Compiler Explorer

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HelloSave/LoadAdd new...CompilerExecution OnlyConformance ViewSource EditorVim CppInsights Quick-benchPopular argumentsDetailed Compiler FlagsOpen a new window to edit verbose compiler flagsOutput...Compile to binary objectLink to binaryExecute the codeIntel asm syntaxDemangle identifiersVerbose demanglingFilter...Unused labelsLibrary functionsDirectivesCommentsHorizontal whitespaceDebug intrinsicsLibrariesOverridesAdd new...Clone CompilerExecutor From ThisOpt RemarksStack UsagePreprocessorASTLLVM IRClangIROpt PipelineDeviceRust MIRRust HIRRust Macro ExpansionGHC CoreGHC STGGHC CmmGCC Tree/RTLGNAT Debug TreeGNAT Debug Expanded CodeControl Flow GraphAdd tool... Output (0/0)Compiler LicenseWrap linesLibrariesOverridesCompilationArgumentsStdinRuntime toolsCompiler outputWrap linesSelect all

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Wrap linesArgumentsStdinDownloadLeft: Right: Filter headersApply clang-formatWrap linesOptionsDemangle Symbols-fno-discard-value-namesFiltersHide Debug InfoHide Instruction MetadataFilter Attribute GroupsHide Comments Control Flow GraphOptionsOutput Flat ClangIRWrap linesFiltersShow missed opt-remarksShow passed opt-remarksShow analysis opt-remarksOptionsDump Full ModuleDemangle Symbols-fno-discard-value-namesFiltersHide Inconsequential PassesHide Debug InfoHide Instruction MetadataFunction: Passes:PassesTree PassRTL PassIPA PassOptionsRaw DumpSlim DumpAll OptionsGIMPLE Frontend SyntaxAddressesBasic BlocksLine NumbersPass DetailsPass StatsUnique IDsVirtual OperandsExportExport PNGExport SVG Reset View Zoom OutAdd compilerLibrariesProjectSaveAdd new...Source editorCompilerExecution onlyCMake

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Compiler Explorer Settings

×These settings control how Compiler Explorer acts for you. They are not preserved as part of shared URLs, and are persisted locally using browser local storage.

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Site themeColourise lines to show how the source maps to the outputMake all colour schemes available regardless of themeLine highlighting colour schemeDefault languageKeep page status per tabAllow my source code to be temporarily stored for diagnostic purposes in the event of an errorUse last selected language when opening new EditorsShow community eventsVim editor modeCtrl+S behaviourMakeCtrl+S include and save the file to a Tree if that's added to the UIPop up a dialog box whenCtrl+S is set to create a short link.Desired Font Family in editorsDefault font scaleEnable font ligaturesAutomatically insert matching brackets and parenthesesAutomatically insert matching quotesAutomatically surround selected text when typing brackets or quotesAutomatically indent code (reload page after changing)Highlight linked code lines on hoverHighlight linked code indefinitelyShow asm description on hoverShow quick suggestionsUse custom context menuShow editor minimapKeep editor source on language changeUse spaces for indentationTab widthFormat based onEnable Word WrappingEnable CodeLens features (requires refresh to take effect)Colourise matching bracket pairsCompile automatically when source changesUse automatic delay before compilingDelay before compiling: 0.25s3sEnable formatting on compilation (for supported languages)Compile executor automatically when arguments changeShake the status icon on argument warningsClose

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Libraries

×SearchTo add a library, search for one you want and select the version in the dropdown. Or if you have favorited it before, just click the library name in the Favorites section. Libraries are installed using the conan.io package manager. Please note that Windows-based compilers currently do not support libraries. See this Github issue.

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Compiler overrides

×To override a compiler's defaults, you can change the following options. Note that this might lead to errors and unsupported situations. These also only apply to compilation, not for executing your code. Compiler environment variablesOne environment variable per line, KEY=VALUE, that will be set during compilation.

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Runtime tools

×To apply runtime tooling or settings when executing your code. Runtime environment variablesOne environment variable per line, KEY=VALUE.

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Timing

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