| //===- X86LegalizerInfo.cpp --------------------------------------*- C++ -*-==// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| /// \file |
| /// This file implements the targeting of the Machinelegalizer class for X86. |
| /// \todo This should be generated by TableGen. |
| //===----------------------------------------------------------------------===// |
| |
| #include "X86LegalizerInfo.h" |
| #include "X86Subtarget.h" |
| #include "X86TargetMachine.h" |
| #include "llvm/CodeGen/GlobalISel/LegalizerHelper.h" |
| #include "llvm/CodeGen/TargetOpcodes.h" |
| #include "llvm/CodeGen/ValueTypes.h" |
| #include "llvm/IR/DerivedTypes.h" |
| #include "llvm/IR/Type.h" |
| |
| using namespace llvm; |
| using namespace TargetOpcode; |
| using namespace LegalizeActions; |
| using namespace LegalityPredicates; |
| |
| X86LegalizerInfo::X86LegalizerInfo(const X86Subtarget &STI, |
| const X86TargetMachine &TM) |
| : Subtarget(STI) { |
| |
| bool Is64Bit = Subtarget.is64Bit(); |
| bool HasSSE1 = Subtarget.hasSSE1(); |
| bool HasSSE2 = Subtarget.hasSSE2(); |
| bool HasSSE41 = Subtarget.hasSSE41(); |
| bool HasAVX = Subtarget.hasAVX(); |
| bool HasAVX2 = Subtarget.hasAVX2(); |
| bool HasAVX512 = Subtarget.hasAVX512(); |
| bool HasVLX = Subtarget.hasVLX(); |
| bool HasDQI = Subtarget.hasAVX512() && Subtarget.hasDQI(); |
| bool HasBWI = Subtarget.hasAVX512() && Subtarget.hasBWI(); |
| |
| const LLT p0 = LLT::pointer(0, TM.getPointerSizeInBits(0)); |
| const LLT s1 = LLT::scalar(1); |
| const LLT s8 = LLT::scalar(8); |
| const LLT s16 = LLT::scalar(16); |
| const LLT s32 = LLT::scalar(32); |
| const LLT s64 = LLT::scalar(64); |
| const LLT s80 = LLT::scalar(80); |
| const LLT s128 = LLT::scalar(128); |
| const LLT sMaxScalar = Subtarget.is64Bit() ? s64 : s32; |
| const LLT v2s32 = LLT::fixed_vector(2, 32); |
| const LLT v4s8 = LLT::fixed_vector(4, 8); |
| |
| |
| 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 v2p0 = LLT::fixed_vector(2, p0); |
| |
| 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 v4p0 = LLT::fixed_vector(4, p0); |
| |
| 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); |
| |
| // todo: AVX512 bool vector predicate types |
| |
| // implicit/constants |
| getActionDefinitionsBuilder(G_IMPLICIT_DEF) |
| .legalIf([=](const LegalityQuery &Query) -> bool { |
| // 32/64-bits needs support for s64/s128 to handle cases: |
| // s64 = EXTEND (G_IMPLICIT_DEF s32) -> s64 = G_IMPLICIT_DEF |
| // s128 = EXTEND (G_IMPLICIT_DEF s32/s64) -> s128 = G_IMPLICIT_DEF |
| return typeInSet(0, {p0, s1, s8, s16, s32, s64})(Query) || |
| (Is64Bit && typeInSet(0, {s128})(Query)); |
| }); |
| |
| getActionDefinitionsBuilder(G_CONSTANT) |
