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// 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 path from 'path';
import {LLVMIrBackendOptions} from '../../types/compilation/ir.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 {Win32Compiler} from './win32.js';
export class ClangCLCompiler extends Win32Compiler {
static override get key() {
return 'clang-cl';
}
constructor(info: PreliminaryCompilerInfo, env) {
super(info, env);
this.compiler.supportsIrView = true;
this.compiler.irArg = ['-Xclang', '-emit-llvm'];
this.compiler.minIrArgs = ['-emit-llvm'];
this.compiler.supportsIntel = false;
this.compiler.includeFlag = '/clang:-isystem';
}
override async generateIR(
inputFilename: string,
options: string[],
irOptions: LLVMIrBackendOptions,
produceCfg: boolean,
filters: ParseFiltersAndOutputOptions,
) {
// These options make Clang produce an IR
const newOptions = options
.filter(option => option !== '/FA' && !option.startsWith('/Fa'))
.concat(unwrap(this.compiler.irArg));
const execOptions = this.getDefaultExecOptions();
// A higher max output is needed for when the user includes headers
execOptions.maxOutput = 1024 * 1024 * 1024;
const output = await this.runCompiler(this.compiler.exe, newOptions, this.filename(inputFilename), execOptions);
if (output.code !== 0) {
return {
asm: [{text: 'Failed to run compiler to get IR code'}],
};
}
const ir = await this.processIrOutput(output, irOptions, filters);
return {
asm: ir.asm,
};
}
override getIrOutputFilename(inputFilename: string): string {
return this.filename(path.dirname(inputFilename) + '/output.s.obj');
}
override optionsForFilter(filters: ParseFiltersAndOutputOptions, outputFilename: string) {
const options = super.optionsForFilter(filters, outputFilename);
// Force the debugging info flag or we can't source locations.
return ['/Z7'].concat(options);
}
}
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