Fix a bug in the code which re-inserts DBG_VALUE nodes after scheduling;
if a block is split (by a custom inserter), the insert point may be in a
different block than it was originally. This fixes 32-bit llvm-gcc
bootstrap builds, and I haven't been able to reproduce it otherwise.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108060 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
index 2673eba..06cf053 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
@@ -642,8 +642,10 @@
// Insert to start of the BB (after PHIs).
BB->insert(BBBegin, DbgMI);
else {
+ // Insert at the instruction, which may be in a different
+ // block, if the block was split by a custom inserter.
MachineBasicBlock::iterator Pos = MI;
- BB->insert(llvm::next(Pos), DbgMI);
+ MI->getParent()->insert(llvm::next(Pos), DbgMI);
}
}
}