1 //===--------------------- InstructionInfoView.h ----------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 /// \file 9 /// 10 /// This file implements the instruction info view. 11 /// 12 /// The goal fo the instruction info view is to print the latency and reciprocal 13 /// throughput information for every instruction in the input sequence. 14 /// This section also reports extra information related to the number of micro 15 /// opcodes, and opcode properties (i.e. 'MayLoad', 'MayStore', 'HasSideEffects) 16 /// 17 /// Example: 18 /// 19 /// Instruction Info: 20 /// [1]: #uOps 21 /// [2]: Latency 22 /// [3]: RThroughput 23 /// [4]: MayLoad 24 /// [5]: MayStore 25 /// [6]: HasSideEffects 26 /// 27 /// [1] [2] [3] [4] [5] [6] Instructions: 28 /// 1 2 1.00 vmulps %xmm0, %xmm1, %xmm2 29 /// 1 3 1.00 vhaddps %xmm2, %xmm2, %xmm3 30 /// 1 3 1.00 vhaddps %xmm3, %xmm3, %xmm4 31 // 32 //===----------------------------------------------------------------------===// 33 34 #ifndef LLVM_TOOLS_LLVM_MCA_INSTRUCTIONINFOVIEW_H 35 #define LLVM_TOOLS_LLVM_MCA_INSTRUCTIONINFOVIEW_H 36 37 #include "Views/View.h" 38 #include "llvm/ADT/ArrayRef.h" 39 #include "llvm/MC/MCInst.h" 40 #include "llvm/MC/MCInstPrinter.h" 41 #include "llvm/MC/MCInstrInfo.h" 42 #include "llvm/MC/MCSubtargetInfo.h" 43 #include "llvm/Support/raw_ostream.h" 44 45 #define DEBUG_TYPE "llvm-mca" 46 47 namespace llvm { 48 namespace mca { 49 50 /// A view that prints out generic instruction information. 51 class InstructionInfoView : public View { 52 const llvm::MCSubtargetInfo &STI; 53 const llvm::MCInstrInfo &MCII; 54 llvm::ArrayRef<llvm::MCInst> Source; 55 llvm::MCInstPrinter &MCIP; 56 57 public: 58 InstructionInfoView(const llvm::MCSubtargetInfo &sti, 59 const llvm::MCInstrInfo &mcii, 60 llvm::ArrayRef<llvm::MCInst> S, llvm::MCInstPrinter &IP) 61 : STI(sti), MCII(mcii), Source(S), MCIP(IP) {} 62 63 void printView(llvm::raw_ostream &OS) const override; 64 }; 65 } // namespace mca 66 } // namespace llvm 67 68 #endif 69