613 lines
23 KiB
C++
613 lines
23 KiB
C++
//===- X86LegalizerInfo.cpp --------------------------------------*- C++ -*-==//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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/// \file
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/// This file implements the targeting of the Machinelegalizer class for X86.
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/// \todo This should be generated by TableGen.
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//===----------------------------------------------------------------------===//
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#include "X86LegalizerInfo.h"
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#include "X86Subtarget.h"
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#include "X86TargetMachine.h"
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#include "llvm/CodeGen/GlobalISel/LegalizerHelper.h"
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#include "llvm/CodeGen/TargetOpcodes.h"
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#include "llvm/CodeGen/ValueTypes.h"
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#include "llvm/IR/DerivedTypes.h"
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#include "llvm/IR/Type.h"
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using namespace llvm;
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using namespace TargetOpcode;
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using namespace LegalizeActions;
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using namespace LegalityPredicates;
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/// FIXME: The following static functions are SizeChangeStrategy functions
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/// that are meant to temporarily mimic the behaviour of the old legalization
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/// based on doubling/halving non-legal types as closely as possible. This is
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/// not entirly possible as only legalizing the types that are exactly a power
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/// of 2 times the size of the legal types would require specifying all those
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/// sizes explicitly.
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/// In practice, not specifying those isn't a problem, and the below functions
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/// should disappear quickly as we add support for legalizing non-power-of-2
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/// sized types further.
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static void addAndInterleaveWithUnsupported(
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LegacyLegalizerInfo::SizeAndActionsVec &result,
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const LegacyLegalizerInfo::SizeAndActionsVec &v) {
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for (unsigned i = 0; i < v.size(); ++i) {
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result.push_back(v[i]);
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if (i + 1 < v[i].first && i + 1 < v.size() &&
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v[i + 1].first != v[i].first + 1)
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result.push_back({v[i].first + 1, LegacyLegalizeActions::Unsupported});
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}
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}
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static LegacyLegalizerInfo::SizeAndActionsVec
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widen_1(const LegacyLegalizerInfo::SizeAndActionsVec &v) {
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assert(v.size() >= 1);
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assert(v[0].first > 1);
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LegacyLegalizerInfo::SizeAndActionsVec result = {
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{1, LegacyLegalizeActions::WidenScalar},
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{2, LegacyLegalizeActions::Unsupported}};
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addAndInterleaveWithUnsupported(result, v);
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auto Largest = result.back().first;
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result.push_back({Largest + 1, LegacyLegalizeActions::Unsupported});
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return result;
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}
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X86LegalizerInfo::X86LegalizerInfo(const X86Subtarget &STI,
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const X86TargetMachine &TM)
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: Subtarget(STI), TM(TM) {