| .legalIf([=](const LegalityQuery &Query) -> bool { |
| return typeInSet(0, {p0, s8, s16, s32})(Query) || |
| (Is64Bit && typeInSet(0, {s64})(Query)); |
| }) |
| .widenScalarToNextPow2(0, /*Min=*/8) |
| .clampScalar(0, s8, sMaxScalar); |
| |
| // merge/unmerge |
| for (unsigned Op : {G_MERGE_VALUES, G_UNMERGE_VALUES}) { |
| unsigned BigTyIdx = Op == G_MERGE_VALUES ? 0 : 1; |
| unsigned LitTyIdx = Op == G_MERGE_VALUES ? 1 : 0; |
| getActionDefinitionsBuilder(Op) |
| .widenScalarToNextPow2(LitTyIdx, /*Min=*/8) |
| .widenScalarToNextPow2(BigTyIdx, /*Min=*/16) |
| .minScalar(LitTyIdx, s8) |
| .minScalar(BigTyIdx, s32) |
| .legalIf([=](const LegalityQuery &Q) { |
| switch (Q.Types[BigTyIdx].getSizeInBits()) { |
| case 16: |
| case 32: |
| case 64: |
| case 128: |
| case 256: |
| case 512: |
| break; |
| default: |
| return false; |
| } |
| switch (Q.Types[LitTyIdx].getSizeInBits()) { |
| case 8: |
| case 16: |
| case 32: |
| case 64: |
| case 128: |
| case 256: |
| return true; |
| default: |
| return false; |
| } |
| }); |
| } |
| |
| // integer addition/subtraction |
| getActionDefinitionsBuilder({G_ADD, G_SUB}) |
| .legalIf([=](const LegalityQuery &Query) -> bool { |
| if (typeInSet(0, {s8, s16, s32})(Query)) |
| return true; |
| if (Is64Bit && typeInSet(0, {s64})(Query)) |
| return true; |
| if (HasSSE2 && typeInSet(0, {v16s8, v8s16, v4s32, v2s64})(Query)) |
| return true; |
| if (HasAVX2 && typeInSet(0, {v32s8, v16s16, v8s32, v4s64})(Query)) |
| return true; |
| if (HasAVX512 && typeInSet(0, {v16s32, v8s64})(Query)) |
| return true; |
| if (HasBWI && typeInSet(0, {v64s8, v32s16})(Query)) |
| return true; |
| return false; |
| }) |
| .clampMinNumElements(0, s8, 16) |
| .clampMinNumElements(0, s16, 8) |
| .clampMinNumElements(0, s32, 4) |
| .clampMinNumElements(0, s64, 2) |
| .clampMaxNumElements(0, s8, HasBWI ? 64 : (HasAVX2 ? 32 : 16)) |
| .clampMaxNumElements(0, s16, HasBWI ? 32 : (HasAVX2 ? 16 : 8)) |
| .clampMaxNumElements(0, s32, HasAVX512 ? 16 : (HasAVX2 ? 8 : 4)) |
| .clampMaxNumElements(0, s64, HasAVX512 ? 8 : (HasAVX2 ? 4 : 2)) |
| .widenScalarToNextPow2(0, /*Min=*/32) |
| .clampScalar(0, s8, sMaxScalar) |
| .scalarize(0); |
| |
| getActionDefinitionsBuilder({G_UADDE, G_UADDO, G_USUBE, G_USUBO}) |
| .legalIf([=](const LegalityQuery &Query) -> bool { |
| return typePairInSet(0, 1, {{s8, s1}, {s16, s1}, {s32, s1}})(Query) || |
| (Is64Bit && typePairInSet(0, 1, {{s64, s1}})(Query)); |
| }) |
| .widenScalarToNextPow2(0, /*Min=*/32) |
| .clampScalar(0, s8, sMaxScalar) |
| .clampScalar(1, s1, s1) |
| .scalarize(0); |
| |
| // integer multiply |
| getActionDefinitionsBuilder(G_MUL) |
| .legalIf([=](const LegalityQuery &Query) -> bool { |
