1 files changed, 70 insertions, 0 deletions
diff --git a/lib/compilers/hlsl.ts b/lib/compilers/hlsl.ts
new file mode 100644
index 000000000..2925a0154
--- /dev/null
+++ b/lib/compilers/hlsl.ts
@@ -0,0 +1,70 @@
+// 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 {ParseFilters} from '../../types/features/filters.interfaces';
+import {BaseCompiler} from '../base-compiler';
+
+export class HLSLCompiler extends BaseCompiler {
+    static get key() {
+        return 'hlsl';
+    }
+
+    constructor(info: any, env: any) {
+        super(info, env);
+
+        this.compiler.supportsIntel = false;
+    }
+
+    /* eslint-disable no-unused-vars */
+    override optionsForFilter(filters: ParseFilters, outputFilename: string, userOptions?: string[]): string[] {
+        return [
+            '-Zi', // Embed debug information to get DXIL line associations
+            '-Qembed_debug', // Silences the warning associated with embedded debug information
+            `-Fc ${outputFilename}`, // Output object
+        ];
+    }
+    /* eslint-enable no-unused-vars */
+
+    override filterUserOptions(userOptions: any) {
+        // RGA supports a non-standard flag --asic [ASIC] which must be removed when compiling with DXC
+        const options = userOptions.slice(0);
+        // Scan for the RGA-specific argument --asic and strip it and its corresponding argument
+        // Assumes the argument exists at most once (compilation will fail if supplied more than
+        // once regardless)
+        for (let i = 0; i !== options.length; ++i) {
+            const option = options[i];
+            if (option === '--asic') {
+                options.splice(i, 2);
+                break;
+            }
+        }
+        return options;
+    }
+
+    override getIrOutputFilename(inputFilename: string) {
+        return this.getOutputFilename(path.dirname(inputFilename), this.outputFilebase).replace('.s', '.dxil');
+    }
+}