[llvm] c6144cb - [ValueTracking] Remove unnecessary `m_ElementWiseBitCast` from `isKnownNonZeroFromOperator`; NFC

[Noah Goldstein via llvm-commits]

Author: Noah Goldstein
Date: 2024-07-18T17:02:13+08:00
New Revision: c6144cb0de35013e19ddd4d9fbc86367bb1ba223

URL: https://github.com/llvm/llvm-project/commit/c6144cb0de35013e19ddd4d9fbc86367bb1ba223
DIFF: https://github.com/llvm/llvm-project/commit/c6144cb0de35013e19ddd4d9fbc86367bb1ba223.diff

LOG: [ValueTracking] Remove unnecessary `m_ElementWiseBitCast` from `isKnownNonZeroFromOperator`; NFC

Added: 
    

Modified: 
    llvm/lib/Analysis/ValueTracking.cpp

Removed: 
    


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diff  --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp
index 6e039ad2deadb..535a248a5f1a2 100644
--- a/llvm/lib/Analysis/ValueTracking.cpp
+++ b/llvm/lib/Analysis/ValueTracking.cpp
@@ -2784,11 +2784,8 @@ static bool isKnownNonZeroFromOperator(const Operator *I,
     //    This all implies the 2 i16 elements are non-zero.
     Type *FromTy = I->getOperand(0)->getType();
     if ((FromTy->isIntOrIntVectorTy() || FromTy->isPtrOrPtrVectorTy()) &&
-        (BitWidth % getBitWidth(FromTy->getScalarType(), Q.DL)) == 0) {
-      if (match(I, m_ElementWiseBitCast(m_Value())))
-        return isKnownNonZero(I->getOperand(0), DemandedElts, Q, Depth);
+        (BitWidth % getBitWidth(FromTy->getScalarType(), Q.DL)) == 0)
       return isKnownNonZero(I->getOperand(0), Q, Depth);
-    }
   } break;
   case Instruction::IntToPtr:
     // Note that we have to take special care to avoid looking through