| if (typeInSet(0, {s8, s16, s32})(Query)) |
| return true; |
| if (Is64Bit && typeInSet(0, {s64})(Query)) |
| return true; |
| if (HasSSE2 && typeInSet(0, {v8s16})(Query)) |
| return true; |
| if (HasSSE41 && typeInSet(0, {v4s32})(Query)) |
| return true; |
| if (HasAVX2 && typeInSet(0, {v16s16, v8s32})(Query)) |
| return true; |
| if (HasAVX512 && typeInSet(0, {v16s32})(Query)) |
| return true; |
| if (HasDQI && typeInSet(0, {v8s64})(Query)) |
| return true; |
| if (HasDQI && HasVLX && typeInSet(0, {v2s64, v4s64})(Query)) |
| return true; |
| if (HasBWI && typeInSet(0, {v32s16})(Query)) |
| return true; |
| return false; |
| }) |
| .clampMinNumElements(0, s16, 8) |
| .clampMinNumElements(0, s32, 4) |
| .clampMinNumElements(0, s64, HasVLX ? 2 : 8) |
| .clampMaxNumElements(0, s16, HasBWI ? 32 : (HasAVX2 ? 16 : 8)) |
| .clampMaxNumElements(0, s32, HasAVX512 ? 16 : (HasAVX2 ? 8 : 4)) |
| .clampMaxNumElements(0, s64, 8) |
| .widenScalarToNextPow2(0, /*Min=*/32) |
| .clampScalar(0, s8, sMaxScalar) |
| .scalarize(0); |
| |
| getActionDefinitionsBuilder({G_SMULH, G_UMULH}) |
| .legalIf([=](const LegalityQuery &Query) -> bool { |
| return typeInSet(0, {s8, s16, s32})(Query) || |
| (Is64Bit && typeInSet(0, {s64})(Query)); |
| }) |
| .widenScalarToNextPow2(0, /*Min=*/32) |
| .clampScalar(0, s8, sMaxScalar) |
| .scalarize(0); |
| |
| // integer divisions |
| getActionDefinitionsBuilder({G_SDIV, G_SREM, G_UDIV, G_UREM}) |
| .legalIf([=](const LegalityQuery &Query) -> bool { |
| return typeInSet(0, {s8, s16, s32})(Query) || |
| (Is64Bit && typeInSet(0, {s64})(Query)); |
| }) |
| .clampScalar(0, s8, sMaxScalar); |
| |
| // integer shifts |
| getActionDefinitionsBuilder({G_SHL, G_LSHR, G_ASHR}) |
| .legalIf([=](const LegalityQuery &Query) -> bool { |
| return typePairInSet(0, 1, {{s8, s8}, {s16, s8}, {s32, s8}})(Query) || |
| (Is64Bit && typePairInSet(0, 1, {{s64, s8}})(Query)); |
| }) |
| .clampScalar(0, s8, sMaxScalar) |
| .clampScalar(1, s8, s8); |
| |
| // integer logic |
| getActionDefinitionsBuilder({G_AND, G_OR, G_XOR}) |
| .legalIf([=](const LegalityQuery &Query) -> bool { |
| if (typeInSet(0, {s8, s16, s32})(Query)) |
| return true; |
| if (Is64Bit && typeInSet(0, {s64})(Query)) |
| return true; |
| if (HasSSE2 && typeInSet(0, {v16s8, v8s16, v4s32, v2s64})(Query)) |
| return true; |
| if (HasAVX && typeInSet(0, {v32s8, v16s16, v8s32, v4s64})(Query)) |
| return true; |
| if (HasAVX512 && typeInSet(0, {v64s8, v32s16, v16s32, v8s64})(Query)) |
| return true; |
| return false; |
| }) |
| .clampMinNumElements(0, s8, 16) |
| .clampMinNumElements(0, s16, 8) |
| .clampMinNumElements(0, s32, 4) |
| .clampMinNumElements(0, s64, 2) |
| .clampMaxNumElements(0, s8, HasAVX512 ? 64 : (HasAVX ? 32 : 16)) |
