commit 54d6a608bf81952fa042b101c31f58e8bfa9b1fd
author Johannes Doerfert <johannes@jdoerfert.de> Mon Mar 16 20:18:07 2020 -0500
committer Johannes Doerfert <johannes@jdoerfert.de> Wed Apr 01 21:56:17 2020 -0500
tree 81451b4bc7d46d726ac1d9472bfd1b8be3b13376
parent 9e19693994dce2f3f897ee90aa25296bc0e786c0

[Attributor][NFC] Predetermine the module

It could happen that we delete the first function in the SCC in the
future so we should be careful accessing `Functions` after the manifest
stage.

llvm/lib/Transforms/IPO/Attributor.cpp

diff --git a/llvm/lib/Transforms/IPO/Attributor.cpp b/llvm/lib/Transforms/IPO/Attributor.cpp
index 50071a2..0de59b3 100644
--- a/llvm/lib/Transforms/IPO/Attributor.cpp
+++ b/llvm/lib/Transforms/IPO/Attributor.cpp
@@ -8794,9 +8794,10 @@
     A.identifyDefaultAbstractAttributes(*F);
   }
 
+  Module &M = *Functions.front()->getParent();
+  (void)M;
   ChangeStatus Changed = A.run();
-  assert(!verifyModule(*Functions.front()->getParent(), &errs()) &&
-         "Module verification failed!");
+  assert(!verifyModule(M, &errs()) && "Module verification failed!");
   LLVM_DEBUG(dbgs() << "[Attributor] Done with " << Functions.size()
                     << " functions, result: " << Changed << ".\n");
   return Changed == ChangeStatus::CHANGED;