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bool Is64Bit = Subtarget.is64Bit();
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bool HasSSE1 = Subtarget.hasSSE1();
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bool HasSSE2 = Subtarget.hasSSE2();
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bool HasSSE41 = Subtarget.hasSSE41();
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bool HasAVX = Subtarget.hasAVX();
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bool HasAVX2 = Subtarget.hasAVX2();
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bool HasAVX512 = Subtarget.hasAVX512();
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bool HasVLX = Subtarget.hasVLX();
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bool HasDQI = Subtarget.hasAVX512() && Subtarget.hasDQI();
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bool HasBWI = Subtarget.hasAVX512() && Subtarget.hasBWI();
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const LLT p0 = LLT::pointer(0, TM.getPointerSizeInBits(0));
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const LLT s1 = LLT::scalar(1);
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const LLT s8 = LLT::scalar(8);
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const LLT s16 = LLT::scalar(16);
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const LLT s32 = LLT::scalar(32);
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const LLT s64 = LLT::scalar(64);
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const LLT s128 = LLT::scalar(128);
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const LLT sMaxScalar = Subtarget.is64Bit() ? s64 : s32;
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const LLT v16s8 = LLT::fixed_vector(16, 8);
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const LLT v8s16 = LLT::fixed_vector(8, 16);
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const LLT v4s32 = LLT::fixed_vector(4, 32);
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const LLT v2s64 = LLT::fixed_vector(2, 64);
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const LLT v32s8 = LLT::fixed_vector(32, 8);
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const LLT v16s16 = LLT::fixed_vector(16, 16);
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const LLT v8s32 = LLT::fixed_vector(8, 32);
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const LLT v4s64 = LLT::fixed_vector(4, 64);
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const LLT v64s8 = LLT::fixed_vector(64, 8);
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const LLT v32s16 = LLT::fixed_vector(32, 16);
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const LLT v16s32 = LLT::fixed_vector(16, 32);
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const LLT v8s64 = LLT::fixed_vector(8, 64);
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// implicit/constants
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getActionDefinitionsBuilder(G_IMPLICIT_DEF)
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.legalIf([=](const LegalityQuery &Query) -> bool {
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// 32/64-bits needs support for s64/s128 to handle cases:
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// s64 = EXTEND (G_IMPLICIT_DEF s32) -> s64 = G_IMPLICIT_DEF
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// s128 = EXTEND (G_IMPLICIT_DEF s32/s64) -> s128 = G_IMPLICIT_DEF
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return typeInSet(0, {p0, s1, s8, s16, s32, s64})(Query) ||
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(Is64Bit && typeInSet(0, {s128})(Query));
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});
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getActionDefinitionsBuilder(G_CONSTANT)
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.legalIf([=](const LegalityQuery &Query) -> bool {
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return typeInSet(0, {p0, s8, s16, s32})(Query) ||
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(Is64Bit && typeInSet(0, {s64})(Query));
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})
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.widenScalarToNextPow2(0, /*Min=*/8)
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.clampScalar(0, s8, sMaxScalar);
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// integer addition/subtraction
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getActionDefinitionsBuilder({G_ADD, G_SUB})
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.legalIf([=](const LegalityQuery &Query) -> bool {
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if (typeInSet(0, {s8, s16, s32})(Query))
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return true;
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if (Is64Bit && typeInSet(0, {s64})(Query))
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return true;
