Provided by: clang-tools-13_13.0.1-13_amd64 bug

NAME

       clang-repl - manual page for clang-repl 13

DESCRIPTION

       USAGE: clang-repl [options] [code to run]

       OPTIONS:

       Color Options:

       --color                                                                 -  Use  colors  in
              output (default=autodetect)

       General options:

       --Xcc=<string>                                                        - Argument  to  pass
              to the CompilerInvocation

       --aarch64-neon-syntax=<value>                                          -  Choose  style of
              NEON code to emit from AArch64 backend:

       =generic
              -   Emit generic NEON assembly

       =apple -   Emit Apple-style NEON assembly

       --aarch64-use-aa                                                      - Enable the use  of
              AA during codegen.

       --abort-on-max-devirt-iterations-reached                              - Abort when the max
              iterations for devirtualization CGSCC repeat pass is reached

       --addrsig                                                                -     Emit     an
              address-significance table

       --allow-ginsert-as-artifact                                            - Allow G_INSERT to
              be considered an artifact. Hack around AMDGPU test infinite loops.

       --amdgpu-bypass-slow-div                                              - Skip 64-bit divide
              for dynamic 32-bit values

       --amdgpu-disable-loop-alignment                                        -  Do not align and
              prefetch loops

       --amdgpu-disable-power-sched                                          - Disable scheduling
              to minimize mAI power bursts

       --amdgpu-dpp-combine                                                     -    Enable   DPP
              combiner

       --amdgpu-dump-hsa-metadata                                            -  Dump  AMDGPU  HSA
              Metadata

       --amdgpu-enable-flat-scratch                                           -  Use flat scratch
              instructions

       --amdgpu-enable-merge-m0                                              - Merge and hoist M0
              initializations

       --amdgpu-promote-alloca-to-vector-limit=<uint>                         - Maximum byte size
              to consider promote alloca to vector

       --amdgpu-reserve-vgpr-for-sgpr-spill                                  - Allocates one VGPR
              for future SGPR Spill

       --amdgpu-sdwa-peephole                                                   -   Enable   SDWA
              peepholer

       --amdgpu-use-aa-in-codegen                                            - Enable the use  of
              AA during codegen.

       --amdgpu-verify-hsa-metadata                                           - Verify AMDGPU HSA
              Metadata

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

       --arm-add-build-attributes                                            -

       --arm-implicit-it=<value>                                              - 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

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

       --atomic-counter-update-promoted                                       - Do counter update
       using atomic fetch add
              for promoted counters only

       --atomic-first-counter                                                - Use  atomic  fetch
              add for first counter in a function (usually the entry counter)

       --basic-block-sections=<all  | <function list (file)> | labels | none> - Emit basic blocks
              into separate sections

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

       --cfg-hide-cold-paths=<number>                                         -  Hide blocks with
              relative frequency below the given value

       --cfg-hide-deoptimize-paths                                           -

       --cfg-hide-unreachable-paths                                          -

       --code-model=<value>                                                  - Choose code model

       =tiny  -   Tiny code model

       =small -   Small code model

       =kernel
              -   Kernel code model

       =medium
              -   Medium code model

       =large -   Large code model

       --cost-kind=<value>                                                   - Target cost kind

       =throughput
              -   Reciprocal throughput

       =latency
              -   Instruction latency

       =code-size
              -   Code size

       =size-latency
              -   Code size and latency

       --data-sections                                                        -  Emit  data  into
              separate sections

       --debug-entry-values                                                   - Enable debug info
              for the debug entry values.

       --debugger-tune=<value>                                               -  Tune  debug  info
              for a particular debugger

       =gdb   -   gdb

       =lldb  -   lldb

       =dbx   -   dbx

       =sce   -   SCE targets (e.g. PS4)

       --debugify-level=<value>                                              - Kind of debug info
              to add

       =locations
              -   Locations only

       =location+variables
              -   Locations and Variables

       --debugify-quiet                                                      -  Suppress  verbose
              debugify output

       --denormal-fp-math=<value>                                              -   Select   which
              denormal numbers the code is permitted to require

       =ieee  -   IEEE 754 denormal numbers

       =preserve-sign
              -   the sign of a  flushed-to-zero number is preserved in the sign of 0

