NAME¶

llvm-dwarfdump - manual page for llvm-dwarfdump 4.0

DESCRIPTION¶

OVERVIEW: llvm dwarf dumper

USAGE: llvm-dwarfdump [options] <input object files or .dSYM bundles>

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)

-cvp-dont-process-adds -

-debug-dump - Dump of debug sections:

=all

- Dump all debug sections

=abbrev

- .debug_abbrev

=abbrev.dwo

- .debug_abbrev.dwo

=apple_names

- .apple_names

=apple_types

- .apple_types

=apple_namespaces

- .apple_namespaces

=apple_objc

- .apple_objc

=aranges

- .debug_aranges

=info

- .debug_info

=info.dwo

- .debug_info.dwo

=types

- .debug_types

=types.dwo

- .debug_types.dwo

=line

- .debug_line

=line.dwo

- .debug_line.dwo

=loc

- .debug_loc

=loc.dwo

- .debug_loc.dwo

=frames

- .debug_frame

=macro

- .debug_macinfo

=ranges

- .debug_ranges

=pubnames

- .debug_pubnames

=pubtypes

- .debug_pubtypes

=gnu_pubnames

- .debug_gnu_pubnames

=gnu_pubtypes

- .debug_gnu_pubtypes

=str

- .debug_str

=str.dwo

- .debug_str.dwo

=str_offsets.dwo

- .debug_str_offsets.dwo

=cu_index

- .debug_cu_index

=gdb_index

- .gdb_index

=tu_index

- .debug_tu_index

-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

-summarize-types - Abbreviate the description of type unit entries

-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

SEE ALSO¶

The full documentation for llvm-dwarfdump is maintained as a Texinfo manual. If the info and llvm-dwarfdump programs are properly installed at your site, the command

info llvm-dwarfdump

should give you access to the complete manual.