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// Copyright (c) 2018, 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 * as fs from 'fs/promises';
import Path from 'path';
import Semver from 'semver';
import _ from 'underscore';
import type {CompilationInfo} from '../../types/compilation/compilation.interfaces.js';
import type {PreliminaryCompilerInfo} from '../../types/compiler.interfaces.js';
import type {ParseFiltersAndOutputOptions} from '../../types/features/filters.interfaces.js';
import {unwrap} from '../assert.js';
import {BaseCompiler} from '../base-compiler.js';
import {SassAsmParser} from '../parsers/asm-parser-sass.js';
import {asSafeVer} from '../utils.js';
import {ClangParser} from './argument-parsers.js';
export class NvccCompiler extends BaseCompiler {
static get key() {
return 'nvcc';
}
deviceAsmParser: SassAsmParser;
constructor(info: PreliminaryCompilerInfo, env) {
super(info, env);
this.compiler.supportsOptOutput = true;
this.compiler.supportsDeviceAsmView = true;
this.deviceAsmParser = new SassAsmParser(this.compilerProps);
}
// TODO: (for all of CUDA)
// * lots of whitespace from nvcc
// * would be nice to try and filter unused `.func`s from e.g. clang output
override optionsForFilter(filters: ParseFiltersAndOutputOptions, outputFilename: string, userOptions?: string[]) {
const opts = ['-o', this.filename(outputFilename), '-g', '-lineinfo', '--keep-device-functions'];
if (!filters.execute) {
opts.push('-c', '-keep', '-keep-dir', Path.dirname(outputFilename));
if (!filters.binary) {
opts.push('-Xcompiler=-S');
}
}
return opts;
}
override getArgumentParser() {
return ClangParser;
}
override optOutputRequested(options: string[]) {
return (
super.optOutputRequested(options) ||
options.includes('--optimization-info') ||
options.includes('-opt-info')
);
}
async nvdisasm(outputFilename: string, result: any, maxOutput: number) {
const {nvdisasm, semver} = this.compiler;
const args = Semver.lt(asSafeVer(semver), '11.0.0', true)
? [outputFilename, '-c', '-g']
: [outputFilename, '-c', '-g', '-hex'];
const {code, execTime, stdout} = await this.exec(unwrap(nvdisasm), args, {
maxOutput,
customCwd: result.dirPath,
});
if (code === 0) {
result.objdumpTime = execTime;
result.asm = this.postProcessObjdumpOutput(stdout);
} else {
result.asm = `<No output: ${Path.basename(unwrap(nvdisasm))} returned ${code}>`;
}
return result;
}
override async postProcess(result, outputFilename: string, filters: ParseFiltersAndOutputOptions) {
const maxSize = this.env.ceProps('max-asm-size', 64 * 1024 * 1024);
const optPromise = result.hasOptOutput ? this.processOptOutput(result.optPath) : Promise.resolve('');
const postProcess = _.compact(this.compiler.postProcess);
const asmPromise = (
filters.binary
? this.objdump(outputFilename, {}, maxSize, filters.intel, filters.demangle, false, false, filters)
: (async () => {
if (result.asmSize === undefined) {
result.asm = '<No output file>';
return result;
}
if (result.asmSize >= maxSize) {
result.asm =
'<No output: generated assembly was too large' +
` (${result.asmSize} > ${maxSize} bytes)>`;
return result;
}
if (postProcess.length > 0) {
return await this.execPostProcess(result, postProcess, outputFilename, maxSize);
} else {
const contents = await fs.readFile(outputFilename, {encoding: 'utf8'});
result.asm = contents.toString();
return result;
}
})()
).then(asm => {
result.asm = typeof asm === 'string' ? asm : asm.asm;
return result;
});
return Promise.all([asmPromise, optPromise, '']);
}
override async extractDeviceCode(result, filters, compilationInfo: CompilationInfo) {
const {dirPath} = result;
const {demangle} = filters;
const devices = {...result.devices};
if (dirPath) {
const files = await fs.readdir(dirPath);
const maxSize = this.env.ceProps('max-asm-size', 64 * 1024 * 1024);
await Promise.all(
files
.filter(f => f.endsWith('.ptx') || f.endsWith('.cubin'))
.map(async name => {
const type = name.endsWith('.ptx') ? 'PTX' : 'SASS';
const {asm} =
type === 'PTX'
? {asm: await fs.readFile(Path.join(dirPath, name), 'utf8')}
: await this.nvdisasm(Path.join(dirPath, name), {dirPath}, maxSize);
const archAndCode = name.split('.').slice(1, -1).join(', ') || '';
const nameAndArch = type + (archAndCode ? ` (${archAndCode.toLowerCase()})` : '');
Object.assign(devices, {
[nameAndArch]: await this.postProcessAsm(
{
okToCache: demangle,
...this.deviceAsmParser.process(asm, {...filters, binary: type === 'SASS'}),
},
{...filters, binary: type === 'SASS'},
),
});
}),
);
result.devices = devices;
}
return result;
}
}
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