37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
//===- RISCVMatInt.h - Immediate materialisation ---------------*- C++ -*--===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_RISCV_MATINT_H
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#define LLVM_LIB_TARGET_RISCV_MATINT_H
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/Support/MachineValueType.h"
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#include <cstdint>
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namespace llvm {
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namespace RISCVMatInt {
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struct Inst {
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unsigned Opc;
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int64_t Imm;
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Inst(unsigned Opc, int64_t Imm) : Opc(Opc), Imm(Imm) {}
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};
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using InstSeq = SmallVector<Inst, 8>;
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// Helper to generate an instruction sequence that will materialise the given
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// immediate value into a register. A sequence of instructions represented by
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// a simple struct produced rather than directly emitting the instructions in
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// order to allow this helper to be used from both the MC layer and during
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// instruction selection.
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void generateInstSeq(int64_t Val, bool IsRV64, InstSeq &Res);
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} // namespace RISCVMatInt
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} // namespace llvm
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#endif
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