[PATCH] D158866: [StatepointLowering] Fix possible nullptr access in debug output

[Danila Malyutin via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGe036ba50a764: [StatepointLowering] Fix possible nullptr access in debug output (authored by danilaml).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D158866/new/

https://reviews.llvm.org/D158866

Files:
  llvm/lib/CodeGen/SelectionDAG/StatepointLowering.cpp


Index: llvm/lib/CodeGen/SelectionDAG/StatepointLowering.cpp
===================================================================
--- llvm/lib/CodeGen/SelectionDAG/StatepointLowering.cpp
+++ llvm/lib/CodeGen/SelectionDAG/StatepointLowering.cpp
@@ -715,7 +715,8 @@
   assert((GFI || SI.Bases.empty()) &&
          "No gc specified, so cannot relocate pointers!");
 
-  LLVM_DEBUG(dbgs() << "Lowering statepoint " << *SI.StatepointInstr << "\n");
+  LLVM_DEBUG(if (SI.StatepointInstr) dbgs()
+             << "Lowering statepoint " << *SI.StatepointInstr << "\n");
 #ifndef NDEBUG
   for (const auto *Reloc : SI.GCRelocates)
     if (Reloc->getParent() == SI.StatepointInstr->getParent())
@@ -1156,6 +1157,7 @@
 
   // NB! The GC arguments are deliberately left empty.
 
+  LLVM_DEBUG(dbgs() << "Lowering call with deopt bundle " << *Call << "\n");
   if (SDValue ReturnVal = LowerAsSTATEPOINT(SI)) {
     ReturnVal = lowerRangeToAssertZExt(DAG, *Call, ReturnVal);
     setValue(Call, ReturnVal);


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