LLVM-SIZE(1) User Commands LLVM-SIZE(1)NAME
llvm-size - manual page for llvm-size 4.0
DESCRIPTION
OVERVIEW: llvm object size dumper
USAGE: llvm-size [options] <input files>
OPTIONS:
General options:
Specify output format
-A - System V format
-B - Berkeley format
-m - Darwin -m format
-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
-arch=<string> - architecture(s) from
a Mach-O file to dump
-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
-bounds-checking-single-trap - Use one trap block
per function
-color - use colored syntax
highlighting (default=autodetect)
-common - Print common symbols
in the ELF file.
When using Berkely format, this is added to bss.
-cvp-dont-process-adds-
Print size in radix:
-o - Print size in octal
-d - Print size in decimal
-x - Print size in hexadeci‐
mal
-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
-format - Specify output format
=sysv - System V format
=berkeley
- Berkeley format
=darwin
- Darwin -m format
-gpsize=<uint> - Global Pointer
Addressing Size.
The default size is 8.
-hash-based-counter-split - Rename counter vari‐
able 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)
-l - When format is dar‐
win, use long format to include addresses and offsets.
-limit-float-precision=<uint> - Generate low-preci‐
sion 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 regis‐
ters
-mips-compact-branches - MIPS Specific: Com‐
pact 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 con‐
stant 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 preci‐
sion 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
-radix=<uint> - Print size in radix.
Only 8, 10, and 16 are valid
-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.
-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
-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
-totals - Print totals of all
objects - Berkeley format only
-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 domi‐
nator info (time consuming)
-verify-regalloc - Verify during regis‐
ter allocation
-verify-region-info - Verify region info
(time consuming)
-verify-scev - Verify ScalarEvolu‐
tion'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 llvm-size is maintained as a Texinfo manual.
If the info and llvm-size programs are properly installed at your site,
the command
info llvm-size
should give you access to the complete manual.
llvm-size 4.0 October 2017 LLVM-SIZE(1)
