[llvm] r373988 - [Attributor][NFC] Add debug output

[Johannes Doerfert via llvm-commits]

Author: jdoerfert
Date: Mon Oct  7 16:30:04 2019
New Revision: 373988

URL: http://llvm.org/viewvc/llvm-project?rev=373988&view=rev
Log:
[Attributor][NFC] Add debug output

Modified:
    llvm/trunk/lib/Transforms/IPO/Attributor.cpp

Modified: llvm/trunk/lib/Transforms/IPO/Attributor.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/Attributor.cpp?rev=373988&r1=373987&r2=373988&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/Attributor.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/Attributor.cpp Mon Oct  7 16:30:04 2019
@@ -3930,8 +3930,11 @@ bool Attributor::checkForAllCallSites(
   // hence the function has internal linkage.
   const IRPosition &IRP = QueryingAA.getIRPosition();
   const Function *AssociatedFunction = IRP.getAssociatedFunction();
-  if (!AssociatedFunction)
+  if (!AssociatedFunction) {
+    LLVM_DEBUG(dbgs() << "[Attributor] No function associated with " << IRP
+                      << "\n");
     return false;
+  }
 
   if (RequireAllCallSites && !AssociatedFunction->hasLocalLinkage()) {
     LLVM_DEBUG(