| //===- AArch64MachineLegalizer.cpp -------------------------------*- C++ -*-==// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| /// \file |
| /// This file implements the targeting of the Machinelegalizer class for |
| /// AArch64. |
| /// \todo This should be generated by TableGen. |
| //===----------------------------------------------------------------------===// |
| |
| #include "AArch64MachineLegalizer.h" |
| #include "llvm/CodeGen/ValueTypes.h" |
| #include "llvm/IR/Type.h" |
| #include "llvm/IR/DerivedTypes.h" |
| #include "llvm/Target/TargetOpcodes.h" |
| |
| using namespace llvm; |
| |
| #ifndef LLVM_BUILD_GLOBAL_ISEL |
| #error "You shouldn't build this" |
| #endif |
| |
| AArch64MachineLegalizer::AArch64MachineLegalizer() { |
| using namespace TargetOpcode; |
| 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 v2s32 = LLT::vector(2, 32); |
| const LLT v4s32 = LLT::vector(4, 32); |
| const LLT v2s64 = LLT::vector(2, 64); |
| |
| for (auto BinOp : {G_ADD, G_SUB, G_MUL, G_AND, G_OR, G_XOR}) { |
| for (auto Ty : {s32, s64, v2s32, v4s32, v2s64}) |
| setAction(BinOp, Ty, Legal); |
| |
| for (auto Ty : {s8, s16}) |
| setAction(BinOp, Ty, WidenScalar); |
| } |
| |
| for (auto BinOp : {G_SHL, G_LSHR, G_ASHR, G_SDIV, G_UDIV}) |
| for (auto Ty : {s32, s64}) |
| setAction(BinOp, Ty, Legal); |
| |
| for (auto BinOp : {G_FADD, G_FSUB, G_FMUL, G_FDIV}) |
| for (auto Ty : {s32, s64}) |
| setAction(BinOp, Ty, Legal); |
| |
| for (auto MemOp : {G_LOAD, G_STORE}) |
| for (auto Ty : {s32, s64}) |
| setAction(MemOp, Ty, Legal); |
| |
| for (auto Ty : {s32, s64}) { |
| setAction(TargetOpcode::G_CONSTANT, Ty, Legal); |
| setAction(TargetOpcode::G_FCONSTANT, Ty, Legal); |
| } |
| |
| for (auto Ty : {s1, s8, s16}) |
| setAction(TargetOpcode::G_CONSTANT, Ty, WidenScalar); |
| |
| setAction(TargetOpcode::G_FCONSTANT, s16, WidenScalar); |
| |
| setAction(G_BR, LLT::unsized(), Legal); |
| |
| setAction(G_FRAME_INDEX, LLT::pointer(0), Legal); |
| |
| computeTables(); |
| } |