Provided by: llvm-3.9_3.9.1-19ubuntu2_amd64 bug


       llvm-mc - manual page for llvm-mc 3.9


       OVERVIEW: llvm machine code playground

       USAGE: llvm-mc [subcommand] [options] <input file>


       General options:

       -I=<directory>                                  - Directory of include files

       -aarch64-neon-syntax                             -  Choose style of NEON code to emit from
              AArch64 backend:

              -   Emit generic NEON assembly

       =apple -   Emit Apple-style NEON assembly

       -amdgpu-fast-fdiv                               - Enable faster 2.5 ulp fdiv

       -arch=<string>                                   -  Target  arch  to  assemble  for,   see
              -version for available targets

       -asm-instrumentation                             -  Instrumentation of inline assembly and
              assembly source files

       =none  -   no instrumentation at all

              -   instrument instructions with memory arguments

       -asm-show-inst                                  - Emit internal instruction representation
              to assembly file

       -bounds-checking-single-trap                    - Use one trap block per function

       -code-model                                     - Choose code model

              -   Target default code model

       =small -   Small code model

              -   Kernel code model

              -   Medium code model

       =large -   Large code model

       -color                                            -   use   colored   syntax  highlighting

       -compress-debug-sections                        - Choose DWARF debug sections compression:

       =none  -   No compression

       =zlib  -   Use zlib compression

              -   Use zlib-gnu compression (depricated)

       -defsym=<string>                                -  Defines  a  symbol  to  be  an  integer

       -disable-spill-fusing                            -  Disable  fusing  of  spill  code  into

              Action to perform:

       -as-lex                                       - Lex tokens from a .s file

       -assemble                                     - Assemble a .s file (default)

       -disassemble                                  - Disassemble strings of hex bytes

       -mdis                                         - Marked up disassembly of  strings  of  hex

       -dwarf-version=<int>                            - Dwarf version

       -enable-implicit-null-checks                     -  Fold  null checks into faulting memory

       -enable-load-pre                                -

       -enable-name-compression                        - Enable name string compression

       -enable-objc-arc-opts                           - enable/disable all ARC Optimizations

       -enable-scoped-noalias                          -

       -enable-tbaa                                    -

       -exhaustive-register-search                      -   Exhaustive   Search   for   registers
              bypassing the depth and interference cutoffs of last chance recoloring

       -expensive-combines                             - Enable expensive instruction combines

       -fatal-warnings                                 - Treat warnings as errors

       -fdebug-compilation-dir=<string>                 -  Specifies the debug info's compilation

       -filetype                                       - Choose an output file type:

       =asm   -   Emit an assembly ('.s') file

       =null  -   Don't emit anything (for timing purposes)

       =obj   -   Emit a native object ('.o') file

       -filter-print-funcs=<function names>            - Only print IR for functions  whose  name
              match this for all print-[before|after][-all] options

       -g                                                -  Generate  dwarf  debugging  info  for
              assembly source files

       -gpsize=<uint>                                  - Global Pointer Addressing Size.
              The default size is 8.

       -imp-null-check-page-size=<int>                 - The page size of the target in bytes

       -incremental-linker-compatible                  - When used  with  filetype=obj,  emit  an
              object file which can be used with an incremental linker

       -internalize-public-api-file=<filename>          -  A file containing list of symbol names
              to preserve

       -internalize-public-api-list=<list>             - A list of symbol names to preserve

       -join-liveintervals                             - Coalesce copies (default=true)

       -limit-float-precision=<uint>                   - Generate low-precision inline  sequences
              for some float libcalls

       -main-file-name=<string>                         -  Specifies  the name we should consider
              the input file

       -mattr=<a1,+a2,-a3,...>                         - Target specific attributes  (-mattr=help
              for details)

       -mc-relax-all                                    -  When used with filetype=obj, relax all
              fixups in the emitted object file

       -mcpu=<cpu-name>                                - Target a specific cpu  type  (-mcpu=help
              for details)

       -merror-missing-parenthesis                      -  Error  for  missing parenthesis around
              predicate registers

       -merror-noncontigious-register                  - Error for  register  names  that  aren't

       -mfuture-regs                                   - Enable future registers

       -mips-compact-branches                          - MIPS Specific: Compact branch policy.

              -   Do not use compact branches if possible.

              -   Use compact branches where appropiate (default).

              -   Always use compact branches if possible.

       -mips16-constant-islands                        - Enable mips16 constant islands.

       -mips16-hard-float                              - Enable mips16 hard float.

