LLVM (http://llvm.org/): LLVM version 4.0.0 Optimized build. Default target: x86_64-pc-linux-gnu Host CPU: ivybridge

OVERVIEW: llvm .bc -> .bc modular optimizer and analysis printer USAGE: opt-4.0 [options] <input bitcode file> OPTIONS: General options: -O0 - Optimization level 0. Similar to clang -O0 -O1 - Optimization level 1. Similar to clang -O1 -O2 - Optimization level 2. Similar to clang -O2 -O3 - Optimization level 3. Similar to clang -O3 -Os - Like -O2 with extra optimizations for size. Similar to clang -Os -Oz - Like -Os but reduces code size further. Similar to clang -Oz -S - Write output as LLVM assembly -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 -analyze - Only perform analysis, no optimization -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 -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 Optimizations available: -x86-winehstate - Insert stores for EH state numbers -x86-fixup-bw-insts - X86 Byte/Word Instruction Fixup -x86-evex-to-vex-compress - Compressing EVEX instrs to VEX encoding when possible -winehprepare - Prepare Windows exceptions -wholeprogramdevirt - Whole program devirtualization -view-scops-only - Polly - View Scops of function (with no function bodies) -view-scops - Polly - View Scops of function -view-regions-only - View regions of function (with no function bodies) -view-regions - View regions of function -view-postdom-only - View postdominance tree of function (with no function bodies) -view-postdom - View postdominance tree of function -view-dom-only - View dominance tree of function (with no function bodies) -view-dom - View dominance tree of function -view-cfg-only - View CFG of function (with no function bodies) -view-cfg - View CFG of function -view-callgraph - View call graph -verify - Module Verifier -unreachableblockelim - Remove unreachable blocks from the CFG -tti - Target Transform Information -tsan - ThreadSanitizer: detects data races. -tbaa - Type-Based Alias Analysis -targetlibinfo - Target Library Information -tailcallelim - Tail Call Elimination -structurizecfg - Structurize the CFG -strip-nonlinetable-debuginfo - Strip all debug info except linetables -strip-nondebug - Strip all symbols, except dbg symbols, from a module -strip-gc-relocates - Strip gc.relocates inserted through RewriteStatepointsForGC -strip-debug-declare - Strip all llvm.dbg.declare intrinsics -strip-dead-prototypes - Strip Unused Function Prototypes -strip-dead-debug-info - Strip debug info for unused symbols -strip - Strip all symbols from a module -sroa - Scalar Replacement Of Aggregates -speculative-execution - Speculatively execute instructions -slsr - Straight line strength reduction -slp-vectorizer - SLP Vectorizer -slotindexes - Slot index numbering -sjljehprepare - Prepare SjLj exceptions -sink - Code sinking -simplifycfg - Simplify the CFG -si-wqm - SI Whole Quad Mode -si-shrink-instructions - SI Shrink Instructions -si-optimize-exec-masking - SI optimize exec mask operations -si-lower-control-flow - SI lower control flow -si-load-store-opt - SI Load / Store Optimizer -si-insert-waits - SI Insert Waits -si-insert-skips - SI insert s_cbranch_execz instructions -si-i1-copies - SI Lower i1 Copies -si-fold-operands - SI Fold Operands -si-fix-sgpr-copies - SI Fix SGPR copies -si-fix-cf-live-intervals - SI Fix CF Live Intervals -si-debugger-insert-nops - SI Debugger Insert Nops -si-annotate-control-flow - Annotate SI Control Flow -separate-const-offset-from-gep - Split GEPs to a variadic base and a constant offset for better CSE -scoped-noalias - Scoped NoAlias Alias Analysis -scev-aa - ScalarEvolution-based Alias Analysis -sccp - Sparse Conditional Constant Propagation -scalarizer - Scalarize vector operations -scalar-evolution - Scalar Evolution Analysis -sancov - SanitizerCoverage: TODO.ModulePass -sample-profile - Sample Profile loader -safe-stack - Safe Stack instrumentation pass -rpo-functionattrs - Deduce function attributes in RPO -rewrite-symbols - Rewrite Symbols -rewrite-statepoints-for-gc - Make relocations explicit at statepoints -regions - Detect single entry single exit regions -reg2mem - Demote all values to stack slots -reassociate - Reassociate expressions -prune-eh - Remove unused exception handling info -profile-summary-info - Profile summary info -print-module - Print module to stderr -print-memoryssa - Memory SSA Printer -print-memderefs - Memory Dereferenciblity of pointers in function -print-memdeps - Print MemDeps of function -print-function - Print function to stderr -print-externalfnconstants - Print external fn callsites passed constants -print-dom-info - Dominator Info Printer -print-cfg-sccs - Print SCCs of each function CFG -print-callgraph-sccs - Print SCCs of the Call Graph -print-callgraph - Print a call graph -print-bb - Print BB to stderr -print-alias-sets - Alias Set Printer -pre-isel-intrinsic-lowering - Pre-ISel Intrinsic Lowering -postdomtree - Post-Dominator Tree Construction -polyhedral-info - Polly - Interface to polyhedral analysis engine -polly-scops - Polly - Create polyhedral description of Scops -polly-prepare - Polly - Prepare code for polly -polly-opt-isl - Polly - Optimize schedule of SCoP -polly-import-jscop - Polly - Import Scops from JSON (Reads a .jscop file for each Scop) -polly-function-scops - Polly - Create polyhedral description of all Scops of a function -polly-function-dependences - Polly - Calculate dependences for all the SCoPs of a function -polly-flatten-schedule - Polly - Flatten schedule -polly-export-jscop - Polly - Export Scops as JSON (Writes a .jscop file for each Scop) -polly-detect - Polly - Detect static control parts (SCoPs) -polly-dependences - Polly - Calculate dependences -polly-delicm - Polly - DeLICM/DePRE -polly-dce - Polly - Remove dead iterations -polly-codegen - Polly - Create LLVM-IR from SCoPs -polly-cleanup - Polly - Cleanup after code generation -polly-canonicalize - Polly - Run canonicalization passes -polly-ast - Polly - Generate an AST from the SCoP (isl) -place-safepoints - Place Safepoints -place-backedge-safepoints-impl - Place Backedge Safepoints -pgo-instr-use - Read PGO instrumentation profile. -pgo-instr-gen - PGO instrumentation. -pgo-icall-prom - Use PGO instrumentation profile to promote indirect calls to direct calls. -partially-inline-libcalls - Partially inline calls to library functions -partial-inliner - Partial Inliner -pa-eval - Evaluate ProvenanceAnalysis on all pairs -opt-remark-emitter - Optimization Remark Emitter -objc-arc-expand - ObjC ARC expansion -objc-arc-contract - ObjC ARC contraction -objc-arc-apelim - ObjC ARC autorelease pool elimination -objc-arc-aa - ObjC-ARC-Based Alias Analysis -objc-arc - ObjC ARC optimization -nvvm-reflect - Replace occurrences of __nvvm_reflect() calls with 0/1 -nvvm-intr-range - Add !range metadata to NVVM intrinsics. -nvptx-lower-args - Lower arguments (NVPTX) -nvptx-lower-alloca - Lower Alloca -nvptx-lower-aggr-copies - Lower aggregate copies, and llvm.mem* intrinsics into loops -nvptx-infer-addrspace - Infer address spaces -nvptx-assign-valid-global-names - Assign valid PTX names to globals -newgvn - Global Value Numbering -nary-reassociate - Nary reassociation -name-anon-globals - Provide a name to nameless globals -msan - MemorySanitizer: detects uninitialized reads. -module-summary-analysis - Module Summary Analysis -module-debuginfo - Decodes module-level debug info -mldst-motion - MergedLoadStoreMotion -metarenamer - Assign new names to everything -mergereturn - Unify function exit nodes -mergefunc - Merge Functions -memoryssa - Memory SSA -memdep - Memory Dependence Analysis -memcpyopt - MemCpy Optimization -mem2reg - Promote Memory to Register -machinepostdomtree - MachinePostDominator Tree Construction -machinedomtree - MachineDominator Tree Construction -machine-trace-metrics - Machine Trace Metrics -machine-loops - Machine Natural Loop Construction -machine-branch-prob - Machine Branch Probability Analysis -lowertypetests - Lower