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if (HasSSE2 && typeInSet(0, {v16s8, v8s16, v4s32, v2s64})(Query))
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return true;
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if (HasAVX2 && typeInSet(0, {v32s8, v16s16, v8s32, v4s64})(Query))
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return true;
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if (HasAVX512 && typeInSet(0, {v16s32, v8s64})(Query))
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return true;
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if (HasBWI && typeInSet(0, {v64s8, v32s16})(Query))
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return true;
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return false;
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})
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.clampMinNumElements(0, s8, 16)
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.clampMinNumElements(0, s16, 8)
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.clampMinNumElements(0, s32, 4)
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.clampMinNumElements(0, s64, 2)
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.clampMaxNumElements(0, s8, HasBWI ? 64 : (HasAVX2 ? 32 : 16))
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.clampMaxNumElements(0, s16, HasBWI ? 32 : (HasAVX2 ? 16 : 8))
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.clampMaxNumElements(0, s32, HasAVX512 ? 16 : (HasAVX2 ? 8 : 4))
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.clampMaxNumElements(0, s64, HasAVX512 ? 8 : (HasAVX2 ? 4 : 2))
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.widenScalarToNextPow2(0, /*Min=*/32)
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.clampScalar(0, s8, sMaxScalar)
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.scalarize(0);
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// integer multiply
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getActionDefinitionsBuilder(G_MUL)
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.legalIf([=](const LegalityQuery &Query) -> bool {
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if (typeInSet(0, {s8, s16, s32})(Query))
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return true;
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if (Is64Bit && typeInSet(0, {s64})(Query))
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return true;
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if (HasSSE2 && typeInSet(0, {v8s16})(Query))
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return true;
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if (HasSSE41 && typeInSet(0, {v4s32})(Query))
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return true;
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if (HasAVX2 && typeInSet(0, {v16s16, v8s32})(Query))
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return true;
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if (HasAVX512 && typeInSet(0, {v16s32})(Query))
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return true;
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if (HasDQI && typeInSet(0, {v8s64})(Query))
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return true;
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if (HasDQI && HasVLX && typeInSet(0, {v2s64, v4s64})(Query))
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return true;
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if (HasBWI && typeInSet(0, {v32s16})(Query))
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return true;
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return false;
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})
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.clampMinNumElements(0, s16, 8)
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.clampMinNumElements(0, s32, 4)
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.clampMinNumElements(0, s64, HasVLX ? 2 : 8)
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.clampMaxNumElements(0, s16, HasBWI ? 32 : (HasAVX2 ? 16 : 8))
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.clampMaxNumElements(0, s32, HasAVX512 ? 16 : (HasAVX2 ? 8 : 4))
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.clampMaxNumElements(0, s64, 8)
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.widenScalarToNextPow2(0, /*Min=*/32)
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.clampScalar(0, s8, sMaxScalar)
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.scalarize(0);
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// integer divisions
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getActionDefinitionsBuilder({G_SDIV, G_SREM, G_UDIV, G_UREM})
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.legalIf([=](const LegalityQuery &Query) -> bool {
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return typeInSet(0, {s8, s16, s32})(Query) ||
