minor code review comments

Author: alanzhao1

llvm/include/llvm/IR/ProfDataUtils.h

@@ -187,7 +187,7 @@ LLVM_ABI void setExplicitlyUnknownBranchWeights(Instruction &I,
 
 /// Like setExplicitlyUnknownBranchWeights(...), but only sets unknown branch
 /// weights in the new instruction if the parent function of the original
-/// instruction has function counts. This is to not confuse users by injecting
+/// instruction has an entry count. This is to not confuse users by injecting
 /// profile data into non-profiled functions.
 LLVM_ABI void setExplicitlyUnknownBranchWeightsIfProfiled(Instruction &I,
                                                           Function &F,

llvm/lib/Transforms/InstCombine/InstCombineInternal.h

@@ -476,9 +476,8 @@ class LLVM_LIBRARY_VISIBILITY InstCombinerImpl final
                                Instruction *MDFrom = nullptr) {
     SelectInst *SI =
         SelectInst::Create(C, S1, S2, NameStr, InsertBefore, MDFrom);
-    if (!MDFrom) {
+    if (!MDFrom)
       setExplicitlyUnknownBranchWeightsIfProfiled(*SI, F, DEBUG_TYPE);
-    }
     return SI;
   }