       =positive-zero
              -   denormals are flushed to positive zero

       --denormal-fp-math-f32=<value>                                          -   Select   which
              denormal numbers the code is permitted to require for float

       =ieee  -   IEEE 754 denormal numbers

       =preserve-sign
              -   the sign of a  flushed-to-zero number is preserved in the sign of 0

       =positive-zero
              -   denormals are flushed to positive zero

       --disable-i2p-p2i-opt                                                      -      Disables
              inttoptr/ptrtoint roundtrip optimization

       --disable-promote-alloca-to-lds                                        -  Disable  promote
              alloca to LDS

       --disable-promote-alloca-to-vector                                     -  Disable  promote
              alloca to vector

       --disable-tail-calls                                                  -  Never  emit  tail
              calls

       --do-counter-promotion                                                   -    Do   counter
              register promotion

       --dot-cfg-mssa=<file name for generated dot  file>                      -  file  name  for
              generated dot file

       --dwarf-version=<int>                                                 - Dwarf version

       --dwarf64                                                             - Generate debugging
              info in the 64-bit DWARF format

       --emit-call-site-info                                                  -  Emit  call  site
              debug information, if debug information is enabled.

       --emscripten-cxx-exceptions-allowed=<string>                            -   The   list  of
              function names  in  which  Emscripten-style  exception  handling  is  enabled  (see
              emscripten EMSCRIPTEN_CATCHING_ALLOWED options)

       --emulated-tls                                                         -  Use emulated TLS
              model

       --enable-cse-in-irtranslator                                          - Should enable  CSE
              in irtranslator

       --enable-cse-in-legalizer                                              - Should enable CSE
              in Legalizer

       --enable-emscripten-cxx-exceptions                                       -     WebAssembly
              Emscripten-style exception handling

       --enable-emscripten-sjlj                                                  -    WebAssembly
              Emscripten-style setjmp/longjmp handling

       --enable-gvn-hoist                                                     -  Enable  the  GVN
              hoisting pass (default = off)

       --enable-gvn-memdep                                                   -

       --enable-gvn-sink                                                      -  Enable  the  GVN
              sinking pass (default = off)

       --enable-load-in-loop-pre                                             -

       --enable-load-pre                                                     -

       --enable-loop-simplifycfg-term-folding                                -

       --enable-name-compression                                                   -       Enable
              name/filename string compression

       --enable-no-infs-fp-math                                               -  Enable  FP  math
              optimizations that assume no +-Infs

       --enable-no-nans-fp-math                                               -  Enable  FP  math
              optimizations that assume no NaNs

       --enable-no-signed-zeros-fp-math                                       -  Enable  FP  math
              optimizations that assume the sign of 0 is insignificant

       --enable-no-trapping-fp-math                                          - Enable setting the
              FP exceptions build attribute not to use exceptions

       --enable-split-backedge-in-load-pre                                   -

       --enable-unsafe-fp-math                                                     -       Enable
              optimizations that may decrease FP precision

       --exception-model=<value>                                             - exception model

       =default
              -   default exception handling model

       =dwarf -   DWARF-like CFI based exception handling

       =sjlj  -   SjLj exception handling

       =arm   -   ARM EHABI exceptions

       =wineh -   Windows exception model

       =wasm  -   WebAssembly exception handling

       --execute-concurrency=<uint>                                           -  The  number   of
              threads  used  to process all files in parallel. Set to 0 for hardware concurrency.
              This flag only applies to all-TUs.

       --executor=<string>                                                   - The  name  of  the
              executor to use.

       --experimental-debug-variable-locations                                -  Use experimental
              new value-tracking variable locations

       --fatal-warnings                                                      - Treat warnings  as
              errors

       --filetype=<value>                                                    - Choose a file type
              (not all types are supported by all targets):

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

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

       =null  -   Emit nothing, for performance testing

       --filter=<string>                                                     - Only process files
              that match this filter. This flag only applies to all-TUs.

       --float-abi=<value>                                                    -  Choose float ABI
              type

       =default
              -   Target default float ABI type

       =soft  -   Soft float ABI (implied by -soft-float)

       =hard  -   Hard float ABI (uses FP registers)

       --force-dwarf-frame-section                                            -  Always  emit   a
              debug frame section.

