Differential D22847 Diff 65860 include/llvm/Transforms/Coroutines.h

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				//===-- Coroutines.h - Coroutine Transformations ----------------- C++ --===//
				//
				// The LLVM Compiler Infrastructure
				//
				// This file is distributed under the University of Illinois Open Source
				// License. See LICENSE.TXT for details.
				//
				//===----------------------------------------------------------------------===//
				// Declare accessor functions for coroutine lowering passes.
				//===----------------------------------------------------------------------===//

				#ifndef LLVM_TRANSFORMS_COROUTINES_H
				#define LLVM_TRANSFORMS_COROUTINES_H

				namespace llvm {

				class Pass;
				class PassManagerBuilder;

				/// Add all coroutine passes to appropriate extension points.
				void addCoroutinePassesToExtensionPoints(PassManagerBuilder &Builder);

				/// Lower coroutine intrinsics that are not needed by later passes.
				Pass *createCoroEarlyPass();

				/// Split up coroutines into multiple functions driving their state machines.
				Pass *createCoroSplitPass();

				/// Analyze coroutines use sites, devirtualize resume/destroy calls and elide
				/// heap allocation for coroutine frame where possible.
				Pass *createCoroElidePass();

				/// Lower all remaining coroutine intrinsics.
				Pass *createCoroCleanupPass();

				}

				#endif