[llvm] 882c083 - [DAG] TargetLowering::SimplifySetCC - use APInt::getMinSignedBits() helper. NFC.

Simon Pilgrim via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 4 05:48:55 PST 2022


Author: Simon Pilgrim
Date: 2022-01-04T13:48:36Z
New Revision: 882c083889e6d56231e0efc59080376b2c96698a

URL: https://github.com/llvm/llvm-project/commit/882c083889e6d56231e0efc59080376b2c96698a
DIFF: https://github.com/llvm/llvm-project/commit/882c083889e6d56231e0efc59080376b2c96698a.diff

LOG: [DAG] TargetLowering::SimplifySetCC - use APInt::getMinSignedBits() helper. NFC.

Added: 
    

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

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 2781c760d297c..9cca6c8951968 100644
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -3678,9 +3678,7 @@ SDValue TargetLowering::SimplifySetCC(EVT VT, SDValue N0, SDValue N1,
       }
 
       // Figure out how many bits we need to preserve this constant.
-      unsigned ReqdBits = Signed ?
-        C1.getBitWidth() - C1.getNumSignBits() + 1 :
-        C1.getActiveBits();
+      unsigned ReqdBits = Signed ? C1.getMinSignedBits() : C1.getActiveBits();
 
       // Make sure we're not losing bits from the constant.
       if (MinBits > 0 &&


        


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