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PROGRAM:
NAME
llvm-mc - manual page for llvm-mc 3.5
DESCRIPTION
OVERVIEW: llvm machine code playground
USAGE: llvm-mc [options] <input file>
OPTIONS:
-I=<directory> - Directory of include files
-aarch64-neon-syntax - Choose style of NEON code to emit from
AArch64 backend:
=generic
- 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
=address
- 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
=default
- Target default code model
=small - Small code model
=kernel
- Kernel code model
=medium
- Medium code model
=large - Large code model
-compress-debug-sections - Compress DWARF debug sections
-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
-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-tbaa -
-exhaustive-register-search - Exhaustive Search for registers
bypassing the depth and interference cutoffs of last chance recoloring
-fatal-assembler-warnings - Consider warnings as error
-fdebug-compilation-dir=<string> - Specifies the debug info's compilation
dir
-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
bytes
-mips16-constant-islands - MIPS: mips16 constant islands enable.
-mips16-hard-float - MIPS: mips16 hard float enable.
-mlsm - Enable motion of merged load and store
-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
information.
-no-exec-stack - File doesn't need an exec stack
-nvptx-sched4reg - NVPTX Specific: schedule for register
pressue
-o=<filename> - Output filename
-output-asm-variant=<uint> - Syntax variant to use for output
printing
-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
=default
- pick register allocator based on -O option
=basic - basic register allocator
=fast - fast register allocator
=greedy
- greedy register allocator
=pbqp - PBQP register allocator
-relocation-model - Choose relocation model
=default
- Target default relocation model
=static
- Non-relocatable code
=pic - Fully relocatable, position independent code
=dynamic-no-pic
- Relocatable external references, non-relocatable code
-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
-spiller - Spiller to use: (default: standard)
=trivial
- trivial spiller
=inline
- inline spiller
-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
backend:
=att - Emit AT&T-style assembly
=intel - Emit Intel-style assembly
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