       --force-opaque-pointers                                               - Force all pointers
              to be opaque pointers

       --fp-contract=<value>                                                 - Enable  aggressive
              formation of fused FP ops

       =fast  -   Fuse FP ops whenever profitable

       =on    -   Only fuse 'blessed' FP ops.

       =off   -   Only fuse FP ops when the result won't be affected.

       --frame-pointer=<value>                                                 -   Specify  frame
              pointer elimination optimization

       =all   -   Disable frame pointer elimination

       =non-leaf
              -   Disable frame pointer elimination for non-leaf frame

       =none  -   Enable frame pointer elimination

       --function-sections                                                    -  Emit   functions
              into separate sections

       --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

       --hot-cold-split                                                       -  Enable  hot-cold
              splitting pass

       --ignore-xcoff-visibility                                              -  Not   emit   the
              visibility attribute for asm in AIX OS or give all symbols 'unspecified' visibility
              in XCOFF object file

       --import-all-index                                                      -    Import    all
              external functions in index.

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

       --instcombine-code-sinking                                              -   Enable    code
              sinking

       --instcombine-guard-widening-window=<uint>                              -   How   wide  an
              instruction window to bypass looking for another guard

       --instcombine-max-iterations=<uint>                                   - Limit the  maximum
              number of instruction combining iterations

       --instcombine-max-num-phis=<uint>                                       -  Maximum  number
              phis to handle in intptr/ptrint folding

       --instcombine-maxarray-size=<uint>                                    - Maximum array size
              considered when doing a combine

       --instcombine-negator-enabled                                          - Should we attempt
              to sink negations?

       --instcombine-negator-max-depth=<uint>                                 -   What   is   the
              maximal lookup depth when trying to check for viability of negation sinking.

       --instrprof-atomic-counter-update-all                                  -  Make all profile
              counter updates atomic (for testing only)

       --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

       --iterative-counter-promotion                                          -   Allow   counter
              promotion across the whole loop nest.

       --lto-embed-bitcode=<value>                                           - Embed LLVM bitcode
              in object files produced by LTO

       =none  -   Do not embed

       =optimized
              -   Embed after all optimization passes

       =post-merge-pre-opt
              -   Embed post merge, but before optimizations

       --lto-pass-remarks-filter=<regex>                                       -   Only    record
              optimization remarks from passes whose names match the given regular expression

       --lto-pass-remarks-format=<format>                                     -  The  format used
              for serializing remarks (default: YAML)

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

       --march=<string>                                                       -  Architecture  to
              generate code for (see --version)

       --matrix-default-layout=<value>                                       - Sets  the  default
              matrix layout

       =column-major
              -   Use column-major layout

       =row-major
              -   Use row-major layout

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

       --max-counter-promotions=<int>                                         -  Max  number   of
              allowed counter promotions

       --max-counter-promotions-per-loop=<uint>                              - Max number counter
              promotions per loop to avoid increasing register pressure too much

       --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)

       --meabi=<value>                                                        -  Set  EABI   type
              (default depends on triple):

       =default
              -   Triple default EABI version

       =4     -   EABI version 4

       =5     -   EABI version 5

       =gnu   -   EABI GNU

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

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

       --mhvx                                                                  -  Enable  Hexagon
              Vector eXtensions

       --mhvx=<value>                                                         -  Enable   Hexagon
              Vector eXtensions

       =v60   -   Build for HVX v60

       =v62   -   Build for HVX v62

       =v65   -   Build for HVX v65

       =v66   -   Build for HVX v66

       =v67   -   Build for HVX v67

       =v68   -   Build for HVX v68

       --mips-compact-branches=<value>                                         -  MIPS  Specific:
              Compact branch policy.

       =never
              -   Do not use compact branches if possible.

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

       =always
              -   Always use compact branches if possible.

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

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

       --mir-strip-debugify-only                                                   -       Should
              mir-strip-debug only strip debug info from debugified modules by default

       --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-deprecated-warn                                                    -   Suppress   all
              deprecated warnings

       --no-discriminators                                                   - Disable generation
              of discriminator information.

