xref: /freebsd-src/contrib/llvm-project/llvm/lib/Target/PowerPC/GISel/PPCLegalizerInfo.cpp (revision bdd1243df58e60e85101c09001d9812a789b6bc4)
1e8d8bef9SDimitry Andric //===- PPCLegalizerInfo.h ----------------------------------------*- C++ -*-==//
2e8d8bef9SDimitry Andric //
3e8d8bef9SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4e8d8bef9SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5e8d8bef9SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6e8d8bef9SDimitry Andric //
7e8d8bef9SDimitry Andric //===----------------------------------------------------------------------===//
8e8d8bef9SDimitry Andric /// \file
9e8d8bef9SDimitry Andric /// This file implements the targeting of the Machinelegalizer class for PowerPC
10e8d8bef9SDimitry Andric //===----------------------------------------------------------------------===//
11e8d8bef9SDimitry Andric 
12e8d8bef9SDimitry Andric #include "PPCLegalizerInfo.h"
13e8d8bef9SDimitry Andric #include "llvm/Support/Debug.h"
14e8d8bef9SDimitry Andric 
15e8d8bef9SDimitry Andric #define DEBUG_TYPE "ppc-legalinfo"
16e8d8bef9SDimitry Andric 
17e8d8bef9SDimitry Andric using namespace llvm;
18e8d8bef9SDimitry Andric using namespace LegalizeActions;
19e8d8bef9SDimitry Andric 
20fe6060f1SDimitry Andric PPCLegalizerInfo::PPCLegalizerInfo(const PPCSubtarget &ST) {
21*bdd1243dSDimitry Andric   using namespace TargetOpcode;
22*bdd1243dSDimitry Andric   const LLT P0 = LLT::pointer(0, 64);
23*bdd1243dSDimitry Andric   const LLT S1 = LLT::scalar(1);
24*bdd1243dSDimitry Andric   const LLT S8 = LLT::scalar(8);
25*bdd1243dSDimitry Andric   const LLT S16 = LLT::scalar(16);
26*bdd1243dSDimitry Andric   const LLT S32 = LLT::scalar(32);
27*bdd1243dSDimitry Andric   const LLT S64 = LLT::scalar(64);
28*bdd1243dSDimitry Andric   getActionDefinitionsBuilder(G_IMPLICIT_DEF).legalFor({S64});
29*bdd1243dSDimitry Andric   getActionDefinitionsBuilder(G_CONSTANT)
30*bdd1243dSDimitry Andric       .legalFor({S32, S64})
31*bdd1243dSDimitry Andric       .clampScalar(0, S64, S64);
32*bdd1243dSDimitry Andric   getActionDefinitionsBuilder({G_ZEXT, G_SEXT, G_ANYEXT})
33*bdd1243dSDimitry Andric       .legalForCartesianProduct({S64}, {S1, S8, S16, S32})
34*bdd1243dSDimitry Andric       .clampScalar(0, S64, S64);
35*bdd1243dSDimitry Andric   getActionDefinitionsBuilder({G_AND, G_OR, G_XOR})
36*bdd1243dSDimitry Andric       .legalFor({S64})
37*bdd1243dSDimitry Andric       .clampScalar(0, S64, S64);
38*bdd1243dSDimitry Andric   getActionDefinitionsBuilder({G_ADD, G_SUB})
39*bdd1243dSDimitry Andric       .legalFor({S64})
40*bdd1243dSDimitry Andric       .clampScalar(0, S64, S64);
41*bdd1243dSDimitry Andric 
42*bdd1243dSDimitry Andric   getActionDefinitionsBuilder({G_FADD, G_FSUB, G_FMUL, G_FDIV})
43*bdd1243dSDimitry Andric       .legalFor({S32, S64});
44*bdd1243dSDimitry Andric 
45*bdd1243dSDimitry Andric   getActionDefinitionsBuilder(G_FCMP).legalForCartesianProduct({S1},
46*bdd1243dSDimitry Andric                                                                {S32, S64});
47*bdd1243dSDimitry Andric 
48*bdd1243dSDimitry Andric   getActionDefinitionsBuilder({G_FPTOSI, G_FPTOUI})
49*bdd1243dSDimitry Andric       .legalForCartesianProduct({S64}, {S32, S64});
50*bdd1243dSDimitry Andric 
51*bdd1243dSDimitry Andric   getActionDefinitionsBuilder({G_SITOFP, G_UITOFP})
52*bdd1243dSDimitry Andric       .legalForCartesianProduct({S32, S64}, {S64});
53*bdd1243dSDimitry Andric 
54*bdd1243dSDimitry Andric   getActionDefinitionsBuilder({G_LOAD, G_STORE})
55*bdd1243dSDimitry Andric       .legalForTypesWithMemDesc({{S64, P0, S64, 8}, {S32, P0, S32, 4}});
56*bdd1243dSDimitry Andric 
57fe6060f1SDimitry Andric   getLegacyLegalizerInfo().computeTables();
58fe6060f1SDimitry Andric }
59