LLVM (http://llvm.org/): LLVM version 3.8.0 Optimized build. Built Jul 9 2016 (11:22:59). Default target: x86_64-pc-linux-gnu Host CPU: ivybridge Registered Targets: aarch64 - AArch64 (little endian) aarch64_be - AArch64 (big endian) amdgcn - AMD GCN GPUs arm - ARM arm64 - ARM64 (little endian) armeb - ARM (big endian) bpf - BPF (host endian) bpfeb - BPF (big endian) bpfel - BPF (little endian) cpp - C++ backend hexagon - Hexagon mips - Mips mips64 - Mips64 [experimental] mips64el - Mips64el [experimental] mipsel - Mipsel msp430 - MSP430 [experimental] nvptx - NVIDIA PTX 32-bit nvptx64 - NVIDIA PTX 64-bit ppc32 - PowerPC 32 ppc64 - PowerPC 64 ppc64le - PowerPC 64 LE r600 - AMD GPUs HD2XXX-HD6XXX sparc - Sparc sparcel - Sparc LE sparcv9 - Sparc V9 systemz - SystemZ thumb - Thumb thumbeb - Thumb (big endian) x86 - 32-bit X86: Pentium-Pro and above x86-64 - 64-bit X86: EM64T and AMD64 xcore - XCore

OVERVIEW: llvm machine code playground USAGE: llvm-mc-3.8 [options] <input file> OPTIONS: General options: -I=<directory> - Directory of include files -aarch64-neon-syntax - Choose style of NEON code to emit from AArch64 backend: =generic - Emit generic NEON assembly =apple - Emit Apple-style NEON assembly -arch=<string> - Target arch to assemble for, see -version for available targets -asm-instrumentation - Instrumentation of inline assembly and assembly source files =none - no instrumentation at all =address - instrument instructions with memory arguments -asm-show-inst - Emit internal instruction representation to assembly file -bounds-checking-single-trap - Use one trap block per function -code-model - Choose code model =default - Target default 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) -compress-debug-sections - Compress DWARF debug sections -cppfname=<function name> - Specify the name of the generated function -cppfor=<string> - Specify the name of the thing to generate -cppgen - Choose what kind of output to generate =program - Generate a complete program =module - Generate a module definition =contents - Generate contents of a module =function - Generate a function definition =functions - Generate all function definitions =inline - Generate an inline function =variable - Generate a variable definition =type - Generate a type definition -defsym=<string> - Defines a symbol to be an integer constant -disable-spill-fusing - Disable fusing of spill code into instructions -dwarf-version=<int> - Dwarf version -enable-implicit-null-checks - Fold null checks into faulting memory operations -enable-load-pre - -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 -fatal-warnings - Treat warnings as errors -fdebug-compilation-dir=<string> - Specifies the debug info's compilation dir -filetype - Choose an output file type: =asm - Emit an assembly ('.s') file =null - Don't emit anything (for timing purposes) =obj - Emit a native object ('.o') file -filter-print-funcs=<function names> - Only print IR for functions whose name match this for all print-[before|after][-all] options -g - Generate dwarf debugging info for assembly source files -gpsize=<uint> - Global Pointer Addressing Size. The default size is 8. -imp-null-check-page-size=<uint> - The page size of the target in bytes -incremental-linker-compatible - When used with filetype=obj, emit an object file which can be used with an incremental linker -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 -main-file-name=<string> - Specifies the name we should consider the input file -mattr=<a1,+a2,-a3,...> - Target specific attributes (-mattr=help for details) -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) Action to perform: -as-lex - Lex tokens from a .s file -assemble - Assemble a .s file (default) -disassemble - Disassemble strings of hex bytes -mdis - Marked up disassembly of strings of hex bytes -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 -mips16-constant-islands - Enable mips16 constant islands. -mips16-hard-float - Enable mips16 hard float. -mno-compound - Disable looking for compound instructions 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 -n - Don't assume assembly file starts in the text section -no-discriminators - Disable generation of discriminator information. -no-exec-stack - File doesn't need an exec stack -no-warn - Suppress all warnings -nvptx-sched4reg - NVPTX Specific: schedule for register pressue -o=<filename> - Output filename -output-asm-variant=<uint> - Syntax variant to use for output printing -print-after-all - Print IR after each pass -print-before-all - Print IR before each pass -print-imm-hex - Prefer hex format for immediate values -print-machineinstrs=<pass-name> - Print machine instrs -rdf-dump - -rdf-limit=<uint> - -regalloc - Register allocator to use =default - pick register allocator based on -O option =basic - basic register allocator =fast - fast register allocator =greedy - greedy register allocator =pbqp - PBQP register allocator -relocation-model - Choose relocation model =default - Target default relocation model =static - Non-relocatable code =pic - Fully relocatable, position independent code =dynamic-no-pic - Relocatable external references, non-relocatable code -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-global-cold-threshold=<N> - Top-level functions that account for less than N% of all samples collected in the profile, will be marked as cold for the inliner to consider. -sample-profile-global-hot-threshold=<N> - Top-level functions that account for more than N% of all samples collected in the profile, will be marked as hot for the inliner to consider. -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. -save-temp-labels - Don't discard temporary labels -show-encoding - Show instruction encodings -show-inst - Show internal instruction representation -show-inst-operands - Show instructions operands as parsed -stackmap-version=<int> - Specify the stackmap encoding version (default = 1) -stats - Enable statistics output from program (available with Asserts) -summary-file=<string> - The summary file to use for function importing. -time-passes - Time each pass, printing elapsed time for each on exit -triple=<string> - Target triple to assemble for, see -version for available targets -verify-debug-info - -verify-dom-info - Verify dominator info (time consuming) -verify-loop-info - Verify loop 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) -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