1 //===- ReduceModuleData.cpp -----------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file implements a reduce pass to reduce various module data.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "ReduceModuleData.h"
14 
15 using namespace llvm;
16 
clearModuleData(Oracle & O,Module & Program)17 static void clearModuleData(Oracle &O, Module &Program) {
18   if (!Program.getModuleIdentifier().empty() && !O.shouldKeep())
19     Program.setModuleIdentifier("");
20   if (!Program.getSourceFileName().empty() && !O.shouldKeep())
21     Program.setSourceFileName("");
22   // TODO: clear line by line rather than all at once
23   if (!Program.getModuleInlineAsm().empty() && !O.shouldKeep())
24     Program.setModuleInlineAsm("");
25 }
26 
reduceModuleDataDeltaPass(TestRunner & Test)27 void llvm::reduceModuleDataDeltaPass(TestRunner &Test) {
28   outs() << "*** Reducing Module Data...\n";
29   runDeltaPass(Test, clearModuleData);
30 }
31