       --no-type-check                                                        -   Suppress   type
              errors (Wasm)

       --no-warn                                                               -   Suppress   all
              warnings

       --no-xray-index                                                         -    Don't    emit
              xray_fn_idx section

       --nozero-initialized-in-bss                                              -   Don't   place
              zero-initialized symbols into bss section

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

       --poison-checking-function-local                                      - Check that returns
              are non-poison (for testing)

       --pseudo-probe-for-profiling                                          - Emit pseudo probes
              for AutoFDO

       --r600-ir-structurize                                                 - Use StructurizeCFG
              IR pass

       --rdf-dump                                                            -

       --rdf-limit=<uint>                                                    -

       --relax-elf-relocations                                                      -        Emit
              GOTPCRELX/REX_GOTPCRELX instead of GOTPCREL on x86-64 ELF

       --relocation-model=<value>                                             - Choose relocation
              model

       =static
              -   Non-relocatable code

       =pic   -   Fully relocatable, position independent code

       =dynamic-no-pic
              -   Relocatable external references, non-relocatable code

       =ropi  -   Code and read-only data relocatable, accessed PC-relative

       =rwpi  -   Read-write data relocatable, accessed relative to static base

       =ropi-rwpi
              -   Combination of ropi and rwpi

       --runtime-counter-relocation                                          - Enable  relocating
              counters at runtime.

       --safepoint-ir-verifier-print-only                                    -

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

       --skip-ret-exit-block                                                  -  Suppress counter
              promotion if exit blocks contain ret.

       --speculative-counter-promotion-max-exiting=<uint>                    - The max number  of
       exiting blocks of a loop to allow
              speculative counter promotion

       --speculative-counter-promotion-to-loop                               - When the option is
       false, if the target block is in a loop, the  promotion  will  be  disallowed  unless  the
       promoted counter
              update can be further/iteratively promoted into an acyclic  region.

       --split-machine-functions                                              -  Split  out  cold
              basic blocks from machine functions based on profile information

       --stack-size-section                                                   -  Emit  a  section
              containing stack size metadata

       --stack-symbol-ordering                                                - Order local stack
              symbols.

       --stackrealign                                                        -  Force  align  the
              stack to the minimum alignment

       --strict-dwarf                                                        - use strict dwarf

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

       --tail-predication=<value>                                                   -         MVE
              tail-predication pass options

       =disabled
              -   Don't tail-predicate loops

       =enabled-no-reductions
              -   Enable tail-predication, but not for reduction loops

       =enabled
              -   Enable tail-predication, including reduction loops

       =force-enabled-no-reductions
              -    Enable  tail-predication,  but  not  for reduction loops, and force this which
              might be unsafe

       =force-enabled
              -   Enable tail-predication, including reduction loops, and force this which  might
              be unsafe

       --tailcallopt                                                          - Turn fastcc calls
              into tail calls by (potentially) changing ABI.

       --thinlto-assume-merged                                               - Assume  the  input
              has  already  undergone  ThinLTO  function importing and the other pre-optimization
              pipeline changes.

       --thread-model=<value>                                                -  Choose  threading
              model

       =posix
              -   POSIX thread model

       =single
              -   Single thread model

       --threads=<int>                                                       -

       --tls-size=<uint>                                                       -   Bit   size  of
              immediate TLS offsets

       --unique-basic-block-section-names                                    - Give unique  names
              to every basic block section

       --unique-section-names                                                 - Give unique names
              to every section

       --use-ctors                                                           - Use .ctors instead
              of .init_array.

       --vec-extabi                                                           -  Enable  the  AIX
              Extended Altivec ABI.

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

       --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-align-branch=<string>                                            -  Specify types of
       branches to align (plus separated list of types):
              jcc      indicates conditional jumps fused    indicates fused conditional jumps jmp
              indicates  direct  unconditional jumps call     indicates direct and indirect calls
              ret      indicates rets indirect indicates indirect unconditional jumps

       --x86-align-branch-boundary=<uint>                                    -  Control  how  the
              assembler  should  align  branches  with  NOP.  If the boundary's size is not 0, it
              should be a power of 2 and no less than 32. Branches will  be  aligned  to  prevent
              from  being  across  or against the boundary of specified size. The default value 0
              does not align branches.

