[GVN] Consistently use division instead of shift. NFCI.

This is in line with other places of GVN (e.g. load coercion
logic).

llvm-svn: 284535

diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp
index c48dd51..d9bb63a 100644 (file)
--- a/llvm/lib/Transforms/Scalar/GVN.cpp
+++ b/llvm/lib/Transforms/Scalar/GVN.cpp
@@ -864,8 +864,8 @@ static int AnalyzeLoadFromClobberingWrite(Type *LoadTy, Value *LoadPtr,
 
   if ((WriteSizeInBits & 7) | (LoadSize & 7))
     return -1;
-  uint64_t StoreSize = WriteSizeInBits >> 3;  // Convert to bytes.
-  LoadSize >>= 3;
+  uint64_t StoreSize = WriteSizeInBits / 8;  // Convert to bytes.
+  LoadSize /= 8;
 
 
   bool isAAFailure = false;