static/panes/llvm-opt-pipeline.ts - compiler-explorer - Rivoreo Source Code Repositories

 // Copyright (c) 2022, Compiler Explorer Authors
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
 //
 //     * Redistributions of source code must retain the above copyright notice,
 //       this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above copyright
 //       notice, this list of conditions and the following disclaimer in the
 //       documentation and/or other materials provided with the distribution.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 // POSSIBILITY OF SUCH DAMAGE.

 import $ from 'jquery';
 import _ from 'underscore';
 import * as monaco from 'monaco-editor';
 import {Container} from 'golden-layout';
 import TomSelect from 'tom-select';
 import scrollIntoView from 'scroll-into-view-if-needed';

 import {MonacoPane} from './pane';
 import {LLVMOptPipelineViewState} from './llvm-opt-pipeline.interfaces';
 import {MonacoPaneState} from './pane.interfaces';

 import {ga} from '../analytics';
 import {extendConfig} from '../monaco-config';
 import {Hub} from '../hub';
 import * as utils from '../utils';
 import {Toggles} from '../widgets/toggles';

 import {
     LLVMOptPipelineBackendOptions,
     LLVMOptPipelineOutput,
     LLVMOptPipelineResults,
 } from '../../types/compilation/llvm-opt-pipeline-output.interfaces';

 const MIN_SIDEBAR_WIDTH = 100;

 export class LLVMOptPipeline extends MonacoPane<monaco.editor.IStandaloneDiffEditor, LLVMOptPipelineViewState> {
     results: LLVMOptPipelineResults = {};
     passesColumn: JQuery;
     passesList: JQuery;
     passesColumnResizer: JQuery;
     body: JQuery;
     clickCallback: (e: JQuery.ClickEvent) => void;
     keydownCallback: (e: JQuery.KeyDownEvent) => void;
     isPassListSelected = false;
     functionSelector: TomSelect;
     originalModel: any;
     modifiedModel: any;
     options: Toggles;
     filters: Toggles;
     state: LLVMOptPipelineViewState;
     lastOptions: LLVMOptPipelineBackendOptions = {
         filterDebugInfo: true,
         fullModule: false,
         noDiscardValueNames: true,
         demangle: true,
         libraryFunctions: true,
     };
     resizeStartX: number;
     resizeStartWidth: number;
     resizeDragMoveBind: (e: MouseEvent) => void;
     resizeDragEndBind: (e: MouseEvent) => void;
     firstResults = true;

     constructor(hub: Hub, container: Container, state: LLVMOptPipelineViewState & MonacoPaneState) {
         super(hub, container, state);
         this.passesColumn = this.domRoot.find('.passes-column');
         this.passesList = this.domRoot.find('.passes-list');
         this.body = this.domRoot.find('.llvm-opt-pipeline-body');
         if (state.sidebarWidth === 0) {
             _.defer(() => {
                 state.sidebarWidth = parseInt(
                     (document.defaultView as Window).getComputedStyle(this.passesColumn.get()[0]).width,
                     10
                 );
                 state.sidebarWidth = Math.max(state.sidebarWidth, MIN_SIDEBAR_WIDTH);
                 this.resize();
                 this.updateState();
             });
         } else {
             state.sidebarWidth = Math.max(state.sidebarWidth, MIN_SIDEBAR_WIDTH);
             this.passesColumn.get()[0].style.width = state.sidebarWidth + 'px';
         }
         this.state = state;
         const selector = this.domRoot.get()[0].getElementsByClassName('function-selector')[0];
         if (!(selector instanceof HTMLSelectElement)) {
             throw new Error('.function-selector is not an HTMLSelectElement');
         }
         this.functionSelector = new TomSelect(selector, {
             valueField: 'value',
             labelField: 'title',
             searchField: ['title'],
             dropdownParent: 'body',
             plugins: ['input_autogrow'],
             sortField: 'title',
             onChange: e => this.selectFunction(e as any as string),
         });
         this.clickCallback = this.onClickCallback.bind(this);
         this.keydownCallback = this.onKeydownCallback.bind(this);
         $(document).on('click', this.clickCallback);
         $(document).on('keydown', this.keydownCallback);
         this.eventHub.emit('llvmOptPipelineViewOpened', this.compilerInfo.compilerId);
         this.eventHub.emit('requestSettings');
         this.emitOptions(true);
     }

     override getInitialHTML(): string {
         return $('#llvm-opt-pipeline').html();
     }