       --x86-branches-within-32B-boundaries                                   -  Align   selected
       instructions  to  mitigate  negative  performance  impact of Intel's micro code update for
       errata skx102.
              May break assumptions about labels corresponding to  particular  instructions,  and
              should be used with caution.

       --x86-pad-max-prefix-size=<uint>                                       - Maximum number of
              prefixes to use for padding

       --xcoff-traceback-table                                                -  Emit  the  XCOFF
              traceback table

       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

       Polly Options: Configure the polly loop optimizer

       --polly                                                               - Enable  the  polly
              optimizer (with -O1, -O2 or -O3)

       --polly-2nd-level-tiling                                              - Enable a 2nd level
              loop of loop tiling

       --polly-ast-print-accesses                                              -   Print   memory
              access functions

       --polly-context=<isl parameter set>                                   - Provide additional
              constraints on the context parameters

       --polly-dce-precise-steps=<int>                                        -  The  number   of
              precise  steps  between  two  approximating  iterations.  (A  value of -1 schedules
              another approximation stage before the actual dead code elimination.

       --polly-delicm-max-ops=<int>                                          - Maximum number  of
              isl operations to invest for lifetime analysis; 0=no limit

       --polly-detect-full-functions                                            -    Allow    the
              detection of full functions

       --polly-dump-after                                                    - Dump module  after
              Polly transformations into a file suffixed with "-after"

       --polly-dump-after-file=<string>                                       - Dump module after
              Polly transformations to the given file

       --polly-dump-before                                                   - Dump module before
              Polly transformations into a file suffixed with "-before"

       --polly-dump-before-file=<string>                                     - Dump module before
              Polly transformations to the given file

       --polly-enable-simplify                                                -   Simplify   SCoP
              after optimizations

       --polly-ignore-func=<string>                                           -  Ignore functions
              that match a regex. Multiple regexes can be comma separated.  Scop  detection  will
              ignore all functions that match ANY of the regexes provided.

       --polly-isl-arg=<argument>                                             -  Option passed to
              ISL

       --polly-on-isl-error-abort                                            - Abort  if  an  isl
              error is encountered

       --polly-only-func=<string>                                              -   Only   run  on
              functions that match a  regex.  Multiple  regexes  can  be  comma  separated.  Scop
              detection will run on all functions that match ANY of the regexes provided.

       --polly-only-region=<identifier>                                        -   Only   run  on
              certain regions (The provided identifier must appear in the name  of  the  region's
              entry block

       --polly-only-scop-detection                                             -  Only  run  scop
              detection, but no other optimizations

       --polly-optimized-scops                                                -  Polly   -   Dump
              polyhedral description of Scops optimized with the isl scheduling optimizer and the
              set of post-scheduling transformations is applied on the schedule tree

       --polly-parallel                                                       -  Generate  thread
              parallel code (isl codegen only)

       --polly-parallel-force                                                 -  Force generation
              of thread parallel code ignoring any cost model

       --polly-pattern-matching-based-opts                                        -       Perform
              optimizations based on pattern matching

       --polly-pragma-based-opts                                                    -       Apply
              user-directed transformation from metadata

       --polly-process-unprofitable                                          - Process scops that
              are unlikely to benefit from Polly optimizations.

       --polly-register-tiling                                                -  Enable  register
              tiling

       --polly-report                                                        - Print  information
              about the activities of Polly

       --polly-show                                                          - Highlight the code
              regions that will be optimized in a (CFG BBs and LLVM-IR instructions)

       --polly-show-only                                                     - Highlight the code
              regions that will be optimized in a (CFG only BBs)

       --polly-stmt-granularity=<value>                                       -  Algorithm to use
              for splitting basic blocks into multiple statements

       =bb    -   One statement per basic block

       =scalar-indep
              -   Scalar independence heuristic

       =store -   Store-level granularity

       --polly-target=<value>                                                -  The  hardware  to
              target

       =cpu   -   generate CPU code

       --polly-tiling                                                        - Enable loop tiling

       --polly-vectorizer=<value>                                               -    Select   the
              vectorization strategy

       =none  -   No Vectorization

       =polly -   Polly internal vectorizer

       =stripmine
              -   Strip-mine outer loops for the loop-vectorizer to trigger