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(Is64Bit && typeInSet(0, {s64})(Query));
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})
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.clampScalar(0, s8, sMaxScalar);
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// integer shifts
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getActionDefinitionsBuilder({G_SHL, G_LSHR, G_ASHR})
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.legalIf([=](const LegalityQuery &Query) -> bool {
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return typePairInSet(0, 1, {{s8, s8}, {s16, s8}, {s32, s8}})(Query) ||
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(Is64Bit && typePairInSet(0, 1, {{s64, s8}})(Query));
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})
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.clampScalar(0, s8, sMaxScalar)
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.clampScalar(1, s8, s8);
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// integer logic
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getActionDefinitionsBuilder({G_AND, G_OR, G_XOR})
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.legalIf([=](const LegalityQuery &Query) -> bool {
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if (typeInSet(0, {s8, s16, s32})(Query))
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return true;
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if (Is64Bit && typeInSet(0, {s64})(Query))
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return true;
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if (HasSSE2 && typeInSet(0, {v16s8, v8s16, v4s32, v2s64})(Query))
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return true;
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if (HasAVX && typeInSet(0, {v32s8, v16s16, v8s32, v4s64})(Query))
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return true;
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if (HasAVX512 && typeInSet(0, {v64s8, v32s16, v16s32, v8s64})(Query))
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return true;
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return false;
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})
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.clampMinNumElements(0, s8, 16)
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.clampMinNumElements(0, s16, 8)
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.clampMinNumElements(0, s32, 4)
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.clampMinNumElements(0, s64, 2)
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.clampMaxNumElements(0, s8, HasAVX512 ? 64 : (HasAVX ? 32 : 16))
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.clampMaxNumElements(0, s16, HasAVX512 ? 32 : (HasAVX ? 16 : 8))
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.clampMaxNumElements(0, s32, HasAVX512 ? 16 : (HasAVX ? 8 : 4))
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.clampMaxNumElements(0, s64, HasAVX512 ? 8 : (HasAVX ? 4 : 2))
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.widenScalarToNextPow2(0, /*Min=*/32)
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.clampScalar(0, s8, sMaxScalar)
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.scalarize(0);
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// integer comparison
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const std::initializer_list<LLT> IntTypes32 = {s8, s16, s32, p0};
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const std::initializer_list<LLT> IntTypes64 = {s8, s16, s32, s64, p0};
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getActionDefinitionsBuilder(G_ICMP)
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.legalForCartesianProduct({s8}, Is64Bit ? IntTypes64 : IntTypes32)
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.clampScalar(0, s8, s8);
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// bswap
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getActionDefinitionsBuilder(G_BSWAP)
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.legalIf([=](const LegalityQuery &Query) {
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return Query.Types[0] == s32 ||
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(Subtarget.is64Bit() && Query.Types[0] == s64);
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})
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.widenScalarToNextPow2(0, /*Min=*/32)
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.clampScalar(0, s32, sMaxScalar);
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// popcount
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getActionDefinitionsBuilder(G_CTPOP)
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.legalIf([=](const LegalityQuery &Query) -> bool {
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return Subtarget.hasPOPCNT() &&