     override createEditor(editorRoot: HTMLElement): monaco.editor.IStandaloneDiffEditor {
         const editor = monaco.editor.createDiffEditor(
             editorRoot,
             extendConfig({
                 language: 'llvm-ir',
                 readOnly: true,
                 glyphMargin: true,
                 lineNumbersMinChars: 3,
             })
         );
         this.originalModel = monaco.editor.createModel('', 'llvm-ir');
         this.modifiedModel = monaco.editor.createModel('', 'llvm-ir');
         editor.setModel({original: this.originalModel, modified: this.modifiedModel});
         return editor;
     }

     override registerOpeningAnalyticsEvent(): void {
         ga.proxy('send', {
             hitType: 'event',
             eventCategory: 'OpenViewPane',
             eventAction: 'LLVMOptPipelineView',
         });
     }

     override getDefaultPaneName(): string {
         return 'LLVM Opt Pipeline Viewer';
     }

     override registerButtons(state: LLVMOptPipelineViewState) {
         super.registerButtons(state);
         this.options = new Toggles(this.domRoot.find('.options'), state as unknown as Record<string, boolean>);
         this.options.on('change', this.onOptionsChange.bind(this));
         this.filters = new Toggles(this.domRoot.find('.filters'), state as unknown as Record<string, boolean>);
         this.filters.on('change', this.onOptionsChange.bind(this));

         this.passesColumnResizer = this.domRoot.find('.passes-column-resizer');
         this.passesColumnResizer.get()[0].addEventListener('mousedown', this.initResizeDrag.bind(this), false);
     }

     initResizeDrag(e: MouseEvent) {
         // taken from SO
         this.resizeStartX = e.clientX;
         // (this.passesColumn.width() as number)
         // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
         this.resizeStartWidth = parseInt(document.defaultView!.getComputedStyle(this.passesColumn.get()[0]).width, 10);
         this.resizeDragMoveBind = this.resizeDragMove.bind(this);
         this.resizeDragEndBind = this.resizeDragEnd.bind(this);
         document.documentElement.addEventListener('mousemove', this.resizeDragMoveBind, false);
         document.documentElement.addEventListener('mouseup', this.resizeDragEndBind, false);
     }

     resizeDragMove(e: MouseEvent) {
         let width = this.resizeStartWidth + e.clientX - this.resizeStartX;
         if (width < MIN_SIDEBAR_WIDTH) {
             width = MIN_SIDEBAR_WIDTH;
         }
         this.passesColumn.get()[0].style.width = width + 'px';
         this.state.sidebarWidth = width;
         this.resize();
     }

     resizeDragEnd(e: MouseEvent) {
         document.documentElement.removeEventListener('mousemove', this.resizeDragMoveBind, false);
         document.documentElement.removeEventListener('mouseup', this.resizeDragEndBind, false);
     }

     emitOptions(force = false) {
         const options = this.options.get();
         const filters = this.filters.get();
         // TODO: Make use of filter-inconsequential-passes on the back end? Maybe provide a specific function arg to
         // the backend? Would be a data transfer optimization.
         const newOptions: LLVMOptPipelineBackendOptions = {
             //'filter-inconsequential-passes': options['filter-inconsequential-passes'],
             filterDebugInfo: filters['filter-debug-info'],
             fullModule: options['dump-full-module'],
             noDiscardValueNames: options['-fno-discard-value-names'],
             demangle: options['demangle-symbols'],
             libraryFunctions: options['library-functions'],
         };
         let changed = false;
         for (const k in newOptions) {
             if (newOptions[k] !== this.lastOptions[k]) {
                 changed = true;
             }
         }
         this.lastOptions = newOptions;
         if (changed || force) {
             this.eventHub.emit('llvmOptPipelineViewOptionsUpdated', this.compilerInfo.compilerId, newOptions, true);
         }
     }

     onOptionsChange() {
         // Redo pass sidebar
         this.selectFunction(this.state.selectedFunction);
         // Inform compiler of the options
         this.emitOptions();
     }

