1 //===- RISCVMatInt.h - Immediate materialisation ---------------*- C++ -*--===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLVM_LIB_TARGET_RISCV_MATINT_H
11 #define LLVM_LIB_TARGET_RISCV_MATINT_H
12 
13 #include "llvm/ADT/SmallVector.h"
14 #include "llvm/Support/MachineValueType.h"
15 #include <cstdint>
16 
17 namespace llvm {
18 
19 namespace RISCVMatInt {
20 struct Inst {
21   unsigned Opc;
22   int64_t Imm;
23 
InstInst24   Inst(unsigned Opc, int64_t Imm) : Opc(Opc), Imm(Imm) {}
25 };
26 using InstSeq = SmallVector<Inst, 8>;
27 
28 // Helper to generate an instruction sequence that will materialise the given
29 // immediate value into a register. A sequence of instructions represented by
30 // a simple struct produced rather than directly emitting the instructions in
31 // order to allow this helper to be used from both the MC layer and during
32 // instruction selection.
33 void generateInstSeq(int64_t Val, bool IsRV64, InstSeq &Res);
34 } // namespace RISCVMatInt
35 } // namespace llvm
36 #endif
37