type metadata -lowerswitch - Lower SwitchInst's to branches -lowerinvoke - Lower invoke and unwind, for unwindless code generators -loweratomic - Lower atomic intrinsics to non-atomic form -lower-guard-intrinsic - Lower the guard intrinsic to normal control flow -lower-expect - Lower 'expect' Intrinsics -loops - Natural Loop Information -loop-versioning-licm - Loop Versioning For LICM -loop-versioning - Loop Versioning -loop-vectorize - Loop Vectorization -loop-unswitch - Unswitch loops -loop-unroll - Unroll loops -loop-sink - Loop Sink -loop-simplifycfg - Simplify loop CFG -loop-simplify - Canonicalize natural loops -loop-rotate - Rotate Loops -loop-reroll - Reroll loops -loop-reduce - Loop Strength Reduction -loop-load-elim - Loop Load Elimination -loop-interchange - Interchanges loops for cache reuse -loop-instsimplify - Simplify instructions in loops -loop-idiom - Recognize loop idioms -loop-extract-single - Extract at most one loop into a new function -loop-extract - Extract loops into new functions -loop-distribute - Loop Distribution -loop-deletion - Delete dead loops -loop-data-prefetch - Loop Data Prefetch -loop-accesses - Loop Access Analysis -load-store-vectorizer - Vectorize load and store instructions -load-combine - Combine Adjacent Loads -liveintervals - Live Interval Analysis -lint - Statically lint-checks LLVM IR -licm - Loop Invariant Code Motion -libcalls-shrinkwrap - Conditionally eliminate dead library calls -lcssa-verification - LCSSA Verifier -lcssa - Loop-Closed SSA Form Pass -lazy-value-info - Lazy Value Information Analysis -lazy-branch-prob - Lazy Branch Probability Analysis -lazy-block-freq - Lazy Block Frequency Analysis -jump-threading - Jump Threading -iv-users - Induction Variable Users -irce - Inductive range check elimination -ipsccp - Interprocedural Sparse Conditional Constant Propagation -ipconstprop - Interprocedural constant propagation -intervals - Interval Partition Construction -internalize - Internalize Global Symbols -interleaved-access - Lower interleaved memory accesses to target specific intrinsics -instsimplify - Remove redundant instructions -instrprof - Frontend instrumentation-based coverage lowering. -instnamer - Assign names to anonymous instructions -instcount - Counts the various types of Instructions -instcombine - Combine redundant instructions -insert-gcov-profiling - Insert instrumentation for GCOV profiling -inline - Function Integration/Inlining -inferattrs - Infer set function attributes -indvars - Induction Variable Simplification -gvn-hoist - Early GVN Hoisting of Expressions -gvn - Global Value Numbering -guard-widening - Widen guards -globalsplit - Global splitter -globals-aa - Globals Alias Analysis -globalopt - Global Variable Optimizer -globaldce - Dead Global Elimination -global-merge - Merge global variables -generic-to-nvvm - Ensure that the global variables are in the global address space -functionattrs - Deduce function attributes -function-import - Summary Based Function Import -forceattrs - Force set function attributes -float2int - Float to int -flattencfg - Flatten the CFG -extract-blocks - Extract Basic Blocks From Module (for bugpoint use) -external-aa - External Alias Analysis -esan - EfficiencySanitizer: finds performance issues. -elim-avail-extern - Eliminate Available Externally Globals -early-cse-memssa - Early CSE w/ MemorySSA -early-cse - Early CSE -dwarfehprepare - Prepare DWARF exceptions -dse - Dead Store Elimination -dot-scops-only - Polly - Print Scops of function (with no function bodies) -dot-scops - Polly - Print Scops of function -dot-regions-only - Print regions of function to 'dot' file (with no function bodies) -dot-regions - Print regions of function to 'dot' file -dot-postdom-only - Print postdominance tree of function to 'dot' file (with no function bodies) -dot-postdom - Print postdominance tree of function to 'dot' file -dot-dom-only - Print dominance tree of function to 'dot' file (with no function bodies) -dot-dom - Print dominance tree of function to 'dot' file -dot-cfg-only - Print CFG of function to 'dot' file (with no function bodies) -dot-cfg - Print CFG of function to 'dot' file -dot-callgraph - Print call graph to 'dot' file -domtree - Dominator Tree Construction -domfrontier - Dominance Frontier Construction -divergence - Divergence Analysis -die - Dead Instruction Elimination -dfsan - DataFlowSanitizer: dynamic data flow analysis. -demanded-bits - Demanded bits analysis -delinearize - Delinearization -deadarghaX0r - Dead Argument Hacking (BUGPOINT USE ONLY; DO NOT USE) -deadargelim - Dead Argument Elimination -dce - Dead Code Elimination -da - Dependence Analysis -cross-dso-cfi - Cross-DSO CFI -cost-model - Cost Model Analysis -correlated-propagation - Value Propagation -coro-split - Split coroutine into a set of functions driving its state machine -coro-elide - Coroutine frame allocation elision and indirect calls replacement -coro-early - Lower early coroutine intrinsics -coro-cleanup - Lower all coroutine related intrinsics -constprop - Simple constant propagation -constmerge - Merge Duplicate Global Constants -consthoist - Constant Hoisting -codegenprepare - Optimize for code generation -cfl-steens-aa - Unification-Based CFL Alias Analysis -cfl-anders-aa - Inclusion-Based CFL Alias Analysis -cfinserter - Inserts calls to mcount-like functions -break-crit-edges - Break critical edges in CFG -branch-prob - Branch Probability Analysis -bounds-checking - Run-time bounds checking -bool-ret-to-int - Convert i1 constants to i32 if they are returned -block-freq - Block Frequency Analysis -bdce - Bit-Tracking Dead Code Elimination -bb-vectorize - Basic-Block Vectorization -basiccg - CallGraph Construction -basicaa - Basic Alias Analysis (stateless AA impl) -barrier - A No-Op Barrier Pass -atomic-expand - Expand Atomic instructions -assumption-cache-tracker - Assumption Cache Tracker -asan-module - AddressSanitizer: detects use-after-free and out-of-bounds bugs.ModulePass -asan - AddressSanitizer: detects use-after-free and out-of-bounds bugs. -arm-prera-ldst-opt - ARM pre- register allocation load / store optimization pass -arm-ldst-opt - ARM load / store optimization pass -argpromotion - Promote 'by reference' arguments to scalars -amdgpu-unify-metadata - Unify multiple OpenCL metadata due to linking -amdgpu-promote-alloca - AMDGPU promote alloca to vector or LDS -amdgpu-codegenprepare - AMDGPU IR optimizations -amdgpu-annotate-uniform - Add AMDGPU uniform metadata -amdgpu-annotate-kernel-features - Add AMDGPU function attributes -always-inline - Inliner for always_inline functions -alloca-hoisting - Hoisting alloca instructions in non-entry blocks to the entry block -alignment-from-assumptions - Alignment from assumptions -add-discriminators - Add DWARF path discriminators -adce - Aggressive Dead Code Elimination -aarch64-vectorbyelement-opt - AArch64 vector by element instruction optimization pass -aarch64-type-promotion - AArch64 Address Type Promotion -aarch64-stp-suppress - AArch64 Store Pair Suppression -aarch64-simd-scalar - AdvSIMD Scalar Operation Optimization -aarch64-promote-const - AArch64 Promote Constant Pass -aarch64-local-dynamic-tls-cleanup - AArch64 Local Dynamic TLS Access Clean-up -aarch64-ldst-opt - AArch64 load / store optimization pass -aarch64-fix-cortex-a53-835769-pass - AArch64 fix for A53 erratum 835769 -aarch64-expand-pseudo - AArch64 pseudo instruction expansion pass -aarch64-dead-defs - AArch64 Dead register definitions -aarch64-copyelim - AArch64 redundant copy elimination pass -aarch64-condopt - AArch64 CondOpt Pass -aarch64-collect-loh - AArch64 Collect Linker Optimization Hint (LOH) -aarch64-ccmp - AArch64 CCMP Pass -aarch64-a57-fp-load-balancing - AArch64 A57 FP Load-Balancing -aa-eval - Exhaustive Alias Analysis Precision Evaluator -aa - Function Alias Analysis Results -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 -codegen-opt-level=<uint> - Override optimization level for codegen