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(typePairInSet(0, 1, {{s16, s16}, {s32, s32}})(Query) ||
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(Is64Bit && typePairInSet(0, 1, {{s64, s64}})(Query)));
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})
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.widenScalarToNextPow2(1, /*Min=*/16)
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.clampScalar(1, s16, sMaxScalar);
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// count leading zeros (LZCNT)
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getActionDefinitionsBuilder(G_CTLZ)
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.legalIf([=](const LegalityQuery &Query) -> bool {
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return Subtarget.hasLZCNT() &&
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(typePairInSet(0, 1, {{s16, s16}, {s32, s32}})(Query) ||
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(Is64Bit && typePairInSet(0, 1, {{s64, s64}})(Query)));
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})
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.widenScalarToNextPow2(1, /*Min=*/16)
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.clampScalar(1, s16, sMaxScalar);
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// count trailing zeros
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getActionDefinitionsBuilder({G_CTTZ_ZERO_UNDEF, G_CTTZ})
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.legalIf([=](const LegalityQuery &Query) -> bool {
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return (Query.Opcode == G_CTTZ_ZERO_UNDEF || Subtarget.hasBMI()) &&
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(typePairInSet(0, 1, {{s16, s16}, {s32, s32}})(Query) ||
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(Is64Bit && typePairInSet(0, 1, {{s64, s64}})(Query)));
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})
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.widenScalarToNextPow2(1, /*Min=*/16)
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.clampScalar(1, s16, sMaxScalar);
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// pointer handling
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const std::initializer_list<LLT> PtrTypes32 = {s1, s8, s16, s32};
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const std::initializer_list<LLT> PtrTypes64 = {s1, s8, s16, s32, s64};
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getActionDefinitionsBuilder(G_PTRTOINT)
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.legalForCartesianProduct(Is64Bit ? PtrTypes64 : PtrTypes32, {p0})
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.maxScalar(0, sMaxScalar)
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.widenScalarToNextPow2(0, /*Min*/ 8);
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getActionDefinitionsBuilder(G_INTTOPTR).legalFor({{p0, sMaxScalar}});
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// sext, zext, and anyext
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getActionDefinitionsBuilder({G_SEXT, G_ZEXT, G_ANYEXT})
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.legalIf([=](const LegalityQuery &Query) {
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return typeInSet(0, {s8, s16, s32})(Query) ||
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(Query.Opcode == G_ANYEXT && Query.Types[0] == s128) ||
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(Is64Bit && Query.Types[0] == s64);
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})
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.widenScalarToNextPow2(0, /*Min=*/8)
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.clampScalar(0, s8, sMaxScalar)
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.widenScalarToNextPow2(1, /*Min=*/8)
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.clampScalar(1, s8, sMaxScalar);
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getActionDefinitionsBuilder(G_SEXT_INREG).lower();
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// fp constants
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getActionDefinitionsBuilder(G_FCONSTANT)
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.legalIf([=](const LegalityQuery &Query) -> bool {
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return (HasSSE1 && typeInSet(0, {s32})(Query)) ||
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(HasSSE2 && typeInSet(0, {s64})(Query));
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});
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// fp arithmetic
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getActionDefinitionsBuilder({G_FADD, G_FSUB, G_FMUL, G_FDIV})
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.legalIf([=](const LegalityQuery &Query) {
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return (HasSSE1 && typeInSet(0, {s32, v4s32})(Query)) ||