     override onCompileResult(compilerId: number, compiler: any, result: any): void {
         if (this.compilerInfo.compilerId !== compilerId) return;
         if (result.hasLLVMOptPipelineOutput) {
             const output: LLVMOptPipelineOutput = result.llvmOptPipelineOutput;
             if (output.error) {
                 this.editor
                     .getModel()
                     ?.original.setValue(
                         `<An error occurred while generating the optimization pipeline output: ${output.error}>`
                     );
                 this.editor.getModel()?.modified.setValue('');
             }
             this.updateResults(output.results);
         } else if (compiler.supportsLLVMOptPipelineView) {
             this.updateResults({});
             this.editor.getModel()?.original.setValue('<Error>');
             this.editor.getModel()?.modified.setValue('');
         }
     }

     override onCompiler(compilerId: number, compiler: any, options: unknown, editorId: number, treeId: number): void {
         if (this.compilerInfo.compilerId !== compilerId) return;
         this.compilerInfo.compilerName = compiler ? compiler.name : '';
         this.compilerInfo.editorId = editorId;
         this.compilerInfo.treeId = treeId;
         this.updateTitle();
         if (compiler && !compiler.supportsLLVMOptPipelineView) {
             //this.editor.setValue('<LLVM IR output is not supported for this compiler>');
         }
     }

     updateResults(results: LLVMOptPipelineResults): void {
         this.results = results;
         //const functions = Object.keys(result);
         let selectedFunction = this.state.selectedFunction; // one of the .clear calls below will end up resetting this
         this.functionSelector.clear();
         this.functionSelector.clearOptions();
         const keys = Object.keys(results);
         if (keys.length === 0) {
             this.functionSelector.addOption({
                 title: '<No functions available>',
                 value: '<No functions available>',
             });
         }
         for (const fn of keys) {
             this.functionSelector.addOption({
                 title: fn,
                 value: fn,
             });
         }
         this.passesList.empty();
         if (keys.length > 0) {
             if (selectedFunction === '' || !(selectedFunction in results)) {
                 selectedFunction = keys[0];
             }
             this.functionSelector.setValue(selectedFunction);
         } else {
             // restore this.selectedFunction, next time the compilation results aren't errors the selected function will
             // still be the same
             this.state.selectedFunction = selectedFunction;
         }
     }

     selectFunction(name: string) {
         this.state.selectedFunction = name;
         if (!(name in this.results)) {
             return;
         }
         const filterInconsequentialPasses = this.filters.get()['filter-inconsequential-passes'];
         const passes = this.results[name];
         this.passesList.empty();
         let isFirstMachinePass = true;
         for (const [i, pass] of passes.entries()) {
             if (filterInconsequentialPasses && !pass.irChanged) {
                 continue;
             }
             let className = pass.irChanged ? 'changed' : '';
             if (pass.machine && isFirstMachinePass) {
                 className += ' firstMachinePass';
                 isFirstMachinePass = false;
             }
             this.passesList.append(`<div data-i="${i}" class="pass ${className}">${_.escape(pass.name)}</div>`);
         }
         const passDivs = this.passesList.find('.pass');
         passDivs.on('click', e => {
             const target = e.target;
             this.passesList.find('.active').removeClass('active');
             $(target).addClass('active');
             this.displayPass(parseInt(target.getAttribute('data-i') as string));
         });
         // try to select a pass
         if (this.state.selectedIndex >= passes.length) {
             this.state.selectedIndex = 0;
         }
         const selectedPassDiv = this.passesList.find(`[data-i=${this.state.selectedIndex}]`);
         selectedPassDiv.addClass('active');
         // displayPass updates state
         this.displayPass(this.state.selectedIndex);
         // if loading from a url center the active pass
         if (this.firstResults) {
             this.firstResults = false;
             const activePass = this.passesList.find('.active').get(0);
             if (activePass) {
                 scrollIntoView(activePass, {
                     scrollMode: 'if-needed',
                     block: 'center',
                 });
             }
         }
     }

     displayPass(i: number) {
         if (this.state.selectedFunction in this.results && i < this.results[this.state.selectedFunction].length) {
             this.state.selectedIndex = i;
             const pass = this.results[this.state.selectedFunction][i];
             const before = pass.before.map(x => x.text).join('\n');
             const after = pass.after.map(x => x.text).join('\n');
             this.editor.getModel()?.original.setValue(before);
             this.editor.getModel()?.modified.setValue(after);
             this.updateState();
         }
     }

     onClickCallback(e: JQuery.ClickEvent) {
         this.isPassListSelected = (this.passesList.get(0) as HTMLElement).contains(e.target);
     }

