1 //===- PPCLegalizerInfo.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 /// This file implements the targeting of the Machinelegalizer class for PowerPC 10 //===----------------------------------------------------------------------===// 11 12 #include "PPCLegalizerInfo.h" 13 #include "llvm/Support/Debug.h" 14 15 #define DEBUG_TYPE "ppc-legalinfo" 16 17 using namespace llvm; 18 using namespace LegalizeActions; 19 20 PPCLegalizerInfo::PPCLegalizerInfo(const PPCSubtarget &ST) { 21 using namespace TargetOpcode; 22 const LLT P0 = LLT::pointer(0, 64); 23 const LLT S1 = LLT::scalar(1); 24 const LLT S8 = LLT::scalar(8); 25 const LLT S16 = LLT::scalar(16); 26 const LLT S32 = LLT::scalar(32); 27 const LLT S64 = LLT::scalar(64); 28 getActionDefinitionsBuilder(G_IMPLICIT_DEF).legalFor({S64}); 29 getActionDefinitionsBuilder(G_CONSTANT) 30 .legalFor({S32, S64}) 31 .clampScalar(0, S64, S64); 32 getActionDefinitionsBuilder({G_ZEXT, G_SEXT, G_ANYEXT}) 33 .legalForCartesianProduct({S64}, {S1, S8, S16, S32}) 34 .clampScalar(0, S64, S64); 35 getActionDefinitionsBuilder({G_AND, G_OR, G_XOR}) 36 .legalFor({S64}) 37 .clampScalar(0, S64, S64); 38 getActionDefinitionsBuilder({G_ADD, G_SUB}) 39 .legalFor({S64}) 40 .clampScalar(0, S64, S64); 41 42 getActionDefinitionsBuilder({G_FADD, G_FSUB, G_FMUL, G_FDIV}) 43 .legalFor({S32, S64}); 44 45 getActionDefinitionsBuilder(G_FCMP).legalForCartesianProduct({S1}, 46 {S32, S64}); 47 48 getActionDefinitionsBuilder({G_FPTOSI, G_FPTOUI}) 49 .legalForCartesianProduct({S64}, {S32, S64}); 50 51 getActionDefinitionsBuilder({G_SITOFP, G_UITOFP}) 52 .legalForCartesianProduct({S32, S64}, {S64}); 53 54 getActionDefinitionsBuilder({G_LOAD, G_STORE}) 55 .legalForTypesWithMemDesc({{S64, P0, S64, 8}, {S32, P0, S32, 4}}); 56 57 getLegacyLegalizerInfo().computeTables(); 58 } 59