Last commit accidentially deleted this code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65679 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp
index 0103e20..461d839 100644
--- a/lib/CodeGen/VirtRegMap.cpp
+++ b/lib/CodeGen/VirtRegMap.cpp
@@ -1637,6 +1637,10 @@
PotentialDeadStoreSlots.push_back(ReuseSlot);
}
+ // Assumes this is the last use. IsKill will be unset if reg is reused
+ // unless it's a two-address operand.
+ if (ti == -1)
+ MI.getOperand(i).setIsKill();
continue;
} // CanReuse