xref: /llvm-project/llvm/tools/llvm-reduce/deltas/StripDebugInfo.cpp (revision 586ecdf205aa8b3d162da6f955170a6736656615)
1 //===- StripDebugInfo.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 #include "StripDebugInfo.h"
10 #include "Delta.h"
11 #include "llvm/IR/DebugInfo.h"
12 #include "llvm/IR/Metadata.h"
13 
14 using namespace llvm;
15 
16 /// Removes all aliases aren't inside any of the
17 /// desired Chunks.
stripDebugInfoImpl(Oracle & O,ReducerWorkItem & WorkItem)18 static void stripDebugInfoImpl(Oracle &O, ReducerWorkItem &WorkItem) {
19   Module &Program = WorkItem.getModule();
20   bool HasDebugInfo = any_of(Program.named_metadata(), [](NamedMDNode &NMD) {
21     return NMD.getName().starts_with("llvm.dbg.");
22   });
23   if (HasDebugInfo && !O.shouldKeep())
24     StripDebugInfo(Program);
25 }
26 
stripDebugInfoDeltaPass(TestRunner & Test)27 void llvm::stripDebugInfoDeltaPass(TestRunner &Test) {
28   runDeltaPass(Test, stripDebugInfoImpl, "Stripping Debug Info");
29 }
30