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