Fix PR2609. If a label is deleted, then it needs

to be marked invalid regardless of whether it is
a debug, an exception handling or (hopefully) a
GC label.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54172 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 4 deletions

diff --git a/lib/CodeGen/BranchFolding.cpp b/lib/CodeGen/BranchFolding.cpp
index f6b3d9cada..00d927a77a 100644
--- a/lib/CodeGen/BranchFolding.cpp
+++ b/lib/CodeGen/BranchFolding.cpp
@@ -114,15 +114,14 @@ void BranchFolder::RemoveDeadBlock(MachineBasicBlock *MBB) {
   while (!MBB->succ_empty())
     MBB->removeSuccessor(MBB->succ_end()-1);
   
-  // If there is DWARF info to active, check to see if there are any DBG_LABEL
-  // records in the basic block.  If so, unregister them from MachineModuleInfo.
+  // If there are any labels in the basic block, unregister them from
+  // MachineModuleInfo.
   if (MMI && !MBB->empty()) {
     for (MachineBasicBlock::iterator I = MBB->begin(), E = MBB->end();
          I != E; ++I) {
-      if ((unsigned)I->getOpcode() == TargetInstrInfo::DBG_LABEL) {
+      if (I->isLabel())
         // The label ID # is always operand #0, an immediate.
         MMI->InvalidateLabel(I->getOperand(0).getImm());
-      }
     }
   }