//===-- X86InstrFoldTables.h - X86 Instruction Folding Tables ---*- 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 // //===----------------------------------------------------------------------===// // // This file contains the interface to query the X86 memory folding tables. // //===----------------------------------------------------------------------===// #ifndef LLVM_LIB_TARGET_X86_X86INSTRFOLDTABLES_H #define LLVM_LIB_TARGET_X86_X86INSTRFOLDTABLES_H #include <cstdint> #include "llvm/Support/X86FoldTablesUtils.h" namespace llvm { // This struct is used for both the folding and unfold tables. They KeyOp // is used to determine the sorting order. struct X86FoldTableEntry { … }; // Look up the memory folding table entry for folding a load and a store into // operand 0. const X86FoldTableEntry *lookupTwoAddrFoldTable(unsigned RegOp); // Look up the memory folding table entry for folding a load or store with // operand OpNum. const X86FoldTableEntry *lookupFoldTable(unsigned RegOp, unsigned OpNum); // Look up the broadcast folding table entry for folding a broadcast with // operand OpNum. const X86FoldTableEntry *lookupBroadcastFoldTable(unsigned RegOp, unsigned OpNum); // Look up the memory unfolding table entry for this instruction. const X86FoldTableEntry *lookupUnfoldTable(unsigned MemOp); // Look up the broadcast folding table entry for this instruction from // the regular memory instruction. const X86FoldTableEntry *lookupBroadcastFoldTableBySize(unsigned MemOp, unsigned BroadcastBits); bool matchBroadcastSize(const X86FoldTableEntry &Entry, unsigned BroadcastBits); } // namespace llvm #endif