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-rw-r--r--llvm/lib/CodeGen/PrologEpilogInserter.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
index 570a0cd0ba9..549f07ecd9c 100644
--- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp
+++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
@@ -761,6 +761,9 @@ void PEI::calculateFrameObjectOffsets(MachineFunction &Fn) {
} else if (MaxCSFrameIndex >= MinCSFrameIndex) {
// Be careful about underflow in comparisons agains MinCSFrameIndex.
for (unsigned i = MaxCSFrameIndex; i != MinCSFrameIndex - 1; --i) {
+ if (MFI.isDeadObjectIndex(i))
+ continue;
+
unsigned Align = MFI.getObjectAlignment(i);
// Adjust to alignment boundary
Offset = alignTo(Offset, Align, Skew);
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