       -mno-compound                                      -    Disable   looking   for   compound
              instructions for Hexagon

       -mno-fixup                                      - Disable fixing up  resolved  relocations
              for Hexagon

       -mno-ldc1-sdc1                                  - Expand double precision loads and stores
              to their single precision counterparts

       -mno-pairing                                    - Disable looking for duplex  instructions
              for Hexagon

       -mwarn-missing-parenthesis                       -  Warn  for  missing  parenthesis around
              predicate registers

       -mwarn-noncontigious-register                   -  Warn  for  register  names  that  arent

       -mwarn-sign-mismatch                             -  Warn  for  mismatching  a  signed  and
              unsigned value

       -n                                              - Don't assume assembly file starts in the
              text section

       -no-discriminators                               -  Disable  generation  of  discriminator

       -no-exec-stack                                  - File doesn't need an exec stack

       -no-warn                                        - Suppress all warnings

       -nvptx-sched4reg                                - NVPTX Specific:  schedule  for  register

       -o=<filename>                                   - Output filename

       -output-asm-variant=<uint>                        -  Syntax  variant  to  use  for  output

       -position-independent                           - Position independent

       -preserve-comments                              - Preserve Comments in outputted assembly

       -print-after-all                                - Print IR after each pass

       -print-before-all                               - Print IR before each pass

       -print-imm-hex                                  - Prefer hex format for immediate values

       -print-machineinstrs=<pass-name>                - Print machine instrs

       -r600-ir-structurize                            - Use StructurizeCFG IR pass

       -rdf-dump                                       -

       -rdf-limit=<uint>                               -

       -regalloc                                       - Register allocator to use

              -   pick register allocator based on -O option

       =pbqp  -   PBQP register allocator

              -   greedy register allocator

       =fast  -   fast register allocator

       =basic -   basic register allocator

       -relax-relocations                               -  Emit  R_X86_64_GOTPCRELX  instead   of

       -rewrite-map-file=<filename>                    - Symbol Rewrite Map

       -rng-seed=<seed>                                - Seed for the random number generator

       -sample-profile-check-record-coverage=<N>        -  Emit  a  warning  if  less  than N% of
              records in the input profile are matched to the IR.

       -sample-profile-check-sample-coverage=<N>       - Emit  a  warning  if  less  than  N%  of
              samples in the input profile are matched to the IR.

       -sample-profile-inline-hot-threshold=<N>         - Inlined functions that account for more
              than N% of all samples collected in the parent function, will be inlined again.

       -sample-profile-max-propagate-iterations=<uint> -  Maximum  number  of  iterations  to  go
              through when propagating sample block/edge weights through the CFG.

       -save-temp-labels                               - Don't discard temporary labels

       -show-encoding                                  - Show instruction encodings

       -show-inst                                      - Show internal instruction representation

       -show-inst-operands                             - Show instructions operands as parsed

       -stackmap-version=<int>                          -  Specify  the stackmap encoding version
              (default = 1)

       -static-func-full-module-prefix                 - Use  full  module  build  paths  in  the
              profile counter names for static functions.

       -stats                                           -  Enable  statistics output from program
              (available with Asserts)

       -stats-json                                     - Display statistics as json data

       -summary-file=<string>                          - The summary file  to  use  for  function

       -threads=<int>                                  -

       -time-passes                                     -  Time  each pass, printing elapsed time
              for each on exit

       -triple=<string>                                -  Target  triple  to  assemble  for,  see
              -version for available targets

       -verify-debug-info                              -

       -verify-dom-info                                - Verify dominator info (time consuming)

       -verify-loop-info                               - Verify loop info (time consuming)

       -verify-machine-dom-info                         -  Verify  machine  dominator  info (time

       -verify-regalloc                                - Verify during register allocation

       -verify-region-info                             - Verify region info (time consuming)

       -verify-scev                                    - Verify ScalarEvolution's backedge  taken
              counts (slow)

       -verify-scev-maps                                  -   Verify   no   dangling   value   in
              ScalarEvolution's ExprValueMap (slow)

       -vp-counters-per-site=<number>                  - The average number of  profile  counters
              allocated per value profiling site.

       -vp-static-alloc                                 -  Do static counter allocation for value

       -x86-asm-syntax                                 - Choose style of code to  emit  from  X86

       =att   -   Emit AT&T-style assembly

       =intel -   Emit Intel-style assembly

       Generic Options:

       -help                                            - Display available options (-help-hidden
              for more)

       -help-list                                       -  Display  list  of  available   options
              (-help-list-hidden for more)

       -version                                        - Display the version of this program