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
PPCLegalizerInfo(const PPCSubtarget & ST)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