LLVM-DWARFDUMP(1) User Commands LLVM-DWARFDUMP(1)NAME
llvm-dwarfdump - manual page for llvm-dwarfdump 3.9
DESCRIPTION
OVERVIEW: llvm dwarf dumper
USAGE: llvm-dwarfdump [subcommand] [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-fast-fdiv - Enable faster 2.5 ulp
fdiv
-bounds-checking-single-trap - Use one trap block
per function
-color - use colored syntax
highlighting (default=autodetect)
-debug-dump - Dump of debug sec‐
tions:
=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
=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.
-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
-join-liveintervals - Coalesce copies
(default=true)
-limit-float-precision=<uint> - Generate low-preci‐
sion inline sequences for some float libcalls
-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 regis‐
ters
-mips-compact-branches - MIPS Specific: Com‐
pact 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 con‐
stant 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 preci‐
sion 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 = 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 domi‐
nator info (time consuming)
-verify-regalloc - Verify during regis‐
ter allocation
-verify-region-info - Verify region info
(time consuming)
-verify-scev - Verify ScalarEvolu‐
tion'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
llvm-dwarfdump 3.9 December 2017 LLVM-DWARFDUMP(1)
