llvm-objdump (1)

Contents

NAME
DESCRIPTION
OPTIONS:
SEE ALSO

NAME

llvm-objdump - manual page for llvm-objdump 3.3

DESCRIPTION

OVERVIEW: llvm object file dumper

USAGE: llvm-objdump [options] <input object files>

OPTIONS:

-arch=<string> - Target arch to disassemble for, see -version for available targets
-asm-verbose - Add comments to directives.
-bounds-checking-single-trap - Use one trap block per function
-cfg - Create a CFG for every symbol in the object file and write it to a graphviz file (MachO-only)
-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
-disable-spill-fusing - Disable fusing of spill code into instructions
-disassemble - Display assembler mnemonics for the machine instructions
Choose driver interface:
-drvnvcl - Nvidia OpenCL driver
-drvcuda - Nvidia CUDA driver
-drvtest - Plain Test
-dsym=<string> - Use .dSYM file for debug info
-enable-correct-eh-support - Make the -lowerinvoke pass insert expensive, but correct, EH code
-enable-load-pre -
-enable-objc-arc-opts - enable/disable all ARC Optimizations
-enable-tbaa -
-fatal-assembler-warnings - Consider warnings as error
-fdata-sections - Emit data into separate sections
-ffunction-sections - Emit functions into separate sections
-g - Print line information from debug info if available
-help - Display available options (-help-hidden for more)
-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
-macho - Use MachO specific object file parser
-mattr=<a1,+a2,-a3,...> - Target specific attributes
-mc-x86-disable-arith-relaxation - Disable relaxation of arithmetic instruction for X86
-mips16-hard-float - MIPS: mips16 hard float enable.
-msp430-hwmult-mode - Hardware multiplier use mode
=no
- Do not use hardware multiplier
=interrupts
- Assume hardware multiplier can be used inside interrupts
=use
- Assume hardware multiplier cannot be used inside interrupts
-no-show-raw-insn - When disassembling instructions, do not print the instruction bytes.
-nvptx-emit-line-numbers - NVPTX Specific: Emit Line numbers even without -G
-nvptx-emit-src - NVPTX Specific: Emit source line in ptx file
-nvptx-fma-level=<int> - NVPTX Specific: FMA contraction (0: don't do it 1: do it
2: do it aggressively
-nvptx-mad-enable - NVPTX Specific: Enable generating FMAD instructions
-nvptx-prec-divf32=<int> - NVPTX Specifies: 0 use div.approx, 1 use div.full, 2 use IEEE Compliant F32 div.rnd if avaiable.
-nvptx-prec-sqrtf32 - NVPTX Specific: 0 use sqrt.approx, 1 use sqrt.rn.
-nvptx-sched4reg - NVPTX Specific: schedule for register pressue
-nvvm-reflect-enable - NVVM reflection, enabled by default
-nvvm-reflect-list=<name=<int>> - A list of string=num assignments
-pre-RA-sched - Instruction schedulers available (before register allocation):
=vliw-td
- VLIW scheduler
=list-ilp
- Bottom-up register pressure aware list scheduling which tries to balance ILP and register pressure
=list-hybrid
- Bottom-up register pressure aware list scheduling which tries to balance latency and register pressure
=source
- Similar to list-burr but schedules in source order when possible
=list-burr
- Bottom-up register reduction list scheduling
=linearize
- Linearize DAG, no scheduling
=fast
- Fast suboptimal list scheduling
=default
- Best scheduler for the target
-print-after-all - Print IR after each pass
-print-before-all - Print IR before each pass
-print-machineinstrs=<pass-name> - Print machine instrs
-private-headers - Display format specific file headers
-profile-estimator-loop-weight=<loop-weight> - Number of loop executions used for profile-estimator
-profile-file=<filename> - Profile file loaded by -profile-metadata-loader
-profile-info-file=<filename> - Profile file loaded by -profile-loader
-profile-verifier-noassert - Disable assertions
-r - Display the relocation entries in the file
-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
-s - Display the content of each section
-section-headers - Display summaries of the headers for each section.
-shrink-wrap - Shrink wrap callee-saved register spills/restores
-spiller - Spiller to use: (default: standard)
=trivial
- trivial spiller
=inline
- inline spiller
-stats - Enable statistics output from program (available with Asserts)
-struct-path-tbaa -
-t - Display the symbol table
-time-passes - Time each pass, printing elapsed time for each on exit
-triple=<string> - Target triple to disassemble for, see -version for available targets
-unwind-info - Display unwind information
-vectorize-loops - Run the Loop vectorization passes
-vectorize-slp - Run the SLP vectorization passes
-vectorize-slp-aggressive - Run the BB vectorization passes
-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)
-version - Display the version of this program
-x86-asm-syntax - Choose style of code to emit from X86 backend:
=att
- Emit AT&T-style assembly
=intel
- Emit Intel-style assembly
-x86-early-ifcvt - Enable early if-conversion on X86
-x86-use-vzeroupper - Minimize AVX to SSE transition penalty

SEE ALSO

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

should give you access to the complete manual.