| .clampMaxNumElements(0, s16, HasAVX512 ? 32 : (HasAVX ? 16 : 8)) |
| .clampMaxNumElements(0, s32, HasAVX512 ? 16 : (HasAVX ? 8 : 4)) |
| .clampMaxNumElements(0, s64, HasAVX512 ? 8 : (HasAVX ? 4 : 2)) |
| .widenScalarToNextPow2(0, /*Min=*/32) |
| .clampScalar(0, s8, sMaxScalar) |
| .scalarize(0); |
| |
| // integer comparison |
| const std::initializer_list<LLT> IntTypes32 = {s8, s16, s32, p0}; |
| const std::initializer_list<LLT> IntTypes64 = {s8, s16, s32, s64, p0}; |
| |
| getActionDefinitionsBuilder(G_ICMP) |
| .legalForCartesianProduct({s8}, Is64Bit ? IntTypes64 : IntTypes32) |
| .clampScalar(0, s8, s8); |
| |
| // bswap |
| getActionDefinitionsBuilder(G_BSWAP) |
| .legalIf([=](const LegalityQuery &Query) { |
| return Query.Types[0] == s32 || |
| (Subtarget.is64Bit() && Query.Types[0] == s64); |
| }) |
| .widenScalarToNextPow2(0, /*Min=*/32) |
| .clampScalar(0, s32, sMaxScalar); |
| |
| // popcount |
| getActionDefinitionsBuilder(G_CTPOP) |
| .legalIf([=](const LegalityQuery &Query) -> bool { |
| return Subtarget.hasPOPCNT() && |
| (typePairInSet(0, 1, {{s16, s16}, {s32, s32}})(Query) || |
| (Is64Bit && typePairInSet(0, 1, {{s64, s64}})(Query))); |
| }) |
| .widenScalarToNextPow2(1, /*Min=*/16) |
| .clampScalar(1, s16, sMaxScalar) |
| .scalarSameSizeAs(0, 1); |
| |
| // count leading zeros (LZCNT) |
| getActionDefinitionsBuilder(G_CTLZ) |
| .legalIf([=](const LegalityQuery &Query) -> bool { |
| return Subtarget.hasLZCNT() && |
| (typePairInSet(0, 1, {{s16, s16}, {s32, s32}})(Query) || |
| (Is64Bit && typePairInSet(0, 1, {{s64, s64}})(Query))); |
| }) |
| .widenScalarToNextPow2(1, /*Min=*/16) |
| .clampScalar(1, s16, sMaxScalar) |
| .scalarSameSizeAs(0, 1); |
| |
| // count trailing zeros |
| getActionDefinitionsBuilder({G_CTTZ_ZERO_UNDEF, G_CTTZ}) |
| .legalIf([=](const LegalityQuery &Query) -> bool { |
| return (Query.Opcode == G_CTTZ_ZERO_UNDEF || Subtarget.hasBMI()) && |
| (typePairInSet(0, 1, {{s16, s16}, {s32, s32}})(Query) || |
| (Is64Bit && typePairInSet(0, 1, {{s64, s64}})(Query))); |
| }) |
| .widenScalarToNextPow2(1, /*Min=*/16) |
| .clampScalar(1, s16, sMaxScalar) |
| .scalarSameSizeAs(0, 1); |
| |
| // control flow |
| getActionDefinitionsBuilder(G_PHI) |
| .legalIf([=](const LegalityQuery &Query) -> bool { |
| return typeInSet(0, {s8, s16, s32, p0})(Query) || |
| (Is64Bit && typeInSet(0, {s64})(Query)) || |
| (HasSSE1 && typeInSet(0, {v16s8, v8s16, v4s32, v2s64})(Query)) || |
| (HasAVX && typeInSet(0, {v32s8, v16s16, v8s32, v4s64})(Query)) || |
| (HasAVX512 && |
| typeInSet(0, {v64s8, v32s16, v16s32, v8s64})(Query)); |
| }) |
| .clampMinNumElements(0, s8, 16) |
| .clampMinNumElements(0, s16, 8) |
