[llvm] 3e414b9 - [FunctionLoweringInfo] Use KnownBits::intersectWith. NFC (#171893)

[via llvm-commits]

Author: Craig Topper
Date: 2025-12-11T13:21:02-08:00
New Revision: 3e414b940a70167af570567ddd3ecb1f2f240593

URL: https://github.com/llvm/llvm-project/commit/3e414b940a70167af570567ddd3ecb1f2f240593
DIFF: https://github.com/llvm/llvm-project/commit/3e414b940a70167af570567ddd3ecb1f2f240593.diff

LOG: [FunctionLoweringInfo] Use KnownBits::intersectWith. NFC (#171893)

Added: 
    

Modified: 
    llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp b/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
index 024441d7cfac2..f4edbc74a3cc4 100644
--- a/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
@@ -517,8 +517,7 @@ void FunctionLoweringInfo::ComputePHILiveOutRegInfo(const PHINode *PN) {
       else
         Val = CI->getValue().zext(BitWidth);
       DestLOI.NumSignBits = std::min(DestLOI.NumSignBits, Val.getNumSignBits());
-      DestLOI.Known.Zero &= ~Val;
-      DestLOI.Known.One &= Val;
+      DestLOI.Known = DestLOI.Known.intersectWith(KnownBits::makeConstant(Val));
       continue;
     }