     onKeydownCallback(e: JQuery.KeyDownEvent) {
         if (this.isPassListSelected) {
             if (e.key === 'ArrowUp') {
                 e.preventDefault();
                 const active = this.passesList.find('.active');
                 const prev = active.prev().get(0);
                 if (prev) {
                     active.removeClass('active');
                     $(prev).addClass('active');
                     scrollIntoView(prev, {
                         scrollMode: 'if-needed',
                         block: 'nearest',
                     });
                     this.displayPass(parseInt(prev.getAttribute('data-i') as string));
                 }
             }
             if (e.key === 'ArrowDown') {
                 e.preventDefault();
                 const active = this.passesList.find('.active');
                 const next = active.next().get(0);
                 if (next) {
                     active.removeClass('active');
                     $(next).addClass('active');
                     scrollIntoView(next, {
                         scrollMode: 'if-needed',
                         block: 'nearest',
                     });
                     this.displayPass(parseInt(next.getAttribute('data-i') as string));
                 }
             }
         }
     }

     override getCurrentState() {
         return {
             ...this.options.get(),
             ...this.filters.get(),
             ...super.getCurrentState(),
             selectedFunction: this.state.selectedFunction,
             selectedIndex: this.state.selectedIndex,
             sidebarWidth: this.state.sidebarWidth,
         };
     }

     override resize() {
         _.defer(() => {
             const topBarHeight = utils.updateAndCalcTopBarHeight(this.domRoot, this.topBar, this.hideable);
             const otherWidth = (this.passesColumn.width() as number) + (this.passesColumnResizer.width() as number);
             const domWidth = this.domRoot.width() as number;
             if (otherWidth > domWidth) {
                 this.passesColumn.get()[0].style.width = domWidth + 'px';
             }
             this.editor.layout({
                 width: domWidth - otherWidth,
                 height: (this.domRoot.height() as number) - topBarHeight,
             });
             (this.body.get(0) as HTMLElement).style.height = (this.domRoot.height() as number) - topBarHeight + 'px';
         });
     }

     override close(): void {
         $(document).off('click', this.clickCallback);
         $(document).off('keydown', this.keydownCallback);
         this.eventHub.unsubscribe();
         this.eventHub.emit('llvmOptPipelineViewClosed', this.compilerInfo.compilerId);
         this.editor.dispose();
     }
 }
	// Copyright (c) 2022, Compiler Explorer Authors
	// All rights reserved.
	//
	// Redistribution and use in source and binary forms, with or without
	// modification, are permitted provided that the following conditions are met:
	//
	// * Redistributions of source code must retain the above copyright notice,
	// this list of conditions and the following disclaimer.
	// * Redistributions in binary form must reproduce the above copyright
	// notice, this list of conditions and the following disclaimer in the
	// documentation and/or other materials provided with the distribution.
	//
	// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
	// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	// POSSIBILITY OF SUCH DAMAGE.

	import $ from 'jquery';
	import _ from 'underscore';
	import * as monaco from 'monaco-editor';
	import {Container} from 'golden-layout';
	import TomSelect from 'tom-select';
	import scrollIntoView from 'scroll-into-view-if-needed';

	import {MonacoPane} from './pane';
	import {LLVMOptPipelineViewState} from './llvm-opt-pipeline.interfaces';
	import {MonacoPaneState} from './pane.interfaces';

	import {ga} from '../analytics';
	import {extendConfig} from '../monaco-config';
	import {Hub} from '../hub';
	import * as utils from '../utils';
	import {Toggles} from '../widgets/toggles';

	import {
	LLVMOptPipelineBackendOptions,
	LLVMOptPipelineOutput,
	LLVMOptPipelineResults,
	} from '../../types/compilation/llvm-opt-pipeline-output.interfaces';

	const MIN_SIDEBAR_WIDTH = 100;

	export class LLVMOptPipeline extends MonacoPane<monaco.editor.IStandaloneDiffEditor, LLVMOptPipelineViewState> {
	results: LLVMOptPipelineResults = {};
	passesColumn: JQuery;
	passesList: JQuery;
	passesColumnResizer: JQuery;
	body: JQuery;
	clickCallback: (e: JQuery.ClickEvent) => void;
	keydownCallback: (e: JQuery.KeyDownEvent) => void;
	isPassListSelected = false;
	functionSelector: TomSelect;
	originalModel: any;
	modifiedModel: any;
	options: Toggles;
	filters: Toggles;
	state: LLVMOptPipelineViewState;
	lastOptions: LLVMOptPipelineBackendOptions = {
	filterDebugInfo: true,
	fullModule: false,
	noDiscardValueNames: true,
	demangle: true,
	libraryFunctions: true,
	};
	resizeStartX: number;
	resizeStartWidth: number;
	resizeDragMoveBind: (e: MouseEvent) => void;
	resizeDragEndBind: (e: MouseEvent) => void;
	firstResults = true;