| .clampMinNumElements(0, s32, 4) |
| .clampMinNumElements(0, s64, 2) |
| .clampMaxNumElements(0, s8, HasAVX512 ? 64 : (HasAVX ? 32 : 16)) |
| .clampMaxNumElements(0, s16, HasAVX512 ? 32 : (HasAVX ? 16 : 8)) |
| .clampMaxNumElements(0, s32, HasAVX512 ? 16 : (HasAVX ? 8 : 4)) |
| .clampMaxNumElements(0, s64, HasAVX512 ? 8 : (HasAVX ? 4 : 2)) |
| .widenScalarToNextPow2(0, /*Min=*/32) |
| .clampScalar(0, s8, sMaxScalar) |
| .scalarize(0); |
| |
| getActionDefinitionsBuilder(G_BRCOND).legalFor({s1}); |
| |
| // pointer handling |
| const std::initializer_list<LLT> PtrTypes32 = {s1, s8, s16, s32}; |
| const std::initializer_list<LLT> PtrTypes64 = {s1, s8, s16, s32, s64}; |
| |
| getActionDefinitionsBuilder(G_PTRTOINT) |
| .legalForCartesianProduct(Is64Bit ? PtrTypes64 : PtrTypes32, {p0}) |
| .maxScalar(0, sMaxScalar) |
| .widenScalarToNextPow2(0, /*Min*/ 8); |
| |
| getActionDefinitionsBuilder(G_INTTOPTR).legalFor({{p0, sMaxScalar}}); |
| |
| getActionDefinitionsBuilder(G_PTR_ADD) |
| .legalIf([=](const LegalityQuery &Query) -> bool { |
| return typePairInSet(0, 1, {{p0, s32}})(Query) || |
| (Is64Bit && typePairInSet(0, 1, {{p0, s64}})(Query)); |
| }) |
| .widenScalarToNextPow2(1, /*Min*/ 32) |
| .clampScalar(1, s32, sMaxScalar); |
| |
| getActionDefinitionsBuilder({G_FRAME_INDEX, G_GLOBAL_VALUE}).legalFor({p0}); |
| |
| // load/store: add more corner cases |
| for (unsigned Op : {G_LOAD, G_STORE}) { |
| auto &Action = getActionDefinitionsBuilder(Op); |
| Action.legalForTypesWithMemDesc({{s8, p0, s1, 1}, |
| {s8, p0, s8, 1}, |
| {s16, p0, s8, 1}, |
| {s16, p0, s16, 1}, |
| {s32, p0, s8, 1}, |
| {s32, p0, s16, 1}, |
| {s32, p0, s32, 1}, |
| {s80, p0, s80, 1}, |
| {p0, p0, p0, 1}, |
| {v4s8, p0, v4s8, 1}}); |
| if (Is64Bit) |
| Action.legalForTypesWithMemDesc({{s64, p0, s8, 1}, |
| {s64, p0, s16, 1}, |
| {s64, p0, s32, 1}, |
| {s64, p0, s64, 1}, |
| {v2s32, p0, v2s32, 1}}); |
| if (HasSSE1) |
| Action.legalForTypesWithMemDesc({{v16s8, p0, v16s8, 1}, |
| {v8s16, p0, v8s16, 1}, |
| {v4s32, p0, v4s32, 1}, |
| {v2s64, p0, v2s64, 1}, |
| {v2p0, p0, v2p0, 1}}); |
| if (HasAVX) |
| Action.legalForTypesWithMemDesc({{v32s8, p0, v32s8, 1}, |
| {v16s16, p0, v16s16, 1}, |
| {v8s32, p0, v8s32, 1}, |
| {v4s64, p0, v4s64, 1}, |
| {v4p0, p0, v4p0, 1}}); |
| if (HasAVX512) |
| Action.legalForTypesWithMemDesc({{v64s8, p0, v64s8, 1}, |
| {v32s16, p0, v32s16, 1}, |
| {v16s32, p0, v16s32, 1}, |
| {v8s64, p0, v8s64, 1}}); |
| Action.widenScalarToNextPow2(0, /*Min=*/8).clampScalar(0, s8, sMaxScalar); |
| } |
| |
| for (unsigned Op : {G_SEXTLOAD, G_ZEXTLOAD}) { |
| auto &Action = getActionDefinitionsBuilder(Op); |
| Action.legalForTypesWithMemDesc({{s16, p0, s8, 1}, |
| {s32, p0, s8, 1}, |