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(HasSSE2 && typeInSet(0, {s64, v2s64})(Query)) ||
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(HasAVX && typeInSet(0, {v8s32, v4s64})(Query)) ||
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(HasAVX512 && typeInSet(0, {v16s32, v8s64})(Query));
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});
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setLegalizerInfo32bit();
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setLegalizerInfo64bit();
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setLegalizerInfoSSE1();
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setLegalizerInfoSSE2();
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setLegalizerInfoAVX();
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setLegalizerInfoAVX2();
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setLegalizerInfoAVX512();
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getActionDefinitionsBuilder(G_INTRINSIC_ROUNDEVEN)
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.scalarize(0)
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.minScalar(0, LLT::scalar(32))
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.libcall();
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auto &LegacyInfo = getLegacyLegalizerInfo();
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LegacyInfo.setLegalizeScalarToDifferentSizeStrategy(G_PHI, 0, widen_1);
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for (unsigned MemOp : {G_LOAD, G_STORE})
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LegacyInfo.setLegalizeScalarToDifferentSizeStrategy(
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MemOp, 0, LegacyLegalizerInfo::narrowToSmallerAndWidenToSmallest);
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LegacyInfo.setLegalizeScalarToDifferentSizeStrategy(
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G_PTR_ADD, 1,
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LegacyLegalizerInfo::widenToLargerTypesUnsupportedOtherwise);
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getActionDefinitionsBuilder({G_MEMCPY, G_MEMMOVE, G_MEMSET}).libcall();
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LegacyInfo.computeTables();
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verify(*STI.getInstrInfo());
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}
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bool X86LegalizerInfo::legalizeIntrinsic(LegalizerHelper &Helper,
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MachineInstr &MI) const {
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return true;
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}
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void X86LegalizerInfo::setLegalizerInfo32bit() {
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const LLT p0 = LLT::pointer(0, TM.getPointerSizeInBits(0));
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const LLT s1 = LLT::scalar(1);
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const LLT s8 = LLT::scalar(8);
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const LLT s16 = LLT::scalar(16);
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const LLT s32 = LLT::scalar(32);
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const LLT s64 = LLT::scalar(64);
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auto &LegacyInfo = getLegacyLegalizerInfo();
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for (auto Ty : {s8, s16, s32, p0})
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LegacyInfo.setAction({G_PHI, Ty}, LegacyLegalizeActions::Legal);
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for (unsigned Op : {G_UADDE}) {
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LegacyInfo.setAction({Op, s32}, LegacyLegalizeActions::Legal);
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LegacyInfo.setAction({Op, 1, s1}, LegacyLegalizeActions::Legal);
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}
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for (unsigned MemOp : {G_LOAD, G_STORE}) {
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for (auto Ty : {s8, s16, s32, p0})
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LegacyInfo.setAction({MemOp, Ty}, LegacyLegalizeActions::Legal);
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// And everything's fine in addrspace 0.
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LegacyInfo.setAction({MemOp, 1, p0}, LegacyLegalizeActions::Legal);
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}
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// Pointer-handling
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LegacyInfo.setAction({G_FRAME_INDEX, p0}, LegacyLegalizeActions::Legal);
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LegacyInfo.setAction({G_GLOBAL_VALUE, p0}, LegacyLegalizeActions::Legal);
