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-rw-r--r--llvm/lib/CodeGen/LiveIntervals.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/LiveIntervals.cpp b/llvm/lib/CodeGen/LiveIntervals.cpp
index f602658d176..64925b40bd3 100644
--- a/llvm/lib/CodeGen/LiveIntervals.cpp
+++ b/llvm/lib/CodeGen/LiveIntervals.cpp
@@ -191,7 +191,10 @@ void LiveIntervals::updateSpilledInterval(Interval& li)
if (mop.isRegister()) {
unsigned reg = mop.getReg();
if (rep(reg) == li.reg) {
- li.addRange(index, index + 2);
+ if (mop.isUse())
+ li.addRange(index, index+2);
+ else
+ li.addRange(index+1, index+2);
}
}
}
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