| {s32, p0, s16, 1}}); |
| if (Is64Bit) |
| Action.legalForTypesWithMemDesc({{s64, p0, s8, 1}, |
| {s64, p0, s16, 1}, |
| {s64, p0, s32, 1}}); |
| // TODO - SSE41/AVX2/AVX512F/AVX512BW vector extensions |
| } |
| |
| // sext, zext, and anyext |
| getActionDefinitionsBuilder({G_SEXT, G_ZEXT, G_ANYEXT}) |
| .legalIf([=](const LegalityQuery &Query) { |
| return typeInSet(0, {s8, s16, s32})(Query) || |
| (Query.Opcode == G_ANYEXT && Query.Types[0] == s128) || |
| (Is64Bit && Query.Types[0] == s64); |
| }) |
| .widenScalarToNextPow2(0, /*Min=*/8) |
| .clampScalar(0, s8, sMaxScalar) |
| .widenScalarToNextPow2(1, /*Min=*/8) |
| .clampScalar(1, s8, sMaxScalar); |
| |
| getActionDefinitionsBuilder(G_SEXT_INREG).lower(); |
| |
| // fp constants |
| getActionDefinitionsBuilder(G_FCONSTANT) |
| .legalIf([=](const LegalityQuery &Query) -> bool { |
| return (HasSSE1 && typeInSet(0, {s32})(Query)) || |
| (HasSSE2 && typeInSet(0, {s64})(Query)); |
| }); |
| |
| // fp arithmetic |
| getActionDefinitionsBuilder({G_FADD, G_FSUB, G_FMUL, G_FDIV}) |
| .legalIf([=](const LegalityQuery &Query) { |
| return (HasSSE1 && typeInSet(0, {s32, v4s32})(Query)) || |
| (HasSSE2 && typeInSet(0, {s64, v2s64})(Query)) || |
| (HasAVX && typeInSet(0, {v8s32, v4s64})(Query)) || |
| (HasAVX512 && typeInSet(0, {v16s32, v8s64})(Query)); |
| }); |
| |
| // fp comparison |
| getActionDefinitionsBuilder(G_FCMP) |
| .legalIf([=](const LegalityQuery &Query) { |
| return (HasSSE1 && typePairInSet(0, 1, {{s8, s32}})(Query)) || |
| (HasSSE2 && typePairInSet(0, 1, {{s8, s64}})(Query)); |
| }) |
| .clampScalar(0, s8, s8) |
| .clampScalar(1, s32, HasSSE2 ? s64 : s32) |
| .widenScalarToNextPow2(1); |
| |
| // fp conversions |
| getActionDefinitionsBuilder(G_FPEXT).legalIf([=](const LegalityQuery &Query) { |
| return (HasSSE2 && typePairInSet(0, 1, {{s64, s32}})(Query)) || |
| (HasAVX && typePairInSet(0, 1, {{v4s64, v4s32}})(Query)) || |
| (HasAVX512 && typePairInSet(0, 1, {{v8s64, v8s32}})(Query)); |
| }); |
| |
| getActionDefinitionsBuilder(G_FPTRUNC).legalIf( |
| [=](const LegalityQuery &Query) { |
| return (HasSSE2 && typePairInSet(0, 1, {{s32, s64}})(Query)) || |
| (HasAVX && typePairInSet(0, 1, {{v4s32, v4s64}})(Query)) || |
| (HasAVX512 && typePairInSet(0, 1, {{v8s32, v8s64}})(Query)); |
| }); |
| |
| getActionDefinitionsBuilder(G_SITOFP) |
| .legalIf([=](const LegalityQuery &Query) { |
| return (HasSSE1 && |
| (typePairInSet(0, 1, {{s32, s32}})(Query) || |
| (Is64Bit && typePairInSet(0, 1, {{s32, s64}})(Query)))) || |
| (HasSSE2 && |
| (typePairInSet(0, 1, {{s64, s32}})(Query) || |
| (Is64Bit && typePairInSet(0, 1, {{s64, s64}})(Query)))); |
| }) |
| .clampScalar(1, s32, sMaxScalar) |