hooks -color - use colored syntax highlighting (default=autodetect) -data-sections - Emit data into separate sections -debugger-tune - Tune debug info for a particular debugger =gdb - gdb =lldb - lldb =sce - SCE targets (e.g. PS4) -default-data-layout=<layout-string> - data layout string to use if not specified by module -denormal-fp-math - Select which denormal numbers the code is permitted to require =ieee - IEEE 754 denormal numbers =preserve-sign - the sign of a flushed-to-zero number is preserved in the sign of 0 =positive-zero - denormals are flushed to positive zero -disable-debug-info-type-map - Don't use a uniquing type map for debug info -disable-fp-elim - Disable frame pointer elimination optimization -disable-inlining - Do not run the inliner pass -disable-loop-unrolling - Disable loop unrolling in all relevant passes -disable-loop-vectorization - Disable the loop vectorization pass -disable-opt - Do not run any optimization passes -disable-simplify-libcalls - Disable simplify-libcalls -disable-slp-vectorization - Disable the slp vectorization pass -disable-spill-fusing - Disable fusing of spill code into instructions -disable-tail-calls - Never emit tail calls -dwarf-version=<int> - Dwarf version -emulated-tls - Use emulated TLS model -enable-fp-mad - Enable less precise MAD instructions to be generated -enable-implicit-null-checks - Fold null checks into faulting memory operations -enable-load-pre - -enable-name-compression - Enable name string compression -enable-no-infs-fp-math - Enable FP math optimizations that assume no +-Infs -enable-no-nans-fp-math - Enable FP math optimizations that assume no NaNs -enable-no-trapping-fp-math - Enable setting the FP exceptions build attribute not to use exceptions -enable-objc-arc-opts - enable/disable all ARC Optimizations -enable-scoped-noalias - -enable-tbaa - -enable-unsafe-fp-math - Enable optimizations that may decrease FP precision -exception-model - exception model =default - default exception handling model =dwarf - DWARF-like CFI based exception handling =sjlj - SjLj exception handling =arm - ARM EHABI exceptions =wineh - Windows exception model -exhaustive-register-search - Exhaustive Search for registers bypassing the depth and interference cutoffs of last chance recoloring -expensive-combines - Enable expensive instruction combines -f - Enable binary output on terminals -fatal-warnings - Treat warnings as errors -filetype - Choose a file type (not all types are supported by all targets): =asm - Emit an assembly ('.s') file =obj - Emit a native object ('.o') file =null - Emit nothing, for performance testing -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) -fp-contract - Enable aggressive formation of fused FP ops =fast - Fuse FP ops whenever profitable =on - Only fuse 'blessed' FP ops. =off - Only fuse FP ops when the result won't be affected. -function-sections - Emit functions into separate sections -funit-at-a-time - Enable IPO. This corresponds to gcc's -funit-at-a-time -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) -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 -load=<pluginfilename> - Load the specified plugin -lto-pass-remarks-output=<filename> - Output filename for pass remarks -march=<string> - Architecture to generate code for (see --version) -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) -meabi - Set EABI type (default depends on triple): =default - Triple default EABI version =4 - EABI version 4 =5 - EABI version 5 =gnu - EABI GNU -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 -module-hash - Emit module hash -module-summary - Emit module summary index -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-deprecated-warn - Suppress all deprecated warnings -no-discriminators - Disable generation of discriminator information. -no-warn - Suppress all warnings -nozero-initialized-in-bss - Don't place zero-initialized symbols into bss section -nvptx-sched4reg - NVPTX Specific: schedule for register pressue -o=<filename> - Override output filename -p - Print module after each transformation -pass-remarks-output=<filename> - YAML output filename for pass remarks -pie-copy-relocations - PIE Copy Relocations -polly-dce-precise-steps=<int> - The number of precise steps between two approximating iterations. (A value of -1 schedules another approximation stage before the actual dead code elimination. -print-after-all - Print IR after each pass -print-before-all - Print IR before each pass -print-breakpoints-for-testing - Print select breakpoints location for testing -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 -relax-elf-relocations - Emit GOTPCRELX/REX_GOTPCRELX instead of GOTPCREL on x86-64 ELF -relocation-model - Choose relocation model =static - Non-relocatable code =pic - Fully relocatable, position independent code =dynamic-no-pic - Relocatable external references, non-relocatable code =ropi - Code and read-only data relocatable, accessed PC-relative =rwpi - Read-write data relocatable, accessed relative to static base =ropi-rwpi - Combination of ropi and rwpi -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. -stack-alignment=<uint> - Override default stack alignment -stack-symbol-ordering - Order local stack symbols. -stackmap-version=<int> - Specify the stackmap encoding version (default = 2) -stackrealign - Force align the stack to the minimum alignment -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 -std-link-opts - Include the standard link time optimizations -strip-debug - Strip debugger symbol info from translation unit -summary-file=<string> - The summary file to use for function importing. -tailcallopt - Turn fastcc calls into tail calls by (potentially) changing ABI. -thinlto-bc - Write output as ThinLTO-ready bitcode -thread-model - Choose threading model =posix - POSIX thread model =single - Single thread model -threads=<int> - -time-passes - Time each pass, printing elapsed time for each on exit -unique-section-names - Give unique names to every section -use-ctors - Use .ctors instead of .init_array. -verify-debug-info - -verify-dom-info - Verify dominator info (time consuming) -verify-each - Verify after each transform -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 Polly Options: Configure the polly loop optimizer -polly - Enable the polly optimizer (only at -O3) -polly-2nd-level-tiling - Enable a 2nd level loop of loop tiling -polly-context=<isl parameter set> - Provide additional constraints on the context parameters -polly-on-isl-error-abort - Abort if an isl error is encountered -polly-only-func=<string> - Only run on functions that contain a certain string -polly-only-region=<identifier> - Only run on certain regions (The provided identifier must appear in the name of the region's entry block -polly-only-scop-detection - Only run scop detection, but no other optimizations -polly-optimized-scops - Polly - Dump polyhedral description of Scops optimized with the isl scheduling optimizer and the set of post-scheduling transformations is applied on the schedule tree -polly-parallel - Generate thread parallel code (isl codegen only) -polly-parallel-force - Force generation of thread parallel code ignoring any cost model -polly-pattern-matching-based-opts - Perform optimizations based on pattern matching -polly-process-unprofitable - Process scops that are unlikely to benefit from Polly optimizations. -polly-register-tiling - Enable register tiling -polly-report - Print information about the activities of Polly -polly-show - Highlight the code regions that will be optimized in a (CFG BBs and LLVM-IR instructions) -polly-show-only - Highlight the code regions that will be optimized in a (CFG only BBs) -polly-target - The hardware to target =cpu - generate CPU code -polly-tiling - Enable loop tiling -polly-vectorizer - Select the vectorization strategy =none - No Vectorization =polly - Polly internal vectorizer =stripmine - Strip-mine outer loops for the loop-vectorizer to trigger