Style fixes perr Matt

Co-authored-by: Matt Arsenault <[email protected]>

Author: krzysz00

llvm/lib/Target/AMDGPU/AMDGPUSubtarget.cpp

@@ -253,8 +253,8 @@ bool AMDGPUSubtarget::isMesaKernel(const Function &F) const {
 unsigned AMDGPUSubtarget::getMaxWorkitemID(const Function &Kernel,
                                            unsigned Dimension) const {
   std::optional<unsigned> ReqdSize = getReqdWorkGroupSize(Kernel, Dimension);
-  if (ReqdSize.has_value())
-    return ReqdSize.value() - 1;
+  if (ReqdSize)
+    return *ReqdSize - 1;
   return getFlatWorkGroupSizes(Kernel).second - 1;
 }
 
@@ -306,7 +306,7 @@ bool AMDGPUSubtarget::makeLIDRangeMetadata(Instruction *I) const {
 
       if (Dim <= 3) {
         std::optional<unsigned> ReqdSize = getReqdWorkGroupSize(*Kernel, Dim);
-        if (ReqdSize.has_value())
+        if (ReqdSize)
           MinSize = MaxSize = *ReqdSize;
       }
     }

llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp

@@ -1012,12 +1012,12 @@ bool GCNTTIImpl::isSourceOfDivergence(const Value *V) const {
       // Similarly, if the dimension has size 1, it is also uniform.
       const Function *F = Intrinsic->getFunction();
       std::optional<unsigned> ReqdXDimSize = ST->getReqdWorkGroupSize(*F, 0);
-      if (ReqdXDimSize.has_value() && isPowerOf2_32(*ReqdXDimSize) &&
+      if (ReqdXDimSize && isPowerOf2_32(*ReqdXDimSize) &&
           *ReqdXDimSize >= ST->getWavefrontSize())
         return false;
       std::optional<unsigned> ThisDimSize = ST->getReqdWorkGroupSize(
           *F, IID == Intrinsic::amdgcn_workitem_id_y ? 1 : 2);
-      return !(ThisDimSize.has_value() && *ThisDimSize == 1);
+      return !ThisDimSize || *ThisDimSize != 1;
     }
     default:
       return AMDGPU::isIntrinsicSourceOfDivergence(IID);