| .widenScalarToNextPow2(1) |
| .clampScalar(0, s32, HasSSE2 ? s64 : s32) |
| .widenScalarToNextPow2(0); |
| |
| getActionDefinitionsBuilder(G_FPTOSI) |
| .legalIf([=](const LegalityQuery &Query) { |
| return (HasSSE1 && |
| (typePairInSet(0, 1, {{s32, s32}})(Query) || |
| (Is64Bit && typePairInSet(0, 1, {{s64, s32}})(Query)))) || |
| (HasSSE2 && |
| (typePairInSet(0, 1, {{s32, s64}})(Query) || |
| (Is64Bit && typePairInSet(0, 1, {{s64, s64}})(Query)))); |
| }) |
| .clampScalar(1, s32, HasSSE2 ? s64 : s32) |
| .widenScalarToNextPow2(0) |
| .clampScalar(0, s32, sMaxScalar) |
| .widenScalarToNextPow2(1); |
| |
| // vector ops |
| getActionDefinitionsBuilder({G_EXTRACT, G_INSERT}) |
| .legalIf([=](const LegalityQuery &Query) { |
| unsigned SubIdx = Query.Opcode == G_EXTRACT ? 0 : 1; |
| unsigned FullIdx = Query.Opcode == G_EXTRACT ? 1 : 0; |
| return (HasAVX && typePairInSet(SubIdx, FullIdx, |
| {{v16s8, v32s8}, |
| {v8s16, v16s16}, |
| {v4s32, v8s32}, |
| {v2s64, v4s64}})(Query)) || |
| (HasAVX512 && typePairInSet(SubIdx, FullIdx, |
| {{v16s8, v64s8}, |
| {v32s8, v64s8}, |
| {v8s16, v32s16}, |
| {v16s16, v32s16}, |
| {v4s32, v16s32}, |
| {v8s32, v16s32}, |
| {v2s64, v8s64}, |
| {v4s64, v8s64}})(Query)); |
| }); |
| |
| // todo: only permit dst types up to max legal vector register size? |
| getActionDefinitionsBuilder(G_CONCAT_VECTORS) |
| .legalIf([=](const LegalityQuery &Query) { |
| return (HasSSE1 && typePairInSet(1, 0, |
| {{v16s8, v32s8}, |
| {v8s16, v16s16}, |
| {v4s32, v8s32}, |
| {v2s64, v4s64}})(Query)) || |
| (HasAVX && typePairInSet(1, 0, |
| {{v16s8, v64s8}, |
| {v32s8, v64s8}, |
| {v8s16, v32s16}, |
| {v16s16, v32s16}, |
| {v4s32, v16s32}, |
| {v8s32, v16s32}, |
| {v2s64, v8s64}, |
| {v4s64, v8s64}})(Query)); |
| }); |
| |
| // todo: vectors and address spaces |
| getActionDefinitionsBuilder(G_SELECT) |
| .legalFor({{s8, s32}, {s16, s32}, {s32, s32}, {s64, s32}, |
| {p0, s32}}) |
| .widenScalarToNextPow2(0, /*Min=*/8) |
| .clampScalar(0, s8, sMaxScalar) |
| .clampScalar(1, s32, s32); |
| |
| // memory intrinsics |
| getActionDefinitionsBuilder({G_MEMCPY, G_MEMMOVE, G_MEMSET}).libcall(); |
| |
| // fp intrinsics |
| getActionDefinitionsBuilder(G_INTRINSIC_ROUNDEVEN) |
| .scalarize(0) |
| .minScalar(0, LLT::scalar(32)) |
| .libcall(); |
| |
| getActionDefinitionsBuilder({G_FREEZE, G_CONSTANT_FOLD_BARRIER}) |
| .legalFor({s8, s16, s32, s64, p0}) |
| .widenScalarToNextPow2(0, /*Min=*/8) |
| .clampScalar(0, s8, sMaxScalar); |
| |
| getLegacyLegalizerInfo().computeTables(); |
| verify(*STI.getInstrInfo()); |
| } |
| |
| bool X86LegalizerInfo::legalizeIntrinsic(LegalizerHelper &Helper, |
| MachineInstr &MI) const { |
| return true; |
| } |
