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-rw-r--r--llvm/lib/Target/PowerPC/PPCISelLowering.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index bea8792a039..cfe77f4e3e3 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -13984,6 +13984,9 @@ isMaskAndCmp0FoldingBeneficial(const Instruction &AndI) const {
const Value *Mask = AndI.getOperand(1);
// If the mask is suitable for andi. or andis. we should sink the and.
if (const ConstantInt *CI = dyn_cast<ConstantInt>(Mask)) {
+ // Can't handle constants wider than 64-bits.
+ if (CI->getBitWidth() > 64)
+ return false;
int64_t ConstVal = CI->getZExtValue();
return isUInt<16>(ConstVal) ||
(isUInt<16>(ConstVal >> 16) && !(ConstVal & 0xFFFF));
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