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LLI(1) User Commands LLI(1)


lli - manual page for lli 3.9


ERROR: object '' from LD_PRELOAD cannot be preloaded (cannot open shared object file): ignored. OVERVIEW: llvm interpreter & dynamic compiler

USAGE: lli [subcommand] [options] <input bitcode> <program arguments>...


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:

- Emit generic NEON assembly
- 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

- Target default JIT code model
- Small code model
- Kernel code model
- Medium code model
- Large code model

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

-disable-lazy-compilation - Disable JIT lazy compilation

-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

- Target default float ABI type
- Soft float ABI (implied by -soft-float)
- Hard float ABI (uses FP registers)

-force-interpreter - Force interpretation: disable JIT

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.

- Orc-based MCJIT replacement
- Orc-based lazy JIT.

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

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

-load=<pluginfilename> - Load the specified plugin

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

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

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 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

-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

- pick register allocator based on -O option
- PBQP register allocator
- greedy register allocator
- fast register allocator
- basic register allocator

-relocation-model - Choose relocation model

- Non-relocatable code
- Fully relocatable, position independent code
- 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 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:

- Emit AT&T-style assembly
- 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

June 2017 lli 3.9