xref: /llvm-project/llvm/tools/llvm-reduce/deltas/ReduceModuleData.cpp (revision 23cc36e4765912a1bcdbbc3fb8b0976a06dea043)
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,ReducerWorkItem & WorkItem)17 static void clearModuleData(Oracle &O, ReducerWorkItem &WorkItem) {
18   Module &Program = WorkItem.getModule();
19 
20   if (!Program.getModuleIdentifier().empty() && !O.shouldKeep())
21     Program.setModuleIdentifier("");
22   if (!Program.getSourceFileName().empty() && !O.shouldKeep())
23     Program.setSourceFileName("");
24   // TODO: clear line by line rather than all at once
25   if (!Program.getModuleInlineAsm().empty() && !O.shouldKeep())
26     Program.setModuleInlineAsm("");
27 }
28 
reduceModuleDataDeltaPass(TestRunner & Test)29 void llvm::reduceModuleDataDeltaPass(TestRunner &Test) {
30   runDeltaPass(Test, clearModuleData, "Reducing Module Data");
31 }
32