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LegacyInfo.setAction({G_PTR_ADD, p0}, LegacyLegalizeActions::Legal);
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LegacyInfo.setAction({G_PTR_ADD, 1, s32}, LegacyLegalizeActions::Legal);
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// Control-flow
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LegacyInfo.setAction({G_BRCOND, s1}, LegacyLegalizeActions::Legal);
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// Merge/Unmerge
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for (const auto &Ty : {s16, s32, s64}) {
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LegacyInfo.setAction({G_MERGE_VALUES, Ty}, LegacyLegalizeActions::Legal);
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LegacyInfo.setAction({G_UNMERGE_VALUES, 1, Ty},
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LegacyLegalizeActions::Legal);
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}
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for (const auto &Ty : {s8, s16, s32}) {
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LegacyInfo.setAction({G_MERGE_VALUES, 1, Ty}, LegacyLegalizeActions::Legal);
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LegacyInfo.setAction({G_UNMERGE_VALUES, Ty}, LegacyLegalizeActions::Legal);
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}
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}
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void X86LegalizerInfo::setLegalizerInfo64bit() {
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if (!Subtarget.is64Bit())
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return;
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const LLT s8 = LLT::scalar(8);
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const LLT s32 = LLT::scalar(32);
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const LLT s64 = LLT::scalar(64);
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const LLT s128 = LLT::scalar(128);
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auto &LegacyInfo = getLegacyLegalizerInfo();
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LegacyInfo.setAction({G_PHI, s64}, LegacyLegalizeActions::Legal);
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for (unsigned MemOp : {G_LOAD, G_STORE})
|
|
LegacyInfo.setAction({MemOp, s64}, LegacyLegalizeActions::Legal);
|
|
|
|
// Pointer-handling
|
|
LegacyInfo.setAction({G_PTR_ADD, 1, s64}, LegacyLegalizeActions::Legal);
|
|
|
|
getActionDefinitionsBuilder(G_SITOFP)
|
|
.legalForCartesianProduct({s32, s64})
|
|
.clampScalar(1, s32, s64)
|
|
.widenScalarToNextPow2(1)
|
|
.clampScalar(0, s32, s64)
|
|
.widenScalarToNextPow2(0);
|
|
|
|
getActionDefinitionsBuilder(G_FPTOSI)
|
|
.legalForCartesianProduct({s32, s64})
|
|
.clampScalar(1, s32, s64)
|
|
.widenScalarToNextPow2(0)
|
|
.clampScalar(0, s32, s64)
|
|
.widenScalarToNextPow2(1);
|
|
|
|
getActionDefinitionsBuilder(G_FCMP)
|
|
.legalForCartesianProduct({s8}, {s32, s64})
|
|
.clampScalar(0, s8, s8)
|
|
.clampScalar(1, s32, s64)
|
|
.widenScalarToNextPow2(1);
|
|
|
|
// Merge/Unmerge
|
|
LegacyInfo.setAction({G_MERGE_VALUES, s128}, LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_UNMERGE_VALUES, 1, s128},
|
|
LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_MERGE_VALUES, 1, s128}, LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_UNMERGE_VALUES, s128}, LegacyLegalizeActions::Legal);
|
|
}
|
|
|
|
void X86LegalizerInfo::setLegalizerInfoSSE1() {
|
|
if (!Subtarget.hasSSE1())
|
|
return;
|
|
|
|
const LLT s64 = LLT::scalar(64);
|
|
const LLT v4s32 = LLT::fixed_vector(4, 32);
|
|
const LLT v2s64 = LLT::fixed_vector(2, 64);
|
|
|
|
auto &LegacyInfo = getLegacyLegalizerInfo();
|
|
|
|
for (unsigned MemOp : {G_LOAD, G_STORE})
|
|
for (auto Ty : {v4s32, v2s64})
|
|
LegacyInfo.setAction({MemOp, Ty}, LegacyLegalizeActions::Legal);
|
|
|
|
// Merge/Unmerge
|
|
for (const auto &Ty : {v4s32, v2s64}) {
|
|
LegacyInfo.setAction({G_CONCAT_VECTORS, Ty}, LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_UNMERGE_VALUES, 1, Ty},
|
|
LegacyLegalizeActions::Legal);
|
|
}
|
|
LegacyInfo.setAction({G_MERGE_VALUES, 1, s64}, LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_UNMERGE_VALUES, s64}, LegacyLegalizeActions::Legal);
|
|
}
|
|
|
|
void X86LegalizerInfo::setLegalizerInfoSSE2() {
|
|
if (!Subtarget.hasSSE2())
|
|
return;
|
|
|
|
const LLT s32 = LLT::scalar(32);
|
|
const LLT s64 = LLT::scalar(64);
|
|
const LLT v16s8 = LLT::fixed_vector(16, 8);
|
|
const LLT v8s16 = LLT::fixed_vector(8, 16);
|
|
const LLT v4s32 = LLT::fixed_vector(4, 32);
|
|
const LLT v2s64 = LLT::fixed_vector(2, 64);
|
|
|
|
const LLT v32s8 = LLT::fixed_vector(32, 8);
|
|
const LLT v16s16 = LLT::fixed_vector(16, 16);
|
|
const LLT v8s32 = LLT::fixed_vector(8, 32);
|
|
const LLT v4s64 = LLT::fixed_vector(4, 64);
|
|
|
|
auto &LegacyInfo = getLegacyLegalizerInfo();
|
|
|
|
LegacyInfo.setAction({G_FPEXT, s64}, LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_FPEXT, 1, s32}, LegacyLegalizeActions::Legal);
