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905fd37b98
This change is needed because we new consider index_addr as address projection in Projection.h
66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
//===--- InstructionUtils.h - Utilities for SIL instructions ----*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_SIL_INSTRUCTIONUTILS_H
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#define SWIFT_SIL_INSTRUCTIONUTILS_H
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#include "swift/SIL/SILInstruction.h"
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namespace swift {
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/// Strip off casts/indexing insts/address projections from V until there is
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/// nothing left to strip.
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SILValue getUnderlyingObject(SILValue V);
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SILValue stripSinglePredecessorArgs(SILValue V);
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/// Return the underlying SILValue after stripping off all casts from the
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/// current SILValue.
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SILValue stripCasts(SILValue V);
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/// Return the underlying SILValue after stripping off all upcasts from the
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/// current SILValue.
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SILValue stripUpCasts(SILValue V);
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/// Return the underlying SILValue after stripping off all
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/// upcasts and downcasts.
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SILValue stripClassCasts(SILValue V);
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/// Return the underlying SILValue after stripping off all address projection
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/// instructions.
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SILValue stripAddressProjections(SILValue V);
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/// Return the underlying SILValue after stripping off all address projection
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/// instructions which have a single operand.
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SILValue stripUnaryAddressProjections(SILValue V);
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/// Return the underlying SILValue after stripping off all aggregate projection
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/// instructions.
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///
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/// An aggregate projection instruction is either a struct_extract or a
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/// tuple_extract instruction.
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SILValue stripValueProjections(SILValue V);
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/// Return the underlying SILValue after stripping off all indexing
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/// instructions.
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///
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/// An indexing inst is either index_addr or index_raw_pointer.
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SILValue stripIndexingInsts(SILValue V);
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/// Returns the underlying value after stripping off a builtin expect
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/// intrinsic call.
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SILValue stripExpectIntrinsic(SILValue V);
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} // end namespace swift
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#endif
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