cranelift-codegen 0.89.2

Low-level code generator library
Documentation 
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//! Lower a single Cranelift instruction into vcode.

use crate::ir::Inst as IRInst;

use crate::isa::riscv64::settings as riscv64_settings;
use crate::machinst::lower::*;
use crate::machinst::*;
use crate::settings::Flags;
use crate::CodegenResult;

use crate::isa::riscv64::inst::*;
use target_lexicon::Triple;

/// Actually codegen an instruction's results into registers.
pub(crate) fn lower_insn_to_regs(
    ctx: &mut Lower<Inst>,
    insn: IRInst,
    triple: &Triple,
    flags: &Flags,
    isa_flags: &riscv64_settings::Flags,
) -> CodegenResult<()> {
    let outputs = insn_outputs(ctx, insn);
    let ty = if outputs.len() > 0 {
        Some(ctx.output_ty(insn, 0))
    } else {
        None
    };
    if let Ok(()) = super::lower::isle::lower(ctx, flags, triple, isa_flags, &outputs, insn) {
        return Ok(());
    }
    unreachable!(
        "not implemented in ISLE: inst = `{}`, type = `{:?}`",
        ctx.dfg().display_inst(insn),
        ty
    );
}