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// Copyright (c) 2023, Compiler Explorer Authors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
import * as stream from 'stream';
import {describe, expect, it} from 'vitest';
import {YAMLParseError} from 'yaml';
import {LLVMOptTransformer} from '../lib/llvm-opt-transformer.js';
describe('LLVM opt transformer', () => {
it('should work', async () => {
const doc = `--- !Analysis
Pass: prologepilog
Name: StackSize
DebugLoc: { File: example.cpp, Line: 2, Column: 0 }
Function: _Z6squarei
Args:
- NumStackBytes: '8'
- String: ' stack bytes in function'
...
--- !Analysis
Pass: asm-printer
Name: InstructionCount
DebugLoc: { File: example.cpp, Line: 2, Column: 0 }
Function: _Z6squarei
Args:
- NumInstructions: '7'
- String: ' instructions in function'
...
`;
const readString = new stream.PassThrough();
readString.push(doc);
readString.end();
const optStream = readString.pipe(new LLVMOptTransformer());
const output: object[] = [];
for await (const opt of optStream) {
output.push(opt);
}
expect(output).toEqual([
{
Args: [
{
NumStackBytes: '8',
},
{
String: ' stack bytes in function',
},
],
DebugLoc: {
Column: 0,
File: 'example.cpp',
Line: 2,
},
Function: '_Z6squarei',
Name: 'StackSize',
Pass: 'prologepilog',
displayString: '8 stack bytes in function',
optType: 'Analysis',
},
{
Args: [
{
NumInstructions: '7',
},
{
String: ' instructions in function',
},
],
DebugLoc: {
Column: 0,
File: 'example.cpp',
Line: 2,
},
Function: '_Z6squarei',
Name: 'InstructionCount',
Pass: 'asm-printer',
displayString: '7 instructions in function',
optType: 'Analysis',
},
]);
});
it('should error with unparseable yaml data', async () => {
const doc = `--- !Analysis
broken: not a yaml doc
broken: duplicate key makes this invalid
...
`;
const readString = new stream.PassThrough();
readString.push(doc);
readString.end();
await expect(
(async () => {
const optStream = stream.pipeline(readString, new LLVMOptTransformer(), res => {
return res;
});
for await (const _ of optStream) {
// just consume
}
})(),
).rejects.toThrow(YAMLParseError);
});
});
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