rustc::session::config::CG_OPTIONS

pub const CG_OPTIONS: &'static [(&'static str, CodegenSetter, Option<&'static str>, &'static str)] = &[("ar", cgsetters::ar, cg_type_desc::parse_opt_string,
   "tool to assemble archives with"),
  ("linker", cgsetters::linker, cg_type_desc::parse_opt_string,
   "system linker to link outputs with"),
  ("link_args", cgsetters::link_args, cg_type_desc::parse_opt_list,
   "extra arguments to pass to the linker (space separated)"),
  ("link_dead_code", cgsetters::link_dead_code, cg_type_desc::parse_bool,
   "don\'t let linker strip dead code (turning it on can be used for code coverage)"),
  ("lto", cgsetters::lto, cg_type_desc::parse_bool,
   "perform LLVM link-time optimizations"),
  ("target_cpu", cgsetters::target_cpu, cg_type_desc::parse_opt_string,
   "select target processor (llc -mcpu=help for details)"),
  ("target_feature", cgsetters::target_feature, cg_type_desc::parse_string,
   "target specific attributes (llc -mattr=help for details)"),
  ("passes", cgsetters::passes, cg_type_desc::parse_list,
   "a list of extra LLVM passes to run (space separated)"),
  ("llvm_args", cgsetters::llvm_args, cg_type_desc::parse_list,
   "a list of arguments to pass to llvm (space separated)"),
  ("save_temps", cgsetters::save_temps, cg_type_desc::parse_bool,
   "save all temporary output files during compilation"),
  ("rpath", cgsetters::rpath, cg_type_desc::parse_bool,
   "set rpath values in libs/exes"),
  ("no_prepopulate_passes", cgsetters::no_prepopulate_passes,
   cg_type_desc::parse_bool,
   "don\'t pre-populate the pass manager with a list of passes"),
  ("no_vectorize_loops", cgsetters::no_vectorize_loops,
   cg_type_desc::parse_bool,
   "don\'t run the loop vectorization optimization passes"),
  ("no_vectorize_slp", cgsetters::no_vectorize_slp, cg_type_desc::parse_bool,
   "don\'t run LLVM\'s SLP vectorization pass"),
  ("soft_float", cgsetters::soft_float, cg_type_desc::parse_bool,
   "generate software floating point library calls"),
  ("prefer_dynamic", cgsetters::prefer_dynamic, cg_type_desc::parse_bool,
   "prefer dynamic linking to static linking"),
  ("no_integrated_as", cgsetters::no_integrated_as, cg_type_desc::parse_bool,
   "use an external assembler rather than LLVM\'s integrated one"),
  ("no_redzone", cgsetters::no_redzone, cg_type_desc::parse_opt_bool,
   "disable the use of the redzone"),
  ("relocation_model", cgsetters::relocation_model,
   cg_type_desc::parse_opt_string,
   "choose the relocation model to use (llc -relocation-model for details)"),
  ("code_model", cgsetters::code_model, cg_type_desc::parse_opt_string,
   "choose the code model to use (llc -code-model for details)"),
  ("metadata", cgsetters::metadata, cg_type_desc::parse_list,
   "metadata to mangle symbol names with"),
  ("extra_filename", cgsetters::extra_filename, cg_type_desc::parse_string,
   "extra data to put in each output filename"),
  ("codegen_units", cgsetters::codegen_units, cg_type_desc::parse_uint,
   "divide crate into N units to optimize in parallel"),
  ("remark", cgsetters::remark, cg_type_desc::parse_passes,
   "print remarks for these optimization passes (space separated, or \"all\")"),
  ("no_stack_check", cgsetters::no_stack_check, cg_type_desc::parse_bool,
   "disable checks for stack exhaustion (a memory-safety hazard!)"),
  ("debuginfo", cgsetters::debuginfo, cg_type_desc::parse_opt_uint,
   "debug info emission level, 0 = no debug info, 1 = line tables only, 2 = full debug info with variable and type information"),
  ("opt_level", cgsetters::opt_level, cg_type_desc::parse_opt_string,
   "optimize with possible levels 0-3, s, or z"),
  ("debug_assertions", cgsetters::debug_assertions,
   cg_type_desc::parse_opt_bool,
   "explicitly enable the cfg(debug_assertions) directive"),
  ("inline_threshold", cgsetters::inline_threshold,
   cg_type_desc::parse_opt_uint, "set the inlining threshold for"),
  ("panic", cgsetters::panic, cg_type_desc::parse_panic_strategy,
   "panic strategy to compile crate with")]

Unstable (rustc_private)