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-rw-r--r--contrib/llvm/lib/CodeGen/ScheduleDAGEmit.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/contrib/llvm/lib/CodeGen/ScheduleDAGEmit.cpp b/contrib/llvm/lib/CodeGen/ScheduleDAGEmit.cpp
index 6b7a8c64..f8b1bc7 100644
--- a/contrib/llvm/lib/CodeGen/ScheduleDAGEmit.cpp
+++ b/contrib/llvm/lib/CodeGen/ScheduleDAGEmit.cpp
@@ -45,6 +45,7 @@ void ScheduleDAG::EmitPhysRegCopy(SUnit *SU,
unsigned Reg = 0;
for (SUnit::const_succ_iterator II = SU->Succs.begin(),
EE = SU->Succs.end(); II != EE; ++II) {
+ if (II->isCtrl()) continue; // ignore chain preds
if (II->getReg()) {
Reg = II->getReg();
break;
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