[#llvm-MCTargetOptions]
= xref:llvm.adoc[llvm]::MCTargetOptions
:relfileprefix: ../
:mrdocs:

Options that configure machine‐code emission and the integrated assembler.

== Synopsis

Declared in `<llvm/MC/MCTargetOptions.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class MCTargetOptions;
----

== Enums

[cols="1,4"]
|===
| Name| Description
| xref:llvm/MCTargetOptions/AsmInstrumentation.adoc[`AsmInstrumentation`] 
| Kind of instrumentation the assembler may inject.
| xref:llvm/MCTargetOptions/DwarfDirectory.adoc[`DwarfDirectory`] 
| Whether `.file` directives should include a directory operand.
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/MCTargetOptions/2constructor.adoc[`MCTargetOptions`]         [.small]#[constructor]#
| Construct with default MC target options.
| xref:llvm/MCTargetOptions/getABIName.adoc[`getABIName`] 
| Return the textual ABI name requested for the backend.
| xref:llvm/MCTargetOptions/getAssemblyLanguage.adoc[`getAssemblyLanguage`] 
| Return the assembly language dialect name for this target.
|===


== Data Members

[cols="1,4"]
|===
| Name| Description
| xref:llvm/MCTargetOptions/ABIName.adoc[`ABIName`] 
| Target ABI name requested for code generation.
| xref:llvm/MCTargetOptions/Argv0.adoc[`Argv0`] 
| Compiler path recorded in CodeView LF_BUILDINFO.
| xref:llvm/MCTargetOptions/AsSecureLogFile.adoc[`AsSecureLogFile`] 
| Path for the assembler's secure log file (`.secure_log_unique).`
| xref:llvm/MCTargetOptions/AsmVerbose.adoc[`AsmVerbose`] 
| Emit verbose assembly comments.
| xref:llvm/MCTargetOptions/AssemblyLanguage.adoc[`AssemblyLanguage`] 
| Assembly language dialect name (for example, masm).
| xref:llvm/MCTargetOptions/CommandlineArgs.adoc[`CommandlineArgs`] 
| Command‐line arguments recorded in CodeView LF_BUILDINFO.
| xref:llvm/MCTargetOptions/CompressDebugSections.adoc[`CompressDebugSections`] 
| Whether to compress DWARF debug sections.
| xref:llvm/MCTargetOptions/Crel.adoc[`Crel`] 
| Use the CREL relocation format for ELF.
| xref:llvm/MCTargetOptions/Dwarf64.adoc[`Dwarf64`] 
| Emit 64‐bit DWARF format.
| xref:llvm/MCTargetOptions/DwarfVersion.adoc[`DwarfVersion`] 
| DWARF version to emit, or 0 for the target default.
| xref:llvm/MCTargetOptions/EmitCompactUnwindNonCanonical.adoc[`EmitCompactUnwindNonCanonical`] 
| Emit compact‐unwind for non‐canonical personality functions on Darwin.
| xref:llvm/MCTargetOptions/EmitDwarfUnwind.adoc[`EmitDwarfUnwind`] 
| Policy for emitting DWARF unwind information.
| xref:llvm/MCTargetOptions/EmitSFrameUnwind.adoc[`EmitSFrameUnwind`] 
| Emit SFrame unwind sections.
| xref:llvm/MCTargetOptions/FDPIC.adoc[`FDPIC`] 
| Use the ARM FDPIC (Function Descriptor PIC) ABI when assembling.
| xref:llvm/MCTargetOptions/IASSearchPaths.adoc[`IASSearchPaths`] 
| Additional paths to search for `.include` directives when using the integrated assembler.
| xref:llvm/MCTargetOptions/ImplicitMapSyms.adoc[`ImplicitMapSyms`] 
| Emit implicit mapping symbols for ARM/AArch64 ELF.
| xref:llvm/MCTargetOptions/InstPrinterOptions.adoc[`InstPrinterOptions`] 
| Extra options forwarded to the instruction printer.
| xref:llvm/MCTargetOptions/LargeEHEncoding.adoc[`LargeEHEncoding`] 
| Force 8‐byte (sdata8) pointer encodings for ELF exception‐handling.
| xref:llvm/MCTargetOptions/MCFatalWarnings.adoc[`MCFatalWarnings`] 
| Treat assembler warnings as errors.
| xref:llvm/MCTargetOptions/MCIncrementalLinkerCompatible.adoc[`MCIncrementalLinkerCompatible`] 
| Prefer incremental‐linker‐compatible object emission.
| xref:llvm/MCTargetOptions/MCNoDeprecatedWarn.adoc[`MCNoDeprecatedWarn`] 
| Suppress deprecated‐feature assembler warnings.
| xref:llvm/MCTargetOptions/MCNoExecStack.adoc[`MCNoExecStack`] 
| Do not emit an executable stack note.
| xref:llvm/MCTargetOptions/MCNoTypeCheck.adoc[`MCNoTypeCheck`] 
| Disable assembler type checking.
| xref:llvm/MCTargetOptions/MCNoWarn.adoc[`MCNoWarn`] 
| Suppress all assembler warnings.
| xref:llvm/MCTargetOptions/MCRelaxAll.adoc[`MCRelaxAll`] 
| Relax all fixups to the maximum size.
| xref:llvm/MCTargetOptions/MCSaveTempLabels.adoc[`MCSaveTempLabels`] 
| Keep temporary labels in the output.
| xref:llvm/MCTargetOptions/MCUseDwarfDirectory.adoc[`MCUseDwarfDirectory`] 
| Whether `.file` directives should include a directory operand.
| xref:llvm/MCTargetOptions/OutputAsmVariant.adoc[`OutputAsmVariant`] 
| Optional assembly syntax variant index for the printer.
| xref:llvm/MCTargetOptions/PPCUseFullRegisterNames.adoc[`PPCUseFullRegisterNames`] 
| Use full register names when printing PowerPC assembly.
| xref:llvm/MCTargetOptions/PreserveAsmComments.adoc[`PreserveAsmComments`] 
| Preserve Comments in Assembly.
| xref:llvm/MCTargetOptions/RelocSectionSym.adoc[`RelocSectionSym`] 
| For ELF relocations, controls section symbol conversion.
| xref:llvm/MCTargetOptions/ShowMCEncoding.adoc[`ShowMCEncoding`] 
| Show instruction encoding in assembly output.
| xref:llvm/MCTargetOptions/ShowMCInst.adoc[`ShowMCInst`] 
| Show internal MCInst dumping in assembly output.
| xref:llvm/MCTargetOptions/SplitDwarfFile.adoc[`SplitDwarfFile`] 
| Output path for split DWARF (.dwo) content.
| xref:llvm/MCTargetOptions/X86RelaxRelocations.adoc[`X86RelaxRelocations`] 
| Prefer relaxed GOTPCRELX relocations on x86‐64 ELF.
| xref:llvm/MCTargetOptions/X86Sse2Avx.adoc[`X86Sse2Avx`] 
| Encode SSE instructions as their AVX equivalents when printing.
|===


== Non-Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/mc/InitMCTargetOptionsFromFlags.adoc[`mc::InitMCTargetOptionsFromFlags`]
| Initialize an MCTargetOptions object from the registered MC flags.
|===


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