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

   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
  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   if (!Program.getDataLayoutStr().empty() && !O.shouldKeep())
  23     Program.setDataLayout("");
  24   if (!Program.getTargetTriple().empty() && !O.shouldKeep())
  25     Program.setTargetTriple("");
  26   // TODO: clear line by line rather than all at once
  27   if (!Program.getModuleInlineAsm().empty() && !O.shouldKeep())
  28     Program.setModuleInlineAsm("");
  29 }
  30
  31 void llvm::reduceModuleDataDeltaPass(TestRunner &Test) {
  32   outs() << "*** Reducing Module Data...\n";
  33   runDeltaPass(Test, clearModuleData);
  34 }