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-rw-r--r--llvm/lib/Target/ARM/ARMISelLowering.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
index c988e1693f8..47885467d1f 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -3063,7 +3063,8 @@ static SDValue promoteToConstantPool(const GlobalValue *GV, SelectionDAG &DAG,
unsigned RequiredPadding = 4 - (Size % 4);
bool PaddingPossible =
RequiredPadding == 4 || (CDAInit && CDAInit->isString());
- if (!PaddingPossible || Align > 4 || Size > ConstpoolPromotionMaxSize)
+ if (!PaddingPossible || Align > 4 || Size > ConstpoolPromotionMaxSize ||
+ Size == 0)
return SDValue();
unsigned PaddedSize = Size + ((RequiredPadding == 4) ? 0 : RequiredPadding);
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