Fix coverity issues

Signed-off-by: Anatoly Myachev <[email protected]>

Author: anmyachev

lib/Analysis/AxisInfo.cpp

@@ -895,7 +895,7 @@ class ShLIOpAxisInfoVisitor final : public BinaryOpVisitorImpl<arith::ShLIOp> {
       lhsDivisibility = 1;
     }
     auto numBits = log2Int(lhsDivisibility);
-    return multiplyDivisor(lhsDivisibility, 1 << shift);
+    return multiplyDivisor(lhsDivisibility, static_cast<int64_t>(1) << shift);
   }
 
   int64_t getConstancy(arith::ShLIOp op, const AxisInfo &lhs,

lib/Conversion/TritonGPUToLLVM/ScanOpToLLVM.cpp

@@ -128,8 +128,8 @@ static void AddPartialReduce(SmallVector<SmallVector<Value>> &srcValues,
                              ConversionPatternRewriter &rewriter,
                              const TargetInfoBase &targetInfo,
                              ScanLoweringHelper &helper,
-                             SmallVector<Value> smemBases,
-                             SmallVector<Type> smemTypes, Value warpId,
+                             const SmallVector<Value> &smemBases,
+                             const SmallVector<Type> &smemTypes, Value warpId,
                              Value laneIdAxis, Value parallelLaneId) {
   Location loc = helper.getLoc();
   unsigned numParallelLane = helper.getNonAxisNumThreadsPerCTA();

third_party/intel/lib/Analysis/AxisInfo.cpp

@@ -900,7 +900,7 @@ class ShLIOpAxisInfoVisitor final : public BinaryOpVisitorImpl<arith::ShLIOp> {
       lhsDivisibility = 1;
     }
     auto numBits = log2Int(lhsDivisibility);
-    return multiplyDivisor(lhsDivisibility, 1 << shift);
+    return multiplyDivisor(lhsDivisibility, static_cast<int64_t>(1) << shift);
   }
 
   int64_t getConstancy(arith::ShLIOp op, const AxisInfo &lhs,

third_party/intel/lib/TritonIntelGPUToLLVM/ScanOpToLLVM.cpp

@@ -126,8 +126,8 @@ static void AddPartialReduce(SmallVector<SmallVector<Value>> &srcValues,
                              ConversionPatternRewriter &rewriter,
                              const TargetInfoBase &targetInfo,
                              ScanLoweringHelper &helper,
-                             SmallVector<Value> smemBases,
-                             SmallVector<Type> smemTypes, Value warpId,
+                             const SmallVector<Value> &smemBases,
+                             const SmallVector<Type> &smemTypes, Value warpId,
                              Value laneIdAxis, Value parallelLaneId) {
   Location loc = helper.getLoc();
   unsigned numParallelLane = helper.getNonAxisNumThreadsPerCTA();

third_party/intel/lib/TritonIntelGPUTransforms/Coalesce.cpp

@@ -40,7 +40,7 @@ struct CoalescePass
       llvm::dbgs() << "\n";
     });
 
-    auto contiguity = axisInfoAnalysis.getAxisInfo(ptr)->getContiguity();
+    const auto &contiguity = axisInfoAnalysis.getAxisInfo(ptr)->getContiguity();
     SmallVector<unsigned> order = argSort(contiguity);
     LDBG("order=[" << triton::join(order, ", ") << "]");