machinst x64: inline helper used only once;
@@ -53,10 +53,6 @@ fn is_valid_atomic_transaction_ty(ty: Type) -> bool {
}
}
-fn iri_to_u64_imm(ctx: Ctx, inst: IRInst) -> Option<u64> {
- ctx.get_constant(inst)
-}
-
/// Returns whether the given specified `input` is a result produced by an instruction with Opcode
/// `op`.
// TODO investigate failures with checking against the result index.
@@ -454,13 +450,12 @@ fn lower_insn_to_regs<C: LowerCtx<I = Inst>>(
match op {
Opcode::Iconst | Opcode::Bconst | Opcode::Null => {
- if let Some(w64) = iri_to_u64_imm(ctx, insn) {
+ let w64 = ctx
+ .get_constant(insn)
+ .expect("constant value for iconst et al");
let dst_is_64 = w64 > 0x7fffffff;
let dst = get_output_reg(ctx, outputs[0]);
ctx.emit(Inst::imm_r(dst_is_64, w64, dst));
- } else {
- unimplemented!();
- }
}
Opcode::Iadd
