1 //===- RISCVMatInt.h - Immediate materialisation ---------------*- C++ -*--===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef LLVM_LIB_TARGET_RISCV_MATINT_H
11 #define LLVM_LIB_TARGET_RISCV_MATINT_H
13 #include "llvm/ADT/SmallVector.h"
14 #include "llvm/Support/MachineValueType.h"
19 namespace RISCVMatInt {
24 Inst(unsigned Opc, int64_t Imm) : Opc(Opc), Imm(Imm) {}
26 using InstSeq = SmallVector<Inst, 8>;
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