	constructor(hub: Hub, container: Container, state: LLVMOptPipelineViewState & MonacoPaneState) {
	super(hub, container, state);
	this.passesColumn = this.domRoot.find('.passes-column');
	this.passesList = this.domRoot.find('.passes-list');
	this.body = this.domRoot.find('.llvm-opt-pipeline-body');
	if (state.sidebarWidth === 0) {
	_.defer(() => {
	state.sidebarWidth = parseInt(
	(document.defaultView as Window).getComputedStyle(this.passesColumn.get()[0]).width,
	10
	);
	state.sidebarWidth = Math.max(state.sidebarWidth, MIN_SIDEBAR_WIDTH);
	this.resize();
	this.updateState();
	});
	} else {
	state.sidebarWidth = Math.max(state.sidebarWidth, MIN_SIDEBAR_WIDTH);
	this.passesColumn.get()[0].style.width = state.sidebarWidth + 'px';
	}
	this.state = state;
	const selector = this.domRoot.get()[0].getElementsByClassName('function-selector')[0];
	if (!(selector instanceof HTMLSelectElement)) {
	throw new Error('.function-selector is not an HTMLSelectElement');
	}
	this.functionSelector = new TomSelect(selector, {
	valueField: 'value',
	labelField: 'title',
	searchField: ['title'],
	dropdownParent: 'body',
	plugins: ['input_autogrow'],
	sortField: 'title',
	onChange: e => this.selectFunction(e as any as string),
	});
	this.clickCallback = this.onClickCallback.bind(this);
	this.keydownCallback = this.onKeydownCallback.bind(this);
	$(document).on('click', this.clickCallback);
	$(document).on('keydown', this.keydownCallback);
	this.eventHub.emit('llvmOptPipelineViewOpened', this.compilerInfo.compilerId);
	this.eventHub.emit('requestSettings');
	this.emitOptions(true);
	}

	override getInitialHTML(): string {
	return $('#llvm-opt-pipeline').html();
	}

	override createEditor(editorRoot: HTMLElement): monaco.editor.IStandaloneDiffEditor {
	const editor = monaco.editor.createDiffEditor(
	editorRoot,
	extendConfig({
	language: 'llvm-ir',
	readOnly: true,
	glyphMargin: true,
	lineNumbersMinChars: 3,
	})
	);
	this.originalModel = monaco.editor.createModel('', 'llvm-ir');
	this.modifiedModel = monaco.editor.createModel('', 'llvm-ir');
	editor.setModel({original: this.originalModel, modified: this.modifiedModel});
	return editor;
	}

	override registerOpeningAnalyticsEvent(): void {
	ga.proxy('send', {
	hitType: 'event',
	eventCategory: 'OpenViewPane',
	eventAction: 'LLVMOptPipelineView',
	});
	}

	override getDefaultPaneName(): string {
	return 'LLVM Opt Pipeline Viewer';
	}

	override registerButtons(state: LLVMOptPipelineViewState) {
	super.registerButtons(state);
	this.options = new Toggles(this.domRoot.find('.options'), state as unknown as Record<string, boolean>);
	this.options.on('change', this.onOptionsChange.bind(this));
	this.filters = new Toggles(this.domRoot.find('.filters'), state as unknown as Record<string, boolean>);
	this.filters.on('change', this.onOptionsChange.bind(this));

	this.passesColumnResizer = this.domRoot.find('.passes-column-resizer');
	this.passesColumnResizer.get()[0].addEventListener('mousedown', this.initResizeDrag.bind(this), false);
	}

	initResizeDrag(e: MouseEvent) {
	// taken from SO
	this.resizeStartX = e.clientX;
	// (this.passesColumn.width() as number)
	// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
	this.resizeStartWidth = parseInt(document.defaultView!.getComputedStyle(this.passesColumn.get()[0]).width, 10);
	this.resizeDragMoveBind = this.resizeDragMove.bind(this);
	this.resizeDragEndBind = this.resizeDragEnd.bind(this);
	document.documentElement.addEventListener('mousemove', this.resizeDragMoveBind, false);
	document.documentElement.addEventListener('mouseup', this.resizeDragEndBind, false);
	}

