInst* inst, IRDeadCodeEliminationOptions options);
bool isWeakReferenceOperand(IRInst* inst, UInt operandIndex);
}