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

   1 //===- ReduceGlobalObjects.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 "ReduceGlobalObjects.h"
  10 #include "llvm/IR/GlobalObject.h"
  11
  12 using namespace llvm;
  13
  14 static bool shouldReduceSection(GlobalObject &GO) { return GO.hasSection(); }
  15
  16 static bool shouldReduceAlign(GlobalObject &GO) {
  17   return GO.getAlign().hasValue();
  18 }
  19
  20 static void reduceGOs(Oracle &O, Module &Program) {
  21   for (auto &GO : Program.global_objects()) {
  22     if (shouldReduceSection(GO) && !O.shouldKeep())
  23       GO.setSection("");
  24     if (shouldReduceAlign(GO) && !O.shouldKeep())
  25       GO.setAlignment(MaybeAlign());
  26   }
  27 }
  28
  29 void llvm::reduceGlobalObjectsDeltaPass(TestRunner &Test) {
  30   outs() << "*** Reducing GlobalObjects...\n";
  31   runDeltaPass(Test, reduceGOs);
  32 }