	resizeDragMove(e: MouseEvent) {
	let width = this.resizeStartWidth + e.clientX - this.resizeStartX;
	if (width < MIN_SIDEBAR_WIDTH) {
	width = MIN_SIDEBAR_WIDTH;
	}
	this.passesColumn.get()[0].style.width = width + 'px';
	this.state.sidebarWidth = width;
	this.resize();
	}

	resizeDragEnd(e: MouseEvent) {
	document.documentElement.removeEventListener('mousemove', this.resizeDragMoveBind, false);
	document.documentElement.removeEventListener('mouseup', this.resizeDragEndBind, false);
	}

	emitOptions(force = false) {
	const options = this.options.get();
	const filters = this.filters.get();
	// TODO: Make use of filter-inconsequential-passes on the back end? Maybe provide a specific function arg to
	// the backend? Would be a data transfer optimization.
	const newOptions: LLVMOptPipelineBackendOptions = {
	//'filter-inconsequential-passes': options['filter-inconsequential-passes'],
	filterDebugInfo: filters['filter-debug-info'],
	fullModule: options['dump-full-module'],
	noDiscardValueNames: options['-fno-discard-value-names'],
	demangle: options['demangle-symbols'],
	libraryFunctions: options['library-functions'],
	};
	let changed = false;
	for (const k in newOptions) {
	if (newOptions[k] !== this.lastOptions[k]) {
	changed = true;
	}
	}
	this.lastOptions = newOptions;
	if (changed \|\| force) {
	this.eventHub.emit('llvmOptPipelineViewOptionsUpdated', this.compilerInfo.compilerId, newOptions, true);
	}
	}

	onOptionsChange() {
	// Redo pass sidebar
	this.selectFunction(this.state.selectedFunction);
	// Inform compiler of the options
	this.emitOptions();
	}

	override onCompileResult(compilerId: number, compiler: any, result: any): void {
	if (this.compilerInfo.compilerId !== compilerId) return;
	if (result.hasLLVMOptPipelineOutput) {
	const output: LLVMOptPipelineOutput = result.llvmOptPipelineOutput;
	if (output.error) {
	this.editor
	.getModel()
	?.original.setValue(
	`<An error occurred while generating the optimization pipeline output: ${output.error}>`
	);
	this.editor.getModel()?.modified.setValue('');
	}
	this.updateResults(output.results);
	} else if (compiler.supportsLLVMOptPipelineView) {
	this.updateResults({});
	this.editor.getModel()?.original.setValue('<Error>');
	this.editor.getModel()?.modified.setValue('');
	}
	}

	override onCompiler(compilerId: number, compiler: any, options: unknown, editorId: number, treeId: number): void {
	if (this.compilerInfo.compilerId !== compilerId) return;
	this.compilerInfo.compilerName = compiler ? compiler.name : '';
	this.compilerInfo.editorId = editorId;
	this.compilerInfo.treeId = treeId;
	this.updateTitle();
	if (compiler && !compiler.supportsLLVMOptPipelineView) {
	//this.editor.setValue('<LLVM IR output is not supported for this compiler>');
	}
	}

	updateResults(results: LLVMOptPipelineResults): void {
	this.results = results;
	//const functions = Object.keys(result);
	let selectedFunction = this.state.selectedFunction; // one of the .clear calls below will end up resetting this
	this.functionSelector.clear();
	this.functionSelector.clearOptions();
	const keys = Object.keys(results);
	if (keys.length === 0) {
	this.functionSelector.addOption({
	title: '<No functions available>',
	value: '<No functions available>',
	});
	}
	for (const fn of keys) {
	this.functionSelector.addOption({
	title: fn,
	value: fn,
	});
	}
	this.passesList.empty();
	if (keys.length > 0) {
	if (selectedFunction === '' \|\| !(selectedFunction in results)) {
	selectedFunction = keys[0];
	}
	this.functionSelector.setValue(selectedFunction);
	} else {
	// restore this.selectedFunction, next time the compilation results aren't errors the selected function will
	// still be the same
	this.state.selectedFunction = selectedFunction;
	}
	}

