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NAME

       sancov - manual page for sancov 4.0

DESCRIPTION

       OVERVIEW:   Sanitizer   Coverage   Processing   Tool   USAGE:  sancov  [options]  (<binary
       file>|<.sancov file>)...

       OPTIONS:

       General options:

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

       =generic
              -   Emit generic NEON assembly

       =apple -   Emit Apple-style NEON assembly

       -amdgpu-dump-rtmd                               - Dump AMDGPU runtime metadata

       -amdgpu-spill-sgpr-to-smem                       -  Use  scalar  stores  to spill SGPRs if
              supported by subtarget

       -amdgpu-vgpr-index-mode                         - Use GPR indexing mode instead of  movrel
              for vector indexing

       -arm-execute-only                               -

       -arm-implicit-it                                 - Allow conditional instructions outdside
              of an IT block

       =always
              -   Accept in both ISAs, emit implicit ITs in Thumb

       =never -   Warn in ARM, reject in Thumb

       =arm   -   Accept in ARM, reject in Thumb

       =thumb -   Warn in ARM, emit implicit ITs in Thumb

       -blacklist=<string>                              -  Blacklist  file  (sanitizer  blacklist
              format).

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

       -color                                            -   use   colored   syntax  highlighting
              (default=autodetect)

              Action (required)

       -print                                        - Print coverage addresses

       -print-coverage-pcs                            -  Print  coverage  instrumentation  points
              addresses.

       -covered-functions                            - Print all covered funcions.

       -not-covered-functions                        - Print all not covered funcions.

       -print-coverage-stats                         - Print coverage statistics.

       -html-report                                      -     REMOVED.    Use    -symbolize    &
              coverage-report-server.py.

       -symbolize                                    - Produces a  symbolized  JSON  report  from
              binary report.

       -merge                                        - Merges reports.

       -cvp-dont-process-adds                          -

       -demangle                                       - Print demangled function name.

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

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

       -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

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

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

       -hash-based-counter-split                        -  Rename  counter  variable  of a comdat
              function based on cfg hash

       -ignore-empty-index-file                        - Ignore an empty index file  and  perform
              non-ThinLTO compilation

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

       -imp-null-max-insts-to-consider=<uint>           -  The  max  number  of  instructions  to
              consider hoisting loads over (the algorithm is quadratic over this number)

       -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

       -lto-pass-remarks-output=<filename>             - Output filename for pass remarks

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

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

       -mfuture-regs                                   - Enable future registers

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

       =never
              -   Do not use compact branches if possible.

       =optimal
              -   Use compact branches where appropiate (default).

       =always
              -   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
              contigious

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

       -no-discriminators                               -  Disable  generation  of  discriminator
              information.

       -nvptx-sched4reg                                - NVPTX Specific:  schedule  for  register
              pressue

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

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

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

       -r600-ir-structurize                            - Use StructurizeCFG IR pass

       -rdf-dump                                       -

       -rdf-limit=<uint>                               -

       -regalloc                                       - Register allocator to use

       =default
              -   pick register allocator based on -O option

       =pbqp  -   PBQP register allocator

       =greedy
              -   greedy register allocator

       =fast  -   fast register allocator

       =basic -   basic register allocator

       -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.

       -skip-dead-files                                 -  Do  not  list  dead  source  files  in
              reports.

       -stackmap-version=<int>                         - Specify the  stackmap  encoding  version
              (default = 2)

       -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

       -strip_path_prefix=<string>                      -  Strip  this  prefix from file paths in
              reports.

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

       -threads=<int>                                  -

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

       -verify-debug-info                              -

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

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

       -verify-loop-lcssa                              - Verify loop lcssa form (time consuming)

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

       -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
              profiler

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

       =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

SEE ALSO

       The full documentation for sancov is maintained as a Texinfo  manual.   If  the  info  and
       sancov programs are properly installed at your site, the command

              info sancov

       should give you access to the complete manual.