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47 lines
1.9 KiB
C++
47 lines
1.9 KiB
C++
//===-- CodeGen/MachineInstBundle.h - MI bundle utilities -------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file provide utility functions to manipulate machine instruction
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// bundles.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_MACHINEINSTRBUNDLE_H
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#define LLVM_CODEGEN_MACHINEINSTRBUNDLE_H
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#include "llvm/CodeGen/MachineBasicBlock.h"
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namespace llvm {
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/// finalizeBundle - Finalize a machine instruction bundle which includes
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/// a sequence of instructions starting from FirstMI to LastMI (exclusive).
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/// This routine adds a BUNDLE instruction to represent the bundle, it adds
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/// IsInternalRead markers to MachineOperands which are defined inside the
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/// bundle, and it copies externally visible defs and uses to the BUNDLE
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/// instruction.
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void finalizeBundle(MachineBasicBlock &MBB,
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MachineBasicBlock::instr_iterator FirstMI,
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MachineBasicBlock::instr_iterator LastMI);
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/// finalizeBundle - Same functionality as the previous finalizeBundle except
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/// the last instruction in the bundle is not provided as an input. This is
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/// used in cases where bundles are pre-determined by marking instructions
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/// with 'InsideBundle' marker. It returns the MBB instruction iterator that
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/// points to the end of the bundle.
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MachineBasicBlock::instr_iterator finalizeBundle(MachineBasicBlock &MBB,
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MachineBasicBlock::instr_iterator FirstMI);
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/// finalizeBundles - Finalize instruction bundles in the specified
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/// MachineFunction. Return true if any bundles are finalized.
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bool finalizeBundles(MachineFunction &MF);
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} // End llvm namespace
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#endif
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