	selectFunction(name: string) {
	this.state.selectedFunction = name;
	if (!(name in this.results)) {
	return;
	}
	const filterInconsequentialPasses = this.filters.get()['filter-inconsequential-passes'];
	const passes = this.results[name];
	this.passesList.empty();
	let isFirstMachinePass = true;
	for (const [i, pass] of passes.entries()) {
	if (filterInconsequentialPasses && !pass.irChanged) {
	continue;
	}
	let className = pass.irChanged ? 'changed' : '';
	if (pass.machine && isFirstMachinePass) {
	className += ' firstMachinePass';
	isFirstMachinePass = false;
	}
	this.passesList.append(`<div data-i="${i}" class="pass ${className}">${_.escape(pass.name)}</div>`);
	}
	const passDivs = this.passesList.find('.pass');
	passDivs.on('click', e => {
	const target = e.target;
	this.passesList.find('.active').removeClass('active');
	$(target).addClass('active');
	this.displayPass(parseInt(target.getAttribute('data-i') as string));
	});
	// try to select a pass
	if (this.state.selectedIndex >= passes.length) {
	this.state.selectedIndex = 0;
	}
	const selectedPassDiv = this.passesList.find(`[data-i=${this.state.selectedIndex}]`);
	selectedPassDiv.addClass('active');
	// displayPass updates state
	this.displayPass(this.state.selectedIndex);
	// if loading from a url center the active pass
	if (this.firstResults) {
	this.firstResults = false;
	const activePass = this.passesList.find('.active').get(0);
	if (activePass) {
	scrollIntoView(activePass, {
	scrollMode: 'if-needed',
	block: 'center',
	});
	}
	}
	}

	displayPass(i: number) {
	if (this.state.selectedFunction in this.results && i < this.results[this.state.selectedFunction].length) {
	this.state.selectedIndex = i;
	const pass = this.results[this.state.selectedFunction][i];
	const before = pass.before.map(x => x.text).join('\n');
	const after = pass.after.map(x => x.text).join('\n');
	this.editor.getModel()?.original.setValue(before);
	this.editor.getModel()?.modified.setValue(after);
	this.updateState();
	}
	}

	onClickCallback(e: JQuery.ClickEvent) {
	this.isPassListSelected = (this.passesList.get(0) as HTMLElement).contains(e.target);
	}

	onKeydownCallback(e: JQuery.KeyDownEvent) {
	if (this.isPassListSelected) {
	if (e.key === 'ArrowUp') {
	e.preventDefault();
	const active = this.passesList.find('.active');
	const prev = active.prev().get(0);
	if (prev) {
	active.removeClass('active');
	$(prev).addClass('active');
	scrollIntoView(prev, {
	scrollMode: 'if-needed',
	block: 'nearest',
	});
	this.displayPass(parseInt(prev.getAttribute('data-i') as string));
	}
	}
	if (e.key === 'ArrowDown') {
	e.preventDefault();
	const active = this.passesList.find('.active');
	const next = active.next().get(0);
	if (next) {
	active.removeClass('active');
	$(next).addClass('active');
	scrollIntoView(next, {
	scrollMode: 'if-needed',
	block: 'nearest',
	});
	this.displayPass(parseInt(next.getAttribute('data-i') as string));
	}
	}
	}
	}

	override getCurrentState() {
	return {
	...this.options.get(),
	...this.filters.get(),
	...super.getCurrentState(),
	selectedFunction: this.state.selectedFunction,
	selectedIndex: this.state.selectedIndex,
	sidebarWidth: this.state.sidebarWidth,
	};
	}

	override resize() {
	_.defer(() => {
	const topBarHeight = utils.updateAndCalcTopBarHeight(this.domRoot, this.topBar, this.hideable);
	const otherWidth = (this.passesColumn.width() as number) + (this.passesColumnResizer.width() as number);
	const domWidth = this.domRoot.width() as number;
	if (otherWidth > domWidth) {
	this.passesColumn.get()[0].style.width = domWidth + 'px';
	}
	this.editor.layout({
	width: domWidth - otherWidth,
	height: (this.domRoot.height() as number) - topBarHeight,
	});
	(this.body.get(0) as HTMLElement).style.height = (this.domRoot.height() as number) - topBarHeight + 'px';
	});
	}

	override close(): void {
	$(document).off('click', this.clickCallback);
	$(document).off('keydown', this.keydownCallback);
	this.eventHub.unsubscribe();
	this.eventHub.emit('llvmOptPipelineViewClosed', this.compilerInfo.compilerId);
	this.editor.dispose();
	}
	}