Function llvm_fixup_input

fn llvm_fixup_input<'ll, 'tcx>(
    bx: &mut GenericBuilder<'_, 'll, CodegenCx<'ll, 'tcx>>,
    value: &'ll Value,
    reg: InlineAsmRegClass,
    layout: &TyAndLayout<'tcx>,
    instance: Instance<'_>,
) -> &'ll Value

Fix up an input value to work around LLVM bugs.