llvm-xray-4.0 --version (return code: 0)
LLVM (http://llvm.org/):
LLVM version 4.0.0
Optimized build.
Default target: x86_64-pc-linux-gnu
Host CPU: ivybridge
llvm-xray-4.0 --help (return code: 0)
OVERVIEW: XRay Tools
This program consolidates multiple XRay trace processing tools for convenient access.
USAGE: llvm-xray-4.0 [subcommand] [options]
SUBCOMMANDS:
account - Function call accounting
convert - Trace Format Conversion
extract - Extract instrumentation maps
Type "llvm-xray-4.0 <subcommand> -help" to get more help on a specific subcommand
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
-bounds-checking-single-trap - Use one trap block per function
-color - use colored syntax highlighting (default=autodetect)
-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.
-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
-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