R3: Addressing review comments

Author: anchuraj

flang/include/flang/Optimizer/Dialect/Support/FIRContext.h

@@ -75,7 +75,7 @@ bool getAtomicRemoteMemory(mlir::ModuleOp mod);
 /// module `mod` is still live.
 void setTuneCPU(mlir::ModuleOp mod, llvm::StringRef cpu);
 
-// set Atomic control options for amd gpu.
+// set atomic control options for AMD gpu.
 void setAmdgpuAtomicControlOptions(mlir::ModuleOp mod,
                                    bool amdgpuIgnoreDenormalMode,
                                    bool amdgpuNoFineGrainedMemory,

mlir/include/mlir/Dialect/OpenMP/OpenMPAttrDefs.td

@@ -73,7 +73,8 @@ def FlagsAttr : OpenMP_Attr<"Flags", "flags"> {
 // AtomicControlAttr
 //===----------------------------------------------------------------------===//
 
-// Runtime library flags attribute that holds information for lowering to LLVM.
+// Atomic control attributes hold information about architectural
+// characteristics which are required for lowering atomic operations.
 def AtomicControlAttr : OpenMP_Attr<"AtomicControl", "atomic_control"> {
   let parameters =
       (ins DefaultValuedParameter<"bool", "false">:$amdgpu_ignore_denormal_mode,