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llvm-mc - manual page for llvm-mc 3.6


ERROR: ld.so: object 'libfakeroot-sysv.so' from LD_PRELOAD cannot be preloaded (cannot
open shared object file): ignored. OVERVIEW: llvm machine code playground

USAGE: llvm-mc [options] <input file>

-I=<directory> - Directory of include files

-aarch64-neon-syntax - Choose style of NEON code to emit from
AArch64 backend:

- 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

- 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

- Target default code model

=small - Small code model

- Kernel code model

- Medium code model

=large - Large code model

-color - use colored syntax highlighting

-compress-debug-sections - Compress DWARF debug sections

-cppfname=<function name> - Specify the name of the generated

-cppfor=<string> - Specify the name of the thing to

-cppgen - Choose what kind of output to generate

- Generate a complete program

- Generate a module definition

- Generate contents of a module

- Generate a function definition

- Generate all function definitions

- Generate an inline function

- Generate a variable definition

=type - Generate a type definition

-disable-spill-fusing - Disable fusing of spill code into

-dwarf-version=<int> - Dwarf version

-enable-load-pre -

-enable-misched - Enable the machine instruction
scheduling pass.

-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

-fdebug-compilation-dir=<string> - Specifies the debug info's compilation

-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

-g - Generate dwarf debugging info for
assembly source files

-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

-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

-mc-x86-disable-arith-relaxation - Disable relaxation of arithmetic
instruction for X86

-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

-mips16-constant-islands - MIPS: mips16 constant islands enable.

-mips16-hard-float - MIPS: mips16 hard float enable.

-mno-ldc1-sdc1 - Expand double precision loads and stores
to their single precision counterparts

-n - Don't assume assembly file starts in the
text section

-no-discriminators - Disable generation of discriminator

-no-exec-stack - File doesn't need an exec stack

-nvptx-sched4reg - NVPTX Specific: schedule for register

-o=<filename> - Output filename

-output-asm-variant=<uint> - Syntax variant to use for output

-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

-regalloc - Register allocator to use

- pick register allocator based on -O option

=basic - basic register allocator

=fast - fast register allocator

- greedy register allocator

=pbqp - PBQP register allocator

-relocation-model - Choose relocation model

- Target default relocation model

- Non-relocatable code

=pic - Fully relocatable, position independent code

- Relocatable external references, non-relocatable code

-rewrite-map-file=<filename> - Symbol Rewrite Map

-rng-seed=<seed> - Seed for the random number generator

-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)

-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)

-version - Display the version of this program

-x86-asm-syntax - Choose style of code to emit from X86

=att - Emit AT&T-style assembly

=intel - Emit Intel-style assembly

-x86-recip-refinement-steps=<int> - Specify the number of Newton-Raphson
iterations applied to the result of the hardware reciprocal estimate instruction.

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