LLI(1) User Commands LLI(1)NAME
lli - manual page for lli 3.9
DESCRIPTION
OVERVIEW: llvm interpreter & dynamic compiler
USAGE: lli [subcommand] [options] <input bitcode> <program argu‐
ments>...
OPTIONS:
General options:
-O=<char> - Optimization level.
[-O0, -O1, -O2, or -O3] (default = '-O2')
-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-fast-fdiv - Enable faster 2.5 ulp
fdiv
-bounds-checking-single-trap - Use one trap block
per function
-code-model - Choose code model
=default
- Target default JIT code model
=small - Small code model
=kernel
- Kernel code model
=medium
- Medium code model
=large - Large code model
-color - use colored syntax
highlighting (default=autodetect)
-disable-lazy-compilation - Disable JIT lazy com‐
pilation
-disable-spill-fusing - Disable fusing of
spill code into instructions
-enable-cache-manager - Use cache manager to
save/load mdoules
-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-
-entry-function=<function> - Specify the entry
function (default = 'main') of the executable
-exhaustive-register-search - Exhaustive Search for
registers bypassing the depth and interference cutoffs of last
chance recoloring
-expensive-combines - Enable expensive
instruction combines
-extra-archive=<input archive> - Extra archive files
to be loaded
-extra-module=<input bitcode> - Extra modules to be
loaded
-extra-object=<input object> - Extra object files to
be loaded
-fake-argv0=<executable> - Override the
'argv[0]' value passed into the executing program
-filter-print-funcs=<function names> - Only print IR for
functions whose name match this for all
print-[before|after][-all] options
-float-abi - 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-interpreter - Force interpretation:
disable JIT
-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
-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
-jit-kind - Choose underlying JIT
kind.
=mcjit
- MCJIT
=orc-mcjit
- Orc-based MCJIT replacement
=orc-lazy
- Orc-based lazy JIT.
-join-liveintervals - Coalesce copies
(default=true)
-limit-float-precision=<uint> - Generate low-preci‐
sion inline sequences for some float libcalls
-load=<pluginfilename> - Load the specified
plugin
-march=<string> - Architecture to gen‐
erate assembly for (see --version)
-mattr=<a1,+a2,-a3,...> - Target specific
attributes (-mattr=help for details)
-mcjit-remote-process=<filename> - Specify the filename
of the process to launch for remote MCJIT execution.
If none is specified, remote execution will be simulated
in-process.
-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 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
-mtriple=<string> - Override target
triple for module
-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
-object-cache-dir=<string> - Directory to store
cached object files (must be user writable)
-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
-relocation-model - Choose relocation
model
=static
- Non-relocatable code
=pic - Fully relocatable, position independent code
=dynamic-no-pic
- Relocatable external references, non-relocatable code
-remote-mcjit - Execute MCJIT'ed code
in a separate process.
-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.
-soft-float - Generate software
floating point library calls
-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 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-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
lli 3.9 December 2017 LLI(1)
