llvm/tools/llvm-reduce/deltas/StripDebugInfo.cpp

   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.
  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().startswith("llvm.dbg.");
  22   });
  23   if (HasDebugInfo && !O.shouldKeep())
  24     StripDebugInfo(Program);
  25 }
  26
  27 void llvm::stripDebugInfoDeltaPass(TestRunner &Test) {
  28   runDeltaPass(Test, stripDebugInfoImpl, "Stripping Debug Info");
  29 }