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-rw-r--r--llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp6
-rw-r--r--llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp4
2 files changed, 6 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
index 3be622f8c17..6db56d58354 100644
--- a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
@@ -704,8 +704,8 @@ ProcessSDDbgValues(SDNode *N, SelectionDAG *DAG, InstrEmitter &Emitter,
if (!N->getHasDebugValue())
return;
- // Opportunistically insert immediate dbg_value uses, i.e. those with source
- // order number right after the N.
+ // Opportunistically insert immediate dbg_value uses, i.e. those with the same
+ // source order number as N.
MachineBasicBlock *BB = Emitter.getBlock();
MachineBasicBlock::iterator InsertPos = Emitter.getInsertPos();
ArrayRef<SDDbgValue*> DVs = DAG->GetDbgValues(N);
@@ -713,7 +713,7 @@ ProcessSDDbgValues(SDNode *N, SelectionDAG *DAG, InstrEmitter &Emitter,
if (DVs[i]->isInvalidated())
continue;
unsigned DVOrder = DVs[i]->getOrder();
- if (!Order || DVOrder == ++Order) {
+ if (!Order || DVOrder == Order) {
MachineInstr *DbgMI = Emitter.EmitDbgValue(DVs[i], VRBaseMap);
if (DbgMI) {
Orders.push_back(std::make_pair(DVOrder, DbgMI));
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index c1eef4dced0..277db84fded 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -937,7 +937,9 @@ void SelectionDAGBuilder::visit(const Instruction &I) {
HandlePHINodesInSuccessorBlocks(I.getParent());
}
- ++SDNodeOrder;
+ // Increase the SDNodeOrder if dealing with a non-debug instruction.
+ if (!isa<DbgInfoIntrinsic>(I))
+ ++SDNodeOrder;
CurInst = &I;
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