|
|
|
|
LegacyInfo.setAction({G_FPTRUNC, s32}, LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_FPTRUNC, 1, s64}, LegacyLegalizeActions::Legal);
|
|
|
|
// Merge/Unmerge
|
|
for (const auto &Ty :
|
|
{v16s8, v32s8, v8s16, v16s16, v4s32, v8s32, v2s64, v4s64}) {
|
|
LegacyInfo.setAction({G_CONCAT_VECTORS, Ty}, LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_UNMERGE_VALUES, 1, Ty},
|
|
LegacyLegalizeActions::Legal);
|
|
}
|
|
for (const auto &Ty : {v16s8, v8s16, v4s32, v2s64}) {
|
|
LegacyInfo.setAction({G_CONCAT_VECTORS, 1, Ty},
|
|
LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_UNMERGE_VALUES, Ty}, LegacyLegalizeActions::Legal);
|
|
}
|
|
}
|
|
|
|
void X86LegalizerInfo::setLegalizerInfoAVX() {
|
|
if (!Subtarget.hasAVX())
|
|
return;
|
|
|
|
const LLT v16s8 = LLT::fixed_vector(16, 8);
|
|
const LLT v8s16 = LLT::fixed_vector(8, 16);
|
|
const LLT v4s32 = LLT::fixed_vector(4, 32);
|
|
const LLT v2s64 = LLT::fixed_vector(2, 64);
|
|
|
|
const LLT v32s8 = LLT::fixed_vector(32, 8);
|
|
const LLT v64s8 = LLT::fixed_vector(64, 8);
|
|
const LLT v16s16 = LLT::fixed_vector(16, 16);
|
|
const LLT v32s16 = LLT::fixed_vector(32, 16);
|
|
const LLT v8s32 = LLT::fixed_vector(8, 32);
|
|
const LLT v16s32 = LLT::fixed_vector(16, 32);
|
|
const LLT v4s64 = LLT::fixed_vector(4, 64);
|
|
const LLT v8s64 = LLT::fixed_vector(8, 64);
|
|
|
|
auto &LegacyInfo = getLegacyLegalizerInfo();
|
|
|
|
for (unsigned MemOp : {G_LOAD, G_STORE})
|
|
for (auto Ty : {v8s32, v4s64})
|
|
LegacyInfo.setAction({MemOp, Ty}, LegacyLegalizeActions::Legal);
|
|
|
|
for (auto Ty : {v32s8, v16s16, v8s32, v4s64}) {
|
|
LegacyInfo.setAction({G_INSERT, Ty}, LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_EXTRACT, 1, Ty}, LegacyLegalizeActions::Legal);
|
|
}
|
|
for (auto Ty : {v16s8, v8s16, v4s32, v2s64}) {
|
|
LegacyInfo.setAction({G_INSERT, 1, Ty}, LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_EXTRACT, Ty}, LegacyLegalizeActions::Legal);
|
|
}
|
|
// Merge/Unmerge
|
|
for (const auto &Ty :
|
|
{v32s8, v64s8, v16s16, v32s16, v8s32, v16s32, v4s64, v8s64}) {
|
|
LegacyInfo.setAction({G_CONCAT_VECTORS, Ty}, LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_UNMERGE_VALUES, 1, Ty},
|
|
LegacyLegalizeActions::Legal);
|
|
}
|
|
for (const auto &Ty :
|
|
{v16s8, v32s8, v8s16, v16s16, v4s32, v8s32, v2s64, v4s64}) {
|
|
LegacyInfo.setAction({G_CONCAT_VECTORS, 1, Ty},
|
|
LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_UNMERGE_VALUES, Ty}, LegacyLegalizeActions::Legal);
|
|
}
|
|
}
|
|
|
|
void X86LegalizerInfo::setLegalizerInfoAVX2() {
|
|
if (!Subtarget.hasAVX2())
|
|
return;
|
|
|
|
const LLT v32s8 = LLT::fixed_vector(32, 8);
|
|
const LLT v16s16 = LLT::fixed_vector(16, 16);
|
|
const LLT v8s32 = LLT::fixed_vector(8, 32);
|
|
const LLT v4s64 = LLT::fixed_vector(4, 64);
|
|
|
|
const LLT v64s8 = LLT::fixed_vector(64, 8);
|
|
const LLT v32s16 = LLT::fixed_vector(32, 16);
|
|
const LLT v16s32 = LLT::fixed_vector(16, 32);
|
|
const LLT v8s64 = LLT::fixed_vector(8, 64);
|
|
|
|
auto &LegacyInfo = getLegacyLegalizerInfo();
|
|
|
|
// Merge/Unmerge
|
|
for (const auto &Ty : {v64s8, v32s16, v16s32, v8s64}) {
|
|
LegacyInfo.setAction({G_CONCAT_VECTORS, Ty}, LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_UNMERGE_VALUES, 1, Ty},
|
|
LegacyLegalizeActions::Legal);
|
|
}
|
|
for (const auto &Ty : {v32s8, v16s16, v8s32, v4s64}) {
|
|
LegacyInfo.setAction({G_CONCAT_VECTORS, 1, Ty},
|
|
LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_UNMERGE_VALUES, Ty}, LegacyLegalizeActions::Legal);
|
|
}
|
|
}
|
|
|
|
void X86LegalizerInfo::setLegalizerInfoAVX512() {
|
|
if (!Subtarget.hasAVX512())
|
|
return;
|
|
|
|
const LLT v16s8 = LLT::fixed_vector(16, 8);
|
|
const LLT v8s16 = LLT::fixed_vector(8, 16);
|
|
const LLT v4s32 = LLT::fixed_vector(4, 32);
|
|
const LLT v2s64 = LLT::fixed_vector(2, 64);
|
|
|
|
const LLT v32s8 = LLT::fixed_vector(32, 8);
|
|
const LLT v16s16 = LLT::fixed_vector(16, 16);
|
|
const LLT v8s32 = LLT::fixed_vector(8, 32);
|
|
const LLT v4s64 = LLT::fixed_vector(4, 64);
|
|
|
|
const LLT v64s8 = LLT::fixed_vector(64, 8);
|
|
const LLT v32s16 = LLT::fixed_vector(32, 16);
|
|
const LLT v16s32 = LLT::fixed_vector(16, 32);
|
|
const LLT v8s64 = LLT::fixed_vector(8, 64);
|
|
|
|
auto &LegacyInfo = getLegacyLegalizerInfo();
|
|
|
|
for (unsigned MemOp : {G_LOAD, G_STORE})
|
|
for (auto Ty : {v16s32, v8s64})
|
|
LegacyInfo.setAction({MemOp, Ty}, LegacyLegalizeActions::Legal);
|
|
|
|
for (auto Ty : {v64s8, v32s16, v16s32, v8s64}) {
|
|
LegacyInfo.setAction({G_INSERT, Ty}, LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_EXTRACT, 1, Ty}, LegacyLegalizeActions::Legal);
|
|
}
|
|
for (auto Ty : {v32s8, v16s16, v8s32, v4s64, v16s8, v8s16, v4s32, v2s64}) {
|
|
LegacyInfo.setAction({G_INSERT, 1, Ty}, LegacyLegalizeActions::Legal);
|
|
LegacyInfo.setAction({G_EXTRACT, Ty}, LegacyLegalizeActions::Legal);
|
|
}
|
|
}
|