LLVM  6.0.0svn
MachineCombinerPattern.h
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1 //===-- llvm/CodeGen/MachineCombinerPattern.h - Instruction pattern supported by
2 // combiner ------*- C++ -*-===//
3 //
4 // The LLVM Compiler Infrastructure
5 //
6 // This file is distributed under the University of Illinois Open Source
7 // License. See LICENSE.TXT for details.
8 //
9 //===----------------------------------------------------------------------===//
10 //
11 // This file defines instruction pattern supported by combiner
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_CODEGEN_MACHINECOMBINERPATTERN_H
16 #define LLVM_CODEGEN_MACHINECOMBINERPATTERN_H
17 
18 namespace llvm {
19 
20 /// These are instruction patterns matched by the machine combiner pass.
22  // These are commutative variants for reassociating a computation chain. See
23  // the comments before getMachineCombinerPatterns() in TargetInstrInfo.cpp.
28 
29  // These are multiply-add patterns matched by the AArch64 machine combiner.
42  // Floating Point
77 };
78 
79 } // end namespace llvm
80 
81 #endif
Compute iterated dominance frontiers using a linear time algorithm.
Definition: AllocatorList.h:24
MachineCombinerPattern
These are instruction patterns matched by the machine combiner pass.